def info():
from csl import serviceType
from csl import serviceDesc
state = is_on()
try:
from csl import status
if status():
if state == "off":
state = "started"
else:
if state == "on":
state = "stopped"
except:
pass
return "\n".join([serviceType, state, serviceDesc])
def info():
from csl import serviceType
from csl import serviceDesc
state = is_on()
try:
from csl import status
if status():
if state == "off":
state = "started"
elif state == "conditional":
state = "conditional_started"
else:
if state == "on":
state = "stopped"
elif state == "conditional":
state = "conditional_stopped"
except:
pass
return serviceType, serviceDesc, state
def info():
from csl import serviceType
from csl import serviceDesc
state = is_on()
try:
from csl import status
if status():
if state == "off":
state = "started"
elif state == "conditional":
state = "conditional_started"
else:
if state == "on":
state = "stopped"
elif state == "conditional":
state = "conditional_stopped"
except:
pass
return serviceType, serviceDesc, state
def startService(command,
args=None,
pidfile=None,
makepid=False,
nice=None,
detach=False,
chuid=None,
donotify=False):
"""Start given service.
command: Path to the service executable.
args: Optional arguments to the service executable.
pidfile: Process ID of the service is kept in this file when running.
nice: This value is added to the service process' niceness value, which
decreases its scheduling priority.
chuid: Change to this user:group before starting the service.
detach: If the service doesn't detach on its own, this option will fork
and run it in the background.
makepid: Write the pid file if service does not create on its own. Mostly useful
with the detach option.
donotify: If True, automatically make Comar notification when service is run.
Also automatically fail() if something goes wrong.
"""
cmd = [command]
if args:
if isinstance(args, basestring):
args = shlex.split(args)
cmd.extend(args)
try:
from csl import status
if status():
# Already running, no need to send notification, just return OK
return None
except:
pass
if pidfile:
pid = _getPid(pidfile)
if _checkPid(pid, command=command):
# Already running, no need to send notification, just return OK
return None
def fork_handler():
if detach:
# Set umask to a sane value
# (other and group has no write permission by default)
os.umask(022)
# Detach from controlling terminal
try:
tty_fd = os.open("/dev/tty", os.O_RDWR)
fcntl.ioctl(tty_fd, termios.TIOCNOTTY)
os.close(tty_fd)
except OSError:
pass
# Close IO channels
devnull_fd = os.open("/dev/null", os.O_RDWR)
os.dup2(devnull_fd, 0)
os.dup2(devnull_fd, 1)
os.dup2(devnull_fd, 2)
# Detach from process group
os.setsid()
if nice is not None:
os.nice(nice)
if makepid and pidfile:
file(pidfile, "w").write("%d\n" % os.getpid())
if chuid:
changeUID(chuid)
popen = subprocess.Popen(cmd,
close_fds=True,
preexec_fn=fork_handler,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
if detach:
if donotify:
# We blindly send this, cause there is no way to track detached
# process' return code.
notify("System.Service", "Changed", (script(), "started"))
return execReply(0)
else:
ret = execReply(popen.wait())
if donotify:
if ret == 0:
notify("System.Service", "Changed", (script(), "started"))
else:
ret.stdout, ret.stderr = popen.communicate()
err = "Unable to start service."
if ret.stderr != "":
err = "Unable to start: " + str(ret.stderr)
fail(err)
return ret
def startService(command, args=None, pidfile=None, makepid=False, nice=None, detach=False, chuid=None, donotify=False):
"""Start given service.
command: Path to the service executable.
args: Optional arguments to the service executable.
pidfile: Process ID of the service is kept in this file when running.
nice: This value is added to the service process' niceness value, which
decreases its scheduling priority.
chuid: Change to this user:group before starting the service.
detach: If the service doesn't detach on its own, this option will fork
and run it in the background.
makepid: Write the pid file if service does not create on its own. Mostly useful
with the detach option.
donotify: If True, automatically make Comar notification when service is run.
Also automatically fail() if something goes wrong.
"""
cmd = [ command ]
if args:
if isinstance(args, basestring):
args = shlex.split(args)
cmd.extend(args)
try:
from csl import status
if status():
# Already running, no need to send notification, just return OK
return None
except:
pass
if pidfile:
pid = _getPid(pidfile)
if _checkPid(pid, command=command):
# Already running, no need to send notification, just return OK
return None
def fork_handler():
if detach:
# Set umask to a sane value
# (other and group has no write permission by default)
os.umask(022)
# Detach from controlling terminal
try:
tty_fd = os.open("/dev/tty", os.O_RDWR)
fcntl.ioctl(tty_fd, termios.TIOCNOTTY)
os.close(tty_fd)
except OSError:
pass
# Close IO channels
devnull_fd = os.open("/dev/null", os.O_RDWR)
os.dup2(devnull_fd, 0)
os.dup2(devnull_fd, 1)
os.dup2(devnull_fd, 2)
# Detach from process group
os.setsid()
if nice is not None:
os.nice(nice)
if makepid and pidfile:
file(pidfile, "w").write("%d\n" % os.getpid())
if chuid:
_changeUID(chuid)
popen = subprocess.Popen(cmd, close_fds=True, preexec_fn=fork_handler, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
if detach:
if donotify:
# We blindly send this, cause there is no way to track detached
# process' return code.
notify("System.Service", "Changed", (script(), "started"))
return execReply(0)
else:
ret = execReply(popen.wait())
if donotify:
if ret == 0:
notify("System.Service", "Changed", (script(), "started"))
else:
ret.stdout, ret.stderr = popen.communicate()
err = "Unable to start service."
if ret.stderr != "":
err = "Unable to start: " + str(ret.stderr)
fail(err)
return ret
