etcd

查看集群节点信息
etcdctl --ca-file=/etc/kubernetes/ssl/ca.pem  member list

etcdctl --ca-file=/etc/kubernetes/ssl/ca.pem  cluster-health

查询目录信息
etcdctl ls /

查询文件内容
etcdctl get /kube-centos/network/config

配置文件

[[email protected] ~]# cat /lib/systemd/system/etcd.service
[Unit]
 Description=Etcd Server
 After=network.target
 After=network-online.target
 Wants=network-online.target
 Documentation=https://github.com/coreos
[Service]
 Type=notify
 WorkingDirectory=/var/lib/etcd/
 ExecStart=/usr/local/bin/etcd \
  --name=chenzg \
  --cert-file=/etc/kubernetes/ssl/kubernetes.pem \
  --key-file=/etc/kubernetes/ssl/kubernetes-key.pem \
  --peer-cert-file=/etc/kubernetes/ssl/kubernetes.pem \
  --peer-key-file=/etc/kubernetes/ssl/kubernetes-key.pem \
  --trusted-ca-file=/etc/kubernetes/ssl/ca.pem \
  --peer-trusted-ca-file=/etc/kubernetes/ssl/ca.pem \
  --initial-advertise-peer-urls=https://172.23.210.30:2380 \
  --listen-peer-urls=https://172.23.210.30:2380 \
  --listen-client-urls=https://172.23.210.30:2379,http://127.0.0.1:2379 \
  --advertise-client-urls=https://172.23.210.30:2379 \
  --initial-cluster-token=etcd-cluster \
  --initial-cluster=chenzg=https://172.23.210.30:2380 \
  --initial-cluster-state=new \
  --data-dir=/var/lib/etcd
Restart=on-failure
RestartSec=5
LimitNOFILE=65536
[Install]
WantedBy=multi-user.target