forked from kubernetes/kubernetes
/
job_controller_test.go
6471 lines (6248 loc) · 214 KB
/
job_controller_test.go
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/*
Copyright 2015 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package job
import (
"context"
"errors"
"fmt"
"math"
"sort"
"strconv"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
batch "k8s.io/api/batch/v1"
v1 "k8s.io/api/core/v1"
apiequality "k8s.io/apimachinery/pkg/api/equality"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/rand"
"k8s.io/apimachinery/pkg/util/sets"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
"k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/informers"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/kubernetes/fake"
restclient "k8s.io/client-go/rest"
core "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
"k8s.io/client-go/util/workqueue"
featuregatetesting "k8s.io/component-base/featuregate/testing"
metricstestutil "k8s.io/component-base/metrics/testutil"
"k8s.io/klog/v2"
"k8s.io/klog/v2/ktesting"
_ "k8s.io/kubernetes/pkg/apis/core/install"
"k8s.io/kubernetes/pkg/controller"
"k8s.io/kubernetes/pkg/controller/job/metrics"
"k8s.io/kubernetes/pkg/controller/testutil"
"k8s.io/kubernetes/pkg/features"
"k8s.io/utils/clock"
clocktesting "k8s.io/utils/clock/testing"
"k8s.io/utils/ptr"
)
var realClock = &clock.RealClock{}
var alwaysReady = func() bool { return true }
const fastSyncJobBatchPeriod = 10 * time.Millisecond
const fastJobApiBackoff = 10 * time.Millisecond
const fastRequeue = 10 * time.Millisecond
// testFinishedAt represents time one second later than unix epoch
// this will be used in various test cases where we don't want back-off to kick in
var testFinishedAt = metav1.NewTime((time.Time{}).Add(time.Second))
func newJobWithName(name string, parallelism, completions, backoffLimit int32, completionMode batch.CompletionMode) *batch.Job {
j := &batch.Job{
TypeMeta: metav1.TypeMeta{Kind: "Job"},
ObjectMeta: metav1.ObjectMeta{
Name: name,
UID: uuid.NewUUID(),
Namespace: metav1.NamespaceDefault,
},
Spec: batch.JobSpec{
Selector: &metav1.LabelSelector{
MatchLabels: map[string]string{"foo": "bar"},
},
Template: v1.PodTemplateSpec{
ObjectMeta: metav1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
Spec: v1.PodSpec{
Containers: []v1.Container{
{Image: "foo/bar"},
},
},
},
},
}
if completionMode != "" {
j.Spec.CompletionMode = &completionMode
}
// Special case: -1 for either completions or parallelism means leave nil (negative is not allowed
// in practice by validation.
if completions >= 0 {
j.Spec.Completions = &completions
} else {
j.Spec.Completions = nil
}
if parallelism >= 0 {
j.Spec.Parallelism = ¶llelism
} else {
j.Spec.Parallelism = nil
}
j.Spec.BackoffLimit = &backoffLimit
return j
}
func newJob(parallelism, completions, backoffLimit int32, completionMode batch.CompletionMode) *batch.Job {
return newJobWithName("foobar", parallelism, completions, backoffLimit, completionMode)
}
func newControllerFromClient(ctx context.Context, t *testing.T, kubeClient clientset.Interface, resyncPeriod controller.ResyncPeriodFunc) (*Controller, informers.SharedInformerFactory) {
t.Helper()
return newControllerFromClientWithClock(ctx, t, kubeClient, resyncPeriod, realClock)
}
func newControllerFromClientWithClock(ctx context.Context, t *testing.T, kubeClient clientset.Interface, resyncPeriod controller.ResyncPeriodFunc, clock clock.WithTicker) (*Controller, informers.SharedInformerFactory) {
t.Helper()
sharedInformers := informers.NewSharedInformerFactory(kubeClient, resyncPeriod())
