def manage_watchers(self):
if not self.busy and self.alive:
self.busy = True
# manage and reap processes
self.reap_processes()
for watcher in self.iter_watchers():
watcher.manage_processes()
if self.check_flapping and not self.flapping.is_alive():
self.flapping = Flapping(self.context, self.endpoint,
self.pubsub_endpoint,
self.check_delay)
self.flapping.start()
self.busy = False
def initialize(self):
# set process title
_setproctitle("circusd")
# event pub socket
self.evpub_socket = self.context.socket(zmq.PUB)
self.evpub_socket.bind(self.pubsub_endpoint)
self.evpub_socket.linger = 0
# initialize flapping
if self.check_flapping:
self.flapping = Flapping(self.context, self.endpoint,
self.pubsub_endpoint, self.check_delay)
# initialize watchers
for watcher in self.iter_watchers():
self._watchers_names[watcher.name.lower()] = watcher
watcher.initialize(self.evpub_socket)
def __init__(self,
name,
cmd,
num_flies=1,
warmup_delay=0.,
working_dir=None,
shell=False,
uid=None,
gid=None,
send_hup=False,
env=None,
stopped=False,
times=2,
within=1.,
retry_in=7.,
max_retry=5):
self.name = name
self.num_flies = int(num_flies)
self.warmup_delay = warmup_delay
self.cmd = cmd
self._fly_counter = 0
self.stopped = stopped
self.max_retry = max_retry
self.optnames = ("num_flies", "warmup_delay", "working_dir", "uid",
"gid", "send_hup", "shell", "env", "cmd", "times",
"within", "retry_in", "max_retry")
if not working_dir:
# working dir hasn't been set
working_dir = util.get_working_dir()
self.working_dir = working_dir
self.flies = {}
self.shell = shell
self.uid = uid
self.gid = gid
self.env = env
self.send_hup = send_hup
# define flapping object
self.flapping = Flapping(self, times, within, retry_in, max_retry)
