etcd的使用详解

安装

wget https://github.com/etcd-io/etcd/releases/download/v3.3.10/etcd-v3.3.10-linux-amd64.tar.gz
tar -xzvf etcd-v3.3.10-linux-amd64.tar.gz
cp -av ./etcd-v3.3.10-linux-amd64 /usr/local/etcd
cd  /usr/local/etcd
mkdir data
mkdir config
cd config
cat <<EOF | sudo tee /opt/etcd/config/etcd.conf
#节点名称
ETCD_NAME=$(hostname -s)
#数据存放位置
ETCD_DATA_DIR=/var/lib/etcd
EOF

 vim  /etc/systemd/system/etcd.service
#写入
[Unit]
Description=Etcd Server
Documentation=https://github.com/coreos/etcd
After=network.target


[Service]
User=root
Type=notify
EnvironmentFile=/usr/local/etcd/config/etcd.conf
ExecStart=/usr/local/etcd/etcd
Restart=on-failure
RestartSec=10s
LimitNOFILE=40000

[Install]
WantedBy=muilt-user.target
# 写入配置结束

#注册到系统服务
systemctl daemon-reload
systemctl enable etcd
systemctl start etcd
systemctl status etcd.service
 
 ln -s /usr/local/etcd/etcdctl /usr/local/bin/etcdctl
 ln -s /usr/local/etcd/etcd /usr/local/bin/etcd