cenots 7 배치 etcd 클 러 스 터

ip
역할.
192.168.1.101
master
192.168.1.102
node1
192.168.1.103
node2
1.etcd 설치
yum install -y etcd

2.프로필
# master  
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.시작 명령 설정
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.관리 
   각종 노드 systemctl start etc 를 각각 시작 합 니 다.
#         
etcdctl member list

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