open-nomad/scheduler/util_test.go
2019-11-07 22:39:47 +00:00

998 lines
28 KiB
Go

package scheduler
import (
"fmt"
"reflect"
"testing"
"github.com/stretchr/testify/require"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/helper/testlog"
"github.com/hashicorp/nomad/helper/uuid"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/state"
"github.com/hashicorp/nomad/nomad/structs"
)
// noErr is used to assert there are no errors
func noErr(t *testing.T, err error) {
if err != nil {
t.Fatalf("err: %v", err)
}
}
func TestMaterializeTaskGroups(t *testing.T) {
job := mock.Job()
index := materializeTaskGroups(job)
require.Equal(t, 10, len(index))
for i := 0; i < 10; i++ {
name := fmt.Sprintf("my-job.web[%d]", i)
require.Contains(t, index, name)
require.Equal(t, job.TaskGroups[0], index[name])
}
}
func TestDiffAllocs(t *testing.T) {
job := mock.Job()
required := materializeTaskGroups(job)
// The "old" job has a previous modify index
oldJob := new(structs.Job)
*oldJob = *job
oldJob.JobModifyIndex -= 1
drainNode := mock.Node()
drainNode.Drain = true
deadNode := mock.Node()
deadNode.Status = structs.NodeStatusDown
tainted := map[string]*structs.Node{
"dead": deadNode,
"drainNode": drainNode,
}
allocs := []*structs.Allocation{
// Update the 1st
{
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[0]",
Job: oldJob,
},
// Ignore the 2rd
{
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[1]",
Job: job,
},
// Evict 11th
{
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[10]",
Job: oldJob,
},
// Migrate the 3rd
{
ID: uuid.Generate(),
NodeID: "drainNode",
Name: "my-job.web[2]",
Job: oldJob,
DesiredTransition: structs.DesiredTransition{
Migrate: helper.BoolToPtr(true),
},
},
// Mark the 4th lost
{
ID: uuid.Generate(),
NodeID: "dead",
Name: "my-job.web[3]",
Job: oldJob,
},
}
// Have three terminal allocs
terminalAllocs := map[string]*structs.Allocation{
"my-job.web[4]": {
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[4]",
Job: job,
},
"my-job.web[5]": {
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[5]",
Job: job,
},
"my-job.web[6]": {
ID: uuid.Generate(),
NodeID: "zip",
Name: "my-job.web[6]",
Job: job,
},
}
diff := diffAllocs(job, tainted, required, allocs, terminalAllocs)
place := diff.place
update := diff.update
migrate := diff.migrate
stop := diff.stop
ignore := diff.ignore
lost := diff.lost
// We should update the first alloc
require.True(t, len(update) == 1 && update[0].Alloc == allocs[0])
// We should ignore the second alloc
require.True(t, len(ignore) == 1 && ignore[0].Alloc == allocs[1])
// We should stop the 3rd alloc
require.True(t, len(stop) == 1 && stop[0].Alloc == allocs[2])
// We should migrate the 4rd alloc
require.True(t, len(migrate) == 1 && migrate[0].Alloc == allocs[3])
// We should mark the 5th alloc as lost
require.True(t, len(lost) == 1 && lost[0].Alloc == allocs[4])
// We should place 6
require.Equal(t, 6, len(place))
// Ensure that the allocations which are replacements of terminal allocs are
// annotated
for name, alloc := range terminalAllocs {
for _, allocTuple := range diff.place {
if name == allocTuple.Name {
require.True(t, reflect.DeepEqual(alloc, allocTuple.Alloc),
"expected: %#v, actual: %#v", alloc, allocTuple.Alloc)
}
}
}
}
func TestDiffSystemAllocs(t *testing.T) {
job := mock.SystemJob()
drainNode := mock.Node()
drainNode.Drain = true
deadNode := mock.Node()
deadNode.Status = structs.NodeStatusDown
tainted := map[string]*structs.Node{
deadNode.ID: deadNode,
drainNode.ID: drainNode,
}
// Create three alive nodes.
