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isolated ramparts: replace systemd unit with a tower-expect binary

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instead of launching isolated tasks via `systemctl`, treat
`awx.main.isolated.run` as an executable that knows how to daemonize

additionally, add `setup.py isolated_build` for isolated Tower source
distribution
This commit is contained in:
Ryan Petrello
2017-06-14 14:48:47 -04:00
parent 422950f45d
commit 44e0c8621a
13 changed files with 107 additions and 111 deletions
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62
awx/lib/tower_display_callback/events.py
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@@ -22,7 +22,6 @@ import base64
import contextlib
import datetime
import json
import logging
import multiprocessing
import os
import stat
@@ -30,69 +29,9 @@ import threading
import uuid
import memcache
# Kombu
from kombu import Connection, Exchange, Producer
__all__ = ['event_context']
class CallbackQueueEventDispatcher(object):
def __init__(self):
self.callback_connection = os.getenv('CALLBACK_CONNECTION', None)
self.connection_queue = os.getenv('CALLBACK_QUEUE', '')
self.connection = None
self.exchange = None
self._init_logging()
def _init_logging(self):
try:
self.job_callback_debug = int(os.getenv('JOB_CALLBACK_DEBUG', '0'))
except ValueError:
self.job_callback_debug = 0
self.logger = logging.getLogger('awx.plugins.callback.job_event_callback')
if self.job_callback_debug >= 2:
self.logger.setLevel(logging.DEBUG)
elif self.job_callback_debug >= 1:
self.logger.setLevel(logging.INFO)
else:
self.logger.setLevel(logging.WARNING)
handler = logging.StreamHandler()
formatter = logging.Formatter('%(levelname)-8s %(process)-8d %(message)s')
handler.setFormatter(formatter)
self.logger.addHandler(handler)
self.logger.propagate = False
def dispatch(self, obj):
if not self.callback_connection or not self.connection_queue:
return
active_pid = os.getpid()
for retry_count in xrange(4):
try:
if not hasattr(self, 'connection_pid'):
self.connection_pid = active_pid
if self.connection_pid != active_pid:
self.connection = None
if self.connection is None:
self.connection = Connection(self.callback_connection)
self.exchange = Exchange(self.connection_queue, type='direct')
producer = Producer(self.connection)
producer.publish(obj,
serializer='json',
compression='bzip2',
exchange=self.exchange,
declare=[self.exchange],
routing_key=self.connection_queue)
return
except Exception, e:
self.logger.info('Publish Job Event Exception: %r, retry=%d', e,
retry_count, exc_info=True)
retry_count += 1
if retry_count >= 3:
break
class IsolatedFileWrite:
'''
Stand-in class that will write partial event data to a file as a
@@ -123,7 +62,6 @@ class EventContext(object):
def __init__(self):
self.display_lock = multiprocessing.RLock()
self.dispatcher = CallbackQueueEventDispatcher()
cache_actual = os.getenv('CACHE', '127.0.0.1:11211')
if os.getenv('AWX_ISOLATED_DATA_DIR', False):
self.cache = IsolatedFileWrite()