jm, err := newControllerWithClock(ctx, sharedInformers.Core().V1().Pods(), sharedInformers.Batch().V1().Jobs(), kubeClient, clock)
if err != nil {
t.Fatalf("Error creating Job controller: %v", err)
}
jm.podControl = &controller.FakePodControl{}
return jm, sharedInformers
}
func newPod(name string, job *batch.Job) *v1.Pod {
return &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: name,
UID: types.UID(name),
Labels: job.Spec.Selector.MatchLabels,
Namespace: job.Namespace,
OwnerReferences: []metav1.OwnerReference{*metav1.NewControllerRef(job, controllerKind)},
},
}
}
// create count pods with the given phase for the given job
func newPodList(count int, status v1.PodPhase, job *batch.Job) []*v1.Pod {
var pods []*v1.Pod
for i := 0; i < count; i++ {
newPod := newPod(fmt.Sprintf("pod-%v", rand.String(10)), job)
newPod.Status = v1.PodStatus{Phase: status}
newPod.Status.ContainerStatuses = []v1.ContainerStatus{
{
State: v1.ContainerState{
Terminated: &v1.ContainerStateTerminated{
FinishedAt: testFinishedAt,
},
},
},
}
newPod.Finalizers = append(newPod.Finalizers, batch.JobTrackingFinalizer)
pods = append(pods, newPod)
}
return pods
}
func setPodsStatuses(podIndexer cache.Indexer, job *batch.Job, pendingPods, activePods, succeededPods, failedPods, terminatingPods, readyPods int) {
for _, pod := range newPodList(pendingPods, v1.PodPending, job) {
podIndexer.Add(pod)
}
running := newPodList(activePods, v1.PodRunning, job)
for i, p := range running {
if i >= readyPods {
break
}
p.Status.Conditions = append(p.Status.Conditions, v1.PodCondition{
Type: v1.PodReady,
Status: v1.ConditionTrue,
})
}
for _, pod := range running {
podIndexer.Add(pod)
}
for _, pod := range newPodList(succeededPods, v1.PodSucceeded, job) {
podIndexer.Add(pod)
}
for _, pod := range newPodList(failedPods, v1.PodFailed, job) {
podIndexer.Add(pod)
}
terminating := newPodList(terminatingPods, v1.PodRunning, job)
for _, p := range terminating {
now := metav1.Now()
p.DeletionTimestamp = &now
}
for _, pod := range terminating {
podIndexer.Add(pod)
}
}
func setPodsStatusesWithIndexes(podIndexer cache.Indexer, job *batch.Job, status []indexPhase) {
for _, s := range status {
p := newPod(fmt.Sprintf("pod-%s", rand.String(10)), job)
p.Status = v1.PodStatus{Phase: s.Phase}
if s.Phase == v1.PodFailed || s.Phase == v1.PodSucceeded {
p.Status.ContainerStatuses = []v1.ContainerStatus{
{
State: v1.ContainerState{
Terminated: &v1.ContainerStateTerminated{
FinishedAt: testFinishedAt,
},
},
},
}
}
if s.Index != noIndex {
p.Annotations = map[string]string{
batch.JobCompletionIndexAnnotation: s.Index,
}
p.Spec.Hostname = fmt.Sprintf("%s-%s", job.Name, s.Index)
}
p.Finalizers = append(p.Finalizers, batch.JobTrackingFinalizer)
podIndexer.Add(p)
}
}
type jobInitialStatus struct {
active int
succeed int
failed int
startTime *time.Time
}
func TestControllerSyncJob(t *testing.T) {
_, ctx := ktesting.NewTestContext(t)
jobConditionComplete := batch.JobComplete
jobConditionFailed := batch.JobFailed
jobConditionSuspended := batch.JobSuspended
referenceTime := time.Now()
testCases := map[string]struct {
// job setup
parallelism int32
completions int32
backoffLimit int32
deleting bool
podLimit int
completionMode batch.CompletionMode
wasSuspended bool
suspend bool
podReplacementPolicy *batch.PodReplacementPolicy
podFailurePolicy *batch.PodFailurePolicy
initialStatus *jobInitialStatus
backoffRecord *backoffRecord
controllerTime *time.Time
// pod setup
// If a podControllerError is set, finalizers are not able to be removed.
