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open-nomad
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open-nomad/scheduler/generic_sched_test.go

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package scheduler
import (
"fmt"
"reflect"
"sort"
"testing"
"time"
memdb "github.com/hashicorp/go-memdb"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/hashicorp/nomad/testutil"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestServiceSched_JobRegister(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval has no spawned blocked eval
if len(h.CreateEvals) != 0 {
t.Fatalf("bad: %#v", h.CreateEvals)
if h.Evals[0].BlockedEval != "" {
t.Fatalf("bad: %#v", h.Evals[0])
}
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
// Ensure different ports were used.
used := make(map[int]map[string]struct{})
for _, alloc := range out {
for _, port := range alloc.AllocatedResources.Shared.Ports {
nodeMap, ok := used[port.Value]
if !ok {
nodeMap = make(map[string]struct{})
used[port.Value] = nodeMap
}
if _, ok := nodeMap[alloc.NodeID]; ok {
t.Fatalf("Port collision on node %q %v", alloc.NodeID, port.Value)
}
nodeMap[alloc.NodeID] = struct{}{}
}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_MemoryMaxHonored(t *testing.T) {
cases := []struct {
name string
cpu int
memory int
memoryMax int
memoryOversubscriptionEnabled bool
expectedTaskMemoryMax int
// expectedTotalMemoryMax should be SUM(MAX(memory, memoryMax)) for all tasks
expectedTotalMemoryMax int
}{
{
name: "plain no max",
cpu: 100,
memory: 200,
memoryMax: 0,
memoryOversubscriptionEnabled: true,
expectedTaskMemoryMax: 0,
expectedTotalMemoryMax: 200,
},
{
name: "with max",
cpu: 100,
memory: 200,
memoryMax: 300,
memoryOversubscriptionEnabled: true,
expectedTaskMemoryMax: 300,
expectedTotalMemoryMax: 300,
},
{
name: "with max but disabled",
cpu: 100,
memory: 200,
memoryMax: 300,
memoryOversubscriptionEnabled: false,
expectedTaskMemoryMax: 0,
expectedTotalMemoryMax: 200, // same as no max
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
job := mock.Job()
job.TaskGroups[0].Count = 1
task := job.TaskGroups[0].Tasks[0].Name
res := job.TaskGroups[0].Tasks[0].Resources
res.CPU = c.cpu
res.MemoryMB = c.memory
res.MemoryMaxMB = c.memoryMax
h := NewHarness(t)
h.State.SchedulerSetConfig(h.NextIndex(), &structs.SchedulerConfiguration{
MemoryOversubscriptionEnabled: c.memoryOversubscriptionEnabled,
})
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
require.Len(t, h.Plans, 1)
out, err := h.State.AllocsByJob(nil, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
require.Len(t, out, 1)
alloc := out[0]
// checking new resources field deprecated Resources fields
require.Equal(t, int64(c.cpu), alloc.AllocatedResources.Tasks[task].Cpu.CpuShares)
require.Equal(t, int64(c.memory), alloc.AllocatedResources.Tasks[task].Memory.MemoryMB)
require.Equal(t, int64(c.expectedTaskMemoryMax), alloc.AllocatedResources.Tasks[task].Memory.MemoryMaxMB)
// checking old deprecated Resources fields
require.Equal(t, c.cpu, alloc.TaskResources[task].CPU)
require.Equal(t, c.memory, alloc.TaskResources[task].MemoryMB)
require.Equal(t, c.expectedTaskMemoryMax, alloc.TaskResources[task].MemoryMaxMB)
// check total resource fields - alloc.Resources deprecated field, no modern equivalent
require.Equal(t, c.cpu, alloc.Resources.CPU)
require.Equal(t, c.memory, alloc.Resources.MemoryMB)
require.Equal(t, c.expectedTotalMemoryMax, alloc.Resources.MemoryMaxMB)
})
}
}
func TestServiceSched_JobRegister_StickyAllocs(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job
job := mock.Job()
job.TaskGroups[0].EphemeralDisk.Sticky = true
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
if err := h.Process(NewServiceScheduler, eval); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure the plan allocated
plan := h.Plans[0]
planned := make(map[string]*structs.Allocation)
for _, allocList := range plan.NodeAllocation {
for _, alloc := range allocList {
planned[alloc.ID] = alloc
}
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Update the job to force a rolling upgrade
updated := job.Copy()
updated.TaskGroups[0].Tasks[0].Resources.CPU += 10
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), updated))
// Create a mock evaluation to handle the update
eval = &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
h1 := NewHarnessWithState(t, h.State)
if err := h1.Process(NewServiceScheduler, eval); err != nil {
t.Fatalf("err: %v", err)
}
// Ensure we have created only one new allocation
// Ensure a single plan
if len(h1.Plans) != 1 {
t.Fatalf("bad: %#v", h1.Plans)
}
plan = h1.Plans[0]
var newPlanned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
newPlanned = append(newPlanned, allocList...)
}
if len(newPlanned) != 10 {
t.Fatalf("bad plan: %#v", plan)
}
// Ensure that the new allocations were placed on the same node as the older
// ones
for _, new := range newPlanned {
if new.PreviousAllocation == "" {
t.Fatalf("new alloc %q doesn't have a previous allocation", new.ID)
}
old, ok := planned[new.PreviousAllocation]
if !ok {
t.Fatalf("new alloc %q previous allocation doesn't match any prior placed alloc (%q)", new.ID, new.PreviousAllocation)
}
if new.NodeID != old.NodeID {
t.Fatalf("new alloc and old alloc node doesn't match; got %q; want %q", new.NodeID, old.NodeID)
}
}
}
func TestServiceSched_JobRegister_DiskConstraints(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job with count 2 and disk as 60GB so that only one allocation
// can fit
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].EphemeralDisk.SizeMB = 88 * 1024
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval has a blocked eval
if len(h.CreateEvals) != 1 {
t.Fatalf("bad: %#v", h.CreateEvals)
}
if h.CreateEvals[0].TriggeredBy != structs.EvalTriggerQueuedAllocs {
t.Fatalf("bad: %#v", h.CreateEvals[0])
}
// Ensure the plan allocated only one allocation
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 1 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure only one allocation was placed
if len(out) != 1 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_DistinctHosts(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job that uses distinct host and has count 1 higher than what is
// possible.
job := mock.Job()
job.TaskGroups[0].Count = 11
job.Constraints = append(job.Constraints, &structs.Constraint{Operand: structs.ConstraintDistinctHosts})
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the eval has spawned blocked eval
if len(h.CreateEvals) != 1 {
t.Fatalf("bad: %#v", h.CreateEvals)
}
// Ensure the plan failed to alloc
outEval := h.Evals[0]
if len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %+v", outEval)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
// Ensure different node was used per.
used := make(map[string]struct{})
for _, alloc := range out {
if _, ok := used[alloc.NodeID]; ok {
t.Fatalf("Node collision %v", alloc.NodeID)
}
used[alloc.NodeID] = struct{}{}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_DistinctProperty(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
rack := "rack2"
if i < 5 {
rack = "rack1"
}
node.Meta["rack"] = rack
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job that uses distinct property and has count higher than what is
// possible.
job := mock.Job()
job.TaskGroups[0].Count = 8
job.Constraints = append(job.Constraints,
&structs.Constraint{
Operand: structs.ConstraintDistinctProperty,
LTarget: "${meta.rack}",
RTarget: "2",
})
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval has spawned blocked eval
if len(h.CreateEvals) != 1 {
t.Fatalf("bad: %#v", h.CreateEvals)
}
// Ensure the plan failed to alloc
outEval := h.Evals[0]
if len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %+v", outEval)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 4 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 4 {
t.Fatalf("bad: %#v", out)
}
// Ensure each node was only used twice
used := make(map[string]uint64)
for _, alloc := range out {
if count, _ := used[alloc.NodeID]; count > 2 {
t.Fatalf("Node %v used too much: %d", alloc.NodeID, count)
}
used[alloc.NodeID]++
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_DistinctProperty_TaskGroup(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 2; i++ {
node := mock.Node()
node.Meta["ssd"] = "true"
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job that uses distinct property only on one task group.
job := mock.Job()
job.TaskGroups = append(job.TaskGroups, job.TaskGroups[0].Copy())
job.TaskGroups[0].Count = 1
job.TaskGroups[0].Constraints = append(job.TaskGroups[0].Constraints,
&structs.Constraint{
Operand: structs.ConstraintDistinctProperty,
LTarget: "${meta.ssd}",
})
job.TaskGroups[1].Name = "tg2"
job.TaskGroups[1].Count = 2
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval hasn't spawned blocked eval
if len(h.CreateEvals) != 0 {
t.Fatalf("bad: %#v", h.CreateEvals[0])
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 3 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 3 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_DistinctProperty_TaskGroup_Incr(t *testing.T) {
h := NewHarness(t)
assert := assert.New(t)
// Create a job that uses distinct property over the node-id
job := mock.Job()
job.TaskGroups[0].Count = 3
job.TaskGroups[0].Constraints = append(job.TaskGroups[0].Constraints,
&structs.Constraint{
Operand: structs.ConstraintDistinctProperty,
LTarget: "${node.unique.id}",
})
assert.Nil(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job), "UpsertJob")
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 6; i++ {
node := mock.Node()
nodes = append(nodes, node)
assert.Nil(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node), "UpsertNode")
}
// Create some allocations
var allocs []*structs.Allocation
for i := 0; i < 3; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
assert.Nil(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs), "UpsertAllocs")
// Update the count
job2 := job.Copy()
job2.TaskGroups[0].Count = 6
assert.Nil(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2), "UpsertJob")
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
assert.Nil(h.Process(NewServiceScheduler, eval), "Process")
// Ensure a single plan
assert.Len(h.Plans, 1, "Number of plans")
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
assert.Nil(plan.Annotations, "Plan.Annotations")
// Ensure the eval hasn't spawned blocked eval
assert.Len(h.CreateEvals, 0, "Created Evals")
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
assert.Len(planned, 6, "Planned Allocations")
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
assert.Nil(err, "AllocsByJob")
// Ensure all allocations placed
assert.Len(out, 6, "Placed Allocations")
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// Test job registration with spread configured
func TestServiceSched_Spread(t *testing.T) {
assert := assert.New(t)
start := uint8(100)
step := uint8(10)
for i := 0; i < 10; i++ {
name := fmt.Sprintf("%d%% in dc1", start)
t.Run(name, func(t *testing.T) {
h := NewHarness(t)
remaining := uint8(100 - start)
// Create a job that uses spread over data center
job := mock.Job()
job.Datacenters = []string{"dc1", "dc2"}
job.TaskGroups[0].Count = 10
job.TaskGroups[0].Spreads = append(job.TaskGroups[0].Spreads,
&structs.Spread{
Attribute: "${node.datacenter}",
Weight: 100,
SpreadTarget: []*structs.SpreadTarget{
{
Value: "dc1",
Percent: start,
},
{
Value: "dc2",
Percent: remaining,
},
},
})
assert.Nil(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job), "UpsertJob")
// Create some nodes, half in dc2
var nodes []*structs.Node
nodeMap := make(map[string]*structs.Node)
for i := 0; i < 10; i++ {
node := mock.Node()
if i%2 == 0 {
node.Datacenter = "dc2"
}
nodes = append(nodes, node)
assert.Nil(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node), "UpsertNode")
nodeMap[node.ID] = node
}
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
assert.Nil(h.Process(NewServiceScheduler, eval), "Process")
// Ensure a single plan
assert.Len(h.Plans, 1, "Number of plans")
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
assert.Nil(plan.Annotations, "Plan.Annotations")
// Ensure the eval hasn't spawned blocked eval
assert.Len(h.CreateEvals, 0, "Created Evals")
// Ensure the plan allocated
var planned []*structs.Allocation
dcAllocsMap := make(map[string]int)
for nodeId, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
dc := nodeMap[nodeId].Datacenter
c := dcAllocsMap[dc]
c += len(allocList)
dcAllocsMap[dc] = c
}
assert.Len(planned, 10, "Planned Allocations")
expectedCounts := make(map[string]int)
expectedCounts["dc1"] = 10 - i
if i > 0 {
expectedCounts["dc2"] = i
}
require.Equal(t, expectedCounts, dcAllocsMap)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
})
start = start - step
}
}
// Test job registration with even spread across dc
func TestServiceSched_EvenSpread(t *testing.T) {
assert := assert.New(t)
h := NewHarness(t)
// Create a job that uses even spread over data center
job := mock.Job()
job.Datacenters = []string{"dc1", "dc2"}
job.TaskGroups[0].Count = 10
job.TaskGroups[0].Spreads = append(job.TaskGroups[0].Spreads,
&structs.Spread{
Attribute: "${node.datacenter}",
Weight: 100,
})
assert.Nil(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job), "UpsertJob")
// Create some nodes, half in dc2
var nodes []*structs.Node
nodeMap := make(map[string]*structs.Node)
for i := 0; i < 10; i++ {
node := mock.Node()
if i%2 == 0 {
node.Datacenter = "dc2"
}
nodes = append(nodes, node)
assert.Nil(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node), "UpsertNode")
nodeMap[node.ID] = node
}
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
assert.Nil(h.Process(NewServiceScheduler, eval), "Process")
// Ensure a single plan
assert.Len(h.Plans, 1, "Number of plans")
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
assert.Nil(plan.Annotations, "Plan.Annotations")
// Ensure the eval hasn't spawned blocked eval
assert.Len(h.CreateEvals, 0, "Created Evals")
// Ensure the plan allocated
var planned []*structs.Allocation
dcAllocsMap := make(map[string]int)
for nodeId, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
dc := nodeMap[nodeId].Datacenter
c := dcAllocsMap[dc]
c += len(allocList)
dcAllocsMap[dc] = c
}
assert.Len(planned, 10, "Planned Allocations")
// Expect even split allocs across datacenter
expectedCounts := make(map[string]int)
expectedCounts["dc1"] = 5
expectedCounts["dc2"] = 5
require.Equal(t, expectedCounts, dcAllocsMap)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_Annotate(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
AnnotatePlan: true,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Ensure the plan had annotations.
