func newCondition(conditionType batch.JobConditionType, reason, message string) batch.JobCondition {
return batch.JobCondition{
Type: conditionType,
Status: v1.ConditionTrue,
LastProbeTime: metav1.Now(),
LastTransitionTime: metav1.Now(),
Reason: reason,
Message: message,
}
}
// NewDeploymentCondition creates a new deployment condition.
func NewDeploymentCondition(condType extensions.DeploymentConditionType, status v1.ConditionStatus, reason, message string) *extensions.DeploymentCondition {
return &extensions.DeploymentCondition{
Type: condType,
Status: status,
LastUpdateTime: metav1.Now(),
LastTransitionTime: metav1.Now(),
Reason: reason,
Message: message,
}
}
// createBatchPodSequential creats pods back-to-back in sequence.
func createBatchPodSequential(f *framework.Framework, pods []*v1.Pod) (time.Duration, []framework.PodLatencyData) {
batchStartTime := metav1.Now()
e2eLags := make([]framework.PodLatencyData, 0)
for _, pod := range pods {
create := metav1.Now()
f.PodClient().CreateSync(pod)
e2eLags = append(e2eLags,
framework.PodLatencyData{Name: pod.Name, Latency: metav1.Now().Time.Sub(create.Time)})
}
batchLag := metav1.Now().Time.Sub(batchStartTime.Time)
sort.Sort(framework.LatencySlice(e2eLags))
return batchLag, e2eLags
}
func TestNamespaceStatusStrategy(t *testing.T) {
ctx := genericapirequest.NewDefaultContext()
if StatusStrategy.NamespaceScoped() {
t.Errorf("Namespaces should not be namespace scoped")
}
if StatusStrategy.AllowCreateOnUpdate() {
t.Errorf("Namespaces should not allow create on update")
}
now := metav1.Now()
oldNamespace := &api.Namespace{
ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "10", DeletionTimestamp: &now},
Spec: api.NamespaceSpec{Finalizers: []api.FinalizerName{"kubernetes"}},
Status: api.NamespaceStatus{Phase: api.NamespaceActive},
}
namespace := &api.Namespace{
ObjectMeta: metav1.ObjectMeta{Name: "foo", ResourceVersion: "9", DeletionTimestamp: &now},
Status: api.NamespaceStatus{Phase: api.NamespaceTerminating},
}
StatusStrategy.PrepareForUpdate(ctx, namespace, oldNamespace)
if namespace.Status.Phase != api.NamespaceTerminating {
t.Errorf("Namespace status updates should allow change of phase: %v", namespace.Status.Phase)
}
if len(namespace.Spec.Finalizers) != 1 || namespace.Spec.Finalizers[0] != api.FinalizerKubernetes {
t.Errorf("PrepareForUpdate should have preserved old finalizers")
}
errs := StatusStrategy.ValidateUpdate(ctx, namespace, oldNamespace)
if len(errs) != 0 {
t.Errorf("Unexpected error %v", errs)
}
if namespace.ResourceVersion != "9" {
t.Errorf("Incoming resource version on update should not be mutated")
}
}
// TestDeletedDeploymentShouldNotCleanupOtherOverlaps ensures that the deletion of
// a deployment will not cleanup deployments that overlap with another deployment.
func TestDeletedDeploymentShouldNotCleanupOtherOverlaps(t *testing.T) {
f := newFixture(t)
now := metav1.Now()
earlier := metav1.Time{Time: now.Add(-time.Minute)}
later := metav1.Time{Time: now.Add(time.Minute)}
foo := newDeployment("foo", 1, nil, nil, nil, map[string]string{"foo": "bar"})
foo.CreationTimestamp = earlier
foo.DeletionTimestamp = &now
bar := newDeployment("bar", 1, nil, nil, nil, map[string]string{"bla": "bla"})
bar.CreationTimestamp = later
// Notice this deployment is overlapping with another deployment
bar.Annotations = map[string]string{util.OverlapAnnotation: "baz"}
f.dLister = append(f.dLister, foo, bar)
f.objects = append(f.objects, foo, bar)
f.expectUpdateDeploymentStatusAction(foo)
f.run(getKey(foo, t))
for _, a := range filterInformerActions(f.client.Actions()) {
action, ok := a.(core.UpdateAction)
if !ok {
continue
}
d := action.GetObject().(*extensions.Deployment)
if d.Name != "bar" {
continue
}
if len(d.Annotations[util.OverlapAnnotation]) == 0 {
t.Errorf("overlapping annotation should not be cleaned up for bar: %v", d.Annotations)
}
}
}
// TestSyncOverlappedDeployment ensures that from two overlapping deployments, the older
// one will be synced and the newer will be marked as overlapping. Note that in reality it's
// not always the older deployment that is the one that works vs the rest but the one which
// has the selector unchanged for longer time.