// This means that there is no status update so the counters for
// failedPods and succeededPods cannot be incremented.
podControllerError error
pendingPods int
activePods int
readyPods int
succeededPods int
failedPods int
terminatingPods int
podsWithIndexes []indexPhase
fakeExpectationAtCreation int32 // negative: ExpectDeletions, positive: ExpectCreations
// expectations
expectedCreations int32
expectedDeletions int32
expectedActive int32
expectedReady *int32
expectedSucceeded int32
expectedCompletedIdxs string
expectedFailed int32
expectedTerminating *int32
expectedCondition *batch.JobConditionType
expectedConditionStatus v1.ConditionStatus
expectedConditionReason string
expectedCreatedIndexes sets.Set[int]
expectedPodPatches int
// features
podIndexLabelDisabled bool
jobPodReplacementPolicy bool
jobPodFailurePolicy bool
}{
"job start": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
expectedCreations: 2,
expectedActive: 2,
expectedReady: ptr.To[int32](0),
},
"WQ job start": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
expectedCreations: 2,
expectedActive: 2,
expectedReady: ptr.To[int32](0),
},
"pending pods": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
pendingPods: 2,
expectedActive: 2,
expectedReady: ptr.To[int32](0),
},
"correct # of pods": {
parallelism: 3,
completions: 5,
backoffLimit: 6,
activePods: 3,
readyPods: 2,
expectedActive: 3,
expectedReady: ptr.To[int32](2),
},
"WQ job: correct # of pods": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
activePods: 2,
expectedActive: 2,
expectedReady: ptr.To[int32](0),
},
"too few active pods": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 1,
succeededPods: 1,
expectedCreations: 1,
expectedActive: 2,
expectedSucceeded: 1,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"WQ job: recreate pods when failed": {
parallelism: 1,
completions: -1,
backoffLimit: 6,
activePods: 1,
failedPods: 1,
podReplacementPolicy: podReplacementPolicy(batch.Failed),
jobPodReplacementPolicy: true,
terminatingPods: 1,
expectedTerminating: ptr.To[int32](1),
expectedReady: ptr.To[int32](0),
// Removes finalizer and deletes one failed pod
expectedPodPatches: 1,
expectedFailed: 1,
expectedActive: 1,
},
"WQ job: turn on PodReplacementPolicy but not set PodReplacementPolicy": {
parallelism: 1,
completions: 1,
backoffLimit: 6,
activePods: 1,
failedPods: 1,
jobPodReplacementPolicy: true,
expectedTerminating: ptr.To[int32](1),
expectedReady: ptr.To[int32](0),
terminatingPods: 1,
expectedActive: 1,
expectedPodPatches: 2,
expectedFailed: 2,
},
"WQ job: recreate pods when terminating or failed": {
parallelism: 1,
completions: -1,
backoffLimit: 6,
activePods: 1,
failedPods: 1,
podReplacementPolicy: podReplacementPolicy(batch.TerminatingOrFailed),
jobPodReplacementPolicy: true,
terminatingPods: 1,
expectedTerminating: ptr.To[int32](1),
expectedReady: ptr.To[int32](0),
expectedActive: 1,
expectedPodPatches: 2,
expectedFailed: 2,
},
"more terminating pods than parallelism": {
parallelism: 1,
completions: 1,
backoffLimit: 6,
activePods: 2,
failedPods: 0,
terminatingPods: 4,
podReplacementPolicy: podReplacementPolicy(batch.Failed),
jobPodReplacementPolicy: true,
expectedTerminating: ptr.To[int32](4),
expectedReady: ptr.To[int32](0),
expectedActive: 1,
expectedDeletions: 1,
expectedPodPatches: 1,
},
"more terminating pods than parallelism; PodFailurePolicy used": {
// Repro for https://github.com/kubernetes/kubernetes/issues/122235
parallelism: 1,
completions: 1,
backoffLimit: 6,
activePods: 2,
failedPods: 0,
terminatingPods: 4,
jobPodFailurePolicy: true,
