Java面试题（每天10题）-------连载（33）

环境说明

192.168.1.11

192.168.1.12

192.168.1.13

yum在线安装

yum install etcd -y

#etcd01
cat > /etc/etcd/etcd.conf <<EOF
ETCD_NAME=etcd01
ETCD_LISTEN_PEER_URLS="http://0.0.0.0:2380"
ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.11:2380"
ETCD_INITIAL_CLUSTER="etcd001=http://192.168.1.11:2380,etcd002=http://192.168.1.12:2380,etcd003=http://192.168.1.13:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-token"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.11:2379"
EOF
 
#etcd02
cat > /etc/etcd/etcd.conf <<EOF
ETCD_NAME=etcd02
ETCD_LISTEN_PEER_URLS="http://0.0.0.0:2380"
ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.12:2380"
ETCD_INITIAL_CLUSTER="etcd001=http://192.168.1.11:2380,etcd002=http://192.168.1.12:2380,etcd003=http://192.168.1.13:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-token"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.12:2379"
EOF
 
#etcd03
cat > /etc/etcd/etcd.conf <<EOF
ETCD_NAME=etcd02
ETCD_LISTEN_PEER_URLS="http://0.0.0.0:2380"
ETCD_LISTEN_CLIENT_URLS="http://0.0.0.0:2379"
ETCD_INITIAL_ADVERTISE_PEER_URLS="http://192.168.1.13:2380"
ETCD_INITIAL_CLUSTER="etcd001=http://192.168.1.11:2380,etcd002=http://192.168.1.12:2380,etcd003=http://192.168.1.13:2380"
ETCD_INITIAL_CLUSTER_STATE="new"
ETCD_INITIAL_CLUSTER_TOKEN="etcd-cluster-token"
ETCD_ADVERTISE_CLIENT_URLS="http://192.168.1.13:2379"
EOF

systemctl enable etcd --now

 测试验证

#添加数据，添加一个behavior值的数据
etcdctl -C http://192.168.1.11:2379 set /behavior "[\"192.168.1.11:80\", \"192.168.1.12:80\"]"

#查询数据
curl http://192.168.1.11:2379/v2/keys/behavior

# 查看节点

etcdctl  member list

搜集自网络