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Log daemons' failure reasons to supervisord log files #21444

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merged 3 commits into from
Feb 19, 2016
Merged

Log daemons' failure reasons to supervisord log files #21444

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14f8ae1
Log kubelet /healthz failure reasons to supervisord log file
dchen1107 Feb 17, 2016
c46ee39
Collect kubelet healthz failure reason log on nodes. Also collect etc…
dchen1107 Feb 18, 2016
b17412a
collect docker.log
dchen1107 Feb 18, 2016
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1 change: 1 addition & 0 deletions cluster/saltbase/salt/supervisor/kubelet-checker.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ max_seconds=10
while true; do
if ! curl --insecure -m ${max_seconds} -f -s https://127.0.0.1:{{kubelet_port}}/healthz > /dev/null; then
echo "kubelet failed!"
curl --insecure -s http://127.0.0.1:{{kubelet_port}}/healthz
exit 2
fi
sleep 10
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7 changes: 7 additions & 0 deletions test/e2e/core.go
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Expand Up @@ -55,14 +55,18 @@ func CoreDump(dir string) {
{"cat /var/log/kube-apiserver.log", "kube-apiserver"},
{"cat /var/log/kube-scheduler.log", "kube-scheduler"},
{"cat /var/log/kube-controller-manager.log", "kube-controller-manager"},
{"cat /var/log/etcd.log", "kube-etcd"},
}
if isUsingSystemdKubelet(provider, master) {
cmds = append(cmds, command{"sudo journalctl --output=cat -u kubelet.service", "kubelet"})
} else {
cmds = append(cmds, []command{
{"cat /var/log/kubelet.log", "kubelet"},
{"cat /var/log/supervisor/supervisord.log", "supervisord"},
{"cat /var/log/supervisor/kubelet-stdout.log", "supervisord-kubelet-stdout"},
{"cat /var/log/supervisor/kubelet-stderr.log", "supervisord-kubelet-stderr"},
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Do we also want to gather /var/log/docker.log and docker-stdout/stderr.log? I think /var/log/docker.log will be helpful.

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ah, forgot to pick up docker.log. Will add them. I couldn't make docker-stdout/stderr.log have more information. All I can get is

Cannot connect to the Docker daemon. Is the docker daemon running on this host?

{"cat /var/log/kern.log", "kern.log"},
{"cat /var/log/docker.log", "docker.log"},
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don't need the .log in the second string - it gets added automatically. i.e. this should be

{"cat /var/log/docker.log", "docker"},

(similar for other uses. kern.log is likewise incorrect, though I missed that earlier)

}...)
}

Expand All @@ -88,7 +92,10 @@ func CoreDump(dir string) {
cmds = append(cmds, []command{
{"cat /var/log/kubelet.log", "kubelet"},
{"cat /var/log/supervisor/supervisord.log", "supervisord"},
{"cat /var/log/supervisor/kubelet-stdout.log", "supervisord-kubelet-stdout"},
{"cat /var/log/supervisor/kubelet-stderr.log", "supervisord-kubelet-stderr"},
{"cat /var/log/kern.log", "kern.log"},
{"cat /var/log/docker.log", "docker.log"},
}...)
}

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