部署ETCD
下载etcd二进制安装文件（所有master）
[root@master-1 ~]# mkdir -p /soft && cd /soft
[root@master-1 ~]# wget https://github.com/etcd-io/etcd/releases/download/v3.3.10/etcd-v3.3.10-linux-amd64.tar.gz
[root@master-1 ~]# tar -xvf etcd-v3.3.10-linux-amd64.tar.gz
[root@master-1 ~]# cd etcd-v3.3.10-linux-amd64/
[root@master-1 ~]# cp etcd etcdctl /usr/local/bin/
1 编辑etcd配置文件（所有master）
注意修改每个节点的ETCD_NAME
注意修改每个节点的监听地址
[root@master-1 ~]# mkdir -p /etc/etcd/{cfg,ssl}
[root@master-1 ~]# cat >/etc/etcd/cfg/etcd.conf<<EOFL
#[Member]
ETCD_NAME="master-1"
ETCD_DATA_DIR="/var/lib/etcd/default.etcd"
ETCD_LISTEN_PEER_URLS="https://192.168.91.18:2380"
ETCD_LISTEN_CLIENT_URLS="https://192.168.91.18:2379,http://192.168.91.18:2390"
#[Clustering]
ETCD_INITIAL_ADVERTISE_PEER_URLS="https://192.168.91.18:2380"
ETCD_ADVERTISE_CLIENT_URLS="https://192.168.91.18:2379"
ETCD_INITIAL_CLUSTER="master-1=https://192.168.91.18:2380,master-2=https://192.168.91.19:2380,master-3=https://192.168.91.20:2380"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster"
ETCD_INITIAL_CLUSTER_STATE="new"
EOFL