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#!/usr/bin/python
import outer_packages
import daemon
from trex_server import do_main_program, trex_parser
import CCustomLogger
import logging
import time
import sys
import os, errno
import grp
import signal
from daemon import runner
from extended_daemon_runner import ExtendedDaemonRunner
import lockfile
import errno
class TRexServerApp(object):
def __init__(self):
TRexServerApp.create_working_dirs()
self.stdin_path = '/dev/null'
self.stdout_path = '/dev/tty' # All standard prints will come up from this source.
self.stderr_path = "/var/log/trex/trex_daemon_server.log" # All log messages will come up from this source
self.pidfile_path = '/var/run/trex/trex_daemon_server.pid'
self.pidfile_timeout = 5 # timeout in seconds
def run(self):
do_main_program()
@staticmethod
def create_working_dirs():
if not os.path.exists('/var/log/trex'):
os.mkdir('/var/log/trex')
if not os.path.exists('/var/run/trex'):
os.mkdir('/var/run/trex')
def main ():
trex_app = TRexServerApp()
# setup the logger
default_log_path = '/var/log/trex/trex_daemon_server.log'
try:
CCustomLogger.setup_daemon_logger('TRexServer', default_log_path)
logger = logging.getLogger('TRexServer')
logger.setLevel(logging.INFO)
formatter = logging.Formatter("%(asctime)s %(name)-10s %(module)-20s %(levelname)-8s %(message)s")
handler = logging.FileHandler("/var/log/trex/trex_daemon_server.log")
logger.addHandler(handler)
except EnvironmentError, e:
if e.errno == errno.EACCES: # catching permission denied error
print "Launching user must have sudo privileges in order to run TRex daemon.\nTerminating daemon process."
exit(-1)
try:
daemon_runner = ExtendedDaemonRunner(trex_app, trex_parser)
except IOError as err:
# catch 'tty' error when launching server from remote location
if err.errno == errno.ENXIO:
trex_app.stdout_path = "/dev/null"
daemon_runner = ExtendedDaemonRunner(trex_app, trex_parser)
else:
raise
#This ensures that the logger file handle does not get closed during daemonization
daemon_runner.daemon_context.files_preserve=[handler.stream]
try:
if not set(['start', 'stop']).isdisjoint(set(sys.argv)):
print "Logs are saved at: {log_path}".format( log_path = default_log_path )
daemon_runner.do_action()
except lockfile.LockTimeout as inst:
logger.error(inst)
print inst
print """
Please try again once the timeout has been reached.
If this error continues, consider killing the process manually and restart the daemon."""
if __name__ == "__main__":
main()
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