cenots7 部署etcd集群

archer05

　　

ip	角色
192.168.1.101	master
192.168.1.102	node1
192.168.1.103	node2

　　

　　1. 安装etcd
yum install -y etcd　　2. 配置文件
# master配置
ETCD_NAME=etcdmaster
ETCD_DATA_DIR="/var/lib/etcd/etcd-master.etcd"   
ETCD_LISTEN_PEER_URLS="http://192.168.1.101:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.1.101:2379,http://127.0.0.1:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.101:2380"
ETCD_INITIAL_CLUSTER="etcdmaster=http://192.168.1.101:2380,etcdnode1=http://192.168.1.102:2380,etcdnode2=http://192.168.1.103:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-00"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.101:2379"# etcdnode01
ETCD_NAME=etcdnode01
ETCD_DATA_DIR="/var/lib/etcd/etcd-master.etcd"   
ETCD_LISTEN_PEER_URLS="http://192.168.1.102:2380"
ETCD_LISTEN_CLIENT_URLS="http://1092.168.1.102:2379,http://127.0.0.1:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://10.6.74.6:2380"
ETCD_INITIAL_CLUSTER="etcdmaster=http://192.168.1.101:2380,etcdnode1=http://192.168.1.102:2380,etcdnode2=http://192.168.1.103:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-00"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.102:2379"# etcdnode02
ETCD_NAME=etcdnode02
ETCD_DATA_DIR="/var/lib/etcd/etcd-master.etcd"   
ETCD_LISTEN_PEER_URLS="http://192.168.1.103:2380"
ETCD_LISTEN_CLIENT_URLS="http://192.168.1.103:2379,http://127.0.0.1:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.103:2380"
ETCD_INITIAL_CLUSTER="etcdmaster=http://192.168.1.101:2380,etcdnode1=http://192.168.1.102:2380,etcdnode2=http://192.168.1.103:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-00"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.103:2379"　　

　　3. 配置启动命令
　　cat /usr/lib/systemd/system/etcd.service
[Unit]
Description=Etcd Server
After=network.target
After=network-online.target
Wants=network-online.target
[Service]
Type=notify
WorkingDirectory=/var/lib/etcd/
EnvironmentFile=-/etc/etcd/etcd.conf
User=etcd
ExecStart=/bin/bash -c "GOMAXPROCS=$(nproc) /usr/bin/etcd --name=\"${ETCD_NAME}\" \
--data-dir=\"${ETCD_DATA_DIR}\" \
--listen-peer-urls=\"${ETCD_LISTEN_PEER_URLS}\" \
--listen-client-urls=\"${ETCD_LISTEN_CLIENT_URLS}\" \
--advertise-client-urls=\"${ETCD_ADVERTISE_CLIENT_URLS}\" \
--initial-cluster-token=\"${ETCD_INITIAL_CLUSTER_TOKEN}\" \
--initial-cluster=\"${ETCD_INITIAL_CLUSTER}\" \
--initial-cluster-state=\"${ETCD_INITIAL_CLUSTER_STATE}\""
Restart=on-failure
LimitNOFILE=65536
[Install]
WantedBy=multi-user.target　　

　　4. 管理
　　分别启动各种节点 systemctl start etcd
# 查看群集状态命令
etcdctl member list