calicoctl 发现不了节点 的解决方法 No IPv4 peers found.

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root@ubuntu:~# calicoctl get nodes --out=wide

Failed to get resources: client: etcd cluster is unavailable or misconfigured; error #0: dial tcp 127.0.0.1:2379: getsockopt: connection refused

root@ubuntu:~#  calicoctl node status
Calico process is running.


IPv4 BGP status
No IPv4 peers found.


IPv6 BGP status
No IPv6 peers found.

The connection to the server localhost:8080 was refused - did you specify the right host or port?

Unable to connect to the server: x509: certificate signed by unknown authority (possibly because of "crypto/rsa: verification error" while trying to verify candidate authority certificate "kubernetes")