etcd相关知识

HOST_1=10.243.129.1
HOST_2=10.243.129.2
HOST_3=10.243.129.3
ETCD_ENDPOINTS=$HOST_1:2379,$HOST_2:2379,$HOST_3:2379

etcdctl \
--cacert=/etc/kubernetes/ssl/ca.pem \
--cert=/etc/kubernetes/ssl/etcd.pem \
--key=/etc/kubernetes/ssl/etcd-key.pem \
--endpoints=${ETCD_ENDPOINTS} <command>

// 查看etcd集群状态
HOST_1=10.243.129.1
HOST_2=10.243.129.2
HOST_3=10.243.129.3
ETCD_ENDPOINTS=$HOST_1:2379,$HOST_2:2379,$HOST_3:2379

etcdctl \
-w table --cacert=/etc/kubernetes/ssl/ca.pem \
--cert=/etc/kubernetes/ssl/etcd.pem \
--key=/etc/kubernetes/ssl/etcd-key.pem \
--endpoints=$ETCD_ENDPOINTS member list

// 查看etcd集群leader
HOST_1=10.243.129.1
HOST_2=10.243.129.2
HOST_3=10.243.129.3
ETCD_ENDPOINTS=$HOST_1:2379,$HOST_2:2379,$HOST_3:2379

etcdctl \
-w table --cacert=/etc/kubernetes/ssl/ca.pem \
--cert=/etc/kubernetes/ssl/etcd.pem \
--key=/etc/kubernetes/ssl/etcd-key.pem \
--endpoints=${ETCD_ENDPOINTS} endpoint status

// 查看etcd集群health
HOST_1=10.243.129.1
HOST_2=10.243.129.2
HOST_3=10.243.129.3
ETCD_ENDPOINTS=$HOST_1:2379,$HOST_2:2379,$HOST_3:2379

etcdctl \
-w table --cacert=/etc/kubernetes/ssl/ca.pem \
--cert=/etc/kubernetes/ssl/etcd.pem \
--key=/etc/kubernetes/ssl/etcd-key.pem \
--endpoints=${ETCD_ENDPOINTS} endpoint health