nodes := []*structs.Node{{ID: "foo"}, {ID: "bar"}, {ID: "baz"},
{ID: "pipe"}, {ID: drainNode.ID}, {ID: deadNode.ID}}
// The "old" job has a previous modify index
oldJob := new(structs.Job)
*oldJob = *job
oldJob.JobModifyIndex -= 1
allocs := []*structs.Allocation{
// Update allocation on baz
{
ID: uuid.Generate(),
NodeID: "baz",
Name: "my-job.web[0]",
Job: oldJob,
},
// Ignore allocation on bar
{
ID: uuid.Generate(),
NodeID: "bar",
Name: "my-job.web[0]",
Job: job,
},
// Stop allocation on draining node.
{
ID: uuid.Generate(),
NodeID: drainNode.ID,
Name: "my-job.web[0]",
Job: oldJob,
DesiredTransition: structs.DesiredTransition{
Migrate: helper.BoolToPtr(true),
},
},
// Mark as lost on a dead node
{
ID: uuid.Generate(),
NodeID: deadNode.ID,
Name: "my-job.web[0]",
Job: oldJob,
},
}
// Have three terminal allocs
terminalAllocs := map[string]*structs.Allocation{
"my-job.web[0]": {
ID: uuid.Generate(),
NodeID: "pipe",
Name: "my-job.web[0]",
Job: job,
},
}
diff := diffSystemAllocs(job, nodes, tainted, allocs, terminalAllocs)
place := diff.place
update := diff.update
migrate := diff.migrate
stop := diff.stop
ignore := diff.ignore
lost := diff.lost
// We should update the first alloc
require.True(t, len(update) == 1 && update[0].Alloc == allocs[0])
// We should ignore the second alloc
require.True(t, len(ignore) == 1 && ignore[0].Alloc == allocs[1])
// We should stop the third alloc
require.Empty(t, stop)
// There should be no migrates.
require.True(t, len(migrate) == 1 && migrate[0].Alloc == allocs[2])
// We should mark the 5th alloc as lost
require.True(t, len(lost) == 1 && lost[0].Alloc == allocs[3])
// We should place 1
require.Equal(t, 2, len(place))
// Ensure that the allocations which are replacements of terminal allocs are
// annotated
for _, alloc := range terminalAllocs {
for _, allocTuple := range diff.place {
if alloc.NodeID == allocTuple.Alloc.NodeID {
require.True(t, reflect.DeepEqual(alloc, allocTuple.Alloc),
"expected: %#v, actual: %#v", alloc, allocTuple.Alloc)
}
}
}
}
func TestReadyNodesInDCs(t *testing.T) {
state := state.TestStateStore(t)
node1 := mock.Node()
node2 := mock.Node()
node2.Datacenter = "dc2"
node3 := mock.Node()
node3.Datacenter = "dc2"
node3.Status = structs.NodeStatusDown
node4 := mock.Node()
node4.Drain = true
require.NoError(t, state.UpsertNode(1000, node1))
require.NoError(t, state.UpsertNode(1001, node2))
require.NoError(t, state.UpsertNode(1002, node3))
require.NoError(t, state.UpsertNode(1003, node4))
nodes, dc, err := readyNodesInDCs(state, []string{"dc1", "dc2"})
require.NoError(t, err)
require.Equal(t, 2, len(nodes))
require.True(t, nodes[0].ID != node3.ID && nodes[1].ID != node3.ID)
require.Contains(t, dc, "dc1")
require.Equal(t, 1, dc["dc1"])
require.Contains(t, dc, "dc2")
require.Equal(t, 1, dc["dc2"])
}
func TestRetryMax(t *testing.T) {
calls := 0
bad := func() (bool, error) {
calls += 1
return false, nil
}
err := retryMax(3, bad, nil)
require.Error(t, err)
require.Equal(t, 3, calls, "mis match")
calls = 0
first := true
reset := func() bool {
if calls == 3 && first {
first = false
return true
}
return false
}
err = retryMax(3, bad, reset)
require.Error(t, err)
require.Equal(t, 6, calls, "mis match")
calls = 0
good := func() (bool, error) {
calls += 1
return true, nil
}
err = retryMax(3, good, nil)
require.NoError(t, err)