func TestSyncOverlappedDeployment(t *testing.T) {
f := newFixture(t)
now := metav1.Now()
later := metav1.Time{Time: now.Add(time.Minute)}
foo := newDeployment("foo", 1, nil, nil, nil, map[string]string{"foo": "bar"})
foo.CreationTimestamp = now
bar := newDeployment("bar", 1, nil, nil, nil, map[string]string{"foo": "bar", "app": "baz"})
bar.CreationTimestamp = later
f.dLister = append(f.dLister, foo, bar)
f.objects = append(f.objects, foo, bar)
f.expectUpdateDeploymentStatusAction(bar)
f.expectCreateRSAction(newReplicaSet(foo, "foo-rs", 1))
f.expectUpdateDeploymentStatusAction(foo)
f.expectUpdateDeploymentStatusAction(foo)
f.run(getKey(foo, t))
for _, a := range filterInformerActions(f.client.Actions()) {
action, ok := a.(core.UpdateAction)
if !ok {
continue
}
d, ok := action.GetObject().(*extensions.Deployment)
if !ok {
continue
}
if d.Name == "bar" && d.Annotations[util.OverlapAnnotation] != "foo" {
t.Errorf("annotations weren't updated for the overlapping deployment: %v", d.Annotations)
}
}
}
func (rc *RouteController) updateNetworkingCondition(nodeName types.NodeName, routeCreated bool) error {
var err error
for i := 0; i < updateNodeStatusMaxRetries; i++ {
// Patch could also fail, even though the chance is very slim. So we still do
// patch in the retry loop.
currentTime := metav1.Now()
if routeCreated {
err = nodeutil.SetNodeCondition(rc.kubeClient, nodeName, v1.NodeCondition{
Type: v1.NodeNetworkUnavailable,
Status: v1.ConditionFalse,
Reason: "RouteCreated",
Message: "RouteController created a route",
LastTransitionTime: currentTime,
})
} else {
err = nodeutil.SetNodeCondition(rc.kubeClient, nodeName, v1.NodeCondition{
Type: v1.NodeNetworkUnavailable,
Status: v1.ConditionTrue,
Reason: "NoRouteCreated",
Message: "RouteController failed to create a route",
LastTransitionTime: currentTime,
})
}
if err == nil {
return nil
}
if i == updateNodeStatusMaxRetries || !errors.IsConflict(err) {
glog.Errorf("Error updating node %s: %v", nodeName, err)
return err
}
glog.Errorf("Error updating node %s, retrying: %v", nodeName, err)
}
return err
}
// Updates existing pod condition or creates a new one. Sets LastTransitionTime to now if the
// status has changed.
// Returns true if pod condition has changed or has been added.
func UpdatePodCondition(status *PodStatus, condition *PodCondition) bool {
condition.LastTransitionTime = metav1.Now()
// Try to find this pod condition.
conditionIndex, oldCondition := GetPodCondition(status, condition.Type)
if oldCondition == nil {
// We are adding new pod condition.
status.Conditions = append(status.Conditions, *condition)
return true
} else {
// We are updating an existing condition, so we need to check if it has changed.
if condition.Status == oldCondition.Status {
condition.LastTransitionTime = oldCondition.LastTransitionTime
}
isEqual := condition.Status == oldCondition.Status &&
condition.Reason == oldCondition.Reason &&
condition.Message == oldCondition.Message &&
condition.LastProbeTime.Equal(oldCondition.LastProbeTime) &&
condition.LastTransitionTime.Equal(oldCondition.LastTransitionTime)
status.Conditions[conditionIndex] = *condition
// Return true if one of the fields have changed.
