脚本代码

• 主程序，init_host.sh 功能，读取 /root/hostlist 列表内的IP，密码，主机名，批量执行如下设置;
• 将脚本，配置文件拷贝远端主机指定位置
• 执行远端主机/root/remote_operate.sh脚本
• 设置主机名，安装salt-minion

#!/bin/bashPUB_KEY="/root/.ssh/authorized_keys"SALT_CONF="/etc/apt/sources.list.d/saltstack.list"HOST_LIST="/root/hostlist"function run_remote_cmd(){local cmd=$1expect -c "spawn ${cmd}expect {                \"*yes/no*\" {send \"yes\r\"; exp_continue}                \"*password*\" {send \"$password\r\"; exp_continue}                \"*Password*\" {send \"$password\r\";}        }"   }for i in $(cat $HOST_LIST)do        ip=$(echo "$i"|cut -f1 -d":")        password=$(echo "$i"|cut -f2 -d":")        host_name=$(echo "$i"|cut -f3 -d":")        run_remote_cmd "scp ${PUB_KEY}  /root/remote_operate.sh  root@${ip}:/tmp/"        run_remote_cmd "scp ${SALT_CONF} root@${ip}:/etc/apt/sources.list.d/saltstack.list"        run_remote_cmd "ssh root@${ip} echo ${host_name} > /etc/hostname"        run_remote_cmd "ssh root@${ip} /tmp/remote_operate.sh"        run_remote_cmd "ssh root@${ip} apt-get update && apt-get install salt-minion --force-yes -y"        done

• /root/remote_operate.sh 分发给远端机器的脚本，用于设置ssh_auth

#!/bin/bashsource ~/.bashrcif [ ! -d /root/.ssh ];thenmkdir /root/.sshfiif [ -f /root/.ssh/  ];then    cat /tmp/authorized_keys >> /root/.ssh/authorized_keyselse    cp /tmp/authorized_keys /root/.ssh/fi

• /root/hostlist

10.2.0.111:123Abcd:ubuntu-server-00110.2.0.112:123Abcd:ubuntu-server-002

解析一下要点

1 run_remote_cmd() 函数调用了 expect -c "cmd ..." 相当于在shell脚本中插入一段 expect执行代码;

参考

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