【shell】【demo】expect连接主机，并在主机上执行shell脚本

【node_ips.txt】

10.10.0.17,root,AaBbCc

10.10.0.18,root,AaBbCc

【get_tree.sh】

#!/bin/bash

typeset server_host=$1

typeset server_username=$2

typeset server_password=$3

typeset server_treefile_path=$4

typeset node_ip=`hostname -i"

typeset NE_arr=("NODE1" "NODE2" "NODE _C" "NODE_D" "NODE_E")

for NE in ${NE_arr[@]}

case ${NE} in

"NODE_C")

NE="NODE3"

;;

"NODE_D")

NE="NODE4"

;;

"NODE_E")

NE="NODE5"

;;

echo "pls check the array NE_arr between node1 and node5"

exit;

esac

typeset node_treefile_file="/tmp/treefile_${NE}.txt"

typeset tree_param=phifsDug

tree_user=${echo ${NE}|tr '[A-Z]' '[a-z]'}

tree_dir="/home/${tree_user}"

if id -u ${tree_user} >/dev/null 2>&1; then

tree -${tree_param} ${tree_dir} > ${node_treefile_file}

expect -c "

spawn scp -r ${node_treefile_file} ${server_username}@${server_host}:${server_treefile_path}

expect {

\"*continue*\" {send \"yes\r\";exp_continue}

\"*Password:*\" {send \"${server_password}\r\";} }

set timeout -1

expect off;"

else

echo "[INFO] user ${tree_user} does not exsit on host IP ${node_ip}ip"

done

【main.sh】

#!/bin/bash

node_path="/tmp"

node_execute_path="${nodeq_path}/treeTools"

node_tree_log="${node_execute_path}/tree_log.log" #日志

curPath=`pwd`

typeset server_host=`hostname -i` #所有节点tree结果上传到当前执行脚本的机器上

typeset server_username="root"

typeset server_password= "AaBbCc"

typeset server_treefile_path="${curPath}/treefiles"

mkdir -p ${server_treefile_path}

while read line

if [ -z ${line} ];then

break;

typeset node_ip=`echo ${line}|awk -F ',' '{print $1}'`

typeset node_username=`echo ${line}|awk -F ',' '{print $2}'`

typeset node_passW=`echo ${line}|awk -F ',' '{print $3}'`

#上传脚本到节点

expect -c "

spawn scp -r ${curPath}/get_tree.sh ${node_username}@${node_ip}:${node_path}

expect {

\"*continue*\" {send \"yes\r\";exp_continue}

\"*Password:*\" {send \"${node_passW}\r\";}

}

set timeout -1

expect off;"

#ssh到节点，并在节点上执行脚本

/usr/bin/expect <<-EOF

spawn ssh ${node_username}@${node_ip}

set timeout -1

expect {

\"yes/no\" {send \"yes\r\";exp_continue}

\"assword:*\" {send \"${node_passW}\r\";}

#识别命令行的 "~]$" ，并键入相关命令（PS1变量）

expect "~ # "

send "mkdir -p ${node_exec_path}\r"

send "mv ${node_path}/get_tree.sh ${node_exec_path}\r"

send "cd ${node_exec_path}\r"

send "sh get_tree.sh ${server_host} ${server_username} ${server_password} ${server_treefile_path} > ${node_tree_log}\r"

send "exit\r"

expect eof

EOF

done < ${curPath}/ips.txt

来源：oschina

链接：https://my.oschina.net/u/4324410/blog/3646006

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