return !isEqual
}
}
func TestNodeConditionsObservedSince(t *testing.T) {
now := metav1.Now()
observedTime := metav1.NewTime(now.Time.Add(-1 * time.Minute))
testCases := map[string]struct {
observedAt nodeConditionsObservedAt
period time.Duration
now time.Time
result []v1.NodeConditionType
}{
"in-period": {
observedAt: nodeConditionsObservedAt{
v1.NodeMemoryPressure: observedTime.Time,
},
period: 2 * time.Minute,
now: now.Time,
result: []v1.NodeConditionType{v1.NodeMemoryPressure},
},
"out-of-period": {
observedAt: nodeConditionsObservedAt{
v1.NodeMemoryPressure: observedTime.Time,
},
period: 30 * time.Second,
now: now.Time,
result: []v1.NodeConditionType{},
},
}
for testName, testCase := range testCases {
actual := nodeConditionsObservedSince(testCase.observedAt, testCase.period, testCase.now)
if !nodeConditionList(actual).Equal(nodeConditionList(testCase.result)) {
t.Errorf("Test case: %s, expected: %v, actual: %v", testName, testCase.result, actual)
}
}
}
func TestDoNotDeleteMirrorPods(t *testing.T) {
staticPod := getTestPod()
staticPod.Annotations = map[string]string{kubetypes.ConfigSourceAnnotationKey: "file"}
mirrorPod := getTestPod()
mirrorPod.UID = "mirror-12345678"
mirrorPod.Annotations = map[string]string{
kubetypes.ConfigSourceAnnotationKey: "api",
kubetypes.ConfigMirrorAnnotationKey: "mirror",
}
// Set the deletion timestamp.
mirrorPod.DeletionTimestamp = new(metav1.Time)
client := fake.NewSimpleClientset(mirrorPod)
m := newTestManager(client)
m.podManager.AddPod(staticPod)
m.podManager.AddPod(mirrorPod)
// Verify setup.
assert.True(t, kubepod.IsStaticPod(staticPod), "SetUp error: staticPod")
assert.True(t, kubepod.IsMirrorPod(mirrorPod), "SetUp error: mirrorPod")
assert.Equal(t, m.podManager.TranslatePodUID(mirrorPod.UID), staticPod.UID)
status := getRandomPodStatus()
now := metav1.Now()
status.StartTime = &now
m.SetPodStatus(staticPod, status)
m.testSyncBatch()
// Expect not to see an delete action.
verifyActions(t, m.kubeClient, []core.Action{
core.GetActionImpl{ActionImpl: core.ActionImpl{Verb: "get", Resource: schema.GroupVersionResource{Resource: "pods"}}},
core.UpdateActionImpl{ActionImpl: core.ActionImpl{Verb: "update", Resource: schema.GroupVersionResource{Resource: "pods"}, Subresource: "status"}},
})
}
func TestSyncPastDeadlineJobFinished(t *testing.T) {
clientset := clientset.NewForConfigOrDie(&restclient.Config{Host: "", ContentConfig: restclient.ContentConfig{GroupVersion: &api.Registry.GroupOrDie(v1.GroupName).GroupVersion}})
manager, sharedInformerFactory := newJobControllerFromClient(clientset, controller.NoResyncPeriodFunc)
fakePodControl := controller.FakePodControl{}
manager.podControl = &fakePodControl
manager.podStoreSynced = alwaysReady
manager.jobStoreSynced = alwaysReady
var actual *batch.Job
manager.updateHandler = func(job *batch.Job) error {
actual = job
return nil
}
job := newJob(1, 1)
activeDeadlineSeconds := int64(10)
job.Spec.ActiveDeadlineSeconds = &activeDeadlineSeconds
start := metav1.Unix(metav1.Now().Time.Unix()-15, 0)
job.Status.StartTime = &start
job.Status.Conditions = append(job.Status.Conditions, newCondition(batch.JobFailed, "DeadlineExceeded", "Job was active longer than specified deadline"))
sharedInformerFactory.Jobs().Informer().GetIndexer().Add(job)
err := manager.syncJob(getKey(job, t))
if err != nil {
t.Errorf("Unexpected error when syncing jobs %v", err)
}
if len(fakePodControl.Templates) != 0 {
t.Errorf("Unexpected number of creates. Expected %d, saw %d\n", 0, len(fakePodControl.Templates))
}
if len(fakePodControl.DeletePodName) != 0 {
t.Errorf("Unexpected number of deletes. Expected %d, saw %d\n", 0, len(fakePodControl.DeletePodName))
}
if actual != nil {
t.Error("Unexpected job modification")
}
}
// createBatchPodWithRateControl creates a batch of pods concurrently, uses one goroutine for each creation.
