expect提取性能数据cpu/disk/mem

#!/usr/bin/expect

set timeout 5

foreach i {192.168.3.8 192.168.3.100} {

spawn ssh root@$i

expect {

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

"*password:" { send "vision\r" }

}

expect "]*"

send "mkdir -p /root/${i}performance\r"

expect "]*"

send "free -m >/root/${i}performance/mem.txt\r"

expect "]*"

send "df -Th >/root/${i}performance/diskmem.txt\r"

expect "]*"

send "top -bn1 | grep 'Cpu(s)' >/root/${i}performance/cpu.txt\r"

sleep 1

spawn scp -rp  $i:/root/${i}performance /root/

expect "*password*"

send "vision\r"

expect eof

sleep 2

}