if plan.Annotations == nil {
t.Fatalf("expected annotations")
}
desiredTGs := plan.Annotations.DesiredTGUpdates
if l := len(desiredTGs); l != 1 {
t.Fatalf("incorrect number of task groups; got %v; want %v", l, 1)
}
desiredChanges, ok := desiredTGs["web"]
if !ok {
t.Fatalf("expected task group web to have desired changes")
}
expected := &structs.DesiredUpdates{Place: 10}
if !reflect.DeepEqual(desiredChanges, expected) {
t.Fatalf("Unexpected desired updates; got %#v; want %#v", desiredChanges, expected)
}
}
func TestServiceSched_JobRegister_CountZero(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job and set the task group count to zero.
job := mock.Job()
job.TaskGroups[0].Count = 0
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure there was no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure no allocations placed
if len(out) != 0 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_AllocFail(t *testing.T) {
h := NewHarness(t)
// Create NO nodes
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Ensure there is a follow up eval.
if len(h.CreateEvals) != 1 || h.CreateEvals[0].Status != structs.EvalStatusBlocked {
t.Fatalf("bad: %#v", h.CreateEvals)
}
if len(h.Evals) != 1 {
t.Fatalf("incorrect number of updated eval: %#v", h.Evals)
}
outEval := h.Evals[0]
// Ensure the eval has its spawned blocked eval
if outEval.BlockedEval != h.CreateEvals[0].ID {
t.Fatalf("bad: %#v", outEval)
}
// Ensure the plan failed to alloc
if outEval == nil || len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %#v", outEval)
}
metrics, ok := outEval.FailedTGAllocs[job.TaskGroups[0].Name]
if !ok {
t.Fatalf("no failed metrics: %#v", outEval.FailedTGAllocs)
}
// Check the coalesced failures
if metrics.CoalescedFailures != 9 {
t.Fatalf("bad: %#v", metrics)
}
// Check the available nodes
if count, ok := metrics.NodesAvailable["dc1"]; !ok || count != 0 {
t.Fatalf("bad: %#v", metrics)
}
// Check queued allocations
queued := outEval.QueuedAllocations["web"]
if queued != 10 {
t.Fatalf("expected queued: %v, actual: %v", 10, queued)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_CreateBlockedEval(t *testing.T) {
h := NewHarness(t)
// Create a full node
node := mock.Node()
node.ReservedResources = &structs.NodeReservedResources{
Cpu: structs.NodeReservedCpuResources{
CpuShares: node.NodeResources.Cpu.CpuShares,
},
}
node.ComputeClass()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create an ineligible node
node2 := mock.Node()
node2.Attributes["kernel.name"] = "windows"
node2.ComputeClass()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node2))
// Create a jobs
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Ensure the plan has created a follow up eval.
if len(h.CreateEvals) != 1 {
t.Fatalf("bad: %#v", h.CreateEvals)
}
created := h.CreateEvals[0]
if created.Status != structs.EvalStatusBlocked {
t.Fatalf("bad: %#v", created)
}
classes := created.ClassEligibility
if len(classes) != 2 || !classes[node.ComputedClass] || classes[node2.ComputedClass] {
t.Fatalf("bad: %#v", classes)
}
if created.EscapedComputedClass {
t.Fatalf("bad: %#v", created)
}
// Ensure there is a follow up eval.
if len(h.CreateEvals) != 1 || h.CreateEvals[0].Status != structs.EvalStatusBlocked {
t.Fatalf("bad: %#v", h.CreateEvals)
}
if len(h.Evals) != 1 {
t.Fatalf("incorrect number of updated eval: %#v", h.Evals)
}
outEval := h.Evals[0]
// Ensure the plan failed to alloc
if outEval == nil || len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %#v", outEval)
}
metrics, ok := outEval.FailedTGAllocs[job.TaskGroups[0].Name]
if !ok {
t.Fatalf("no failed metrics: %#v", outEval.FailedTGAllocs)
}
// Check the coalesced failures
if metrics.CoalescedFailures != 9 {
t.Fatalf("bad: %#v", metrics)
}
// Check the available nodes
if count, ok := metrics.NodesAvailable["dc1"]; !ok || count != 2 {
t.Fatalf("bad: %#v", metrics)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_FeasibleAndInfeasibleTG(t *testing.T) {
h := NewHarness(t)
// Create one node
node := mock.Node()
node.NodeClass = "class_0"
require.NoError(t, node.ComputeClass())
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job that constrains on a node class
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].Constraints = append(job.Constraints,
&structs.Constraint{
LTarget: "${node.class}",
RTarget: "class_0",
Operand: "=",
},
)
tg2 := job.TaskGroups[0].Copy()
tg2.Name = "web2"
tg2.Constraints[1].RTarget = "class_1"
job.TaskGroups = append(job.TaskGroups, tg2)
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 2 {
t.Fatalf("bad: %#v", plan)
}
// Ensure two allocations placed
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
if len(out) != 2 {
t.Fatalf("bad: %#v", out)
}
if len(h.Evals) != 1 {
t.Fatalf("incorrect number of updated eval: %#v", h.Evals)
}
outEval := h.Evals[0]
// Ensure the eval has its spawned blocked eval
if outEval.BlockedEval != h.CreateEvals[0].ID {
t.Fatalf("bad: %#v", outEval)
}
// Ensure the plan failed to alloc one tg
if outEval == nil || len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %#v", outEval)
}
metrics, ok := outEval.FailedTGAllocs[tg2.Name]
if !ok {
t.Fatalf("no failed metrics: %#v", outEval.FailedTGAllocs)
}
// Check the coalesced failures
if metrics.CoalescedFailures != tg2.Count-1 {
t.Fatalf("bad: %#v", metrics)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This test just ensures the scheduler handles the eval type to avoid
// regressions.
func TestServiceSched_EvaluateMaxPlanEval(t *testing.T) {
h := NewHarness(t)
// Create a job and set the task group count to zero.
job := mock.Job()
job.TaskGroups[0].Count = 0
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock blocked evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Status: structs.EvalStatusBlocked,
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerMaxPlans,
JobID: job.ID,
}
// Insert it into the state store
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure there was no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_Plan_Partial_Progress(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job with a high resource ask so that all the allocations can't
// be placed on a single node.
job := mock.Job()
job.TaskGroups[0].Count = 3
job.TaskGroups[0].Tasks[0].Resources.CPU = 3600
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 1 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure only one allocations placed
if len(out) != 1 {
t.Fatalf("bad: %#v", out)
}
queued := h.Evals[0].QueuedAllocations["web"]
if queued != 2 {
t.Fatalf("expected: %v, actual: %v", 2, queued)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_EvaluateBlockedEval(t *testing.T) {
h := NewHarness(t)
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock blocked evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Status: structs.EvalStatusBlocked,
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
}
// Insert it into the state store
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure there was no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Ensure that the eval was reblocked
if len(h.ReblockEvals) != 1 {
t.Fatalf("bad: %#v", h.ReblockEvals)
}
if h.ReblockEvals[0].ID != eval.ID {
t.Fatalf("expect same eval to be reblocked; got %q; want %q", h.ReblockEvals[0].ID, eval.ID)
}
// Ensure the eval status was not updated
if len(h.Evals) != 0 {
t.Fatalf("Existing eval should not have status set")
}
}
func TestServiceSched_EvaluateBlockedEval_Finished(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job and set the task group count to zero.
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock blocked evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Status: structs.EvalStatusBlocked,
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
}
// Insert it into the state store
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval has no spawned blocked eval
if len(h.Evals) != 1 {
t.Fatalf("bad: %#v", h.Evals)
if h.Evals[0].BlockedEval != "" {
t.Fatalf("bad: %#v", h.Evals[0])
}
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
// Ensure the eval was not reblocked
if len(h.ReblockEvals) != 0 {
t.Fatalf("Existing eval should not have been reblocked as it placed all allocations")
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Ensure queued allocations is zero
queued := h.Evals[0].QueuedAllocations["web"]
if queued != 0 {
t.Fatalf("expected queued: %v, actual: %v", 0, queued)
}
}
func TestServiceSched_JobModify(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Add a few terminal status allocations, these should be ignored
var terminal []*structs.Allocation
for i := 0; i < 5; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredStatus = structs.AllocDesiredStatusStop
terminal = append(terminal, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), terminal))
// Update the job
job2 := mock.Job()
job2.ID = job.ID
// Update the task, such that it cannot be done in-place
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted all allocs
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != len(allocs) {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
out, _ = structs.FilterTerminalAllocs(out)
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobModify_Datacenters(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Create some nodes in 3 DCs
var nodes []*structs.Node
for i := 1; i < 4; i++ {
node := mock.Node()
node.Datacenter = fmt.Sprintf("dc%d", i)
nodes = append(nodes, node)
h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node)
}
// Generate a fake job with allocations
job := mock.Job()
job.TaskGroups[0].Count = 3
job.Datacenters = []string{"dc1", "dc2", "dc3"}
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 3; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job to 2 DCs
job2 := job.Copy()
job2.TaskGroups[0].Count = 4
job2.Datacenters = []string{"dc1", "dc2"}
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(err)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Ensure a single plan
require.Len(h.Plans, 1)
plan := h.Plans[0]
require.Len(plan.NodeUpdate, 1) // alloc in DC3 gets destructive update
require.Len(plan.NodeUpdate[nodes[2].ID], 1)
require.Equal(allocs[2].ID, plan.NodeUpdate[nodes[2].ID][0].ID)
require.Len(plan.NodeAllocation, 2) // only 2 eligible nodes
placed := map[string]*structs.Allocation{}
for node, placedAllocs := range plan.NodeAllocation {
require.True(
helper.SliceStringContains([]string{nodes[0].ID, nodes[1].ID}, node),
"allocation placed on ineligible node",
)
for _, alloc := range placedAllocs {
placed[alloc.ID] = alloc
}
}
require.Len(placed, 4)
require.Equal(nodes[0].ID, placed[allocs[0].ID].NodeID, "alloc should not have moved")
require.Equal(nodes[1].ID, placed[allocs[1].ID].NodeID, "alloc should not have moved")
}
// Have a single node and submit a job. Increment the count such that all fit
// on the node but the node doesn't have enough resources to fit the new count +
// 1. This tests that we properly discount the resources of existing allocs.
func TestServiceSched_JobModify_IncrCount_NodeLimit(t *testing.T) {
h := NewHarness(t)
// Create one node
node := mock.Node()
node.NodeResources.Cpu.CpuShares = 1000
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with one allocation
job := mock.Job()
job.TaskGroups[0].Tasks[0].Resources.CPU = 256
job2 := job.Copy()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.AllocatedResources.Tasks["web"].Cpu.CpuShares = 256
allocs = append(allocs, alloc)
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job to count 3
job2.TaskGroups[0].Count = 3
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan didn't evicted the alloc
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != 0 {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 3 {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan had no failures
if len(h.Evals) != 1 {
t.Fatalf("incorrect number of updated eval: %#v", h.Evals)
}
outEval := h.Evals[0]
if outEval == nil || len(outEval.FailedTGAllocs) != 0 {
t.Fatalf("bad: %#v", outEval)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
out, _ = structs.FilterTerminalAllocs(out)
if len(out) != 3 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobModify_CountZero(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = structs.AllocName(alloc.JobID, alloc.TaskGroup, uint(i))
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Add a few terminal status allocations, these should be ignored
var terminal []*structs.Allocation
for i := 0; i < 5; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = structs.AllocName(alloc.JobID, alloc.TaskGroup, uint(i))
alloc.DesiredStatus = structs.AllocDesiredStatusStop
terminal = append(terminal, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), terminal))
// Update the job to be count zero
job2 := mock.Job()
job2.ID = job.ID
job2.TaskGroups[0].Count = 0
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted all allocs
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != len(allocs) {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan didn't allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 0 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
out, _ = structs.FilterTerminalAllocs(out)
if len(out) != 0 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobModify_Rolling(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job
job2 := mock.Job()
job2.ID = job.ID
desiredUpdates := 4
job2.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: desiredUpdates,
HealthCheck: structs.UpdateStrategyHealthCheck_Checks,
MinHealthyTime: 10 * time.Second,
HealthyDeadline: 10 * time.Minute,
}
// Update the task, such that it cannot be done in-place
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted only MaxParallel
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != desiredUpdates {
t.Fatalf("bad: got %d; want %d: %#v", len(update), desiredUpdates, plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != desiredUpdates {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Check that the deployment id is attached to the eval
if h.Evals[0].DeploymentID == "" {
t.Fatalf("Eval not annotated with deployment id")
}
// Ensure a deployment was created
if plan.Deployment == nil {
t.Fatalf("bad: %#v", plan)
}
dstate, ok := plan.Deployment.TaskGroups[job.TaskGroups[0].Name]
if !ok {
t.Fatalf("bad: %#v", plan)
}
if dstate.DesiredTotal != 10 && dstate.DesiredCanaries != 0 {
t.Fatalf("bad: %#v", dstate)
}
}
// This tests that the old allocation is stopped before placing.