// between creations there is an interval for throughput control
func createBatchPodWithRateControl(f *framework.Framework, pods []*v1.Pod, interval time.Duration) map[string]metav1.Time {
createTimes := make(map[string]metav1.Time)
for _, pod := range pods {
createTimes[pod.ObjectMeta.Name] = metav1.Now()
go f.PodClient().Create(pod)
time.Sleep(interval)
}
return createTimes
}
// NewReplicationControllerCondition creates a new replication controller condition.
func NewReplicationControllerCondition(condType v1.ReplicationControllerConditionType, status v1.ConditionStatus, reason, msg string) v1.ReplicationControllerCondition {
return v1.ReplicationControllerCondition{
Type: condType,
Status: status,
LastTransitionTime: metav1.Now(),
Reason: reason,
Message: msg,
}
}
func TestThresholdsMetGracePeriod(t *testing.T) {
now := metav1.Now()
hardThreshold := Threshold{
Signal: SignalMemoryAvailable,
Operator: OpLessThan,
Value: ThresholdValue{
Quantity: quantityMustParse("1Gi"),
},
}
softThreshold := Threshold{
Signal: SignalMemoryAvailable,
Operator: OpLessThan,
Value: ThresholdValue{
Quantity: quantityMustParse("2Gi"),
},
GracePeriod: 1 * time.Minute,
}
oldTime := metav1.NewTime(now.Time.Add(-2 * time.Minute))
testCases := map[string]struct {
observedAt thresholdsObservedAt
now time.Time
result []Threshold
}{
"empty": {
observedAt: thresholdsObservedAt{},
now: now.Time,
result: []Threshold{},
},
"hard-threshold-met": {
observedAt: thresholdsObservedAt{
hardThreshold: now.Time,
},
now: now.Time,
result: []Threshold{hardThreshold},
},
"soft-threshold-not-met": {
observedAt: thresholdsObservedAt{
softThreshold: now.Time,
},
now: now.Time,
result: []Threshold{},
},
"soft-threshold-met": {
observedAt: thresholdsObservedAt{
softThreshold: oldTime.Time,
},
now: now.Time,
result: []Threshold{softThreshold},
},
}
for testName, testCase := range testCases {
actual := thresholdsMetGracePeriod(testCase.observedAt, now.Time)
if !thresholdList(actual).Equal(thresholdList(testCase.result)) {
t.Errorf("Test case: %s, expected: %v, actual: %v", testName, testCase.result, actual)
}
}
}
// NewReplicaSetCondition creates a new replica set condition.
func NewReplicaSetCondition(condType extensions.ReplicaSetConditionType, status v1.ConditionStatus, reason, msg string) extensions.ReplicaSetCondition {
return extensions.ReplicaSetCondition{
Type: condType,
Status: status,
LastTransitionTime: metav1.Now(),
Reason: reason,
Message: msg,
}
}
// pastActiveDeadline checks if job has ActiveDeadlineSeconds field set and if it is exceeded.
func pastActiveDeadline(job *batch.Job) bool {
if job.Spec.ActiveDeadlineSeconds == nil || job.Status.StartTime == nil {
return false
}
now := metav1.Now()
start := job.Status.StartTime.Time
duration := now.Time.Sub(start)
allowedDuration := time.Duration(*job.Spec.ActiveDeadlineSeconds) * time.Second
return duration >= allowedDuration
}
// FillObjectMetaSystemFields populates fields that are managed by the system on ObjectMeta.
