kubernetes常见问题

1 No cloud provider specified

在node2结点，systemctl start kubelet 启动后，查看日志：

Jan 19 15:14:15 node2 kubelet[23206]: I0119 15:14:15.707713
23206 plugins.go:101] No cloud provider specified.
Jan 19 15:14:15 node2 kubelet[23206]: I0119 15:14:15.707733
23206 server.go:303] No cloud provider specified: "" from the config file: ""
Jan 19 15:14:15 node2 kubelet[23206]: I0119 15:14:15.707750
23206 bootstrap.go:58] Using bootstrap kubeconfig to generate TLS client cert, key and kubeconfig file

查看未授权的 CSR 请求：

root@master:~# kubectl get csr
NAME
AGE
REQUESTOR
CONDITION
node-csr-YhFNdOVWqG9q5dBULRoQEyjGHBd4yu9MZ9DYc2T0W08
27s
kubelet-bootstrap
Pending

通过 CSR 请求：

root@master:~# kubectl certificate approve node-csr-YhFNdOVWqG9q5dBULRoQEyjGHBd4yu9MZ9DYc2T0W08
certificatesigningrequest "node-csr-YhFNdOVWqG9q5dBULRoQEyjGHBd4yu9MZ9DYc2T0W08" approved
root@master:~# kubectl get csr
NAME
AGE
REQUESTOR
CONDITION
node-csr-YhFNdOVWqG9q5dBULRoQEyjGHBd4yu9MZ9DYc2T0W08
48s
kubelet-bootstrap
Approved,Issued

$ ls -l /etc/kubernetes/kubelet.kubeconfig
-rw------- 1 root root 2284 Apr 7 02:07 /etc/kubernetes/kubelet
.kubeconfig
$ ls -l /etc/kubernetes/ssl/kubelet*
-rw-r--r-- 1 root root 1046 Apr 7 02:07 /etc/kubernetes/ssl/kub
elet-client.crt
-rw------- 1 root root 227 Apr 7 02:04 /etc/kubernetes/ssl/kub
elet-client.key
-rw-r--r-- 1 root root 1103 Apr 7 02:07 /etc/kubernetes/ssl/kub
elet.crt
-rw------- 1 root root 1675 Apr 7 02:07 /etc/kubernetes/ssl/kub
elet.key 

最后

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