require.Equal(t, 1, calls, "mis match")
}
func TestTaintedNodes(t *testing.T) {
state := state.TestStateStore(t)
node1 := mock.Node()
node2 := mock.Node()
node2.Datacenter = "dc2"
node3 := mock.Node()
node3.Datacenter = "dc2"
node3.Status = structs.NodeStatusDown
node4 := mock.Node()
node4.Drain = true
require.NoError(t, state.UpsertNode(1000, node1))
require.NoError(t, state.UpsertNode(1001, node2))
require.NoError(t, state.UpsertNode(1002, node3))
require.NoError(t, state.UpsertNode(1003, node4))
allocs := []*structs.Allocation{
{NodeID: node1.ID},
{NodeID: node2.ID},
{NodeID: node3.ID},
{NodeID: node4.ID},
{NodeID: "12345678-abcd-efab-cdef-123456789abc"},
}
tainted, err := taintedNodes(state, allocs)
require.NoError(t, err)
require.Equal(t, 3, len(tainted))
require.NotContains(t, tainted, node1.ID)
require.NotContains(t, tainted, node2.ID)
require.Contains(t, tainted, node3.ID)
require.NotNil(t, tainted[node3.ID])
require.Contains(t, tainted, node4.ID)
require.NotNil(t, tainted[node4.ID])
require.Contains(t, tainted, "12345678-abcd-efab-cdef-123456789abc")
require.Nil(t, tainted["12345678-abcd-efab-cdef-123456789abc"])
}
func TestShuffleNodes(t *testing.T) {
// Use a large number of nodes to make the probability of shuffling to the
// original order very low.
nodes := []*structs.Node{
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
mock.Node(),
}
orig := make([]*structs.Node, len(nodes))
copy(orig, nodes)
shuffleNodes(nodes)
require.False(t, reflect.DeepEqual(nodes, orig))
}
func TestTasksUpdated(t *testing.T) {
j1 := mock.Job()
j2 := mock.Job()
name := j1.TaskGroups[0].Name
require.False(t, tasksUpdated(j1, j2, name))
j2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
require.True(t, tasksUpdated(j1, j2, name))
j3 := mock.Job()
j3.TaskGroups[0].Tasks[0].Name = "foo"
require.True(t, tasksUpdated(j1, j3, name))
j4 := mock.Job()
j4.TaskGroups[0].Tasks[0].Driver = "foo"
require.True(t, tasksUpdated(j1, j4, name))
j5 := mock.Job()
j5.TaskGroups[0].Tasks = append(j5.TaskGroups[0].Tasks,
j5.TaskGroups[0].Tasks[0])
require.True(t, tasksUpdated(j1, j5, name))
j6 := mock.Job()
j6.TaskGroups[0].Tasks[0].Resources.Networks[0].DynamicPorts = []structs.Port{
{Label: "http", Value: 0},
{Label: "https", Value: 0},
{Label: "admin", Value: 0},
}
require.True(t, tasksUpdated(j1, j6, name))
j7 := mock.Job()
j7.TaskGroups[0].Tasks[0].Env["NEW_ENV"] = "NEW_VALUE"
require.True(t, tasksUpdated(j1, j7, name))
j8 := mock.Job()
j8.TaskGroups[0].Tasks[0].User = "foo"
require.True(t, tasksUpdated(j1, j8, name))
j9 := mock.Job()
j9.TaskGroups[0].Tasks[0].Artifacts = []*structs.TaskArtifact{
{
GetterSource: "http://foo.com/bar",
},
}
require.True(t, tasksUpdated(j1, j9, name))
j10 := mock.Job()
j10.TaskGroups[0].Tasks[0].Meta["baz"] = "boom"
require.True(t, tasksUpdated(j1, j10, name))
j11 := mock.Job()
j11.TaskGroups[0].Tasks[0].Resources.CPU = 1337
require.True(t, tasksUpdated(j1, j11, name))
j11d1 := mock.Job()
j11d1.TaskGroups[0].Tasks[0].Resources.Devices = structs.ResourceDevices{
&structs.RequestedDevice{
Name: "gpu",
Count: 1,
},
}
j11d2 := mock.Job()
j11d2.TaskGroups[0].Tasks[0].Resources.Devices = structs.ResourceDevices{
&structs.RequestedDevice{
Name: "gpu",
Count: 2,
},
}
require.True(t, tasksUpdated(j11d1, j11d2, name))
j12 := mock.Job()