func FillObjectMetaSystemFields(ctx genericapirequest.Context, meta *metav1.ObjectMeta) {
meta.CreationTimestamp = metav1.Now()
// allows admission controllers to assign a UID earlier in the request processing
// to support tracking resources pending creation.
uid, found := genericapirequest.UIDFrom(ctx)
if !found {
uid = uuid.NewUUID()
}
meta.UID = uid
meta.SelfLink = ""
}
func TestSyncDeploymentDontDoAnythingDuringDeletion(t *testing.T) {
f := newFixture(t)
d := newDeployment("foo", 1, nil, nil, nil, map[string]string{"foo": "bar"})
now := metav1.Now()
d.DeletionTimestamp = &now
f.dLister = append(f.dLister, d)
f.objects = append(f.objects, d)
f.expectUpdateDeploymentStatusAction(d)
f.run(getKey(d, t))
}
func getTestRunningStatus() v1.PodStatus {
containerStatus := v1.ContainerStatus{
Name: testContainerName,
ContainerID: testContainerID.String(),
}
containerStatus.State.Running = &v1.ContainerStateRunning{StartedAt: metav1.Now()}
podStatus := v1.PodStatus{
Phase: v1.PodRunning,
ContainerStatuses: []v1.ContainerStatus{containerStatus},
}
return podStatus
}
// tryAcquireOrRenew tries to acquire a leader lease if it is not already acquired,
// else it tries to renew the lease if it has already been acquired. Returns true
// on success else returns false.
func (le *LeaderElector) tryAcquireOrRenew() bool {
now := metav1.Now()
leaderElectionRecord := rl.LeaderElectionRecord{
HolderIdentity: le.config.Lock.Identity(),
LeaseDurationSeconds: int(le.config.LeaseDuration / time.Second),
RenewTime: now,
AcquireTime: now,
}
// 1. obtain or create the ElectionRecord
oldLeaderElectionRecord, err := le.config.Lock.Get()
if err != nil {
if !errors.IsNotFound(err) {
glog.Errorf("error retrieving resource lock %v: %v", le.config.Lock.Describe(), err)
return false
}
if err = le.config.Lock.Create(leaderElectionRecord); err != nil {
glog.Errorf("error initially creating leader election record: %v", err)
return false
}
le.observedRecord = leaderElectionRecord
le.observedTime = time.Now()
return true
}
// 2. Record obtained, check the Identity & Time
if !reflect.DeepEqual(le.observedRecord, *oldLeaderElectionRecord) {
le.observedRecord = *oldLeaderElectionRecord
le.observedTime = time.Now()
}
if le.observedTime.Add(le.config.LeaseDuration).After(now.Time) &&
oldLeaderElectionRecord.HolderIdentity != le.config.Lock.Identity() {
glog.V(4).Infof("lock is held by %v and has not yet expired", oldLeaderElectionRecord.HolderIdentity)
return false
}
// 3. We're going to try to update. The leaderElectionRecord is set to it's default
// here. Let's correct it before updating.
if oldLeaderElectionRecord.HolderIdentity == le.config.Lock.Identity() {
leaderElectionRecord.AcquireTime = oldLeaderElectionRecord.AcquireTime
} else {
leaderElectionRecord.LeaderTransitions = oldLeaderElectionRecord.LeaderTransitions + 1
}
// update the lock itself
if err = le.config.Lock.Update(leaderElectionRecord); err != nil {
glog.Errorf("Failed to update lock: %v", err)
return false
}
le.observedRecord = leaderElectionRecord
le.observedTime = time.Now()
return true
}
// executePreStopHook runs the pre-stop lifecycle hooks if applicable and returns the duration it takes.
