571 lines
13 KiB
Go
571 lines
13 KiB
Go
package scheduler
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import (
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"fmt"
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"testing"
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"time"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func TestServiceSched_JobRegister(t *testing.T) {
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h := NewHarness(t)
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// Create some nodes
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for i := 0; i < 10; i++ {
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node := mock.Node()
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Create a job
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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// Create a mock evaluation to deregister the job
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: job.Priority,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan allocated
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var planned []*structs.Allocation
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for _, allocList := range plan.NodeAllocation {
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planned = append(planned, allocList...)
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}
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if len(planned) != 10 {
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t.Fatalf("bad: %#v", plan)
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure all allocations placed
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if len(out) != 10 {
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t.Fatalf("bad: %#v", out)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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}
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func TestServiceSched_JobRegister_AllocFail(t *testing.T) {
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h := NewHarness(t)
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// Create NO nodes
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// Create a job
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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// Create a mock evaluation to deregister the job
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: job.Priority,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan failed to alloc
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if len(plan.FailedAllocs) != 1 {
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t.Fatalf("bad: %#v", plan)
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure all allocations placed
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if len(out) != 1 {
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t.Fatalf("bad: %#v", out)
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}
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// Check the coalesced failures
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if out[0].Metrics.CoalescedFailures != 9 {
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t.Fatalf("bad: %#v", out[0].Metrics)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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}
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func TestServiceSched_JobModify(t *testing.T) {
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h := NewHarness(t)
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// Create some nodes
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var nodes []*structs.Node
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for i := 0; i < 10; i++ {
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node := mock.Node()
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nodes = append(nodes, node)
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Generate a fake job with allocations
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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var allocs []*structs.Allocation
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for i := 0; i < 10; i++ {
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alloc := mock.Alloc()
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alloc.Job = job
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alloc.JobID = job.ID
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alloc.NodeID = nodes[i].ID
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alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
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allocs = append(allocs, alloc)
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}
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noErr(t, h.State.UpsertAllocs(h.NextIndex(), allocs))
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// Update the job
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job2 := mock.Job()
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job2.ID = job.ID
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// Update the task, such that it cannot be done in-place
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job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
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noErr(t, h.State.UpsertJob(h.NextIndex(), job2))
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// Create a mock evaluation to deal with drain
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: 50,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan evicted all allocs
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var update []*structs.Allocation
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for _, updateList := range plan.NodeUpdate {
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update = append(update, updateList...)
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}
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if len(update) != len(allocs) {
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t.Fatalf("bad: %#v", plan)
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}
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// Ensure the plan allocated
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var planned []*structs.Allocation
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for _, allocList := range plan.NodeAllocation {
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planned = append(planned, allocList...)
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}
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if len(planned) != 10 {
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t.Fatalf("bad: %#v", plan)
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure all allocations placed
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out = structs.FilterTerminalAllocs(out)
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if len(out) != 10 {
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t.Fatalf("bad: %#v", out)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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}
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func TestServiceSched_JobModify_Rolling(t *testing.T) {
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h := NewHarness(t)
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// Create some nodes
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var nodes []*structs.Node
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for i := 0; i < 10; i++ {
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node := mock.Node()
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nodes = append(nodes, node)
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Generate a fake job with allocations
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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var allocs []*structs.Allocation
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for i := 0; i < 10; i++ {
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alloc := mock.Alloc()
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alloc.Job = job
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alloc.JobID = job.ID
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alloc.NodeID = nodes[i].ID
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alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
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allocs = append(allocs, alloc)
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}
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noErr(t, h.State.UpsertAllocs(h.NextIndex(), allocs))
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// Update the job
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job2 := mock.Job()
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job2.ID = job.ID
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job2.Update = structs.UpdateStrategy{
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Stagger: 30 * time.Second,
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MaxParallel: 5,
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}
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// Update the task, such that it cannot be done in-place
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job2.TaskGroups[0].Tasks[0].Config["command"] = "/bin/other"
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noErr(t, h.State.UpsertJob(h.NextIndex(), job2))
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// Create a mock evaluation to deal with drain
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: 50,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan evicted only MaxParallel
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var update []*structs.Allocation
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for _, updateList := range plan.NodeUpdate {
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update = append(update, updateList...)
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}
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if len(update) != job2.Update.MaxParallel {
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t.Fatalf("bad: %#v", plan)
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}
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// Ensure the plan allocated
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var planned []*structs.Allocation
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for _, allocList := range plan.NodeAllocation {
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planned = append(planned, allocList...)
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}
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if len(planned) != job2.Update.MaxParallel {
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t.Fatalf("bad: %#v", plan)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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// Ensure a follow up eval was created
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eval = h.Evals[0]
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if eval.NextEval == "" {
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t.Fatalf("missing next eval")
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}
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// Check for create
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if len(h.CreateEvals) == 0 {
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t.Fatalf("missing created eval")
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}
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create := h.CreateEvals[0]
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if eval.NextEval != create.ID {
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t.Fatalf("ID mismatch")
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}
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if create.PreviousEval != eval.ID {
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t.Fatalf("missing previous eval")
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}
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if create.TriggeredBy != structs.EvalTriggerRollingUpdate {
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t.Fatalf("bad: %#v", create)
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}
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}
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func TestServiceSched_JobModify_InPlace(t *testing.T) {
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h := NewHarness(t)
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// Create some nodes
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var nodes []*structs.Node
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for i := 0; i < 10; i++ {
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node := mock.Node()
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nodes = append(nodes, node)
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Generate a fake job with allocations
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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var allocs []*structs.Allocation
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for i := 0; i < 10; i++ {
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alloc := mock.Alloc()
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alloc.Job = job
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alloc.JobID = job.ID
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alloc.NodeID = nodes[i].ID
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alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
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allocs = append(allocs, alloc)
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}
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noErr(t, h.State.UpsertAllocs(h.NextIndex(), allocs))
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// Update the job
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job2 := mock.Job()
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job2.ID = job.ID
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noErr(t, h.State.UpsertJob(h.NextIndex(), job2))
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// Create a mock evaluation to deal with drain
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: 50,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan did not evict any allocs
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var update []*structs.Allocation
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for _, updateList := range plan.NodeUpdate {
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update = append(update, updateList...)
