三节点安装过2.1.0，通过uninstall.sh卸载后重新install.sh，然后报如下错误，求助如何解决，谢谢
`TASK [etcd : Configure | Ensure etcd-events is running] ***************************************************************************************************************************************************
Monday 24 February 2020 11:44:00 +0800 (0:00:01.004) 0:10:31.332 *******
skipping: [master]
TASK [etcd : Configure | Check if etcd cluster is healthy] ************************************************************************************************************************************************
Monday 24 February 2020 11:44:00 +0800 (0:00:00.215) 0:10:31.548 *******
FAILED - RETRYING: Configure | Check if etcd cluster is healthy (4 retries left).
FAILED - RETRYING: Configure | Check if etcd cluster is healthy (3 retries left).
FAILED - RETRYING: Configure | Check if etcd cluster is healthy (2 retries left).
FAILED - RETRYING: Configure | Check if etcd cluster is healthy (1 retries left).
fatal: [master -> master]: FAILED! => {
“attempts”: 4,
“changed”: false,
“cmd”: “/usr/local/bin/etcdctl –no-sync –endpoints=https://10.119.31.220:2379 cluster-health | grep -q ‘cluster is healthy’”,
“delta”: “0:00:00.038484”,
“end”: “2020-02-24 11:44:25.997442″,
“rc”: 1,
“start”: “2020-02-24 11:44:25.958958”
}
STDERR:
Error: client: etcd cluster is unavailable or misconfigured; error #0: x509: certificate signed by unknown authority (possibly because of “crypto/rsa: verification error” while trying to verify candidate authority certificate “etcd-ca”)
error #0: x509: certificate signed by unknown authority (possibly because of “crypto/rsa: verification error” while trying to verify candidate authority certificate “etcd-ca”)
MSG:
non-zero return code`