j12.TaskGroups[0].Tasks[0].Resources.Networks[0].MBits = 100
require.True(t, tasksUpdated(j1, j12, name))
j13 := mock.Job()
j13.TaskGroups[0].Tasks[0].Resources.Networks[0].DynamicPorts[0].Label = "foobar"
require.True(t, tasksUpdated(j1, j13, name))
j14 := mock.Job()
j14.TaskGroups[0].Tasks[0].Resources.Networks[0].ReservedPorts = []structs.Port{{Label: "foo", Value: 1312}}
require.True(t, tasksUpdated(j1, j14, name))
j15 := mock.Job()
j15.TaskGroups[0].Tasks[0].Vault = &structs.Vault{Policies: []string{"foo"}}
require.True(t, tasksUpdated(j1, j15, name))
j16 := mock.Job()
j16.TaskGroups[0].EphemeralDisk.Sticky = true
require.True(t, tasksUpdated(j1, j16, name))
// Change group meta
j17 := mock.Job()
j17.TaskGroups[0].Meta["j17_test"] = "roll_baby_roll"
require.True(t, tasksUpdated(j1, j17, name))
// Change job meta
j18 := mock.Job()
j18.Meta["j18_test"] = "roll_baby_roll"
require.True(t, tasksUpdated(j1, j18, name))
}
func TestEvictAndPlace_LimitLessThanAllocs(t *testing.T) {
_, ctx := testContext(t)
allocs := []allocTuple{
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
}
diff := &diffResult{}
limit := 2
require.True(t, evictAndPlace(ctx, diff, allocs, "", &limit), "evictAndReplace() should have returned true")
require.Zero(t, limit, "evictAndReplace() should decremented limit; got %v; want 0", limit)
require.Equal(t, 2, len(diff.place), "evictAndReplace() didn't insert into diffResult properly: %v", diff.place)
}
func TestEvictAndPlace_LimitEqualToAllocs(t *testing.T) {
_, ctx := testContext(t)
allocs := []allocTuple{
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
}
diff := &diffResult{}
limit := 4
require.False(t, evictAndPlace(ctx, diff, allocs, "", &limit), "evictAndReplace() should have returned false")
require.Zero(t, limit, "evictAndReplace() should decremented limit; got %v; want 0", limit)
require.Equal(t, 4, len(diff.place), "evictAndReplace() didn't insert into diffResult properly: %v", diff.place)
}
func TestSetStatus(t *testing.T) {
h := NewHarness(t)
logger := testlog.HCLogger(t)
eval := mock.Eval()
status := "a"
desc := "b"
require.NoError(t, setStatus(logger, h, eval, nil, nil, nil, status, desc, nil, ""))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval := h.Evals[0]
require.True(t, newEval.ID == eval.ID && newEval.Status == status && newEval.StatusDescription == desc,
"setStatus() submited invalid eval: %v", newEval)
// Test next evals
h = NewHarness(t)
next := mock.Eval()
require.NoError(t, setStatus(logger, h, eval, next, nil, nil, status, desc, nil, ""))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval = h.Evals[0]
require.Equal(t, next.ID, newEval.NextEval, "setStatus() didn't set nextEval correctly: %v", newEval)
// Test blocked evals
h = NewHarness(t)
blocked := mock.Eval()
require.NoError(t, setStatus(logger, h, eval, nil, blocked, nil, status, desc, nil, ""))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval = h.Evals[0]
require.Equal(t, blocked.ID, newEval.BlockedEval, "setStatus() didn't set BlockedEval correctly: %v", newEval)
// Test metrics
h = NewHarness(t)
metrics := map[string]*structs.AllocMetric{"foo": nil}
require.NoError(t, setStatus(logger, h, eval, nil, nil, metrics, status, desc, nil, ""))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval = h.Evals[0]
