Deploy etcd cluster in cenots7

Deploy etcd cluster in cenots7
Ip role 192.168.1.101master192.168.1.102node1194251.103node2

1. Install etcd

yum install -yetcd

2. Configuration File

# Master Configuration 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. Configure the startup command

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

[Unit] Description=EtcdServer 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. Management

Start various nodes systemctl start etcd

# Command for viewing cluster status etcdctlmemberlist