// It is critical to test that the updated job attempts to place more
// allocations as this allows us to assert that destructive changes are done
// first.
func TestServiceSched_JobModify_Rolling_FullNode(t *testing.T) {
h := NewHarness(t)
// Create a node and clear the reserved resources
node := mock.Node()
node.ReservedResources = nil
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a resource ask that is the same as the resources available on the
// node
cpu := node.NodeResources.Cpu.CpuShares
mem := node.NodeResources.Memory.MemoryMB
request := &structs.Resources{
CPU: int(cpu),
MemoryMB: int(mem),
}
allocated := &structs.AllocatedResources{
Tasks: map[string]*structs.AllocatedTaskResources{
"web": {
Cpu: structs.AllocatedCpuResources{
CpuShares: cpu,
},
Memory: structs.AllocatedMemoryResources{
MemoryMB: mem,
},
},
},
}
// Generate a fake job with one alloc that consumes the whole node
job := mock.Job()
job.TaskGroups[0].Count = 1
job.TaskGroups[0].Tasks[0].Resources = request
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
alloc := mock.Alloc()
alloc.AllocatedResources = allocated
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Update the job to place more versions of the task group, drop the count
// and force destructive updates
job2 := job.Copy()
job2.TaskGroups[0].Count = 5
job2.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: 5,
HealthCheck: structs.UpdateStrategyHealthCheck_Checks,
MinHealthyTime: 10 * time.Second,
HealthyDeadline: 10 * time.Minute,
}
job2.TaskGroups[0].Tasks[0].Resources = mock.Job().TaskGroups[0].Tasks[0].Resources
// Update the task, such that it cannot be done in-place
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted only MaxParallel
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != 1 {
t.Fatalf("bad: got %d; want %d: %#v", len(update), 1, plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 5 {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Check that the deployment id is attached to the eval
if h.Evals[0].DeploymentID == "" {
t.Fatalf("Eval not annotated with deployment id")
}
// Ensure a deployment was created
if plan.Deployment == nil {
t.Fatalf("bad: %#v", plan)
}
dstate, ok := plan.Deployment.TaskGroups[job.TaskGroups[0].Name]
if !ok {
t.Fatalf("bad: %#v", plan)
}
if dstate.DesiredTotal != 5 || dstate.DesiredCanaries != 0 {
t.Fatalf("bad: %#v", dstate)
}
}
func TestServiceSched_JobModify_Canaries(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job
job2 := mock.Job()
job2.ID = job.ID
desiredUpdates := 2
job2.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: desiredUpdates,
Canary: desiredUpdates,
HealthCheck: structs.UpdateStrategyHealthCheck_Checks,
MinHealthyTime: 10 * time.Second,
HealthyDeadline: 10 * time.Minute,
}
// Update the task, such that it cannot be done in-place
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted nothing
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != 0 {
t.Fatalf("bad: got %d; want %d: %#v", len(update), 0, plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != desiredUpdates {
t.Fatalf("bad: %#v", plan)
}
for _, canary := range planned {
if canary.DeploymentStatus == nil || !canary.DeploymentStatus.Canary {
t.Fatalf("expected canary field to be set on canary alloc %q", canary.ID)
}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Check that the deployment id is attached to the eval
if h.Evals[0].DeploymentID == "" {
t.Fatalf("Eval not annotated with deployment id")
}
// Ensure a deployment was created
if plan.Deployment == nil {
t.Fatalf("bad: %#v", plan)
}
// Ensure local state was not altered in scheduler
staleDState, ok := plan.Deployment.TaskGroups[job.TaskGroups[0].Name]
require.True(t, ok)
require.Equal(t, 0, len(staleDState.PlacedCanaries))
ws := memdb.NewWatchSet()
// Grab the latest state
deploy, err := h.State.DeploymentByID(ws, plan.Deployment.ID)
require.NoError(t, err)
state, ok := deploy.TaskGroups[job.TaskGroups[0].Name]
require.True(t, ok)
require.Equal(t, 10, state.DesiredTotal)
require.Equal(t, state.DesiredCanaries, desiredUpdates)
// Assert the canaries were added to the placed list
if len(state.PlacedCanaries) != desiredUpdates {
assert.Fail(t, "expected PlacedCanaries to equal desiredUpdates", state)
}
}
func TestServiceSched_JobModify_InPlace(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and create an older deployment
job := mock.Job()
d := mock.Deployment()
d.JobID = job.ID
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), d))
taskName := job.TaskGroups[0].Tasks[0].Name
adr := structs.AllocatedDeviceResource{
Type: "gpu",
Vendor: "nvidia",
Name: "1080ti",
DeviceIDs: []string{uuid.Generate()},
}
asr := structs.AllocatedSharedResources{
Ports: structs.AllocatedPorts{{Label: "http"}},
Networks: structs.Networks{{Mode: "bridge"}},
}
// Create allocs that are part of the old deployment
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.AllocForNode(nodes[i])
alloc.Job = job
alloc.JobID = job.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DeploymentID = d.ID
alloc.DeploymentStatus = &structs.AllocDeploymentStatus{Healthy: helper.BoolToPtr(true)}
alloc.AllocatedResources.Tasks[taskName].Devices = []*structs.AllocatedDeviceResource{&adr}
alloc.AllocatedResources.Shared = asr
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job
job2 := mock.Job()
job2.ID = job.ID
desiredUpdates := 4
job2.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: desiredUpdates,
HealthCheck: structs.UpdateStrategyHealthCheck_Checks,
MinHealthyTime: 10 * time.Second,
HealthyDeadline: 10 * time.Minute,
}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan did not evict any allocs
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
if len(update) != 0 {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan updated the existing allocs
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
for _, p := range planned {
if p.Job != job2 {
t.Fatalf("should update job")
}
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
// Verify the allocated networks and devices did not change
rp := structs.Port{Label: "admin", Value: 5000}
for _, alloc := range out {
// Verify Shared Allocared Resources Persisted
require.Equal(t, alloc.AllocatedResources.Shared.Ports, asr.Ports)
require.Equal(t, alloc.AllocatedResources.Shared.Networks, asr.Networks)
for _, resources := range alloc.AllocatedResources.Tasks {
if resources.Networks[0].ReservedPorts[0] != rp {
t.Fatalf("bad: %#v", alloc)
}
if len(resources.Devices) == 0 || reflect.DeepEqual(resources.Devices[0], adr) {
t.Fatalf("bad devices has changed: %#v", alloc)
}
}
}
// Verify the deployment id was changed and health cleared
for _, alloc := range out {
if alloc.DeploymentID == d.ID {
t.Fatalf("bad: deployment id not cleared")
} else if alloc.DeploymentStatus != nil {
t.Fatalf("bad: deployment status not cleared")
}
}
}
// TestServiceSched_JobModify_InPlace08 asserts that inplace updates of
// allocations created with Nomad 0.8 do not cause panics.
//
// COMPAT(0.11) - While we do not guarantee that upgrades from 0.8 -> 0.10
// (skipping 0.9) are safe, we do want to avoid panics in the scheduler which
// cause unrecoverable server outages with no chance of recovery.
//
// Safe to remove in 0.11.0 as no one should ever be trying to upgrade from 0.8
// to 0.11!
func TestServiceSched_JobModify_InPlace08(t *testing.T) {
h := NewHarness(t)
// Create node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with 0.8 allocations
job := mock.Job()
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create 0.8 alloc
alloc := mock.Alloc()
alloc.Job = job.Copy()
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.AllocatedResources = nil // 0.8 didn't have this
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Update the job inplace
job2 := job.Copy()
job2.TaskGroups[0].Tasks[0].Services[0].Tags[0] = "newtag"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Ensure a single plan
require.Len(t, h.Plans, 1)
plan := h.Plans[0]
// Ensure the plan did not evict any allocs
var update []*structs.Allocation
for _, updateList := range plan.NodeUpdate {
update = append(update, updateList...)
}
require.Zero(t, update)
// Ensure the plan updated the existing alloc
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
require.Len(t, planned, 1)
for _, p := range planned {
require.Equal(t, job2, p.Job)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
require.Len(t, out, 1)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
newAlloc := out[0]
// Verify AllocatedResources was set
require.NotNil(t, newAlloc.AllocatedResources)
}
func TestServiceSched_JobModify_DistinctProperty(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
node.Meta["rack"] = fmt.Sprintf("rack%d", i)
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job that uses distinct property and has count higher than what is
// possible.
job := mock.Job()
job.TaskGroups[0].Count = 11
job.Constraints = append(job.Constraints,
&structs.Constraint{
Operand: structs.ConstraintDistinctProperty,
LTarget: "${meta.rack}",
})
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
oldJob := job.Copy()
oldJob.JobModifyIndex -= 1
oldJob.TaskGroups[0].Count = 4
// Place 4 of 10
var allocs []*structs.Allocation
for i := 0; i < 4; i++ {
alloc := mock.Alloc()
alloc.Job = oldJob
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan doesn't have annotations.
if plan.Annotations != nil {
t.Fatalf("expected no annotations")
}
// Ensure the eval hasn't spawned blocked eval
if len(h.CreateEvals) != 1 {
t.Fatalf("bad: %#v", h.CreateEvals)
}
// Ensure the plan failed to alloc
outEval := h.Evals[0]
if len(outEval.FailedTGAllocs) != 1 {
t.Fatalf("bad: %+v", outEval)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", planned)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
// Ensure different node was used per.
used := make(map[string]struct{})
for _, alloc := range out {
if _, ok := used[alloc.NodeID]; ok {
t.Fatalf("Node collision %v", alloc.NodeID)
}
used[alloc.NodeID] = struct{}{}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// TestServiceSched_JobModify_NodeReschedulePenalty ensures that
// a failing allocation gets rescheduled with a penalty to the old
// node, but an updated job doesn't apply the penalty.
func TestServiceSched_JobModify_NodeReschedulePenalty(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
Attempts: 1,
Interval: 15 * time.Minute,
Delay: 5 * time.Second,
MaxDelay: 1 * time.Minute,
DelayFunction: "constant",
}
tgName := job.TaskGroups[0].Name
now := time.Now()
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
// Mark one of the allocations as failed
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-10 * time.Second)}}
failedAlloc := allocs[1]
failedAllocID := failedAlloc.ID
successAllocID := allocs[0].ID
require.NoError(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create and process a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
require.NoError(h.Process(NewServiceScheduler, eval))
// Ensure we have one plan
require.Equal(1, len(h.Plans))
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(err)
// Verify that one new allocation got created with its restart tracker info
require.Equal(3, len(out))
var newAlloc *structs.Allocation
for _, alloc := range out {
if alloc.ID != successAllocID && alloc.ID != failedAllocID {
newAlloc = alloc
}
}
require.Equal(failedAllocID, newAlloc.PreviousAllocation)
require.Equal(1, len(newAlloc.RescheduleTracker.Events))
require.Equal(failedAllocID, newAlloc.RescheduleTracker.Events[0].PrevAllocID)
// Verify that the node-reschedule penalty was applied to the new alloc
for _, scoreMeta := range newAlloc.Metrics.ScoreMetaData {
if scoreMeta.NodeID == failedAlloc.NodeID {
require.Equal(-1.0, scoreMeta.Scores["node-reschedule-penalty"],
"eval to replace failed alloc missing node-reshedule-penalty: %v",
scoreMeta.Scores,
)
}
}
// Update the job, such that it cannot be done in-place
job2 := job.Copy()
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create and process a mock evaluation
eval = &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
require.NoError(h.Process(NewServiceScheduler, eval))
// Lookup the new allocations by JobID
out, err = h.State.AllocsByJob(ws, job.Namespace, job2.ID, false)
require.NoError(err)
out, _ = structs.FilterTerminalAllocs(out)
require.Equal(2, len(out))
// No new allocs have node-reschedule-penalty
for _, alloc := range out {
require.Nil(alloc.RescheduleTracker)
require.NotNil(alloc.Metrics)
for _, scoreMeta := range alloc.Metrics.ScoreMetaData {
if scoreMeta.NodeID != failedAlloc.NodeID {
require.Equal(0.0, scoreMeta.Scores["node-reschedule-penalty"],
"eval for updated job should not include node-reshedule-penalty: %v",
scoreMeta.Scores,
)
}
}
}
}
func TestServiceSched_JobDeregister_Purged(t *testing.T) {
h := NewHarness(t)
// Generate a fake job with allocations
job := mock.Job()
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
allocs = append(allocs, alloc)
}
for _, alloc := range allocs {
h.State.UpsertJobSummary(h.NextIndex(), mock.JobSummary(alloc.JobID))
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to deregister the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobDeregister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted all nodes
if len(plan.NodeUpdate["12345678-abcd-efab-cdef-123456789abc"]) != len(allocs) {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure that the job field on the allocation is still populated
for _, alloc := range out {
if alloc.Job == nil {
t.Fatalf("bad: %#v", alloc)
}
}
// Ensure no remaining allocations
out, _ = structs.FilterTerminalAllocs(out)
if len(out) != 0 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobDeregister_Stopped(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Generate a fake job with allocations
job := mock.Job()
job.Stop = true
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
allocs = append(allocs, alloc)
}
require.NoError(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a summary where the queued allocs are set as we want to assert
// they get zeroed out.
