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Preserve existing ephemeral containers on update, validate unconditionally

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This commit is contained in:
Jordan Liggitt
2019-08-02 20:00:01 -04:00
parent c981c65c90
commit 802e765444
4 changed files with 98 additions and 42 deletions
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35
pkg/apis/core/validation/validation_test.go
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@@ -5528,8 +5528,6 @@ func getResourceLimits(cpu, memory string) core.ResourceList {
}
func TestValidateEphemeralContainers(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EphemeralContainers, true)()
containers := []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}}
initContainers := []core.Container{{Name: "ictr", Image: "iimage", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}}
vols := map[string]core.VolumeSource{"vol": {EmptyDir: &core.EmptyDirVolumeSource{}}}
@@ -6567,7 +6565,6 @@ func TestValidatePodSpec(t *testing.T) {
minGroupID := int64(0)
maxGroupID := int64(2147483647)
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EphemeralContainers, true)()
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.RuntimeClass, true)()
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.PodOverhead, true)()
@@ -6910,34 +6907,6 @@ func TestValidatePodSpec(t *testing.T) {
t.Errorf("expected failure for %q", k)
}
}
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EphemeralContainers, false)()
featuregatedCases := map[string]core.PodSpec{
"disabled by EphemeralContainers feature-gate": {
Containers: []core.Container{{Name: "ctr", Image: "image", ImagePullPolicy: "IfNotPresent", TerminationMessagePolicy: "File"}},
EphemeralContainers: []core.EphemeralContainer{
{
EphemeralContainerCommon: core.EphemeralContainerCommon{
Name: "debug",
Image: "image",
ImagePullPolicy: "IfNotPresent",
TerminationMessagePolicy: "File",
},
},
},
RestartPolicy: core.RestartPolicyAlways,
DNSPolicy: core.DNSClusterFirst,
},
}
for expectedErr, spec := range featuregatedCases {
errs := ValidatePodSpec(&spec, field.NewPath("field"))
if len(errs) == 0 {
t.Errorf("expected failure due to gated feature: %s\n%+v", expectedErr, spec)
} else if actualErr := errs.ToAggregate().Error(); !strings.Contains(actualErr, expectedErr) {
t.Errorf("unexpected error message for gated feature. Expected error: %s\nActual error: %s", expectedErr, actualErr)
}
}
}
func extendPodSpecwithTolerations(in core.PodSpec, tolerations []core.Toleration) core.PodSpec {
@@ -9190,8 +9159,6 @@ func makeValidService() core.Service {
}
func TestValidatePodEphemeralContainersUpdate(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EphemeralContainers, true)()
tests := []struct {
new []core.EphemeralContainer
old []core.EphemeralContainer
@@ -10559,8 +10526,6 @@ func TestValidateReplicationControllerUpdate(t *testing.T) {
}
func TestValidateReplicationController(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.EphemeralContainers, true)()
validSelector := map[string]string{"a": "b"}
validPodTemplate := core.PodTemplate{
Template: core.PodTemplateSpec{