def start(logpipe, execve_args, execve_path, pidfile):
# open the pipe to ROTATELOGS
#so = se = open("my.log", 'w', 0)
so = se = os.popen(logpipe, 'w')
# re-open stdout without buffering
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
# redirect stdout and stderr to the log file opened above
os.dup2(so.fileno(), sys.stdout.fileno())
os.dup2(se.fileno(), sys.stderr.fileno())
daemonize(no_close=True, pidfile=pidfile)
print execve_path
os.execv(execve_path, execve_args)
#!/usr/bin/env python from grizzled.os import daemonize from os import environ, execve, getcwd, chdir from sys import argv from paste import run PYTHON_EXECUTABLE = 'python2' # daemonize sets the cwd to /, so keep a track of the current cwd... cwd = getcwd() daemonize(no_close=True, pidfile=cwd+'/paste.pid') # ... and we go back in this directory chdir(cwd) run()
LOGDURATION = 86400
logdir = LOGDIR
logger = ROTATELOGS_CMD
hostname = gethostname()
# service is the name of the Python module pointing to your Tornado web server
# for example myapp.web
execve_args = [PYTHON_BINARY]
execve_args.extend(sys.argv[1:])
service = sys.argv[1].split('/')[-1]
logfile = "%s_%s_log.%%Y-%%m-%%d" % (service, hostname)
pidfile = "%s/%s.pid" % (logdir, service)
logpipe ="%s %s/%s %d" % (logger, logdir, logfile, LOGDURATION)
execve_path = PATH_TO_PYTHON_BINARY
# open the pipe to ROTATELOGS
so = se = os.popen(logpipe, 'w')
# re-open stdout without buffering
sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
# redirect stdout and stderr to the log file opened above
os.dup2(so.fileno(), sys.stdout.fileno())
os.dup2(se.fileno(), sys.stderr.fileno())
# daemonize the calling process and replace it with the Tornado process
daemonize(no_close=True, pidfile=pidfile)
os.execv(execve_path, execve_args)
