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Merge pull request #30435 from hodovska/1328441-non-k8scontainers

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Automatic merge from submit-queue

Add note: kubelet manages only k8s containers.

Kubelet wrote log when accesing container which was not created in k8s, what could confuse users. That's why we added note about it in documentation and lowered log level of the message to 5.

Here is example of the message: 
```
> Apr 19 11:50:32 openshift-114.lab.sjc.redhat.com atomic-openshift-node[9551]: 
I0419 11:50:32.194020    9600 docker.go:363] 
Docker Container: /tiny_babbage is not managed by kubelet.
```

bug 1328441
Bugzilla link https://bugzilla.redhat.com/show_bug.cgi?id=1328441
This commit is contained in:
Kubernetes Submit Queue 2016-08-17 00:54:33 -07:00 committed by GitHub
commit 622db63282
2 changed files with 3 additions and 2 deletions
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3
cmd/kubelet/app/server.go
View File

@ -102,7 +102,8 @@ func NewKubeletCommand() *cobra.Command {
node. The kubelet works in terms of a PodSpec. A PodSpec is a YAML or JSON object
that describes a pod. The kubelet takes a set of PodSpecs that are provided through
various mechanisms (primarily through the apiserver) and ensures that the containers
described in those PodSpecs are running and healthy.
described in those PodSpecs are running and healthy. The kubelet doesn't manage
containers which were not created by Kubernetes.
Other than from an PodSpec from the apiserver, there are three ways that a container
manifest can be provided to the Kubelet.

2
pkg/kubelet/dockertools/docker.go
View File

@ -443,7 +443,7 @@ func GetKubeletDockerContainers(client DockerInterface, allContainers bool) ([]*
// Skip containers that we didn't create to allow users to manually
// spin up their own containers if they want.
if !strings.HasPrefix(container.Names[0], "/"+containerNamePrefix+"_") {
glog.V(3).Infof("Docker Container: %s is not managed by kubelet.", container.Names[0])
glog.V(5).Infof("Docker Container: %s is not managed by kubelet.", container.Names[0])
continue
}
result = append(result, container)