summary := mock.JobSummary(job.ID)
web := summary.Summary["web"]
web.Queued = 2
require.NoError(h.State.UpsertJobSummary(h.NextIndex(), summary))
// Create a mock evaluation to deregister the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobDeregister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
require.NoError(h.Process(NewServiceScheduler, eval))
// Ensure a single plan
require.Len(h.Plans, 1)
plan := h.Plans[0]
// Ensure the plan evicted all nodes
require.Len(plan.NodeUpdate["12345678-abcd-efab-cdef-123456789abc"], len(allocs))
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(err)
// Ensure that the job field on the allocation is still populated
for _, alloc := range out {
require.NotNil(alloc.Job)
}
// Ensure no remaining allocations
out, _ = structs.FilterTerminalAllocs(out)
require.Empty(out)
// Assert the job summary is cleared out
sout, err := h.State.JobSummaryByID(ws, job.Namespace, job.ID)
require.NoError(err)
require.NotNil(sout)
require.Contains(sout.Summary, "web")
webOut := sout.Summary["web"]
require.Zero(webOut.Queued)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_NodeDown(t *testing.T) {
cases := []struct {
desired string
client string
migrate bool
reschedule bool
terminal bool
lost bool
}{
{
desired: structs.AllocDesiredStatusStop,
client: structs.AllocClientStatusRunning,
lost: true,
},
{
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusPending,
migrate: true,
},
{
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusRunning,
migrate: true,
},
{
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusLost,
terminal: true,
},
{
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusComplete,
terminal: true,
},
{
desired: structs.AllocDesiredStatusRun,
client: structs.AllocClientStatusFailed,
reschedule: true,
},
{
desired: structs.AllocDesiredStatusEvict,
client: structs.AllocClientStatusRunning,
lost: true,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf(""), func(t *testing.T) {
h := NewHarness(t)
// Register a node
node := mock.Node()
node.Status = structs.NodeStatusDown
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with allocations and an update policy.
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredStatus = tc.desired
alloc.ClientStatus = tc.client
// Mark for migration if necessary
alloc.DesiredTransition.Migrate = helper.BoolToPtr(tc.migrate)
allocs := []*structs.Allocation{alloc}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
if tc.terminal {
// No plan for terminal state allocs
require.Len(t, h.Plans, 0)
} else {
require.Len(t, h.Plans, 1)
plan := h.Plans[0]
out := plan.NodeUpdate[node.ID]
require.Len(t, out, 1)
outAlloc := out[0]
if tc.migrate {
require.NotEqual(t, structs.AllocClientStatusLost, outAlloc.ClientStatus)
} else if tc.reschedule {
require.Equal(t, structs.AllocClientStatusFailed, outAlloc.ClientStatus)
} else if tc.lost {
require.Equal(t, structs.AllocClientStatusLost, outAlloc.ClientStatus)
} else {
require.Fail(t, "unexpected alloc update")
}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
})
}
}
func TestServiceSched_StopAfterClientDisconnect(t *testing.T) {
cases := []struct {
stop time.Duration
when time.Time
rescheduled bool
}{
{
rescheduled: true,
},
{
stop: 1 * time.Second,
rescheduled: false,
},
{
stop: 1 * time.Second,
when: time.Now().UTC().Add(-10 * time.Second),
rescheduled: true,
},
{
stop: 1 * time.Second,
when: time.Now().UTC().Add(10 * time.Minute),
rescheduled: false,
},
}
for i, tc := range cases {
t.Run(fmt.Sprintf(""), func(t *testing.T) {
h := NewHarness(t)
// Node, which is down
node := mock.Node()
node.Status = structs.NodeStatusDown
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Job with allocations and stop_after_client_disconnect
job := mock.Job()
job.TaskGroups[0].Count = 1
job.TaskGroups[0].StopAfterClientDisconnect = &tc.stop
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Alloc for the running group
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredStatus = structs.AllocDesiredStatusRun
alloc.ClientStatus = structs.AllocClientStatusRunning
if !tc.when.IsZero() {
alloc.AllocStates = []*structs.AllocState{{
Field: structs.AllocStateFieldClientStatus,
Value: structs.AllocClientStatusLost,
Time: tc.when,
}}
}
allocs := []*structs.Allocation{alloc}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to deal with drain
evals := []*structs.Evaluation{{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeDrain,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}}
eval := evals[0]
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), evals))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
require.Equal(t, h.Evals[0].Status, structs.EvalStatusComplete)
require.Len(t, h.Plans, 1, "plan")
// One followup eval created, either delayed or blocked
require.Len(t, h.CreateEvals, 1)
e := h.CreateEvals[0]
require.Equal(t, eval.ID, e.PreviousEval)
if tc.rescheduled {
require.Equal(t, "blocked", e.Status)
} else {
require.Equal(t, "pending", e.Status)
require.NotEmpty(t, e.WaitUntil)
}
// This eval is still being inserted in the state store
ws := memdb.NewWatchSet()
testutil.WaitForResult(func() (bool, error) {
found, err := h.State.EvalByID(ws, e.ID)
if err != nil {
return false, err
}
if found == nil {
return false, nil
}
return true, nil
}, func(err error) {
require.NoError(t, err)
})
alloc, err = h.State.AllocByID(ws, alloc.ID)
require.NoError(t, err)
// Allocations have been transitioned to lost
require.Equal(t, structs.AllocDesiredStatusStop, alloc.DesiredStatus)
require.Equal(t, structs.AllocClientStatusLost, alloc.ClientStatus)
// At least 1, 2 if we manually set the tc.when
require.NotEmpty(t, alloc.AllocStates)
if tc.rescheduled {
// Register a new node, leave it up, process the followup eval
node = mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
require.NoError(t, h.Process(NewServiceScheduler, eval))
as, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
testutil.WaitForResult(func() (bool, error) {
as, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
if err != nil {
return false, err
}
return len(as) == 2, nil
}, func(err error) {
require.NoError(t, err)
})
a2 := as[0]
if a2.ID == alloc.ID {
a2 = as[1]
}
require.Equal(t, structs.AllocClientStatusPending, a2.ClientStatus)
require.Equal(t, structs.AllocDesiredStatusRun, a2.DesiredStatus)
require.Equal(t, node.ID, a2.NodeID)
// No blocked evals
require.Empty(t, h.ReblockEvals)
require.Len(t, h.CreateEvals, 1)
require.Equal(t, h.CreateEvals[0].ID, e.ID)
} else {
// No new alloc was created
as, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
require.Len(t, as, 1)
old := as[0]
require.Equal(t, alloc.ID, old.ID)
require.Equal(t, structs.AllocClientStatusLost, old.ClientStatus)
require.Equal(t, structs.AllocDesiredStatusStop, old.DesiredStatus)
}
})
}
}
func TestServiceSched_NodeUpdate(t *testing.T) {
h := NewHarness(t)
// Register a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with allocations and an update policy.
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Mark some allocs as running
ws := memdb.NewWatchSet()
for i := 0; i < 4; i++ {
out, _ := h.State.AllocByID(ws, allocs[i].ID)
out.ClientStatus = structs.AllocClientStatusRunning
require.NoError(t, h.State.UpdateAllocsFromClient(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{out}))
}
// Create a mock evaluation which won't trigger any new placements
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
if val, ok := h.Evals[0].QueuedAllocations["web"]; !ok || val != 0 {
t.Fatalf("bad queued allocations: %v", h.Evals[0].QueuedAllocations)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_NodeDrain(t *testing.T) {
h := NewHarness(t)
// Register a draining node
node := mock.DrainNode()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted all allocs
if len(plan.NodeUpdate[node.ID]) != len(allocs) {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 10 {
t.Fatalf("bad: %#v", plan)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
out, _ = structs.FilterTerminalAllocs(out)
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_NodeDrain_Down(t *testing.T) {
h := NewHarness(t)
// Register a draining node
node := mock.DrainNode()
node.Status = structs.NodeStatusDown
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with allocations
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Set the desired state of the allocs to stop
var stop []*structs.Allocation
for i := 0; i < 6; i++ {
newAlloc := allocs[i].Copy()
newAlloc.ClientStatus = structs.AllocDesiredStatusStop
newAlloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
stop = append(stop, newAlloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), stop))
// Mark some of the allocations as running
var running []*structs.Allocation
for i := 4; i < 6; i++ {
newAlloc := stop[i].Copy()
newAlloc.ClientStatus = structs.AllocClientStatusRunning
running = append(running, newAlloc)
}
require.NoError(t, h.State.UpdateAllocsFromClient(structs.MsgTypeTestSetup, h.NextIndex(), running))
// Mark some of the allocations as complete
var complete []*structs.Allocation
for i := 6; i < 10; i++ {
newAlloc := allocs[i].Copy()
newAlloc.TaskStates = make(map[string]*structs.TaskState)
newAlloc.TaskStates["web"] = &structs.TaskState{
State: structs.TaskStateDead,
Events: []*structs.TaskEvent{
{
Type: structs.TaskTerminated,
ExitCode: 0,
},
},
}
newAlloc.ClientStatus = structs.AllocClientStatusComplete
complete = append(complete, newAlloc)
}
require.NoError(t, h.State.UpdateAllocsFromClient(structs.MsgTypeTestSetup, h.NextIndex(), complete))
// Create a mock evaluation to deal with the node update
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted non terminal allocs
if len(plan.NodeUpdate[node.ID]) != 6 {
t.Fatalf("bad: %#v", plan)
}
// Ensure that all the allocations which were in running or pending state
// has been marked as lost
var lostAllocs []string
for _, alloc := range plan.NodeUpdate[node.ID] {
lostAllocs = append(lostAllocs, alloc.ID)
}
sort.Strings(lostAllocs)
var expectedLostAllocs []string
for i := 0; i < 6; i++ {
expectedLostAllocs = append(expectedLostAllocs, allocs[i].ID)
}
sort.Strings(expectedLostAllocs)
if !reflect.DeepEqual(expectedLostAllocs, lostAllocs) {
t.Fatalf("expected: %v, actual: %v", expectedLostAllocs, lostAllocs)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_NodeDrain_Queued_Allocations(t *testing.T) {
h := NewHarness(t)
// Register a draining node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
node.DrainStrategy = mock.DrainNode().DrainStrategy
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
queued := h.Evals[0].QueuedAllocations["web"]
if queued != 2 {
t.Fatalf("expected: %v, actual: %v", 2, queued)
}
}
// TestServiceSched_NodeDrain_TaskHandle asserts that allocations with task
// handles have them propagated to replacement allocations when drained.
func TestServiceSched_NodeDrain_TaskHandle(t *testing.T) {
h := NewHarness(t)
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
alloc.TaskStates = map[string]*structs.TaskState{
"web": {
TaskHandle: &structs.TaskHandle{
Version: 1,
DriverState: []byte("test-driver-state"),
},
},
}
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
node.DrainStrategy = mock.DrainNode().DrainStrategy
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Ensure a single plan
require.Len(t, h.Plans, 1)
plan := h.Plans[0]
// Ensure the plan evicted all allocs
require.Len(t, plan.NodeUpdate[node.ID], len(allocs))
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
require.Len(t, planned, len(allocs))
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure all allocations placed
out, _ = structs.FilterTerminalAllocs(out)
require.Len(t, out, len(allocs))
// Ensure task states were propagated
for _, a := range out {
require.NotEmpty(t, a.TaskStates)
require.NotEmpty(t, a.TaskStates["web"])
require.NotNil(t, a.TaskStates["web"].TaskHandle)
assert.Equal(t, 1, a.TaskStates["web"].TaskHandle.Version)
assert.Equal(t, []byte("test-driver-state"), a.TaskStates["web"].TaskHandle.DriverState)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_RetryLimit(t *testing.T) {
h := NewHarness(t)
h.Planner = &RejectPlan{h}
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure multiple plans
if len(h.Plans) == 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure no allocations placed
if len(out) != 0 {
t.Fatalf("bad: %#v", out)
}
// Should hit the retry limit
h.AssertEvalStatus(t, structs.EvalStatusFailed)
}
func TestServiceSched_Reschedule_OnceNow(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
Attempts: 1,
Interval: 15 * time.Minute,
Delay: 5 * time.Second,
MaxDelay: 1 * time.Minute,
DelayFunction: "constant",
}
tgName := job.TaskGroups[0].Name
now := time.Now()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
// Mark one of the allocations as failed
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-10 * time.Second)}}
failedAllocID := allocs[1].ID
successAllocID := allocs[0].ID
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure multiple plans
if len(h.Plans) == 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Verify that one new allocation got created with its restart tracker info
assert := assert.New(t)
assert.Equal(3, len(out))
var newAlloc *structs.Allocation
for _, alloc := range out {
if alloc.ID != successAllocID && alloc.ID != failedAllocID {
newAlloc = alloc
}
}
assert.Equal(failedAllocID, newAlloc.PreviousAllocation)
assert.Equal(1, len(newAlloc.RescheduleTracker.Events))
assert.Equal(failedAllocID, newAlloc.RescheduleTracker.Events[0].PrevAllocID)
// Mark this alloc as failed again, should not get rescheduled
newAlloc.ClientStatus = structs.AllocClientStatusFailed
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{newAlloc}))
// Create another mock evaluation
eval = &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err = h.Process(NewServiceScheduler, eval)
assert.Nil(err)
// Verify no new allocs were created this time
out, err = h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
assert.Equal(3, len(out))
}
// Tests that alloc reschedulable at a future time creates a follow up eval
func TestServiceSched_Reschedule_Later(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
delayDuration := 15 * time.Second
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
Attempts: 1,
Interval: 15 * time.Minute,
Delay: delayDuration,
MaxDelay: 1 * time.Minute,
DelayFunction: "constant",
}
tgName := job.TaskGroups[0].Name
now := time.Now()
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
// Mark one of the allocations as failed
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now}}
failedAllocID := allocs[1].ID
require.NoError(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure multiple plans
if len(h.Plans) == 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(err)
// Verify no new allocs were created
require.Equal(2, len(out))
// Verify follow up eval was created for the failed alloc
alloc, err := h.State.AllocByID(ws, failedAllocID)
require.Nil(err)
require.NotEmpty(alloc.FollowupEvalID)
// Ensure there is a follow up eval.