podFailurePolicy: &batch.PodFailurePolicy{},
expectedTerminating: nil,
expectedReady: ptr.To[int32](0),
expectedActive: 1,
expectedDeletions: 1,
expectedPodPatches: 1,
},
"too few active pods and active back-off": {
parallelism: 1,
completions: 1,
backoffLimit: 6,
backoffRecord: &backoffRecord{
failuresAfterLastSuccess: 1,
lastFailureTime: &referenceTime,
},
initialStatus: &jobInitialStatus{
startTime: func() *time.Time {
now := time.Now()
return &now
}(),
},
activePods: 0,
succeededPods: 0,
expectedCreations: 0,
expectedActive: 0,
expectedSucceeded: 0,
expectedPodPatches: 0,
expectedReady: ptr.To[int32](0),
controllerTime: &referenceTime,
},
"too few active pods and no back-offs": {
parallelism: 1,
completions: 1,
backoffLimit: 6,
backoffRecord: &backoffRecord{
failuresAfterLastSuccess: 0,
lastFailureTime: &referenceTime,
},
activePods: 0,
succeededPods: 0,
expectedCreations: 1,
expectedActive: 1,
expectedSucceeded: 0,
expectedPodPatches: 0,
expectedReady: ptr.To[int32](0),
controllerTime: &referenceTime,
},
"too few active pods with a dynamic job": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
activePods: 1,
expectedCreations: 1,
expectedActive: 2,
expectedReady: ptr.To[int32](0),
},
"too few active pods, with controller error": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
podControllerError: fmt.Errorf("fake error"),
activePods: 1,
succeededPods: 1,
expectedCreations: 1,
expectedActive: 1,
expectedSucceeded: 0,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"too many active pods": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 3,
expectedDeletions: 1,
expectedActive: 2,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"too many active pods, with controller error": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
podControllerError: fmt.Errorf("fake error"),
activePods: 3,
expectedDeletions: 0,
expectedPodPatches: 1,
expectedActive: 3,
expectedReady: ptr.To[int32](0),
},
"failed + succeed pods: reset backoff delay": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 1,
succeededPods: 1,
failedPods: 1,
expectedCreations: 1,
expectedActive: 2,
expectedSucceeded: 1,
expectedFailed: 1,
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"new failed pod": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 1,
failedPods: 1,
expectedCreations: 1,
expectedActive: 2,
expectedFailed: 1,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"no new pod; possible finalizer update of failed pod": {
parallelism: 1,
completions: 1,
backoffLimit: 6,
initialStatus: &jobInitialStatus{
active: 1,
succeed: 0,
failed: 1,
},
activePods: 1,
failedPods: 0,
expectedCreations: 0,
expectedActive: 1,
expectedFailed: 1,
expectedPodPatches: 0,
expectedReady: ptr.To[int32](0),
},
"only new failed pod with controller error": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
podControllerError: fmt.Errorf("fake error"),
activePods: 1,
failedPods: 1,
expectedCreations: 1,
expectedActive: 1,
expectedFailed: 0,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"job finish": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
succeededPods: 5,
expectedSucceeded: 5,
expectedCondition: &jobConditionComplete,
expectedConditionStatus: v1.ConditionTrue,
expectedPodPatches: 5,
expectedReady: ptr.To[int32](0),
},
"WQ job finishing": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
activePods: 1,
succeededPods: 1,
expectedActive: 1,
expectedSucceeded: 1,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"WQ job all finished": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
succeededPods: 2,