require.True(t, reflect.DeepEqual(newEval.FailedTGAllocs, metrics),
"setStatus() didn't set failed task group metrics correctly: %v", newEval)
// Test queued allocations
h = NewHarness(t)
queuedAllocs := map[string]int{"web": 1}
require.NoError(t, setStatus(logger, h, eval, nil, nil, metrics, status, desc, queuedAllocs, ""))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval = h.Evals[0]
require.True(t, reflect.DeepEqual(newEval.QueuedAllocations, queuedAllocs), "setStatus() didn't set failed task group metrics correctly: %v", newEval)
h = NewHarness(t)
dID := uuid.Generate()
require.NoError(t, setStatus(logger, h, eval, nil, nil, metrics, status, desc, queuedAllocs, dID))
require.Equal(t, 1, len(h.Evals), "setStatus() didn't update plan: %v", h.Evals)
newEval = h.Evals[0]
require.Equal(t, dID, newEval.DeploymentID, "setStatus() didn't set deployment id correctly: %v", newEval)
}
func TestInplaceUpdate_ChangedTaskGroup(t *testing.T) {
state, ctx := testContext(t)
eval := mock.Eval()
job := mock.Job()
node := mock.Node()
require.NoError(t, state.UpsertNode(900, node))
// Register an alloc
alloc := &structs.Allocation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
EvalID: eval.ID,
NodeID: node.ID,
JobID: job.ID,
Job: job,
AllocatedResources: &structs.AllocatedResources{
Tasks: map[string]*structs.AllocatedTaskResources{
"web": {
Cpu: structs.AllocatedCpuResources{
CpuShares: 2048,
},
Memory: structs.AllocatedMemoryResources{
MemoryMB: 2048,
},
},
},
},
DesiredStatus: structs.AllocDesiredStatusRun,
TaskGroup: "web",
}
alloc.TaskResources = map[string]*structs.Resources{"web": alloc.Resources}
require.NoError(t, state.UpsertJobSummary(1000, mock.JobSummary(alloc.JobID)))
require.NoError(t, state.UpsertAllocs(1001, []*structs.Allocation{alloc}))
// Create a new task group that prevents in-place updates.
tg := &structs.TaskGroup{}
*tg = *job.TaskGroups[0]
task := &structs.Task{
Name: "FOO",
Resources: &structs.Resources{},
}
tg.Tasks = nil
tg.Tasks = append(tg.Tasks, task)
updates := []allocTuple{{Alloc: alloc, TaskGroup: tg}}
stack := NewGenericStack(false, ctx)
// Do the inplace update.
unplaced, inplace := inplaceUpdate(ctx, eval, job, stack, updates)
require.True(t, len(unplaced) == 1 && len(inplace) == 0, "inplaceUpdate incorrectly did an inplace update")
require.Empty(t, ctx.plan.NodeAllocation, "inplaceUpdate incorrectly did an inplace update")
}
func TestInplaceUpdate_NoMatch(t *testing.T) {
state, ctx := testContext(t)
eval := mock.Eval()
job := mock.Job()
node := mock.Node()
require.NoError(t, state.UpsertNode(900, node))
// Register an alloc
alloc := &structs.Allocation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
EvalID: eval.ID,
NodeID: node.ID,
JobID: job.ID,
Job: job,
AllocatedResources: &structs.AllocatedResources{
Tasks: map[string]*structs.AllocatedTaskResources{
"web": {
Cpu: structs.AllocatedCpuResources{
CpuShares: 2048,
},
Memory: structs.AllocatedMemoryResources{
MemoryMB: 2048,
},
},
},
},
DesiredStatus: structs.AllocDesiredStatusRun,
TaskGroup: "web",
}
alloc.TaskResources = map[string]*structs.Resources{"web": alloc.Resources}
require.NoError(t, state.UpsertJobSummary(1000, mock.JobSummary(alloc.JobID)))
require.NoError(t, state.UpsertAllocs(1001, []*structs.Allocation{alloc}))
// Create a new task group that requires too much resources.