if len(h.CreateEvals) != 1 || h.CreateEvals[0].Status != structs.EvalStatusPending {
t.Fatalf("bad: %#v", h.CreateEvals)
}
followupEval := h.CreateEvals[0]
require.Equal(now.Add(delayDuration), followupEval.WaitUntil)
}
func TestServiceSched_Reschedule_MultipleNow(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
maxRestartAttempts := 3
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
Attempts: maxRestartAttempts,
Interval: 30 * time.Minute,
Delay: 5 * time.Second,
DelayFunction: "constant",
}
tgName := job.TaskGroups[0].Name
now := time.Now()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.ClientStatus = structs.AllocClientStatusRunning
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
// Mark one of the allocations as failed
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-10 * time.Second)}}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
expectedNumAllocs := 3
expectedNumReschedTrackers := 1
failedAllocId := allocs[1].ID
failedNodeID := allocs[1].NodeID
assert := assert.New(t)
for i := 0; i < maxRestartAttempts; i++ {
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Ensure multiple plans
if len(h.Plans) == 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Verify that a new allocation got created with its restart tracker info
assert.Equal(expectedNumAllocs, len(out))
// Find the new alloc with ClientStatusPending
var pendingAllocs []*structs.Allocation
var prevFailedAlloc *structs.Allocation
for _, alloc := range out {
if alloc.ClientStatus == structs.AllocClientStatusPending {
pendingAllocs = append(pendingAllocs, alloc)
}
if alloc.ID == failedAllocId {
prevFailedAlloc = alloc
}
}
assert.Equal(1, len(pendingAllocs))
newAlloc := pendingAllocs[0]
assert.Equal(expectedNumReschedTrackers, len(newAlloc.RescheduleTracker.Events))
// Verify the previous NodeID in the most recent reschedule event
reschedEvents := newAlloc.RescheduleTracker.Events
assert.Equal(failedAllocId, reschedEvents[len(reschedEvents)-1].PrevAllocID)
assert.Equal(failedNodeID, reschedEvents[len(reschedEvents)-1].PrevNodeID)
// Verify that the next alloc of the failed alloc is the newly rescheduled alloc
assert.Equal(newAlloc.ID, prevFailedAlloc.NextAllocation)
// Mark this alloc as failed again
newAlloc.ClientStatus = structs.AllocClientStatusFailed
newAlloc.TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-12 * time.Second),
FinishedAt: now.Add(-10 * time.Second)}}
failedAllocId = newAlloc.ID
failedNodeID = newAlloc.NodeID
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{newAlloc}))
// Create another mock evaluation
eval = &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
expectedNumAllocs += 1
expectedNumReschedTrackers += 1
}
// Process last eval again, should not reschedule
err := h.Process(NewServiceScheduler, eval)
assert.Nil(err)
// Verify no new allocs were created because restart attempts were exhausted
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
assert.Equal(5, len(out)) // 2 original, plus 3 reschedule attempts
}
// Tests that old reschedule attempts are pruned
func TestServiceSched_Reschedule_PruneEvents(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and an update policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
DelayFunction: "exponential",
MaxDelay: 1 * time.Hour,
Delay: 5 * time.Second,
Unlimited: true,
}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
now := time.Now()
// Mark allocations as failed with restart info
allocs[1].TaskStates = map[string]*structs.TaskState{job.TaskGroups[0].Name: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-15 * time.Minute)}}
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].RescheduleTracker = &structs.RescheduleTracker{
Events: []*structs.RescheduleEvent{
{RescheduleTime: now.Add(-1 * time.Hour).UTC().UnixNano(),
PrevAllocID: uuid.Generate(),
PrevNodeID: uuid.Generate(),
Delay: 5 * time.Second,
},
{RescheduleTime: now.Add(-40 * time.Minute).UTC().UnixNano(),
PrevAllocID: allocs[0].ID,
PrevNodeID: uuid.Generate(),
Delay: 10 * time.Second,
},
{RescheduleTime: now.Add(-30 * time.Minute).UTC().UnixNano(),
PrevAllocID: allocs[0].ID,
PrevNodeID: uuid.Generate(),
Delay: 20 * time.Second,
},
{RescheduleTime: now.Add(-20 * time.Minute).UTC().UnixNano(),
PrevAllocID: allocs[0].ID,
PrevNodeID: uuid.Generate(),
Delay: 40 * time.Second,
},
{RescheduleTime: now.Add(-10 * time.Minute).UTC().UnixNano(),
PrevAllocID: allocs[0].ID,
PrevNodeID: uuid.Generate(),
Delay: 80 * time.Second,
},
{RescheduleTime: now.Add(-3 * time.Minute).UTC().UnixNano(),
PrevAllocID: allocs[0].ID,
PrevNodeID: uuid.Generate(),
Delay: 160 * time.Second,
},
},
}
expectedFirstRescheduleEvent := allocs[1].RescheduleTracker.Events[1]
expectedDelay := 320 * time.Second
failedAllocID := allocs[1].ID
successAllocID := allocs[0].ID
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure multiple plans
if len(h.Plans) == 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Verify that one new allocation got created with its restart tracker info
assert := assert.New(t)
assert.Equal(3, len(out))
var newAlloc *structs.Allocation
for _, alloc := range out {
if alloc.ID != successAllocID && alloc.ID != failedAllocID {
newAlloc = alloc
}
}
assert.Equal(failedAllocID, newAlloc.PreviousAllocation)
// Verify that the new alloc copied the last 5 reschedule attempts
assert.Equal(6, len(newAlloc.RescheduleTracker.Events))
assert.Equal(expectedFirstRescheduleEvent, newAlloc.RescheduleTracker.Events[0])
mostRecentRescheduleEvent := newAlloc.RescheduleTracker.Events[5]
// Verify that the failed alloc ID is in the most recent reschedule event
assert.Equal(failedAllocID, mostRecentRescheduleEvent.PrevAllocID)
// Verify that the delay value was captured correctly
assert.Equal(expectedDelay, mostRecentRescheduleEvent.Delay)
}
// Tests that deployments with failed allocs result in placements as long as the
// deployment is running.
func TestDeployment_FailedAllocs_Reschedule(t *testing.T) {
for _, failedDeployment := range []bool{false, true} {
t.Run(fmt.Sprintf("Failed Deployment: %v", failedDeployment), func(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations and a reschedule policy.
job := mock.Job()
job.TaskGroups[0].Count = 2
job.TaskGroups[0].ReschedulePolicy = &structs.ReschedulePolicy{
Attempts: 1,
Interval: 15 * time.Minute,
}
jobIndex := h.NextIndex()
require.Nil(h.State.UpsertJob(structs.MsgTypeTestSetup, jobIndex, job))
deployment := mock.Deployment()
deployment.JobID = job.ID
deployment.JobCreateIndex = jobIndex
deployment.JobVersion = job.Version
if failedDeployment {
deployment.Status = structs.DeploymentStatusFailed
}
require.Nil(h.State.UpsertDeployment(h.NextIndex(), deployment))
var allocs []*structs.Allocation
for i := 0; i < 2; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.DeploymentID = deployment.ID
allocs = append(allocs, alloc)
}
// Mark one of the allocations as failed in the past
allocs[1].ClientStatus = structs.AllocClientStatusFailed
allocs[1].TaskStates = map[string]*structs.TaskState{"web": {State: "start",
StartedAt: time.Now().Add(-12 * time.Hour),
FinishedAt: time.Now().Add(-10 * time.Hour)}}
allocs[1].DesiredTransition.Reschedule = helper.BoolToPtr(true)
require.Nil(h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.Nil(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
require.Nil(h.Process(NewServiceScheduler, eval))
if failedDeployment {
// Verify no plan created
require.Len(h.Plans, 0)
} else {
require.Len(h.Plans, 1)
plan := h.Plans[0]
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 1 {
t.Fatalf("bad: %#v", plan)
}
}
})
}
}
func TestBatchSched_Run_CompleteAlloc(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a complete alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusComplete
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan as it should be a no-op
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure no allocations placed
if len(out) != 1 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestBatchSched_Run_FailedAlloc(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
tgName := job.TaskGroups[0].Name
now := time.Now()
// Create a failed alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusFailed
alloc.TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-10 * time.Second)}}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure a replacement alloc was placed.
if len(out) != 2 {
t.Fatalf("bad: %#v", out)
}
// Ensure that the scheduler is recording the correct number of queued
// allocations
queued := h.Evals[0].QueuedAllocations["web"]
if queued != 0 {
t.Fatalf("expected: %v, actual: %v", 1, queued)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestBatchSched_Run_LostAlloc(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job
job := mock.Job()
job.ID = "my-job"
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 3
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Desired = 3
// Mark one as lost and then schedule
// [(0, run, running), (1, run, running), (1, stop, lost)]
// Create two running allocations
var allocs []*structs.Allocation
for i := 0; i <= 1; i++ {
alloc := mock.AllocForNodeWithoutReservedPort(node)
alloc.Job = job
alloc.JobID = job.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.ClientStatus = structs.AllocClientStatusRunning
allocs = append(allocs, alloc)
}
// Create a failed alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[1]"
alloc.DesiredStatus = structs.AllocDesiredStatusStop
alloc.ClientStatus = structs.AllocClientStatusComplete
allocs = append(allocs, alloc)
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure a replacement alloc was placed.
if len(out) != 4 {
t.Fatalf("bad: %#v", out)
}
// Assert that we have the correct number of each alloc name
expected := map[string]int{
"my-job.web[0]": 1,
"my-job.web[1]": 2,
"my-job.web[2]": 1,
}
actual := make(map[string]int, 3)
for _, alloc := range out {
actual[alloc.Name] += 1
}
require.Equal(t, actual, expected)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestBatchSched_Run_FailedAllocQueuedAllocations(t *testing.T) {
h := NewHarness(t)
node := mock.DrainNode()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
tgName := job.TaskGroups[0].Name
now := time.Now()
// Create a failed alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusFailed
alloc.TaskStates = map[string]*structs.TaskState{tgName: {State: "dead",
StartedAt: now.Add(-1 * time.Hour),
FinishedAt: now.Add(-10 * time.Second)}}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure that the scheduler is recording the correct number of queued
// allocations
queued := h.Evals[0].QueuedAllocations["web"]
if queued != 1 {
t.Fatalf("expected: %v, actual: %v", 1, queued)
}
}
func TestBatchSched_ReRun_SuccessfullyFinishedAlloc(t *testing.T) {
h := NewHarness(t)
// Create two nodes, one that is drained and has a successfully finished
// alloc and a fresh undrained one
node := mock.DrainNode()
node2 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node2))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a successful alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusComplete
alloc.TaskStates = map[string]*structs.TaskState{
"web": {
State: structs.TaskStateDead,
Events: []*structs.TaskEvent{
{
Type: structs.TaskTerminated,
ExitCode: 0,
},
},
},
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to rerun the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure no replacement alloc was placed.
if len(out) != 1 {
t.Fatalf("bad: %#v", out)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This test checks that terminal allocations that receive an in-place updated
// are not added to the plan
func TestBatchSched_JobModify_InPlace_Terminal(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
job.Type = structs.JobTypeBatch
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.ClientStatus = structs.AllocClientStatusComplete
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to trigger the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans[0])
}
}
// This test ensures that terminal jobs from older versions are ignored.
func TestBatchSched_JobModify_Destructive_Terminal(t *testing.T) {
h := NewHarness(t)
// Create some nodes
var nodes []*structs.Node
for i := 0; i < 10; i++ {
node := mock.Node()
nodes = append(nodes, node)
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Generate a fake job with allocations
job := mock.Job()
job.Type = structs.JobTypeBatch
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.ClientStatus = structs.AllocClientStatusComplete
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job
job2 := mock.Job()
job2.ID = job.ID
job2.Type = structs.JobTypeBatch
job2.Version++
job2.TaskGroups[0].Tasks[0].Env = map[string]string{"foo": "bar"}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
allocs = nil
for i := 0; i < 10; i++ {
alloc := mock.Alloc()
alloc.Job = job2
alloc.JobID = job2.ID
alloc.NodeID = nodes[i].ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
alloc.ClientStatus = structs.AllocClientStatusComplete
alloc.TaskStates = map[string]*structs.TaskState{
"web": {
State: structs.TaskStateDead,
Events: []*structs.TaskEvent{
{
Type: structs.TaskTerminated,
ExitCode: 0,
},
},
},
}
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
}
// This test asserts that an allocation from an old job that is running on a
// drained node is cleaned up.