func (m *kubeGenericRuntimeManager) executePreStopHook(pod *v1.Pod, containerID kubecontainer.ContainerID, containerSpec *v1.Container, gracePeriod int64) int64 {
glog.V(3).Infof("Running preStop hook for container %q", containerID.String())
start := metav1.Now()
done := make(chan struct{})
go func() {
defer close(done)
defer utilruntime.HandleCrash()
if msg, err := m.runner.Run(containerID, pod, containerSpec, containerSpec.Lifecycle.PreStop); err != nil {
glog.Errorf("preStop hook for container %q failed: %v", containerSpec.Name, err)
m.generateContainerEvent(containerID, v1.EventTypeWarning, events.FailedPreStopHook, msg)
}
}()
select {
case <-time.After(time.Duration(gracePeriod) * time.Second):
glog.V(2).Infof("preStop hook for container %q did not complete in %d seconds", containerID, gracePeriod)
case <-done:
glog.V(3).Infof("preStop hook for container %q completed", containerID)
}
return int64(metav1.Now().Sub(start.Time).Seconds())
}
// TestActiveDeadlineHandler verifies the active deadline handler functions as expected.
func TestActiveDeadlineHandler(t *testing.T) {
pods := newTestPods(4)
fakeClock := clock.NewFakeClock(time.Now())
podStatusProvider := &mockPodStatusProvider{pods: pods}
fakeRecorder := &record.FakeRecorder{}
handler, err := newActiveDeadlineHandler(podStatusProvider, fakeRecorder, fakeClock)
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
now := metav1.Now()
startTime := metav1.NewTime(now.Time.Add(-1 * time.Minute))
// this pod has exceeded its active deadline
exceededActiveDeadlineSeconds := int64(30)
pods[0].Status.StartTime = &startTime
pods[0].Spec.ActiveDeadlineSeconds = &exceededActiveDeadlineSeconds
// this pod has not exceeded its active deadline
notYetActiveDeadlineSeconds := int64(120)
pods[1].Status.StartTime = &startTime
pods[1].Spec.ActiveDeadlineSeconds = ¬YetActiveDeadlineSeconds
// this pod has no deadline
pods[2].Status.StartTime = &startTime
pods[2].Spec.ActiveDeadlineSeconds = nil
testCases := []struct {
pod *v1.Pod
expected bool
}{{pods[0], true}, {pods[1], false}, {pods[2], false}, {pods[3], false}}
for i, testCase := range testCases {
if actual := handler.ShouldSync(testCase.pod); actual != testCase.expected {
t.Errorf("[%d] ShouldSync expected %#v, got %#v", i, testCase.expected, actual)
}
actual := handler.ShouldEvict(testCase.pod)
if actual.Evict != testCase.expected {
t.Errorf("[%d] ShouldEvict.Evict expected %#v, got %#v", i, testCase.expected, actual.Evict)
}
if testCase.expected {
if actual.Reason != reason {
t.Errorf("[%d] ShouldEvict.Reason expected %#v, got %#v", i, message, actual.Reason)
}
if actual.Message != message {
t.Errorf("[%d] ShouldEvict.Message expected %#v, got %#v", i, message, actual.Message)
}
}
}
}
// NewRollingUpdater creates a RollingUpdater from a client.
func NewRollingUpdater(namespace string, rcClient coreclient.ReplicationControllersGetter, podClient coreclient.PodsGetter) *RollingUpdater {
updater := &RollingUpdater{
rcClient: rcClient,
podClient: podClient,
ns: namespace,
}
// Inject real implementations.
