{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/13102","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/13102/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/13102/comments","events_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/13102/events","html_url":"https://github.com/kubernetes/kubernetes/issues/13102","id":102870301,"number":13102,"title":"Cluster is unstable with REGISTER_MASTER_KUBELET=true","user":{"login":"yujuhong","id":10524058,"avatar_url":"https://avatars.githubusercontent.com/u/10524058?v=3","gravatar_id":"","url":"https://api.github.com/users/yujuhong","html_url":"https://github.com/yujuhong","followers_url":"https://api.github.com/users/yujuhong/followers","following_url":"https://api.github.com/users/yujuhong/following{/other_user}","gists_url":"https://api.github.com/users/yujuhong/gists{/gist_id}","starred_url":"https://api.github.com/users/yujuhong/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yujuhong/subscriptions","organizations_url":"https://api.github.com/users/yujuhong/orgs","repos_url":"https://api.github.com/users/yujuhong/repos","events_url":"https://api.github.com/users/yujuhong/events{/privacy}","received_events_url":"https://api.github.com/users/yujuhong/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/area/cluster-lifecycle","name":"area/cluster-lifecycle","color":"d4c5f9"},{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/priority/P1","name":"priority/P1","color":"eb6420"},{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/team/control-plane","name":"team/control-plane","color":"d2b48c"},{"url":"https://api.github.com/repos/kubernetes/kubernetes/labels/team/node","name":"team/node","color":"d2b48c"}],"state":"open","locked":false,"assignee":{"login":"mikedanese","id":1787169,"avatar_url":"https://avatars.githubusercontent.com/u/1787169?v=3","gravatar_id":"","url":"https://api.github.com/users/mikedanese","html_url":"https://github.com/mikedanese","followers_url":"https://api.github.com/users/mikedanese/followers","following_url":"https://api.github.com/users/mikedanese/following{/other_user}","gists_url":"https://api.github.com/users/mikedanese/gists{/gist_id}","starred_url":"https://api.github.com/users/mikedanese/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mikedanese/subscriptions","organizations_url":"https://api.github.com/users/mikedanese/orgs","repos_url":"https://api.github.com/users/mikedanese/repos","events_url":"https://api.github.com/users/mikedanese/events{/privacy}","received_events_url":"https://api.github.com/users/mikedanese/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/13","html_url":"https://github.com/kubernetes/kubernetes/milestones/v1.1","labels_url":"https://api.github.com/repos/kubernetes/kubernetes/milestones/13/labels","id":1220916,"number":13,"title":"v1.1","description":"Release 1.1.\r\n\r\nP1 features:\r\n* 250 nodes\r\n* kube-proxy perf. improvements (via IPTables)\r\n* Docker 1.8.x\r\n* Horizontal pod auto-scaling\r\n* Job Object\r\n* Schema validation in kubectl\r\n* Experimental API and API groups\r\n* Graceful pod termination\r\n","creator":{"login":"bgrant0607","id":7725777,"avatar_url":"https://avatars.githubusercontent.com/u/7725777?v=3","gravatar_id":"","url":"https://api.github.com/users/bgrant0607","html_url":"https://github.com/bgrant0607","followers_url":"https://api.github.com/users/bgrant0607/followers","following_url":"https://api.github.com/users/bgrant0607/following{/other_user}","gists_url":"https://api.github.com/users/bgrant0607/gists{/gist_id}","starred_url":"https://api.github.com/users/bgrant0607/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/bgrant0607/subscriptions","organizations_url":"https://api.github.com/users/bgrant0607/orgs","repos_url":"https://api.github.com/users/bgrant0607/repos","events_url":"https://api.github.com/users/bgrant0607/events{/privacy}","received_events_url":"https://api.github.com/users/bgrant0607/received_events","type":"User","site_admin":false},"open_issues":69,"closed_issues":60,"state":"open","created_at":"2015-07-22T19:17:12Z","updated_at":"2015-09-15T23:20:56Z","due_on":"2015-09-21T07:00:00Z","closed_at":null},"comments":15,"created_at":"2015-08-24T19:15:06Z","updated_at":"2015-09-15T23:52:16Z","closed_at":null,"body":"I created an e2e cluster with `REGISTER_MASTER_KUBELET=true`, and the master node is extremely unstable with docker/kubelet being restarted frequently.\r\nI ended up *fixing* this by removing `/etc/supervisor/conf.d/docker.conf` to prevent docker from being restarted again. The cluster was stable and functioning after the fix.\r\nHere are my questions:\r\n - Is REGISTER_MASTER_KUBELET=true supposed to work in this case, or was there any other configurations that I needed to change?\r\n - Do we run any e2e suite with master node registered?\r\n\r\nThe docker health check performed by supervisord seems defective on the master node in this case, but I am not sure why.\r\n\r\n/cc @roberthbailey \r\n"},"comment":{"url":"https://api.github.com/repos/kubernetes/kubernetes/issues/comments/140582884","html_url":"https://github.com/kubernetes/kubernetes/issues/13102#issuecomment-140582884","issue_url":"https://api.github.com/repos/kubernetes/kubernetes/issues/13102","id":140582884,"user":{"login":"roberthbailey","id":7751204,"avatar_url":"https://avatars.githubusercontent.com/u/7751204?v=3","gravatar_id":"","url":"https://api.github.com/users/roberthbailey","html_url":"https://github.com/roberthbailey","followers_url":"https://api.github.com/users/roberthbailey/followers","following_url":"https://api.github.com/users/roberthbailey/following{/other_user}","gists_url":"https://api.github.com/users/roberthbailey/gists{/gist_id}","starred_url":"https://api.github.com/users/roberthbailey/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/roberthbailey/subscriptions","organizations_url":"https://api.github.com/users/roberthbailey/orgs","repos_url":"https://api.github.com/users/roberthbailey/repos","events_url":"https://api.github.com/users/roberthbailey/events{/privacy}","received_events_url":"https://api.github.com/users/roberthbailey/received_events","type":"User","site_admin":false},"created_at":"2015-09-15T23:52:16Z","updated_at":"2015-09-15T23:52:16Z","body":"@brendandburns Not that I know of (I haven't had a chance to try and fix it). 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