func TestBatchSched_NodeDrain_Running_OldJob(t *testing.T) {
h := NewHarness(t)
// Create two nodes, one that is drained and has a successfully finished
// alloc and a fresh undrained one
node := mock.DrainNode()
node2 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node2))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a running alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusRunning
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create an update job
job2 := job.Copy()
job2.TaskGroups[0].Tasks[0].Env = map[string]string{"foo": "bar"}
job2.Version++
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted 1
if len(plan.NodeUpdate[node.ID]) != 1 {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan places 1
if len(plan.NodeAllocation[node2.ID]) != 1 {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This test asserts that an allocation from a job that is complete on a
// drained node is ignored up.
func TestBatchSched_NodeDrain_Complete(t *testing.T) {
h := NewHarness(t)
// Create two nodes, one that is drained and has a successfully finished
// alloc and a fresh undrained one
node := mock.DrainNode()
node2 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node2))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a complete alloc
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusComplete
alloc.TaskStates = make(map[string]*structs.TaskState)
alloc.TaskStates["web"] = &structs.TaskState{
State: structs.TaskStateDead,
Events: []*structs.TaskEvent{
{
Type: structs.TaskTerminated,
ExitCode: 0,
},
},
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure no plan
if len(h.Plans) != 0 {
t.Fatalf("bad: %#v", h.Plans)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This is a slightly odd test but it ensures that we handle a scale down of a
// task group's count and that it works even if all the allocs have the same
// name.
func TestBatchSched_ScaleDown_SameName(t *testing.T) {
h := NewHarness(t)
// Create a node
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job
job := mock.Job()
job.Type = structs.JobTypeBatch
job.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
scoreMetric := &structs.AllocMetric{
NodesEvaluated: 10,
NodesFiltered: 3,
ScoreMetaData: []*structs.NodeScoreMeta{
{
NodeID: node.ID,
Scores: map[string]float64{
"bin-packing": 0.5435,
},
},
},
}
// Create a few running alloc
var allocs []*structs.Allocation
for i := 0; i < 5; i++ {
alloc := mock.AllocForNodeWithoutReservedPort(node)
alloc.Job = job
alloc.JobID = job.ID
alloc.Name = "my-job.web[0]"
alloc.ClientStatus = structs.AllocClientStatusRunning
alloc.Metrics = scoreMetric
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// Update the job's modify index to force an inplace upgrade
updatedJob := job.Copy()
updatedJob.JobModifyIndex = job.JobModifyIndex + 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), updatedJob))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewBatchScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
require := require.New(t)
// Ensure the plan evicted 4 of the 5
require.Equal(4, len(plan.NodeUpdate[node.ID]))
// Ensure that the scheduler did not overwrite the original score metrics for the i
for _, inPlaceAllocs := range plan.NodeAllocation {
for _, alloc := range inPlaceAllocs {
require.Equal(scoreMetric, alloc.Metrics)
}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestGenericSched_AllocFit_Lifecycle(t *testing.T) {
testCases := []struct {
Name string
NodeCpu int64
TaskResources structs.Resources
MainTaskCount int
InitTaskCount int
SideTaskCount int
ShouldPlaceAlloc bool
}{
{
Name: "simple init + sidecar",
NodeCpu: 1200,
TaskResources: structs.Resources{
CPU: 500,
MemoryMB: 256,
},
MainTaskCount: 1,
InitTaskCount: 1,
SideTaskCount: 1,
ShouldPlaceAlloc: true,
},
{
Name: "too big init + sidecar",
NodeCpu: 1200,
TaskResources: structs.Resources{
CPU: 700,
MemoryMB: 256,
},
MainTaskCount: 1,
InitTaskCount: 1,
SideTaskCount: 1,
ShouldPlaceAlloc: false,
},
{
Name: "many init + sidecar",
NodeCpu: 1200,
TaskResources: structs.Resources{
CPU: 100,
MemoryMB: 100,
},
MainTaskCount: 3,
InitTaskCount: 5,
SideTaskCount: 5,
ShouldPlaceAlloc: true,
},
{
Name: "too many init + sidecar",
NodeCpu: 1200,
TaskResources: structs.Resources{
CPU: 100,
MemoryMB: 100,
},
MainTaskCount: 10,
InitTaskCount: 10,
SideTaskCount: 10,
ShouldPlaceAlloc: false,
},
{
Name: "too many too big",
NodeCpu: 1200,
TaskResources: structs.Resources{
CPU: 1000,
MemoryMB: 100,
},
MainTaskCount: 10,
InitTaskCount: 10,
SideTaskCount: 10,
ShouldPlaceAlloc: false,
},
}
for _, testCase := range testCases {
t.Run(testCase.Name, func(t *testing.T) {
h := NewHarness(t)
node := mock.Node()
node.NodeResources.Cpu.CpuShares = testCase.NodeCpu
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a job with sidecar & init tasks
job := mock.VariableLifecycleJob(testCase.TaskResources, testCase.MainTaskCount, testCase.InitTaskCount, testCase.SideTaskCount)
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
allocs := 0
if testCase.ShouldPlaceAlloc {
allocs = 1
}
// Ensure no plan as it should be a no-op
require.Len(t, h.Plans, allocs)
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
// Ensure no allocations placed
require.Len(t, out, allocs)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
})
}
}
func TestGenericSched_AllocFit_MemoryOversubscription(t *testing.T) {
h := NewHarness(t)
node := mock.Node()
node.NodeResources.Cpu.CpuShares = 10000
node.NodeResources.Memory.MemoryMB = 1224
node.ReservedResources.Memory.MemoryMB = 60
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
job := mock.Job()
job.TaskGroups[0].Count = 10
job.TaskGroups[0].Tasks[0].Resources.CPU = 100
job.TaskGroups[0].Tasks[0].Resources.MemoryMB = 200
job.TaskGroups[0].Tasks[0].Resources.MemoryMaxMB = 500
job.TaskGroups[0].Tasks[0].Resources.DiskMB = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// expectedAllocs should be floor((nodeResources.MemoryMB-reservedResources.MemoryMB) / job.MemoryMB)
expectedAllocs := 5
require.Len(t, h.Plans, 1)
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, false)
require.NoError(t, err)
require.Len(t, out, expectedAllocs)
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestGenericSched_ChainedAlloc(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// Create a job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
if err := h.Process(NewServiceScheduler, eval); err != nil {
t.Fatalf("err: %v", err)
}
var allocIDs []string
for _, allocList := range h.Plans[0].NodeAllocation {
for _, alloc := range allocList {
allocIDs = append(allocIDs, alloc.ID)
}
}
sort.Strings(allocIDs)
// Create a new harness to invoke the scheduler again
h1 := NewHarnessWithState(t, h.State)
job1 := mock.Job()
job1.ID = job.ID
job1.TaskGroups[0].Tasks[0].Env["foo"] = "bar"
job1.TaskGroups[0].Count = 12
require.NoError(t, h1.State.UpsertJob(structs.MsgTypeTestSetup, h1.NextIndex(), job1))
// Create a mock evaluation to update the job
eval1 := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job1.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job1.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval1}))
// Process the evaluation
if err := h1.Process(NewServiceScheduler, eval1); err != nil {
t.Fatalf("err: %v", err)
}
plan := h1.Plans[0]
// Collect all the chained allocation ids and the new allocations which
// don't have any chained allocations
var prevAllocs []string
var newAllocs []string
for _, allocList := range plan.NodeAllocation {
for _, alloc := range allocList {
if alloc.PreviousAllocation == "" {
newAllocs = append(newAllocs, alloc.ID)
continue
}
prevAllocs = append(prevAllocs, alloc.PreviousAllocation)
}
}
sort.Strings(prevAllocs)
// Ensure that the new allocations has their corresponding original
// allocation ids
if !reflect.DeepEqual(prevAllocs, allocIDs) {
t.Fatalf("expected: %v, actual: %v", len(allocIDs), len(prevAllocs))
}
// Ensuring two new allocations don't have any chained allocations
if len(newAllocs) != 2 {
t.Fatalf("expected: %v, actual: %v", 2, len(newAllocs))
}
}
func TestServiceSched_NodeDrain_Sticky(t *testing.T) {
h := NewHarness(t)
// Register a draining node
node := mock.DrainNode()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create an alloc on the draining node
alloc := mock.Alloc()
alloc.Name = "my-job.web[0]"
alloc.NodeID = node.ID
alloc.Job.TaskGroups[0].Count = 1
alloc.Job.TaskGroups[0].EphemeralDisk.Sticky = true
alloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), alloc.Job))
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation to deal with drain
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
JobID: alloc.Job.ID,
NodeID: node.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan evicted all allocs
if len(plan.NodeUpdate[node.ID]) != 1 {
t.Fatalf("bad: %#v", plan)
}
// Ensure the plan didn't create any new allocations
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 0 {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This test ensures that when a job is stopped, the scheduler properly cancels
// an outstanding deployment.
func TestServiceSched_CancelDeployment_Stopped(t *testing.T) {
h := NewHarness(t)
// Generate a fake job
job := mock.Job()
job.JobModifyIndex = job.CreateIndex + 1
job.ModifyIndex = job.CreateIndex + 1
job.Stop = true
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a deployment
d := mock.Deployment()
d.JobID = job.ID
d.JobCreateIndex = job.CreateIndex
d.JobModifyIndex = job.JobModifyIndex - 1
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), d))
// Create a mock evaluation to deregister the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobDeregister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan cancelled the existing deployment
ws := memdb.NewWatchSet()
out, err := h.State.LatestDeploymentByJobID(ws, job.Namespace, job.ID)
require.NoError(t, err)
if out == nil {
t.Fatalf("No deployment for job")
}
if out.ID != d.ID {
t.Fatalf("Latest deployment for job is different than original deployment")
}
if out.Status != structs.DeploymentStatusCancelled {
t.Fatalf("Deployment status is %q, want %q", out.Status, structs.DeploymentStatusCancelled)
}
if out.StatusDescription != structs.DeploymentStatusDescriptionStoppedJob {
t.Fatalf("Deployment status description is %q, want %q",
out.StatusDescription, structs.DeploymentStatusDescriptionStoppedJob)
}
// Ensure the plan didn't allocate anything
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 0 {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// This test ensures that when a job is updated and had an old deployment, the scheduler properly cancels
// the deployment.
