Cenots7 deployment etcd cluster

Ip role 192.168.1.101master192.168.1.102

Node1192.168.1.103node2

1. Install etcd

Yum install-y etcd

two。 Configuration file

# master configure 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"# etcdnode01ETCD_NAME=etcdnode01ETCD_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"# etcdnode02ETCD_NAME=etcdnode02ETCD_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. Configure startup command

Cat / usr/lib/systemd/system/etcd.service

[Unit] Description=Etcd ServerAfter=network.targetAfter=network-online.targetWants=network- online.target Type=notifyWorkingDirectory=/var/lib/etcd/EnvironmentFile=-/etc/etcd/etcd.confUser=etcdExecStart=/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-failureLimitNOFILE=65536 [Install] WantedBy=multi-user.target

4. Administration and Management

Start various node systemctl start etcd respectively

# View Cluster status Command etcdctl member list