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generic_sched_test.go
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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/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()
noErr(t, h.State.UpsertNode(h.NextIndex(), node))
}
// Create a job
job := mock.Job()
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(t, err)
// Ensure all allocations placed
if len(out) != 10 {
t.Fatalf("bad: %#v", out)
}
// Ensure different ports were used.
used := make(map[int]struct{})
for _, alloc := range out {
for _, resource := range alloc.TaskResources {
for _, port := range resource.Networks[0].DynamicPorts {
if _, ok := used[port.Value]; ok {
t.Fatalf("Port collision %v", port.Value)
}
used[port.Value] = struct{}{}
}
}
}
h.AssertEvalStatus(t, structs.EvalStatusComplete)
}
func TestServiceSched_JobRegister_StickyAllocs(t *testing.T) {
h := NewHarness(t)
// Create some nodes
for i := 0; i < 10; i++ {
node := mock.Node()
noErr(t, h.State.UpsertNode(h.NextIndex(), node))
}
// Create a job
job := mock.Job()
job.TaskGroups[0].EphemeralDisk.Sticky = true
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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()
noErr(t, h.State.UpsertNode(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
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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()
noErr(t, h.State.UpsertNode(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})
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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
noErr(t, h.State.UpsertNode(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",
})
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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"
noErr(t, h.State.UpsertNode(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
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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(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(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(h.NextIndex(), allocs), "UpsertAllocs")
// Update the count
job2 := job.Copy()
job2.TaskGroups[0].Count = 6
assert.Nil(h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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 := uint32(100)
step := uint32(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 := uint32(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(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(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,
}
noErr(t, h.State.UpsertEvals(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(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(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,
}
noErr(t, h.State.UpsertEvals(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()
noErr(t, h.State.UpsertNode(h.NextIndex(), node))
}
// Create a job
job := mock.Job()
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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()
noErr(t, h.State.UpsertNode(h.NextIndex(), node))
}
// Create a job and set the task group count to zero.
job := mock.Job()
job.TaskGroups[0].Count = 0
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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)
noErr(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()
noErr(t, h.State.UpsertJob(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,
}
noErr(t, h.State.UpsertEvals(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.Reserved = node.Resources
node.ComputeClass()
noErr(t, h.State.UpsertNode(h.NextIndex(), node))
// Create an ineligible node
node2 := mock.Node()
node2.Attributes["kernel.name"] = "windows"
node2.ComputeClass()
noErr(t, h.State.UpsertNode(h.NextIndex(), node2))
// Create a jobs
job := mock.Job()
noErr(t, h.State.UpsertJob(h.NextIndex(), job))
// Create a mock evaluation to register the job
eval := &structs.Evaluation{
Namespace: structs.DefaultNamespace,