func TestServiceSched_CancelDeployment_NewerJob(t *testing.T) {
h := NewHarness(t)
// Generate a fake job
job := mock.Job()
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a deployment for an old version of the job
d := mock.Deployment()
d.JobID = job.ID
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), d))
// Upsert again to bump job version
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to kick the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
if err != nil {
t.Fatalf("err: %v", err)
}
// Ensure a single plan
if len(h.Plans) != 1 {
t.Fatalf("bad: %#v", h.Plans)
}
plan := h.Plans[0]
// Ensure the plan cancelled the existing deployment
ws := memdb.NewWatchSet()
out, err := h.State.LatestDeploymentByJobID(ws, job.Namespace, job.ID)
require.NoError(t, err)
if out == nil {
t.Fatalf("No deployment for job")
}
if out.ID != d.ID {
t.Fatalf("Latest deployment for job is different than original deployment")
}
if out.Status != structs.DeploymentStatusCancelled {
t.Fatalf("Deployment status is %q, want %q", out.Status, structs.DeploymentStatusCancelled)
}
if out.StatusDescription != structs.DeploymentStatusDescriptionNewerJob {
t.Fatalf("Deployment status description is %q, want %q",
out.StatusDescription, structs.DeploymentStatusDescriptionNewerJob)
}
// Ensure the plan didn't allocate anything
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
if len(planned) != 0 {
t.Fatalf("bad: %#v", plan)
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
// Various table driven tests for carry forward
// of past reschedule events
func Test_updateRescheduleTracker(t *testing.T) {
t1 := time.Now().UTC()
alloc := mock.Alloc()
prevAlloc := mock.Alloc()
type testCase struct {
desc string
prevAllocEvents []*structs.RescheduleEvent
reschedPolicy *structs.ReschedulePolicy
expectedRescheduleEvents []*structs.RescheduleEvent
reschedTime time.Time
}
testCases := []testCase{
{
desc: "No past events",
prevAllocEvents: nil,
reschedPolicy: &structs.ReschedulePolicy{Unlimited: false, Interval: 24 * time.Hour, Attempts: 2, Delay: 5 * time.Second},
reschedTime: t1,
expectedRescheduleEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
},
},
{
desc: "one past event, linear delay",
prevAllocEvents: []*structs.RescheduleEvent{
{RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second}},
reschedPolicy: &structs.ReschedulePolicy{Unlimited: false, Interval: 24 * time.Hour, Attempts: 2, Delay: 5 * time.Second},
reschedTime: t1,
expectedRescheduleEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
{
RescheduleTime: t1.UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
},
},
{
desc: "one past event, fibonacci delay",
prevAllocEvents: []*structs.RescheduleEvent{
{RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second}},
reschedPolicy: &structs.ReschedulePolicy{Unlimited: false, Interval: 24 * time.Hour, Attempts: 2, Delay: 5 * time.Second, DelayFunction: "fibonacci", MaxDelay: 60 * time.Second},
reschedTime: t1,
expectedRescheduleEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
{
RescheduleTime: t1.UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
},
},
{
desc: "eight past events, fibonacci delay, unlimited",
prevAllocEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 10 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 15 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 25 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 40 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 65 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 105 * time.Second,
},
},
reschedPolicy: &structs.ReschedulePolicy{Unlimited: true, Delay: 5 * time.Second, DelayFunction: "fibonacci", MaxDelay: 240 * time.Second},
reschedTime: t1,
expectedRescheduleEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 15 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 25 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 40 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 65 * time.Second,
},
{
RescheduleTime: t1.Add(-1 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 105 * time.Second,
},
{
RescheduleTime: t1.UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 170 * time.Second,
},
},
},
{
desc: " old attempts past interval, exponential delay, limited",
prevAllocEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-2 * time.Hour).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 5 * time.Second,
},
{
RescheduleTime: t1.Add(-70 * time.Minute).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 10 * time.Second,
},
{
RescheduleTime: t1.Add(-30 * time.Minute).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 20 * time.Second,
},
{
RescheduleTime: t1.Add(-10 * time.Minute).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 40 * time.Second,
},
},
reschedPolicy: &structs.ReschedulePolicy{Unlimited: false, Interval: 1 * time.Hour, Attempts: 5, Delay: 5 * time.Second, DelayFunction: "exponential", MaxDelay: 240 * time.Second},
reschedTime: t1,
expectedRescheduleEvents: []*structs.RescheduleEvent{
{
RescheduleTime: t1.Add(-30 * time.Minute).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 20 * time.Second,
},
{
RescheduleTime: t1.Add(-10 * time.Minute).UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 40 * time.Second,
},
{
RescheduleTime: t1.UnixNano(),
PrevAllocID: prevAlloc.ID,
PrevNodeID: prevAlloc.NodeID,
Delay: 80 * time.Second,
},
},
},
}
for _, tc := range testCases {
t.Run(tc.desc, func(t *testing.T) {
require := require.New(t)
prevAlloc.RescheduleTracker = &structs.RescheduleTracker{Events: tc.prevAllocEvents}
prevAlloc.Job.LookupTaskGroup(prevAlloc.TaskGroup).ReschedulePolicy = tc.reschedPolicy
updateRescheduleTracker(alloc, prevAlloc, tc.reschedTime)
require.Equal(tc.expectedRescheduleEvents, alloc.RescheduleTracker.Events)
})
}
}
func TestServiceSched_Preemption(t *testing.T) {
require := require.New(t)
h := NewHarness(t)
// Create a node
node := mock.Node()
node.Resources = nil
node.ReservedResources = nil
node.NodeResources = &structs.NodeResources{
Cpu: structs.NodeCpuResources{
CpuShares: 1000,
},
Memory: structs.NodeMemoryResources{
MemoryMB: 2048,
},
Disk: structs.NodeDiskResources{
DiskMB: 100 * 1024,
},
Networks: []*structs.NetworkResource{
{
Mode: "host",
Device: "eth0",
CIDR: "192.168.0.100/32",
MBits: 1000,
},
},
}
node.ReservedResources = &structs.NodeReservedResources{
Cpu: structs.NodeReservedCpuResources{
CpuShares: 50,
},
Memory: structs.NodeReservedMemoryResources{
MemoryMB: 256,
},
Disk: structs.NodeReservedDiskResources{
DiskMB: 4 * 1024,
},
Networks: structs.NodeReservedNetworkResources{
ReservedHostPorts: "22",
},
}
require.NoError(h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node))
// Create a couple of jobs and schedule them
job1 := mock.Job()
job1.TaskGroups[0].Count = 1
job1.TaskGroups[0].Networks = nil
job1.Priority = 30
r1 := job1.TaskGroups[0].Tasks[0].Resources
r1.CPU = 500
r1.MemoryMB = 1024
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job1))
job2 := mock.Job()
job2.TaskGroups[0].Count = 1
job2.TaskGroups[0].Networks = nil
job2.Priority = 50
r2 := job2.TaskGroups[0].Tasks[0].Resources
r2.CPU = 350
r2.MemoryMB = 512
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation to register the jobs
eval1 := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job1.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job1.ID,
Status: structs.EvalStatusPending,
}
eval2 := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job2.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job2.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval1, eval2}))
expectedPreemptedAllocs := make(map[string]struct{})
// Process the two evals for job1 and job2 and make sure they allocated
for index, eval := range []*structs.Evaluation{eval1, eval2} {
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.Nil(err)
plan := h.Plans[index]
// Ensure the plan doesn't have annotations.
require.Nil(plan.Annotations)
// Ensure the eval has no spawned blocked eval
require.Equal(0, len(h.CreateEvals))
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
require.Equal(1, len(planned))
expectedPreemptedAllocs[planned[0].ID] = struct{}{}
}
// Create a higher priority job
job3 := mock.Job()
job3.Priority = 100
job3.TaskGroups[0].Count = 1
job3.TaskGroups[0].Networks = nil
r3 := job3.TaskGroups[0].Tasks[0].Resources
r3.CPU = 900
r3.MemoryMB = 1700
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job3))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job3.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job3.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.Nil(err)
// New plan should be the third one in the harness
plan := h.Plans[2]
// Ensure the eval has no spawned blocked eval
require.Equal(0, len(h.CreateEvals))
// Ensure the plan allocated
var planned []*structs.Allocation
for _, allocList := range plan.NodeAllocation {
planned = append(planned, allocList...)
}
require.Equal(1, len(planned))
// Lookup the allocations by JobID
ws := memdb.NewWatchSet()
out, err := h.State.AllocsByJob(ws, job3.Namespace, job3.ID, false)
require.NoError(err)
// Ensure all allocations placed
require.Equal(1, len(out))
actualPreemptedAllocs := make(map[string]struct{})
for _, id := range out[0].PreemptedAllocations {
actualPreemptedAllocs[id] = struct{}{}
}
require.Equal(expectedPreemptedAllocs, actualPreemptedAllocs)
}
// TestServiceSched_Migrate_NonCanary asserts that when rescheduling
// non-canary allocations, a single allocation is migrated
func TestServiceSched_Migrate_NonCanary(t *testing.T) {
h := NewHarness(t)
node1 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node1))
job := mock.Job()
job.Stable = true
job.TaskGroups[0].Count = 1
job.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: 1,
Canary: 1,
}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
deployment := &structs.Deployment{
ID: uuid.Generate(),
JobID: job.ID,
Namespace: job.Namespace,
JobVersion: job.Version,
JobModifyIndex: job.JobModifyIndex,
JobCreateIndex: job.CreateIndex,
TaskGroups: map[string]*structs.DeploymentState{
"web": {DesiredTotal: 1},
},
Status: structs.DeploymentStatusSuccessful,
StatusDescription: structs.DeploymentStatusDescriptionSuccessful,
}
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), deployment))
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node1.ID
alloc.DeploymentID = deployment.ID
alloc.Name = "my-job.web[0]"
alloc.DesiredStatus = structs.AllocDesiredStatusRun
alloc.ClientStatus = structs.AllocClientStatusRunning
alloc.DesiredTransition.Migrate = helper.BoolToPtr(true)
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Allocation{alloc}))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerAllocStop,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Ensure a single plan
require.Len(t, h.Plans, 1)
plan := h.Plans[0]
require.Contains(t, plan.NodeAllocation, node1.ID)
allocs := plan.NodeAllocation[node1.ID]
require.Len(t, allocs, 1)
}
// TestServiceSched_Migrate_CanaryStatus asserts that migrations/rescheduling
// of allocations use the proper versions of allocs rather than latest:
// Canaries should be replaced by canaries, and non-canaries should be replaced
// with the latest promoted version.
func TestServiceSched_Migrate_CanaryStatus(t *testing.T) {
h := NewHarness(t)
node1 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node1))
totalCount := 3
desiredCanaries := 1
job := mock.Job()
job.Stable = true
job.TaskGroups[0].Count = totalCount
job.TaskGroups[0].Update = &structs.UpdateStrategy{
MaxParallel: 1,
Canary: desiredCanaries,
}
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
deployment := &structs.Deployment{
ID: uuid.Generate(),
JobID: job.ID,
Namespace: job.Namespace,
JobVersion: job.Version,
JobModifyIndex: job.JobModifyIndex,
JobCreateIndex: job.CreateIndex,
TaskGroups: map[string]*structs.DeploymentState{
"web": {DesiredTotal: totalCount},
},
Status: structs.DeploymentStatusSuccessful,
StatusDescription: structs.DeploymentStatusDescriptionSuccessful,
}
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), deployment))
var allocs []*structs.Allocation
for i := 0; i < 3; i++ {
alloc := mock.AllocForNodeWithoutReservedPort(node1)
alloc.Job = job
alloc.JobID = job.ID
alloc.DeploymentID = deployment.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// new update with new task group
job2 := job.Copy()
job2.Stable = false
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Ensure a single plan
require.Len(t, h.Plans, 1)
plan := h.Plans[0]
// Ensure a deployment was created
require.NotNil(t, plan.Deployment)
updateDeployment := plan.Deployment.ID
// Check status first - should be 4 allocs, only one is canary
{
ws := memdb.NewWatchSet()
allocs, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, true)
require.NoError(t, err)
require.Len(t, allocs, 4)
sort.Slice(allocs, func(i, j int) bool { return allocs[i].CreateIndex < allocs[j].CreateIndex })
for _, a := range allocs[:3] {
require.Equal(t, structs.AllocDesiredStatusRun, a.DesiredStatus)
require.Equal(t, uint64(0), a.Job.Version)
require.False(t, a.DeploymentStatus.IsCanary())
require.Equal(t, node1.ID, a.NodeID)
require.Equal(t, deployment.ID, a.DeploymentID)
}
require.Equal(t, structs.AllocDesiredStatusRun, allocs[3].DesiredStatus)
require.Equal(t, uint64(1), allocs[3].Job.Version)
require.True(t, allocs[3].DeploymentStatus.Canary)
require.Equal(t, node1.ID, allocs[3].NodeID)
require.Equal(t, updateDeployment, allocs[3].DeploymentID)
}
// now, drain node1 and ensure all are migrated to node2
node1 = node1.Copy()
node1.Status = structs.NodeStatusDown
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node1))
node2 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node2))
neval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerNodeUpdate,
NodeID: node1.ID,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{neval}))
// Process the evaluation
err = h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// Now test that all node1 allocs are migrated while preserving Version and Canary info
{
// FIXME: This is a bug, we ought to reschedule canaries in this case but don't
rescheduleCanary := false
expectedMigrations := 3
if rescheduleCanary {
expectedMigrations++
}
ws := memdb.NewWatchSet()
allocs, err := h.State.AllocsByJob(ws, job.Namespace, job.ID, true)
require.NoError(t, err)
require.Len(t, allocs, 4+expectedMigrations)
nodeAllocs := map[string][]*structs.Allocation{}
for _, a := range allocs {
nodeAllocs[a.NodeID] = append(nodeAllocs[a.NodeID], a)
}
require.Len(t, nodeAllocs[node1.ID], 4)
for _, a := range nodeAllocs[node1.ID] {
require.Equal(t, structs.AllocDesiredStatusStop, a.DesiredStatus)
require.Equal(t, node1.ID, a.NodeID)
}
node2Allocs := nodeAllocs[node2.ID]
require.Len(t, node2Allocs, expectedMigrations)
sort.Slice(node2Allocs, func(i, j int) bool { return node2Allocs[i].Job.Version < node2Allocs[j].Job.Version })
for _, a := range node2Allocs[:3] {
require.Equal(t, structs.AllocDesiredStatusRun, a.DesiredStatus)
require.Equal(t, uint64(0), a.Job.Version)
require.Equal(t, node2.ID, a.NodeID)
require.Equal(t, deployment.ID, a.DeploymentID)
}
if rescheduleCanary {
require.Equal(t, structs.AllocDesiredStatusRun, node2Allocs[3].DesiredStatus)
require.Equal(t, uint64(1), node2Allocs[3].Job.Version)
require.Equal(t, node2.ID, node2Allocs[3].NodeID)
require.Equal(t, updateDeployment, node2Allocs[3].DeploymentID)
}
}
}
// TestDowngradedJobForPlacement_PicksTheLatest asserts that downgradedJobForPlacement
// picks the latest deployment that have either been marked as promoted or is considered
// non-destructive so it doesn't use canaries.
func TestDowngradedJobForPlacement_PicksTheLatest(t *testing.T) {
h := NewHarness(t)
// This test tests downgradedJobForPlacement directly to ease testing many different scenarios
// without invoking the full machinary of scheduling and updating deployment state tracking.