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}
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if len(update) != 0 {
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t.Fatalf("bad: %#v", plan)
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}
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// Ensure the plan updated the existing allocs
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var planned []*structs.Allocation
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for _, allocList := range plan.NodeAllocation {
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planned = append(planned, allocList...)
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}
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if len(planned) != 10 {
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t.Fatalf("bad: %#v", plan)
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}
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for _, p := range planned {
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if p.Job != job2 {
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t.Fatalf("should update job")
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}
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure all allocations placed
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if len(out) != 10 {
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t.Fatalf("bad: %#v", out)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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// Verify the network did not change
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for _, alloc := range out {
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for _, resources := range alloc.TaskResources {
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if resources.Networks[0].ReservedPorts[0] != 5000 {
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t.Fatalf("bad: %#v", alloc)
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}
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}
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}
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}
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func TestServiceSched_JobDeregister(t *testing.T) {
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h := NewHarness(t)
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// Generate a fake job with allocations
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job := mock.Job()
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var allocs []*structs.Allocation
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for i := 0; i < 10; i++ {
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alloc := mock.Alloc()
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alloc.Job = job
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alloc.JobID = job.ID
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allocs = append(allocs, alloc)
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}
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noErr(t, h.State.UpsertAllocs(h.NextIndex(), allocs))
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// Create a mock evaluation to deregister the job
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: 50,
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TriggeredBy: structs.EvalTriggerJobDeregister,
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JobID: job.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan evicted all nodes
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if len(plan.NodeUpdate["foo"]) != len(allocs) {
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t.Fatalf("bad: %#v", plan)
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure no remaining allocations
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out = structs.FilterTerminalAllocs(out)
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if len(out) != 0 {
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t.Fatalf("bad: %#v", out)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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}
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func TestServiceSched_NodeDrain(t *testing.T) {
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h := NewHarness(t)
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// Register a draining node
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node := mock.Node()
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node.Drain = true
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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// Create some nodes
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for i := 0; i < 10; i++ {
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node := mock.Node()
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Generate a fake job with allocations
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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var allocs []*structs.Allocation
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for i := 0; i < 10; i++ {
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alloc := mock.Alloc()
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alloc.Job = job
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alloc.JobID = job.ID
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alloc.NodeID = node.ID
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alloc.Name = fmt.Sprintf("my-job.web[%d]", i)
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allocs = append(allocs, alloc)
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}
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noErr(t, h.State.UpsertAllocs(h.NextIndex(), allocs))
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// Create a mock evaluation to deal with drain
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: 50,
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TriggeredBy: structs.EvalTriggerNodeUpdate,
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JobID: job.ID,
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NodeID: node.ID,
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}
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// Process the evaluation
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err := h.Process(NewServiceScheduler, eval)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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// Ensure a single plan
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if len(h.Plans) != 1 {
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t.Fatalf("bad: %#v", h.Plans)
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}
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plan := h.Plans[0]
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// Ensure the plan evicted all allocs
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if len(plan.NodeUpdate[node.ID]) != len(allocs) {
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t.Fatalf("bad: %#v", plan)
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}
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// Ensure the plan allocated
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var planned []*structs.Allocation
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for _, allocList := range plan.NodeAllocation {
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planned = append(planned, allocList...)
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}
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if len(planned) != 10 {
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t.Fatalf("bad: %#v", plan)
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}
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// Lookup the allocations by JobID
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out, err := h.State.AllocsByJob(job.ID)
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noErr(t, err)
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// Ensure all allocations placed
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out = structs.FilterTerminalAllocs(out)
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if len(out) != 10 {
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t.Fatalf("bad: %#v", out)
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}
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h.AssertEvalStatus(t, structs.EvalStatusComplete)
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}
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func TestServiceSched_RetryLimit(t *testing.T) {
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h := NewHarness(t)
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h.Planner = &RejectPlan{h}
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// Create some nodes
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for i := 0; i < 10; i++ {
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node := mock.Node()
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noErr(t, h.State.UpsertNode(h.NextIndex(), node))
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}
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// Create a job
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job := mock.Job()
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noErr(t, h.State.UpsertJob(h.NextIndex(), job))
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// Create a mock evaluation to deregister the job
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eval := &structs.Evaluation{
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ID: structs.GenerateUUID(),
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Priority: job.Priority,
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TriggeredBy: structs.EvalTriggerJobRegister,
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JobID: job.ID,
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}
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// Process the evaluation
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|
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
|
|
out, err := h.State.AllocsByJob(job.ID)
|
|
noErr(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)
|
|
}
|