tg := &structs.TaskGroup{}
*tg = *job.TaskGroups[0]
resource := &structs.Resources{CPU: 9999}
tg.Tasks[0].Resources = resource
updates := []allocTuple{{Alloc: alloc, TaskGroup: tg}}
stack := NewGenericStack(false, ctx)
// Do the inplace update.
unplaced, inplace := inplaceUpdate(ctx, eval, job, stack, updates)
require.True(t, len(unplaced) == 1 && len(inplace) == 0, "inplaceUpdate incorrectly did an inplace update")
require.Empty(t, ctx.plan.NodeAllocation, "inplaceUpdate incorrectly did an inplace update")
}
func TestInplaceUpdate_Success(t *testing.T) {
state, ctx := testContext(t)
eval := mock.Eval()
job := mock.Job()
node := mock.Node()
require.NoError(t, state.UpsertNode(900, node))
// Register an alloc
alloc := &structs.Allocation{
Namespace: structs.DefaultNamespace,
ID: uuid.Generate(),
EvalID: eval.ID,
NodeID: node.ID,
JobID: job.ID,
Job: job,
TaskGroup: job.TaskGroups[0].Name,
AllocatedResources: &structs.AllocatedResources{
Tasks: map[string]*structs.AllocatedTaskResources{
"web": {
Cpu: structs.AllocatedCpuResources{
CpuShares: 2048,
},
Memory: structs.AllocatedMemoryResources{
MemoryMB: 2048,
},
},
},
},
DesiredStatus: structs.AllocDesiredStatusRun,
}
alloc.TaskResources = map[string]*structs.Resources{"web": alloc.Resources}
require.NoError(t, state.UpsertJobSummary(999, mock.JobSummary(alloc.JobID)))
require.NoError(t, state.UpsertAllocs(1001, []*structs.Allocation{alloc}))
// Create a new task group that updates the resources.
tg := &structs.TaskGroup{}
*tg = *job.TaskGroups[0]
resource := &structs.Resources{CPU: 737}
tg.Tasks[0].Resources = resource
newServices := []*structs.Service{
{
Name: "dummy-service",
PortLabel: "http",
},
{
Name: "dummy-service2",
PortLabel: "http",
},
}
// Delete service 2
tg.Tasks[0].Services = tg.Tasks[0].Services[:1]
// Add the new services
tg.Tasks[0].Services = append(tg.Tasks[0].Services, newServices...)
updates := []allocTuple{{Alloc: alloc, TaskGroup: tg}}
stack := NewGenericStack(false, ctx)
stack.SetJob(job)
// Do the inplace update.
unplaced, inplace := inplaceUpdate(ctx, eval, job, stack, updates)
require.True(t, len(unplaced) == 0 && len(inplace) == 1, "inplaceUpdate did not do an inplace update")
require.Equal(t, 1, len(ctx.plan.NodeAllocation), "inplaceUpdate did not do an inplace update")
require.Equal(t, alloc.ID, inplace[0].Alloc.ID, "inplaceUpdate returned the wrong, inplace updated alloc: %#v", inplace)
// Get the alloc we inserted.