updater.scaleAndWait = updater.scaleAndWaitWithScaler
updater.getOrCreateTargetController = updater.getOrCreateTargetControllerWithClient
updater.getReadyPods = updater.readyPods
updater.cleanup = updater.cleanupWithClients
updater.nowFn = func() metav1.Time { return metav1.Now() }
return updater
}
func TestThresholdsFirstObservedAt(t *testing.T) {
hardThreshold := Threshold{
Signal: SignalMemoryAvailable,
Operator: OpLessThan,
Value: ThresholdValue{
Quantity: quantityMustParse("1Gi"),
},
}
now := metav1.Now()
oldTime := metav1.NewTime(now.Time.Add(-1 * time.Minute))
testCases := map[string]struct {
thresholds []Threshold
lastObservedAt thresholdsObservedAt
now time.Time
result thresholdsObservedAt
}{
"empty": {
thresholds: []Threshold{},
lastObservedAt: thresholdsObservedAt{},
now: now.Time,
result: thresholdsObservedAt{},
},
"no-previous-observation": {
thresholds: []Threshold{hardThreshold},
lastObservedAt: thresholdsObservedAt{},
now: now.Time,
result: thresholdsObservedAt{
hardThreshold: now.Time,
},
},
"previous-observation": {
thresholds: []Threshold{hardThreshold},
lastObservedAt: thresholdsObservedAt{
hardThreshold: oldTime.Time,
},
now: now.Time,
result: thresholdsObservedAt{
hardThreshold: oldTime.Time,
},
},
}
for testName, testCase := range testCases {
actual := thresholdsFirstObservedAt(testCase.thresholds, testCase.lastObservedAt, testCase.now)
if !reflect.DeepEqual(actual, testCase.result) {
t.Errorf("Test case: %s, expected: %v, actual: %v", testName, testCase.result, actual)
}
}
}
// DaemonSets not take any actions when being deleted
func TestDontDoAnythingIfBeingDeleted(t *testing.T) {
podSpec := resourcePodSpec("not-too-much-mem", "75M", "75m")
manager, podControl, _ := newTestController()
node := newNode("not-too-much-mem", nil)
node.Status.Allocatable = allocatableResources("200M", "200m")
manager.nodeStore.Add(node)
manager.podStore.Indexer.Add(&v1.Pod{
Spec: podSpec,
})
ds := newDaemonSet("foo")
ds.Spec.Template.Spec = podSpec
now := metav1.Now()
ds.DeletionTimestamp = &now
manager.dsStore.Add(ds)
syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
}
// GetClusterHealthStatus gets the kubernetes cluster health status by requesting "/healthz"
func (self *ClusterClient) GetClusterHealthStatus() *federation_v1beta1.ClusterStatus {
clusterStatus := federation_v1beta1.ClusterStatus{}
currentTime := metav1.Now()
newClusterReadyCondition := federation_v1beta1.ClusterCondition{
Type: federation_v1beta1.ClusterReady,
Status: v1.ConditionTrue,
Reason: "ClusterReady",
Message: "/healthz responded with ok",
LastProbeTime: currentTime,
LastTransitionTime: currentTime,
}
newClusterNotReadyCondition := federation_v1beta1.ClusterCondition{
Type: federation_v1beta1.ClusterReady,
Status: v1.ConditionFalse,
Reason: "ClusterNotReady",
Message: "/healthz responded without ok",
LastProbeTime: currentTime,
LastTransitionTime: currentTime,
}
newNodeOfflineCondition := federation_v1beta1.ClusterCondition{
Type: federation_v1beta1.ClusterOffline,
Status: v1.ConditionTrue,
Reason: "ClusterNotReachable",
Message: "cluster is not reachable",
LastProbeTime: currentTime,
LastTransitionTime: currentTime,
}
newNodeNotOfflineCondition := federation_v1beta1.ClusterCondition{
Type: federation_v1beta1.ClusterOffline,
Status: v1.ConditionFalse,
Reason: "ClusterReachable",
Message: "cluster is reachable",
LastProbeTime: currentTime,
LastTransitionTime: currentTime,
}
body, err := self.discoveryClient.RESTClient().Get().AbsPath("/healthz").Do().Raw()
if err != nil {
clusterStatus.Conditions = append(clusterStatus.Conditions, newNodeOfflineCondition)
} else {
if !strings.EqualFold(string(body), "ok") {
clusterStatus.Conditions = append(clusterStatus.Conditions, newClusterNotReadyCondition, newNodeNotOfflineCondition)
} else {
clusterStatus.Conditions = append(clusterStatus.Conditions, newClusterReadyCondition)
}
}
return &clusterStatus
}
func makeEvent(reason, message string, involvedObject v1.ObjectReference) v1.Event {
eventTime := metav1.Now()
event := v1.Event{
Reason: reason,
Message: message,
InvolvedObject: involvedObject,
Source: v1.EventSource{
Component: "kubelet",
Host: "kublet.node1",
},
Count: 1,
FirstTimestamp: eventTime,
LastTimestamp: eventTime,
Type: v1.EventTypeNormal,
}
return event
}
// GetContainerLogs uses rkt's GetLogs API to get the logs of the container.
