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StatefulSet: Add ControllerRef on all created Pods.

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This commit is contained in:
Anthony Yeh 2017-02-23 12:01:02 -08:00
parent f269e78ebc
commit b5dfc7b2aa
2 changed files with 39 additions and 1 deletions
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15
pkg/controller/statefulset/stateful_set_utils.go
View File

@ -21,6 +21,7 @@ import (
"regexp" "regexp"
"strconv" "strconv"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/kubernetes/pkg/api/v1" "k8s.io/kubernetes/pkg/api/v1"
podapi "k8s.io/kubernetes/pkg/api/v1/pod" podapi "k8s.io/kubernetes/pkg/api/v1/pod"
apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1" apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
@ -230,9 +231,21 @@ func isHealthy(pod *v1.Pod) bool {
return isRunningAndReady(pod) && !isTerminated(pod) return isRunningAndReady(pod) && !isTerminated(pod)
} }
// newControllerRef returns an ControllerRef pointing to a given StatefulSet.
func newControllerRef(set *apps.StatefulSet) *metav1.OwnerReference {
isController := true
return &metav1.OwnerReference{
APIVersion: apps.SchemeGroupVersion.String(),
Kind: "StatefulSet",
Name: set.Name,
UID: set.UID,
Controller: &isController,
}
}
// newStatefulSetPod returns a new Pod conforming to the set's Spec with an identity generated from ordinal. // newStatefulSetPod returns a new Pod conforming to the set's Spec with an identity generated from ordinal.
func newStatefulSetPod(set *apps.StatefulSet, ordinal int) *v1.Pod { func newStatefulSetPod(set *apps.StatefulSet, ordinal int) *v1.Pod {
pod, _ := controller.GetPodFromTemplate(&set.Spec.Template, set, nil) pod, _ := controller.GetPodFromTemplate(&set.Spec.Template, set, newControllerRef(set))
pod.Name = getPodName(set, ordinal) pod.Name = getPodName(set, ordinal)
updateIdentity(set, pod) updateIdentity(set, pod)
updateStorage(set, pod) updateStorage(set, pod)

25
pkg/controller/statefulset/stateful_set_utils_test.go
View File

@ -31,6 +31,7 @@ import (
"k8s.io/kubernetes/pkg/api/v1" "k8s.io/kubernetes/pkg/api/v1"
podapi "k8s.io/kubernetes/pkg/api/v1/pod" podapi "k8s.io/kubernetes/pkg/api/v1/pod"
apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1" apps "k8s.io/kubernetes/pkg/apis/apps/v1beta1"
"k8s.io/kubernetes/pkg/controller"
) )
func TestGetParentNameAndOrdinal(t *testing.T) { func TestGetParentNameAndOrdinal(t *testing.T) {
@ -271,6 +272,30 @@ func TestOverlappingStatefulSets(t *testing.T) {
} }
} }
func TestNewPodControllerRef(t *testing.T) {
set := newStatefulSet(1)
pod := newStatefulSetPod(set, 0)
controllerRef := controller.GetControllerOf(pod)
if controllerRef == nil {
t.Fatalf("No ControllerRef found on new pod")
}
if got, want := controllerRef.APIVersion, apps.SchemeGroupVersion.String(); got != want {
t.Errorf("controllerRef.APIVersion = %q, want %q", got, want)
}
if got, want := controllerRef.Kind, "StatefulSet"; got != want {
t.Errorf("controllerRef.Kind = %q, want %q", got, want)
}
if got, want := controllerRef.Name, set.Name; got != want {
t.Errorf("controllerRef.Name = %q, want %q", got, want)
}
if got, want := controllerRef.UID, set.UID; got != want {
t.Errorf("controllerRef.UID = %q, want %q", got, want)
}
if got, want := *controllerRef.Controller, true; got != want {
t.Errorf("controllerRef.Controller = %v, want %v", got, want)
}
}
func newPVC(name string) v1.PersistentVolumeClaim { func newPVC(name string) v1.PersistentVolumeClaim {
return v1.PersistentVolumeClaim{ return v1.PersistentVolumeClaim{
ObjectMeta: metav1.ObjectMeta{ ObjectMeta: metav1.ObjectMeta{