expectedSucceeded: 2,
expectedCondition: &jobConditionComplete,
expectedConditionStatus: v1.ConditionTrue,
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"WQ job all finished despite one failure": {
parallelism: 2,
completions: -1,
backoffLimit: 6,
succeededPods: 1,
failedPods: 1,
expectedSucceeded: 1,
expectedFailed: 1,
expectedCondition: &jobConditionComplete,
expectedConditionStatus: v1.ConditionTrue,
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"more active pods than parallelism": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 10,
expectedDeletions: 8,
expectedActive: 2,
expectedPodPatches: 8,
expectedReady: ptr.To[int32](0),
},
"more active pods than remaining completions": {
parallelism: 3,
completions: 4,
backoffLimit: 6,
activePods: 3,
succeededPods: 2,
expectedDeletions: 1,
expectedActive: 2,
expectedSucceeded: 2,
expectedPodPatches: 3,
expectedReady: ptr.To[int32](0),
},
"status change": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
activePods: 2,
succeededPods: 2,
expectedActive: 2,
expectedSucceeded: 2,
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"deleting job": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
deleting: true,
pendingPods: 1,
activePods: 1,
succeededPods: 1,
expectedActive: 2,
expectedSucceeded: 1,
expectedPodPatches: 3,
expectedReady: ptr.To[int32](0),
},
"limited pods": {
parallelism: 100,
completions: 200,
backoffLimit: 6,
podLimit: 10,
expectedCreations: 10,
expectedActive: 10,
expectedReady: ptr.To[int32](0),
},
"too many job failures": {
parallelism: 2,
completions: 5,
deleting: true,
failedPods: 1,
expectedFailed: 1,
expectedCondition: &jobConditionFailed,
expectedConditionStatus: v1.ConditionTrue,
expectedConditionReason: "BackoffLimitExceeded",
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"job failures, unsatisfied expectations": {
parallelism: 2,
completions: 5,
deleting: true,
failedPods: 1,
fakeExpectationAtCreation: 1,
expectedFailed: 1,
expectedPodPatches: 1,
expectedReady: ptr.To[int32](0),
},
"indexed job start": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
expectedCreations: 2,
expectedActive: 2,
expectedCreatedIndexes: sets.New(0, 1),
expectedReady: ptr.To[int32](0),
},
"indexed job with some pods deleted, podReplacementPolicy Failed": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
expectedCreations: 1,
expectedActive: 1,
expectedCreatedIndexes: sets.New(0),
podReplacementPolicy: podReplacementPolicy(batch.Failed),
jobPodReplacementPolicy: true,
terminatingPods: 1,
expectedTerminating: ptr.To[int32](1),
expectedReady: ptr.To[int32](0),
},
"indexed job with some pods deleted, podReplacementPolicy TerminatingOrFailed": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
expectedCreations: 2,
expectedActive: 2,
expectedCreatedIndexes: sets.New(0, 1),
podReplacementPolicy: podReplacementPolicy(batch.TerminatingOrFailed),
jobPodReplacementPolicy: true,
terminatingPods: 1,
expectedTerminating: ptr.To[int32](1),
expectedReady: ptr.To[int32](0),
expectedPodPatches: 1,
},
"indexed job completed": {
parallelism: 2,
completions: 3,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
podsWithIndexes: []indexPhase{
{"0", v1.PodSucceeded},
{"1", v1.PodFailed},
{"1", v1.PodSucceeded},
{"2", v1.PodSucceeded},
},
expectedSucceeded: 3,
expectedFailed: 1,
expectedCompletedIdxs: "0-2",
expectedCondition: &jobConditionComplete,
expectedConditionStatus: v1.ConditionTrue,
expectedPodPatches: 4,
expectedReady: ptr.To[int32](0),
},
"indexed job repeated completed index": {
parallelism: 2,