//
// It scafold the parts of scheduler and state stores so we can mimic the updates.
updates := []struct {
// Version of the job this update represent
version uint64
// whether this update is marked as promoted: Promoted is only true if the job
// update is a "destructive" update and has been updated manually
promoted bool
// requireCanaries indicate whether the job update requires placing canaries due to
// it being a destructive update compared to the latest promoted deployment.
requireCanaries bool
// the expected version for migrating a stable non-canary alloc after applying this update
expectedVersion uint64
}{
// always use latest promoted deployment
{1, true, true, 1},
{2, true, true, 2},
{3, true, true, 3},
// ignore most recent non promoted
{4, false, true, 3},
{5, false, true, 3},
{6, false, true, 3},
// use latest promoted after promotion
{7, true, true, 7},
// non destructive updates that don't require canaries and are treated as promoted
{8, false, false, 8},
}
job := mock.Job()
job.Version = 0
job.Stable = true
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
initDeployment := &structs.Deployment{
ID: uuid.Generate(),
JobID: job.ID,
Namespace: job.Namespace,
JobVersion: job.Version,
JobModifyIndex: job.JobModifyIndex,
JobCreateIndex: job.CreateIndex,
TaskGroups: map[string]*structs.DeploymentState{
"web": {
DesiredTotal: 1,
Promoted: true,
},
},
Status: structs.DeploymentStatusSuccessful,
StatusDescription: structs.DeploymentStatusDescriptionSuccessful,
}
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), initDeployment))
deploymentIDs := []string{initDeployment.ID}
for i, u := range updates {
t.Run(fmt.Sprintf("%d: %#+v", i, u), func(t *testing.T) {
t.Logf("case: %#+v", u)
nj := job.Copy()
nj.Version = u.version
nj.TaskGroups[0].Tasks[0].Env["version"] = fmt.Sprintf("%v", u.version)
nj.TaskGroups[0].Count = 1
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), nj))
desiredCanaries := 1
if !u.requireCanaries {
desiredCanaries = 0
}
deployment := &structs.Deployment{
ID: uuid.Generate(),
JobID: nj.ID,
Namespace: nj.Namespace,
JobVersion: nj.Version,
JobModifyIndex: nj.JobModifyIndex,
JobCreateIndex: nj.CreateIndex,
TaskGroups: map[string]*structs.DeploymentState{
"web": {
DesiredTotal: 1,
Promoted: u.promoted,
DesiredCanaries: desiredCanaries,
},
},
Status: structs.DeploymentStatusSuccessful,
StatusDescription: structs.DeploymentStatusDescriptionSuccessful,
}
require.NoError(t, h.State.UpsertDeployment(h.NextIndex(), deployment))
deploymentIDs = append(deploymentIDs, deployment.ID)
sched := h.Scheduler(NewServiceScheduler).(*GenericScheduler)
sched.job = nj
sched.deployment = deployment
placement := &allocPlaceResult{
taskGroup: nj.TaskGroups[0],
}
// Here, assert the downgraded job version
foundDeploymentID, foundJob, err := sched.downgradedJobForPlacement(placement)
require.NoError(t, err)
require.Equal(t, u.expectedVersion, foundJob.Version)
require.Equal(t, deploymentIDs[u.expectedVersion], foundDeploymentID)
})
}
}
// TestServiceSched_RunningWithNextAllocation asserts that if a running allocation has
// NextAllocation Set, the allocation is not ignored and will be stopped
func TestServiceSched_RunningWithNextAllocation(t *testing.T) {
h := NewHarness(t)
node1 := mock.Node()
require.NoError(t, h.State.UpsertNode(structs.MsgTypeTestSetup, h.NextIndex(), node1))
totalCount := 2
job := mock.Job()
job.Version = 0
job.Stable = true
job.TaskGroups[0].Count = totalCount
job.TaskGroups[0].Update = nil
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
var allocs []*structs.Allocation
for i := 0; i < totalCount+1; i++ {
alloc := mock.Alloc()
alloc.Job = job
alloc.JobID = job.ID
alloc.NodeID = node1.ID
alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
allocs = append(allocs, alloc)
}
// simulate a case where .NextAllocation is set but alloc is still running
allocs[2].PreviousAllocation = allocs[0].ID
allocs[0].NextAllocation = allocs[2].ID
require.NoError(t, h.State.UpsertAllocs(structs.MsgTypeTestSetup, h.NextIndex(), allocs))
// new update with new task group
job2 := job.Copy()
job2.Version = 1
job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.NoError(t, h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job2))
// Create a mock evaluation
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: 50,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(t, h.State.UpsertEvals(structs.MsgTypeTestSetup, h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation
err := h.Process(NewServiceScheduler, eval)
require.NoError(t, err)
// assert that all original allocations have been stopped
for _, alloc := range allocs {
updated, err := h.State.AllocByID(nil, alloc.ID)
require.NoError(t, err)
require.Equalf(t, structs.AllocDesiredStatusStop, updated.DesiredStatus, "alloc %v", alloc.ID)
}
// assert that the new job has proper allocations
jobAllocs, err := h.State.AllocsByJob(nil, job.Namespace, job.ID, true)
require.NoError(t, err)
require.Len(t, jobAllocs, 5)
allocsByVersion := map[uint64][]string{}
for _, alloc := range jobAllocs {
allocsByVersion[alloc.Job.Version] = append(allocsByVersion[alloc.Job.Version], alloc.ID)
}
require.Len(t, allocsByVersion[1], 2)
require.Len(t, allocsByVersion[0], 3)
}
func TestServiceSched_CSIVolumesPerAlloc(t *testing.T) {
h := NewHarness(t)
require := require.New(t)
// Create some nodes, each running the CSI plugin
for i := 0; i < 5; i++ {
node := mock.Node()
node.CSINodePlugins = map[string]*structs.CSIInfo{
"test-plugin": {
PluginID: "test-plugin",
Healthy: true,
NodeInfo: &structs.CSINodeInfo{MaxVolumes: 2},
},
}
require.NoError(h.State.UpsertNode(
structs.MsgTypeTestSetup, h.NextIndex(), node))
}
// create per-alloc volumes
vol0 := structs.NewCSIVolume("volume-unique[0]", 0)
vol0.PluginID = "test-plugin"
vol0.Namespace = structs.DefaultNamespace
vol0.AccessMode = structs.CSIVolumeAccessModeSingleNodeWriter
vol0.AttachmentMode = structs.CSIVolumeAttachmentModeFilesystem
vol1 := vol0.Copy()
vol1.ID = "volume-unique[1]"
vol2 := vol0.Copy()
vol2.ID = "volume-unique[2]"
// create shared volume
shared := vol0.Copy()
shared.ID = "volume-shared"
// TODO: this should cause a test failure, see GH-10157
// replace this value with structs.CSIVolumeAccessModeSingleNodeWriter
// once its been fixed
shared.AccessMode = structs.CSIVolumeAccessModeMultiNodeReader
require.NoError(h.State.CSIVolumeRegister(
h.NextIndex(), []*structs.CSIVolume{shared, vol0, vol1, vol2}))
// Create a job that uses both
job := mock.Job()
job.TaskGroups[0].Count = 3
job.TaskGroups[0].Volumes = map[string]*structs.VolumeRequest{
"shared": {
Type: "csi",
Name: "shared",
Source: "volume-shared",
ReadOnly: true,
},
"unique": {
Type: "csi",
Name: "unique",
Source: "volume-unique",
PerAlloc: true,
},
}
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
Priority: job.Priority,
TriggeredBy: structs.EvalTriggerJobRegister,
JobID: job.ID,
Status: structs.EvalStatusPending,
}
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup,
h.NextIndex(), []*structs.Evaluation{eval}))
// Process the evaluation and expect a single plan without annotations
err := h.Process(NewServiceScheduler, eval)
require.NoError(err)
require.Len(h.Plans, 1, "expected one plan")
require.Nil(h.Plans[0].Annotations, "expected no annotations")
// Expect the eval has not spawned a blocked eval
require.Equal(len(h.CreateEvals), 0)
require.Equal("", h.Evals[0].BlockedEval, "did not expect a blocked eval")
require.Equal(structs.EvalStatusComplete, h.Evals[0].Status)
// Ensure the plan allocated and we got expected placements
var planned []*structs.Allocation
for _, allocList := range h.Plans[0].NodeAllocation {
planned = append(planned, allocList...)
}
require.Len(planned, 3, "expected 3 planned allocations")
out, err := h.State.AllocsByJob(nil, job.Namespace, job.ID, false)
require.NoError(err)
require.Len(out, 3, "expected 3 placed allocations")
// Allocations don't have references to the actual volumes assigned, but
// because we set a max of 2 volumes per Node plugin, we can verify that
// they've been properly scheduled by making sure they're all on separate
// clients.
seen := map[string]struct{}{}
for _, alloc := range out {
_, ok := seen[alloc.NodeID]
require.False(ok, "allocations should be scheduled to separate nodes")
seen[alloc.NodeID] = struct{}{}
}
// Update the job to 5 instances
job.TaskGroups[0].Count = 5
require.NoError(h.State.UpsertJob(structs.MsgTypeTestSetup, h.NextIndex(), job))
// Create a new eval and process it. It should not create a new plan.
eval.ID = uuid.Generate()
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup,
h.NextIndex(), []*structs.Evaluation{eval}))
err = h.Process(NewServiceScheduler, eval)
require.NoError(err)
require.Len(h.Plans, 1, "expected one plan")
// Expect the eval to have failed
require.NotEqual("", h.Evals[1].BlockedEval,
"expected a blocked eval to be spawned")
require.Equal(2, h.Evals[1].QueuedAllocations["web"], "expected 2 queued allocs")
require.Equal(1, h.Evals[1].FailedTGAllocs["web"].
ConstraintFiltered["missing CSI Volume volume-unique[3]"])
// Upsert 2 more per-alloc volumes
vol4 := vol0.Copy()
vol4.ID = "volume-unique[3]"
vol5 := vol0.Copy()
vol5.ID = "volume-unique[4]"
require.NoError(h.State.CSIVolumeRegister(
h.NextIndex(), []*structs.CSIVolume{vol4, vol5}))
// Process again with failure fixed. It should create a new plan
eval.ID = uuid.Generate()
require.NoError(h.State.UpsertEvals(structs.MsgTypeTestSetup,
h.NextIndex(), []*structs.Evaluation{eval}))
err = h.Process(NewServiceScheduler, eval)
require.NoError(err)
require.Len(h.Plans, 2, "expected two plans")
require.Nil(h.Plans[1].Annotations, "expected no annotations")
require.Equal("", h.Evals[2].BlockedEval, "did not expect a blocked eval")
require.Len(h.Evals[2].FailedTGAllocs, 0)
// Ensure the plan allocated and we got expected placements
planned = []*structs.Allocation{}
for _, allocList := range h.Plans[1].NodeAllocation {
planned = append(planned, allocList...)
}
require.Len(planned, 2, "expected 2 new planned allocations")
out, err = h.State.AllocsByJob(nil, job.Namespace, job.ID, false)
require.NoError(err)
require.Len(out, 5, "expected 5 placed allocations total")
// Make sure they're still all on seperate clients
seen = map[string]struct{}{}
for _, alloc := range out {
_, ok := seen[alloc.NodeID]
require.False(ok, "allocations should be scheduled to separate nodes")
seen[alloc.NodeID] = struct{}{}
}
}
// TestPropagateTaskState asserts that propagateTaskState only copies state
// when the previous allocation is lost or draining.
func TestPropagateTaskState(t *testing.T) {
t.Parallel()
const taskName = "web"
taskHandle := &structs.TaskHandle{
Version: 1,
DriverState: []byte("driver-state"),
}
cases := []struct {
name string
prevAlloc *structs.Allocation
prevLost bool
copied bool
}{
{
name: "LostWithState",
prevAlloc: &structs.Allocation{
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{},
TaskStates: map[string]*structs.TaskState{
taskName: {
TaskHandle: taskHandle,
},
},
},
prevLost: true,
copied: true,
},
{
name: "DrainedWithState",
prevAlloc: &structs.Allocation{
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{
Migrate: helper.BoolToPtr(true),
},
TaskStates: map[string]*structs.TaskState{
taskName: {
TaskHandle: taskHandle,
},
},
},
prevLost: false,
copied: true,
},
{
name: "LostWithoutState",
prevAlloc: &structs.Allocation{
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{},
TaskStates: map[string]*structs.TaskState{
taskName: {},
},
},
prevLost: true,
copied: false,
},
{
name: "DrainedWithoutState",
prevAlloc: &structs.Allocation{
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{
Migrate: helper.BoolToPtr(true),
},
TaskStates: map[string]*structs.TaskState{
taskName: {},
},
},
prevLost: false,
copied: false,
},
{
name: "TerminalWithState",
prevAlloc: &structs.Allocation{
ClientStatus: structs.AllocClientStatusComplete,
DesiredTransition: structs.DesiredTransition{},
TaskStates: map[string]*structs.TaskState{
taskName: {
TaskHandle: taskHandle,
},
},
},
prevLost: false,
copied: false,
},
}
for i := range cases {
tc := cases[i]
t.Run(tc.name, func(t *testing.T) {
newAlloc := &structs.Allocation{
// Required by propagateTaskState and populated
// by the scheduler's node iterator.
AllocatedResources: &structs.AllocatedResources{
Tasks: map[string]*structs.AllocatedTaskResources{
taskName: nil, // value isn't used
},
},
}
propagateTaskState(newAlloc, tc.prevAlloc, tc.prevLost)
if tc.copied {
// Assert state was copied
require.NotNil(t, newAlloc.TaskStates)
require.Contains(t, newAlloc.TaskStates, taskName)
require.Equal(t, taskHandle, newAlloc.TaskStates[taskName].TaskHandle)
} else {
// Assert state was *not* copied
require.Empty(t, newAlloc.TaskStates,
"expected task states not to be copied")
}
})
}
}
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