ansible/test/integration/targets/service_facts/files/ansible_test_service.py
Abhijeet Kasurde 723a904f4e
Handle disabled service units (#69349)
Signed-off-by: Abhijeet Kasurde <akasurde@redhat.com>
2020-06-01 09:40:52 -04:00

73 lines
1.5 KiB
Python

#!/usr/bin/env python
# this is mostly based off of the code found here:
# http://code.activestate.com/recipes/278731-creating-a-daemon-the-python-way/
from __future__ import absolute_import, division, print_function
__metaclass__ = type
import os
import resource
import signal
import time
UMASK = 0
WORKDIR = "/"
MAXFD = 1024
if (hasattr(os, "devnull")):
REDIRECT_TO = os.devnull
else:
REDIRECT_TO = "/dev/null"
def createDaemon():
try:
pid = os.fork()
except OSError as e:
raise Exception("%s [%d]" % (e.strerror, e.errno))
if (pid == 0):
os.setsid()
try:
pid = os.fork()
except OSError as e:
raise Exception("%s [%d]" % (e.strerror, e.errno))
if (pid == 0):
os.chdir(WORKDIR)
os.umask(UMASK)
else:
f = open('/var/run/ansible_test_service.pid', 'w')
f.write("%d\n" % pid)
f.close()
os._exit(0)
else:
os._exit(0)
maxfd = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
if (maxfd == resource.RLIM_INFINITY):
maxfd = MAXFD
for fd in range(0, maxfd):
try:
os.close(fd)
except OSError: # ERROR, fd wasn't open to begin with (ignored)
pass
os.open(REDIRECT_TO, os.O_RDWR)
os.dup2(0, 1)
os.dup2(0, 2)
return (0)
if __name__ == "__main__":
signal.signal(signal.SIGHUP, signal.SIG_IGN)
retCode = createDaemon()
while True:
time.sleep(1000)