通过自动化脚本安装以及配置Zookeeper

zookeeper_boot.sh
#!/bin/bash

SERVERS="master slave1 slave2"
PASSWORD=nn1234

auto_ssh_copy_id(){
     expect -c "set timeout -1;
          spawn ssh-copy-id $1;
          expect {
                  *(yes/no)* {send -- yes\r;exp_continue;}
                  *password* {send -- $2\r;exp_continue;}
                  eof        {exit 0;}                    
          }";
}

ssh_copy_id_to_all(){
    for SERVER in $SERVERS
    do
        auto_ssh_copy_id $SERVER $PASSWORD
    done
}

ssh_copy_id_to_all

sid=1

for SERVER in $SERVERS
do
  scp zookeeper_install.sh root@$SERVER:/root
  ssh root@$SERVER /root/zookeeper_install.sh $sid  #sid是设置给myid的值
  let sid++
done

zookeeper_install.sh

#!/bin/bash

PACKAGE_SERVER=192.168.1.10
BASE_DIR=/usr/app/zookeeper-3.4.10

wget -P /usr/app/ $PACKAGE_SERVER/file/zookeeper-3.4.10.tar.gz
cd /usr/app/
tar -zxvf zookeeper-3.4.10.tar.gz
rm -rf zookeeper-3.4.10.tar.gz
cp $BASE_DIR/conf/zoo_sample.cfg $BASE_DIR/conf/zoo.cfg
sed -i 's/\/tmp\/zookeeper/\/usr\/app\/zookeeper-3.4.10\/zoo_data/' $BASE_DIR/conf/zoo.cfg  # 修改dataDir目录
# 配置集群节点
cat >> $BASE_DIR/conf/zoo.cfg << EOF
server.1=master:2888:3888   #2888是leader与flower之间的访问端口(心跳端口)，3888是投票选举leader端口(数据端口)
server.2=slave1:2888:3888
server.3=slave2:2888:3888
EOF

mkdir $BASE_DIR/zoo_data/
cd $BASE_DIR/zoo_data/
echo $1 > myid  # 通过参数的方式来配置myid

rm -f ~/zookeeper_install.sh

zkServer启动脚本zkServerStart.sh
#!/bin/bash

#  export A=1  定义的变量，会对自己所在的shell进程及其子进程生效
# B=1 定义的变量，只对自己所在的shell进程生效
# 在script.sh中定义的变量，在当前登陆的shell进程中 source script.sh时，脚本中定>义的变量也会进入当前登陆的进程

SERVERS="master slave1 slave2"

for server in $SERVERS
do
  echo "start zkServer:  $server"
  ssh root@$server "source /etc/profile;/usr/app/zookeeper-3.4.10/bin/zkServer.sh start"
done