kubelet启动不了如何排查

来源:12-1 常见日志采集问题和解决方案分析

qq_慕丝0528892

2021-07-09

我尝试启动

systemctl start kubelet

journalctl -xef截取到的信息

Jul 09 01:04:01 k-node-1 polkitd[394]: Registered Authentication Agent for unix-process:5196:97160 (system bus name :1.60 [/usr/bin/pkttyagent --notify-fd 5 --fallback], object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
Jul 09 01:04:04 k-node-1 systemd[1]: kubelet.service holdoff time over, scheduling restart.
Jul 09 01:04:04 k-node-1 systemd[1]: Stopped Kubernetes Kubelet.
-- Subject: Unit kubelet.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit kubelet.service has finished shutting down.
Jul 09 01:04:04 k-node-1 systemd[1]: Started Kubernetes Kubelet.
-- Subject: Unit kubelet.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit kubelet.service has finished starting up.
-- 
-- The start-up result is done.
Jul 09 01:04:04 k-node-1 polkitd[394]: Unregistered Authentication Agent for unix-process:5196:97160 (system bus name :1.60, object path /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8) (disconnected from bus)

服务启动配置

[Unit]
Description=Kubernetes Kubelet
Documentation=https://github.com/kubernetes/kubernetes
After=containerd.service
Requires=containerd.service

[Service]
ExecStart=/usr/local/bin/kubelet \
  --config=/etc/kubernetes/kubelet-config.yaml \
  --container-runtime=remote \
  --container-runtime-endpoint=unix:///var/run/containerd/containerd.sock \
  --image-pull-progress-deadline=2m \
  --kubeconfig=/etc/kubernetes/kubeconfig \
  --network-plugin=cni \
  --node-ip=192.168.211.11 \
  --allow-privileged=true \
  --register-node=true \
  --v=2
Restart=on-failure
RestartSec=5

[Install]
WantedBy=multi-user.target

其实这次我是增加了–allow-privileged=true这个参数后重启就启动不了了
但是我从日志上都看不出任何提示,

所以想问问遇到这种问题, 怎么排查好?

写回答

1回答

刘果国

2021-07-09

先改回来,确认是加参数的问题。然后再从头看kubelet的启动日志

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