How to use expect to automatically detect and restart programs on another server

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[s005 you] # cat haproxy_expect

The code is as follows:

#! / usr/bin/expect

Set ssh_user "fivetrees"

Set password "123456"

Spawn ssh-I / root/.ssh/$ssh_user Server004.xd.com

Expect_before "no)? {

Send "yes\ r"}

Sleep 0.5

Expect "Enter passphrase for key*"

Send "$password\ r"

Expect "* #"

Send "/ tmp/haproxy.sh\ r"

Expect "* #"

Send "echo\ r"

Exit

[s004 him] # cat haproxy.sh

The code is as follows:

#! / bin/bash

Thread= `ps-ef | grep haproxy | grep-v haproxy.sh | grep-v grep`

If [- z "$Thread"]

Then

/ tmp/haproxy_expect

Fi

[s004 him] # cat haproxy_expect

The code is as follows:

#! / usr/bin/expect

Set ssh_user "fivetrees"

Set password "123456"

Spawn ssh-I / root/.ssh/$ssh_user Server005.xd.com

Expect_before "no)? {

Send "yes\ r"}

Sleep 0.5

Expect "Enter passphrase for key*"

Send "$password\ r"

Expect "* #"

Send "/ usr/local/haproxy/sbin/haproxy-f / usr/local/haproxy/haproxy.cfg\ r"

Expect "* #"

Send "echo\ r"

Exit

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