completions: 3,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
podsWithIndexes: []indexPhase{
{"0", v1.PodSucceeded},
{"1", v1.PodSucceeded},
{"1", v1.PodSucceeded},
},
expectedCreations: 1,
expectedActive: 1,
expectedSucceeded: 2,
expectedCompletedIdxs: "0,1",
expectedCreatedIndexes: sets.New(2),
expectedPodPatches: 3,
expectedReady: ptr.To[int32](0),
},
"indexed job some running and completed pods": {
parallelism: 8,
completions: 20,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
podsWithIndexes: []indexPhase{
{"0", v1.PodRunning},
{"2", v1.PodSucceeded},
{"3", v1.PodPending},
{"4", v1.PodSucceeded},
{"5", v1.PodSucceeded},
{"7", v1.PodSucceeded},
{"8", v1.PodSucceeded},
{"9", v1.PodSucceeded},
},
expectedCreations: 6,
expectedActive: 8,
expectedSucceeded: 6,
expectedCompletedIdxs: "2,4,5,7-9",
expectedCreatedIndexes: sets.New(1, 6, 10, 11, 12, 13),
expectedPodPatches: 6,
expectedReady: ptr.To[int32](0),
},
"indexed job some failed pods": {
parallelism: 3,
completions: 4,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
podsWithIndexes: []indexPhase{
{"0", v1.PodFailed},
{"1", v1.PodPending},
{"2", v1.PodFailed},
},
expectedCreations: 2,
expectedActive: 3,
expectedFailed: 2,
expectedCreatedIndexes: sets.New(0, 2),
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"indexed job some pods without index": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
activePods: 1,
succeededPods: 1,
failedPods: 1,
podsWithIndexes: []indexPhase{
{"invalid", v1.PodRunning},
{"invalid", v1.PodSucceeded},
{"invalid", v1.PodFailed},
{"invalid", v1.PodPending},
{"0", v1.PodSucceeded},
{"1", v1.PodRunning},
{"2", v1.PodRunning},
},
expectedDeletions: 3,
expectedActive: 2,
expectedSucceeded: 1,
expectedFailed: 0,
expectedCompletedIdxs: "0",
expectedPodPatches: 8,
expectedReady: ptr.To[int32](0),
},
"indexed job repeated indexes": {
parallelism: 5,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
succeededPods: 1,
failedPods: 1,
podsWithIndexes: []indexPhase{
{"invalid", v1.PodRunning},
{"0", v1.PodSucceeded},
{"1", v1.PodRunning},
{"2", v1.PodRunning},
{"2", v1.PodPending},
},
expectedCreations: 0,
expectedDeletions: 2,
expectedActive: 2,
expectedSucceeded: 1,
expectedCompletedIdxs: "0",
expectedPodPatches: 5,
expectedReady: ptr.To[int32](0),
},
"indexed job with indexes outside of range": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
podsWithIndexes: []indexPhase{
{"0", v1.PodSucceeded},
{"5", v1.PodRunning},
{"6", v1.PodSucceeded},
{"7", v1.PodPending},
{"8", v1.PodFailed},
},
expectedCreations: 0, // only one of creations and deletions can happen in a sync
expectedSucceeded: 1,
expectedDeletions: 2,
expectedCompletedIdxs: "0",
expectedActive: 0,
expectedFailed: 0,
expectedPodPatches: 5,
expectedReady: ptr.To[int32](0),
},
"suspending a job with satisfied expectations": {
// Suspended Job should delete active pods when expectations are
// satisfied.
suspend: true,
parallelism: 2,
activePods: 2, // parallelism == active, expectations satisfied
completions: 4,
backoffLimit: 6,
expectedCreations: 0,
expectedDeletions: 2,
expectedActive: 0,
expectedCondition: &jobConditionSuspended,
expectedConditionStatus: v1.ConditionTrue,
expectedConditionReason: "JobSuspended",
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"suspending a job with unsatisfied expectations": {
// Unlike the previous test, we expect the controller to NOT suspend the
// Job in the syncJob call because the controller will wait for
// expectations to be satisfied first. The next syncJob call (not tested
// here) will be the same as the previous test.
