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Merge pull request #27283 from yifan-gu/stats

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Automatic merge from submit-queue

kubelet/rkt - treat pod container as the infra - only network stats

As no "container name" annotation was being applied to the pod as a whole, the rkt pod container didn't have a container name label. This means that in stat/summary it came up as a nameless container that belonged to the pod.

this was problematic as it caused double counting of container stats.

this adds a container name annotation to the pod level which will be overridden during label creation by annotations of the same name at the container level for the containers themselves.

stats/summary will do the right thing as it will treat it the same as the infra container, just get network stats from it.


Suppress #26759

cc @kubernetes/sig-node @kubernetes/rktnetes-maintainers
This commit is contained in:
k8s-merge-robot 2016-06-14 06:05:40 -07:00 committed by GitHub
commit 939ad4115a
2 changed files with 8 additions and 2 deletions
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2
pkg/kubelet/rkt/rkt.go
View File

@ -46,6 +46,7 @@ import (
"k8s.io/kubernetes/pkg/client/record" "k8s.io/kubernetes/pkg/client/record"
"k8s.io/kubernetes/pkg/credentialprovider" "k8s.io/kubernetes/pkg/credentialprovider"
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container" kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
"k8s.io/kubernetes/pkg/kubelet/leaky"
"k8s.io/kubernetes/pkg/kubelet/lifecycle" "k8s.io/kubernetes/pkg/kubelet/lifecycle"
"k8s.io/kubernetes/pkg/kubelet/network" "k8s.io/kubernetes/pkg/kubelet/network"
"k8s.io/kubernetes/pkg/kubelet/network/hairpin" "k8s.io/kubernetes/pkg/kubelet/network/hairpin"
@ -618,6 +619,7 @@ func (r *Runtime) makePodManifest(pod *api.Pod, podIP string, pullSecrets []api.
manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodUIDLabel), string(pod.UID)) manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodUIDLabel), string(pod.UID))
manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodNameLabel), pod.Name) manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodNameLabel), pod.Name)
manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodNamespaceLabel), pod.Namespace) manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesPodNamespaceLabel), pod.Namespace)
manifest.Annotations.Set(*appctypes.MustACIdentifier(types.KubernetesContainerNameLabel), leaky.PodInfraContainerName)
manifest.Annotations.Set(*appctypes.MustACIdentifier(k8sRktRestartCountAnno), strconv.Itoa(restartCount)) manifest.Annotations.Set(*appctypes.MustACIdentifier(k8sRktRestartCountAnno), strconv.Itoa(restartCount))
if stage1Name, ok := pod.Annotations[k8sRktStage1NameAnno]; ok { if stage1Name, ok := pod.Annotations[k8sRktStage1NameAnno]; ok {
requiresPrivileged = true requiresPrivileged = true

8
pkg/kubelet/rkt/rkt_test.go
View File

@ -1754,6 +1754,10 @@ func TestMakePodManifestAnnotations(t *testing.T) {
}, },
out: &appcschema.PodManifest{ out: &appcschema.PodManifest{
Annotations: []appctypes.Annotation{ Annotations: []appctypes.Annotation{
{
Name: "io.kubernetes.container.name",
Value: "POD",
},
{ {
Name: appctypes.ACIdentifier(k8sRktStage1NameAnno), Name: appctypes.ACIdentifier(k8sRktStage1NameAnno),
Value: "stage1-override-img", Value: "stage1-override-img",
@ -1787,11 +1791,11 @@ func TestMakePodManifestAnnotations(t *testing.T) {
hint := fmt.Sprintf("case #%d", i) hint := fmt.Sprintf("case #%d", i)
result, err := r.makePodManifest(testCase.in, "", []api.Secret{}) result, err := r.makePodManifest(testCase.in, "", []api.Secret{})
assert.Equal(t, err, testCase.outerr, hint) assert.Equal(t, testCase.outerr, err, hint)
if err == nil { if err == nil {
sort.Sort(annotationsByName(result.Annotations)) sort.Sort(annotationsByName(result.Annotations))
sort.Sort(annotationsByName(testCase.out.Annotations)) sort.Sort(annotationsByName(testCase.out.Annotations))
assert.Equal(t, result.Annotations, testCase.out.Annotations, hint) assert.Equal(t, testCase.out.Annotations, result.Annotations, hint)
} }
} }
} }