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Do not sync Waiting statuses for Terminated pods

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This commit is contained in:
Elana Hashman 2021-10-04 11:05:54 -07:00
parent 04f747d09f
commit 5ff6c2396d
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2 changed files with 60 additions and 2 deletions
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4
pkg/kubelet/status/status_manager.go
View File

@ -334,7 +334,7 @@ func (m *manager) TerminatePod(pod *v1.Pod) {
}
status := *oldStatus.DeepCopy()
for i := range status.ContainerStatuses {
if status.ContainerStatuses[i].State.Terminated != nil || status.ContainerStatuses[i].State.Waiting != nil {
if status.ContainerStatuses[i].State.Terminated != nil {
continue
}
status.ContainerStatuses[i].State = v1.ContainerState{
@ -346,7 +346,7 @@ func (m *manager) TerminatePod(pod *v1.Pod) {
}
}
for i := range status.InitContainerStatuses {
if status.InitContainerStatuses[i].State.Terminated != nil || status.InitContainerStatuses[i].State.Waiting != nil {
if status.InitContainerStatuses[i].State.Terminated != nil {
continue
}
status.InitContainerStatuses[i].State = v1.ContainerState{

58
pkg/kubelet/status/status_manager_test.go
View File

@ -622,6 +622,64 @@ func TestTerminatePod(t *testing.T) {
assert.Equal(t, newStatus.Message, firstStatus.Message)
}
func TestTerminatePodWaiting(t *testing.T) {
syncer := newTestManager(&fake.Clientset{})
testPod := getTestPod()
t.Logf("update the pod's status to Failed. TerminatePod should preserve this status update.")
firstStatus := getRandomPodStatus()
firstStatus.Phase = v1.PodFailed
firstStatus.InitContainerStatuses = []v1.ContainerStatus{
{Name: "init-test-1"},
{Name: "init-test-2", State: v1.ContainerState{Terminated: &v1.ContainerStateTerminated{Reason: "InitTest", ExitCode: 0}}},
{Name: "init-test-3", State: v1.ContainerState{Waiting: &v1.ContainerStateWaiting{Reason: "InitTest"}}},
}
firstStatus.ContainerStatuses = []v1.ContainerStatus{
{Name: "test-1"},
{Name: "test-2", State: v1.ContainerState{Terminated: &v1.ContainerStateTerminated{Reason: "Test", ExitCode: 2}}},
{Name: "test-3", State: v1.ContainerState{Waiting: &v1.ContainerStateWaiting{Reason: "Test"}}},
}
syncer.SetPodStatus(testPod, firstStatus)
t.Logf("set the testPod to a pod with Phase running, to simulate a stale pod")
testPod.Status = getRandomPodStatus()
testPod.Status.Phase = v1.PodRunning
syncer.TerminatePod(testPod)
t.Logf("we expect the container statuses to have changed to terminated")
newStatus := expectPodStatus(t, syncer, testPod)
for i := range newStatus.ContainerStatuses {
assert.False(t, newStatus.ContainerStatuses[i].State.Terminated == nil, "expected containers to be terminated")
}
for i := range newStatus.InitContainerStatuses {
assert.False(t, newStatus.InitContainerStatuses[i].State.Terminated == nil, "expected init containers to be terminated")
}
expectUnknownState := v1.ContainerState{Terminated: &v1.ContainerStateTerminated{Reason: "ContainerStatusUnknown", Message: "The container could not be located when the pod was terminated", ExitCode: 137}}
if !reflect.DeepEqual(newStatus.InitContainerStatuses[0].State, expectUnknownState) {
t.Errorf("terminated container state not defaulted: %s", diff.ObjectReflectDiff(newStatus.InitContainerStatuses[0].State, expectUnknownState))
}
if !reflect.DeepEqual(newStatus.InitContainerStatuses[1].State, firstStatus.InitContainerStatuses[1].State) {
t.Errorf("existing terminated container state not preserved: %#v", newStatus.ContainerStatuses)
}
if !reflect.DeepEqual(newStatus.InitContainerStatuses[2].State, expectUnknownState) {
t.Errorf("waiting container state not defaulted: %s", diff.ObjectReflectDiff(newStatus.InitContainerStatuses[2].State, expectUnknownState))
}
if !reflect.DeepEqual(newStatus.ContainerStatuses[0].State, expectUnknownState) {
t.Errorf("terminated container state not defaulted: %s", diff.ObjectReflectDiff(newStatus.ContainerStatuses[0].State, expectUnknownState))
}
if !reflect.DeepEqual(newStatus.ContainerStatuses[1].State, firstStatus.ContainerStatuses[1].State) {
t.Errorf("existing terminated container state not preserved: %#v", newStatus.ContainerStatuses)
}
if !reflect.DeepEqual(newStatus.ContainerStatuses[2].State, expectUnknownState) {
t.Errorf("waiting container state not defaulted: %s", diff.ObjectReflectDiff(newStatus.ContainerStatuses[2].State, expectUnknownState))
}
t.Logf("we expect the previous status update to be preserved.")
assert.Equal(t, newStatus.Phase, firstStatus.Phase)
assert.Equal(t, newStatus.Message, firstStatus.Message)
}
func TestSetContainerReadiness(t *testing.T) {
cID1 := kubecontainer.ContainerID{Type: "test", ID: "1"}
cID2 := kubecontainer.ContainerID{Type: "test", ID: "2"}