suspend: true,
parallelism: 2,
activePods: 3, // active > parallelism, expectations unsatisfied
fakeExpectationAtCreation: -1, // the controller is expecting a deletion
completions: 4,
backoffLimit: 6,
expectedCreations: 0,
expectedDeletions: 0,
expectedActive: 3,
expectedReady: ptr.To[int32](0),
},
"resuming a suspended job": {
wasSuspended: true,
suspend: false,
parallelism: 2,
completions: 4,
backoffLimit: 6,
expectedCreations: 2,
expectedDeletions: 0,
expectedActive: 2,
expectedCondition: &jobConditionSuspended,
expectedConditionStatus: v1.ConditionFalse,
expectedConditionReason: "JobResumed",
expectedReady: ptr.To[int32](0),
},
"suspending a deleted job": {
// We would normally expect the active pods to be deleted (see a few test
// cases above), but since this job is being deleted, we don't expect
// anything changed here from before the job was suspended. The
// JobSuspended condition is also missing.
suspend: true,
deleting: true,
parallelism: 2,
activePods: 2, // parallelism == active, expectations satisfied
completions: 4,
backoffLimit: 6,
expectedCreations: 0,
expectedDeletions: 0,
expectedActive: 2,
expectedPodPatches: 2,
expectedReady: ptr.To[int32](0),
},
"indexed job with podIndexLabel feature disabled": {
parallelism: 2,
completions: 5,
backoffLimit: 6,
completionMode: batch.IndexedCompletion,
expectedCreations: 2,
expectedActive: 2,
expectedCreatedIndexes: sets.New(0, 1),
podIndexLabelDisabled: true,
expectedReady: ptr.To[int32](0),
},
}
for name, tc := range testCases {
t.Run(name, func(t *testing.T) {
logger, _ := ktesting.NewTestContext(t)
defer featuregatetesting.SetFeatureGateDuringTest(t, feature.DefaultFeatureGate, features.PodIndexLabel, !tc.podIndexLabelDisabled)()
defer featuregatetesting.SetFeatureGateDuringTest(t, feature.DefaultFeatureGate, features.JobPodReplacementPolicy, tc.jobPodReplacementPolicy)()
defer featuregatetesting.SetFeatureGateDuringTest(t, feature.DefaultFeatureGate, features.JobPodFailurePolicy, tc.jobPodFailurePolicy)()
// job manager setup
clientSet := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
var fakeClock clock.WithTicker
if tc.controllerTime != nil {
fakeClock = clocktesting.NewFakeClock(*tc.controllerTime)
} else {
fakeClock = clocktesting.NewFakeClock(time.Now())
}
manager, sharedInformerFactory := newControllerFromClientWithClock(ctx, t, clientSet, controller.NoResyncPeriodFunc, fakeClock)
fakePodControl := controller.FakePodControl{Err: tc.podControllerError, CreateLimit: tc.podLimit}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
// job & pods setup
job := newJob(tc.parallelism, tc.completions, tc.backoffLimit, tc.completionMode)
job.Spec.Suspend = ptr.To(tc.suspend)
if tc.jobPodReplacementPolicy {
job.Spec.PodReplacementPolicy = tc.podReplacementPolicy
}
if tc.jobPodFailurePolicy {
job.Spec.PodFailurePolicy = tc.podFailurePolicy
}
if tc.initialStatus != nil {
startTime := metav1.Now()
job.Status.StartTime = &startTime
job.Status.Active = int32(tc.initialStatus.active)
job.Status.Succeeded = int32(tc.initialStatus.succeed)
job.Status.Failed = int32(tc.initialStatus.failed)
if tc.initialStatus.startTime != nil {
startTime := metav1.NewTime(*tc.initialStatus.startTime)
job.Status.StartTime = &startTime
}
}
key, err := controller.KeyFunc(job)
if err != nil {
t.Errorf("Unexpected error getting job key: %v", err)
}
if tc.backoffRecord != nil {
tc.backoffRecord.key = key