// By default, it returns a snapshot of the container log. Set |follow| to true to
// stream the log. Set |follow| to false and specify the number of lines (e.g.
// "100" or "all") to tail the log.
//
// TODO(yifan): This doesn't work with lkvm stage1 yet.
func (r *Runtime) GetContainerLogs(pod *v1.Pod, containerID kubecontainer.ContainerID, logOptions *v1.PodLogOptions, stdout, stderr io.Writer) error {
id, err := parseContainerID(containerID)
if err != nil {
return err
}
var since int64
if logOptions.SinceSeconds != nil {
t := metav1.Now().Add(-time.Duration(*logOptions.SinceSeconds) * time.Second)
since = t.Unix()
}
if logOptions.SinceTime != nil {
since = logOptions.SinceTime.Unix()
}
getLogsRequest := &rktapi.GetLogsRequest{
PodId: id.uuid,
AppName: id.appName,
Follow: logOptions.Follow,
SinceTime: since,
}
if logOptions.TailLines != nil {
getLogsRequest.Lines = int32(*logOptions.TailLines)
}
stream, err := r.apisvc.GetLogs(context.Background(), getLogsRequest)
if err != nil {
glog.Errorf("rkt: Failed to create log stream for pod %q: %v", format.Pod(pod), err)
return err
}
for {
log, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
glog.Errorf("rkt: Failed to receive log for pod %q: %v", format.Pod(pod), err)
return err
}
processLines(log.Lines, logOptions, stdout, stderr)
}
return nil
}
func TestNodeConditionsLastObservedAt(t *testing.T) {
now := metav1.Now()
oldTime := metav1.NewTime(now.Time.Add(-1 * time.Minute))
testCases := map[string]struct {
nodeConditions []v1.NodeConditionType
lastObservedAt nodeConditionsObservedAt
now time.Time
result nodeConditionsObservedAt
}{
"no-previous-observation": {
nodeConditions: []v1.NodeConditionType{v1.NodeMemoryPressure},
lastObservedAt: nodeConditionsObservedAt{},
now: now.Time,
result: nodeConditionsObservedAt{
v1.NodeMemoryPressure: now.Time,
},
},
"previous-observation": {
nodeConditions: []v1.NodeConditionType{v1.NodeMemoryPressure},
lastObservedAt: nodeConditionsObservedAt{
v1.NodeMemoryPressure: oldTime.Time,
},
now: now.Time,
result: nodeConditionsObservedAt{
v1.NodeMemoryPressure: now.Time,
},
},
"old-observation": {
nodeConditions: []v1.NodeConditionType{},
lastObservedAt: nodeConditionsObservedAt{
v1.NodeMemoryPressure: oldTime.Time,
},
now: now.Time,
result: nodeConditionsObservedAt{
v1.NodeMemoryPressure: oldTime.Time,
},
},
}
for testName, testCase := range testCases {
actual := nodeConditionsLastObservedAt(testCase.nodeConditions, testCase.lastObservedAt, testCase.now)
if !reflect.DeepEqual(actual, testCase.result) {
t.Errorf("Test case: %s, expected: %v, actual: %v", testName, testCase.result, actual)
}
}
}
func TestChangedStatusKeepsStartTime(t *testing.T) {
syncer := newTestManager(&fake.Clientset{})
testPod := getTestPod()
now := metav1.Now()
firstStatus := getRandomPodStatus()
firstStatus.StartTime = &now
syncer.SetPodStatus(testPod, firstStatus)
syncer.SetPodStatus(testPod, getRandomPodStatus())
verifyUpdates(t, syncer, 2)
finalStatus := expectPodStatus(t, syncer, testPod)
if finalStatus.StartTime.IsZero() {
t.Errorf("StartTime should not be zero")
}
expected := now.Rfc3339Copy()
if !finalStatus.StartTime.Equal(expected) {
t.Errorf("Expected %v, but got %v", expected, finalStatus.StartTime)
}
}