You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
haproxy-wi/app/tools/checker_worker.py

106 lines
3.1 KiB

#!/usr/bin/env python3
import subprocess
from subprocess import check_output, CalledProcessError
import time
import argparse
import os, sys
sys.path.append(os.path.join(sys.path[0], os.path.dirname(os.getcwd())))
sys.path.append(os.path.join(sys.path[0], os.getcwd()))
import funct
import signal
class GracefulKiller:
kill_now = False
def __init__(self):
signal.signal(signal.SIGINT, self.exit_gracefully)
signal.signal(signal.SIGTERM, self.exit_gracefully)
def exit_gracefully(self,signum, frame):
self.kill_now = True
def main(serv, port):
port = str(port)
firstrun = True
currentstat = []
oldstat = []
readstats = ""
killer = GracefulKiller()
old_stat_service = ""
while True:
try:
readstats = subprocess.check_output(["echo show stat | nc "+serv+" "+port], shell=True)
except CalledProcessError as e:
if firstrun == False:
cur_stat_service = "error"
if old_stat_service != cur_stat_service:
alert = "Can't connect to HAProxy service at " + serv
funct.telegram_send_mess(str(alert), ip=serv)
funct.logging("localhost", " "+alert, alerting=1)
firstrun = False
old_stat_service = cur_stat_service
time.sleep(60)
continue
except OSError as e:
print(e)
sys.exit()
else:
cur_stat_service = "Ok"
if firstrun == False:
if old_stat_service != cur_stat_service:
alert = "Now UP HAProxy service at " + serv
funct.telegram_send_mess(str(alert), ip=serv)
funct.logging("localhost", " "+alert, alerting=1)
firstrun = True
time.sleep(5)
old_stat_service = cur_stat_service
vips = readstats.splitlines()
for i in range(0,len(vips)):
if "UP" in str(vips[i]):
currentstat.append("UP")
elif "DOWN" in str(vips[i]):
currentstat.append("DOWN")
elif "MAINT" in str(vips[i]):
currentstat.append("MAINT")
else:
currentstat.append("none")
if firstrun == False:
if (currentstat[i] != oldstat[i] and currentstat[i]!="none") and ("FRONTEND" not in str(vips[i]) and "BACKEND" not in str(vips[i])):
servername = str(vips[i])
servername = servername.split(",")
realserver = servername[0]
server = servername[1]
alert = "Backend: "+realserver[2:]+", server: "+server+" has changed status to "+ currentstat[i] + " at " + serv
funct.telegram_send_mess(str(alert), ip=serv)
funct.logging("localhost", " "+alert, alerting=1)
firstrun = False
oldstat = []
oldstat = currentstat
currentstat = []
time.sleep(60)
if killer.kill_now:
break
funct.logging("localhost", " Worker shutdown for: "+serv, alerting=1)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description='Check HAProxy servers state.', prog='check_haproxy.py', formatter_class=argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('IP', help='Start check HAProxy server state at this ip', nargs='?', type=str)
parser.add_argument('--port', help='Start check HAProxy server state at this port', nargs='?', default=1999, type=int)
args = parser.parse_args()
if args.IP is None:
parser.print_help()
import sys
sys.exit()
else:
try:
main(args.IP, args.port)
except KeyboardInterrupt:
pass