python 自动拉起进程脚本

cat /usr/local/ssdb/moniter_ssdb.py
#!/usr/bin/env python
import os
import sys
import commands

#ssdb port
Precosslist = ('17000','17005','17010','17015','17020','17025','17030',
'17035','17040','17045','17050','17055','17060','17065',
'17070','17075','17080','17085','17090','17095')

for port in Precosslist:
        acd = "ps -ef|grep friend_" + port + "|grep -v grep"
        (status,output) = commands.getstatusoutput(acd)
        
        if status == 256:
                ssdb_file1 = "rm /data/ssdb/friend_" + port + "/var/ssdb.pid -rf"
                ssdb_file2 = "cd /usr/local/ssdb;./ssdb-server -d /data/ssdb/friend_" + port + "/ssdb_friend_" + port + ".conf -s start"
                (status,output) = commands.getstatusoutput(ssdb_file1)
                (status,output) = commands.getstatusoutput(ssdb_file2)