a := inplace[0].Alloc // TODO(sean@): Verify this is correct vs: ctx.plan.NodeAllocation[alloc.NodeID][0]
require.NotNil(t, a.Job)
require.Equal(t, 1, len(a.Job.TaskGroups))
require.Equal(t, 1, len(a.Job.TaskGroups[0].Tasks))
require.Equal(t, 3, len(a.Job.TaskGroups[0].Tasks[0].Services),
"Expected number of services: %v, Actual: %v", 3, len(a.Job.TaskGroups[0].Tasks[0].Services))
serviceNames := make(map[string]struct{}, 3)
for _, consulService := range a.Job.TaskGroups[0].Tasks[0].Services {
serviceNames[consulService.Name] = struct{}{}
}
require.Equal(t, 3, len(serviceNames))
for _, name := range []string{"dummy-service", "dummy-service2", "web-frontend"} {
if _, found := serviceNames[name]; !found {
t.Errorf("Expected consul service name missing: %v", name)
}
}
}
func TestEvictAndPlace_LimitGreaterThanAllocs(t *testing.T) {
_, ctx := testContext(t)
allocs := []allocTuple{
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
{Alloc: &structs.Allocation{ID: uuid.Generate()}},
}
diff := &diffResult{}
limit := 6
require.False(t, evictAndPlace(ctx, diff, allocs, "", &limit))
require.Equal(t, 2, limit, "evictAndReplace() should decremented limit")
require.Equal(t, 4, len(diff.place), "evictAndReplace() didn't insert into diffResult properly: %v", diff.place)
}
func TestTaskGroupConstraints(t *testing.T) {
constr := &structs.Constraint{RTarget: "bar"}
constr2 := &structs.Constraint{LTarget: "foo"}
constr3 := &structs.Constraint{Operand: "<"}
tg := &structs.TaskGroup{
Name: "web",
Count: 10,
Constraints: []*structs.Constraint{constr},
EphemeralDisk: &structs.EphemeralDisk{},
Tasks: []*structs.Task{
{
Driver: "exec",
Resources: &structs.Resources{
CPU: 500,
MemoryMB: 256,
},
Constraints: []*structs.Constraint{constr2},
},
{
Driver: "docker",
Resources: &structs.Resources{
CPU: 500,
MemoryMB: 256,
},
Constraints: []*structs.Constraint{constr3},
},
},
}
// Build the expected values.
expConstr := []*structs.Constraint{constr, constr2, constr3}
expDrivers := map[string]struct{}{"exec": {}, "docker": {}}
actConstrains := taskGroupConstraints(tg)
require.True(t, reflect.DeepEqual(actConstrains.constraints, expConstr),
"taskGroupConstraints(%v) returned %v; want %v", tg, actConstrains.constraints, expConstr)
require.True(t, reflect.DeepEqual(actConstrains.drivers, expDrivers),
"taskGroupConstraints(%v) returned %v; want %v", tg, actConstrains.drivers, expDrivers)
}
func TestProgressMade(t *testing.T) {
noopPlan := &structs.PlanResult{}
require.False(t, progressMade(nil) || progressMade(noopPlan), "no progress plan marked as making progress")
m := map[string][]*structs.Allocation{
"foo": {mock.Alloc()},
}
both := &structs.PlanResult{
NodeAllocation: m,
NodeUpdate: m,
}
update := &structs.PlanResult{NodeUpdate: m}
alloc := &structs.PlanResult{NodeAllocation: m}
deployment := &structs.PlanResult{Deployment: mock.Deployment()}
deploymentUpdates := &structs.PlanResult{
DeploymentUpdates: []*structs.DeploymentStatusUpdate{
{DeploymentID: uuid.Generate()},
},
}
require.True(t, progressMade(both) && progressMade(update) && progressMade(alloc) &&
progressMade(deployment) && progressMade(deploymentUpdates))
}
func TestDesiredUpdates(t *testing.T) {
tg1 := &structs.TaskGroup{Name: "foo"}
tg2 := &structs.TaskGroup{Name: "bar"}
a2 := &structs.Allocation{TaskGroup: "bar"}
