Linux service monitoring and operation and maintenance

wget https://pypi.python.org/packages/source/p/psutil/psutil-2.1.3.tar.gz

res = psutil.process_iter()

for var in res:

print(var)

import psutil
proc_dict = {}
#ID: process name proc_name = set()
#About the process set, set deduplication for p in psutil.process_iter():
    proc_dict[p.pid] = p.name()
    proc_name.add(p.name())
print(proc_dict)
print('\n\n--------------------------\n')
print(proc_name)

proc_stop = monitor_name - proc_name

import psutil
import os
#If you need to send an email to notify the administrator, you may need to use request and json
#import request
#import json
import time

time_now = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
#Service to be monitored monitor_name = {'nginx'}
#Start command monitor_map = {'nginx':'service nginx start'}

while True:
    #Dictionary of all processes in the operating system proc_dict = {}

    #Set of all process names in the operating system proc_name = set()

    #psutil.process_iter() will return all process names and process IDs in the operating system
    for p in psutil.process_iter():
        proc_dict[p.pid] = p.name()
        proc_name.add(p.name())
    print(proc_dict)
    print('\n\n--------------------------\n')
    print(proc_name)

    # monitor_name - proc_name == died process name
    #Extract the monitoring process that has not started proc_stop = monitor_name - proc_name
    print(proc_stop)
    if proc_stop:
        for p in proc_stop:
             p_status = 'Stop'
             p_name = p
             data ={p_status,p_name,time_now}
             headers = {'Content-Type':'application/json;charset=utf-8'}
             #send_data = json.dumps(data).encode('utf-8')
             #Send an email to the administrator#request.post(url=url,data=send_data,headers=headers)

             os.system(monitor_map[p])
             proc_name = set()

             for p2 in psutil.process_iter():
                 proc_name.add(p2.name())

             if p in proc_name:
                  print("Restart successful")
              else:
                  print("Restart failed")
 time.sleep(2000)