place := []allocTuple{
{TaskGroup: tg1},
{TaskGroup: tg1},
{TaskGroup: tg1},
{TaskGroup: tg2},
}
stop := []allocTuple{
{TaskGroup: tg2, Alloc: a2},
{TaskGroup: tg2, Alloc: a2},
}
ignore := []allocTuple{
{TaskGroup: tg1},
}
migrate := []allocTuple{
{TaskGroup: tg2},
}
inplace := []allocTuple{
{TaskGroup: tg1},
{TaskGroup: tg1},
}
destructive := []allocTuple{
{TaskGroup: tg1},
{TaskGroup: tg2},
{TaskGroup: tg2},
}
diff := &diffResult{
place: place,
stop: stop,
ignore: ignore,
migrate: migrate,
}
expected := map[string]*structs.DesiredUpdates{
"foo": {
Place: 3,
Ignore: 1,
InPlaceUpdate: 2,
DestructiveUpdate: 1,
},
"bar": {
Place: 1,
Stop: 2,
Migrate: 1,
DestructiveUpdate: 2,
},
}
desired := desiredUpdates(diff, inplace, destructive)
require.True(t, reflect.DeepEqual(desired, expected), "desiredUpdates() returned %#v; want %#v", desired, expected)
}
func TestUtil_AdjustQueuedAllocations(t *testing.T) {
logger := testlog.HCLogger(t)
alloc1 := mock.Alloc()
alloc2 := mock.Alloc()
alloc2.CreateIndex = 4
alloc2.ModifyIndex = 4
alloc3 := mock.Alloc()
alloc3.CreateIndex = 3
alloc3.ModifyIndex = 5
alloc4 := mock.Alloc()
alloc4.CreateIndex = 6
alloc4.ModifyIndex = 8
planResult := structs.PlanResult{
NodeUpdate: map[string][]*structs.Allocation{
"node-1": {alloc1},
},
NodeAllocation: map[string][]*structs.Allocation{
"node-1": {
alloc2,
},
"node-2": {
alloc3, alloc4,
},
},
RefreshIndex: 3,
AllocIndex: 16, // Should not be considered
}
queuedAllocs := map[string]int{"web": 2}
adjustQueuedAllocations(logger, &planResult, queuedAllocs)
require.Equal(t, 1, queuedAllocs["web"])
}
func TestUtil_UpdateNonTerminalAllocsToLost(t *testing.T) {
node := mock.Node()
node.Status = structs.NodeStatusDown
alloc1 := mock.Alloc()
alloc1.NodeID = node.ID
alloc1.DesiredStatus = structs.AllocDesiredStatusStop
alloc2 := mock.Alloc()
alloc2.NodeID = node.ID
alloc2.DesiredStatus = structs.AllocDesiredStatusStop
alloc2.ClientStatus = structs.AllocClientStatusRunning
alloc3 := mock.Alloc()
alloc3.NodeID = node.ID
alloc3.DesiredStatus = structs.AllocDesiredStatusStop
alloc3.ClientStatus = structs.AllocClientStatusComplete
alloc4 := mock.Alloc()
alloc4.NodeID = node.ID
alloc4.DesiredStatus = structs.AllocDesiredStatusStop
alloc4.ClientStatus = structs.AllocClientStatusFailed
allocs := []*structs.Allocation{alloc1, alloc2, alloc3, alloc4}
plan := structs.Plan{
NodeUpdate: make(map[string][]*structs.Allocation),
}
tainted := map[string]*structs.Node{node.ID: node}
updateNonTerminalAllocsToLost(&plan, tainted, allocs)
allocsLost := make([]string, 0, 2)
for _, alloc := range plan.NodeUpdate[node.ID] {
allocsLost = append(allocsLost, alloc.ID)
}
expected := []string{alloc1.ID, alloc2.ID}
require.True(t, reflect.DeepEqual(allocsLost, expected), "actual: %v, expected: %v", allocsLost, expected)
// Update the node status to ready and try again
plan = structs.Plan{
NodeUpdate: make(map[string][]*structs.Allocation),
}
node.Status = structs.NodeStatusReady
updateNonTerminalAllocsToLost(&plan, tainted, allocs)
allocsLost = make([]string, 0, 2)
for _, alloc := range plan.NodeUpdate[node.ID] {
allocsLost = append(allocsLost, alloc.ID)
}
expected = []string{}
require.True(t, reflect.DeepEqual(allocsLost, expected), "actual: %v, expected: %v", allocsLost, expected)
}