sintonia/python_apps/media-monitor/mm2/media/saas/launcher.py

134 lines
5.1 KiB
Python

import os, sys
import logging
import logging.config
from ..monitor import pure as mmp
from ..monitor.exceptions import FailedToObtainLocale, FailedToSetLocale
from ..monitor.log import get_logger, setup_logging
from std_err_override import LogWriter
from ..saas.thread import InstanceThread, user, apc, getsig
from ..monitor.log import Loggable
from ..monitor.exceptions import CouldNotCreateIndexFile
from ..monitor.toucher import ToucherThread
from ..monitor.airtime import AirtimeNotifier, AirtimeMessageReceiver
from ..monitor.watchersyncer import WatchSyncer
from ..monitor.eventdrainer import EventDrainer
from ..monitor.manager import Manager
from ..monitor.syncdb import AirtimeDB
from airtimeinstance import AirtimeInstance
class MM2(InstanceThread, Loggable):
def index_create(self, index_create_attempt=False):
config = user().mm_config
if not index_create_attempt:
if not os.path.exists(config['media-monitor']['index_path']):
self.logger.info("Attempting to create index file:...")
try:
with open(config['media-monitor']['index_path'], 'w') as f: f.write(" ")
except Exception as e:
self.logger.info("Failed to create index file with exception: %s" \
% str(e))
else:
self.logger.info("Created index file, reloading configuration:")
self.index_create(index_create_attempt=True)
else:
self.logger.info("Already tried to create index. Will not try again ")
if not os.path.exists(config['media-monitor']['index_path']):
raise CouldNotCreateIndexFile(config['media-monitor']['index_path'])
def run(self):
self.index_create()
manager = Manager()
apiclient = apc()
config = user().mm_config
WatchSyncer(signal=getsig('watch'),
chunking_number=config['media-monitor']['chunking_number'],
timeout=config['media-monitor']['request_max_wait'])
airtime_receiver = AirtimeMessageReceiver(config,manager)
airtime_notifier = AirtimeNotifier(config, airtime_receiver)
adb = AirtimeDB(apiclient)
store = {
u'stor' : adb.storage_path(),
u'watched_dirs' : adb.list_watched(),
}
self.logger.info("initializing mm with directories: %s" % str(store))
self.logger.info(
"Initing with the following airtime response:%s" % str(store))
airtime_receiver.change_storage({ 'directory':store[u'stor'] })
for watch_dir in store[u'watched_dirs']:
if not os.path.exists(watch_dir):
# Create the watch_directory here
try: os.makedirs(watch_dir)
except Exception:
self.logger.error("Could not create watch directory: '%s' \
(given from the database)." % watch_dir)
if os.path.exists(watch_dir):
airtime_receiver.new_watch({ 'directory':watch_dir }, restart=True)
else: self.logger.info("Failed to add watch on %s" % str(watch_dir))
EventDrainer(airtime_notifier,
interval=float(config['media-monitor']['rmq_event_wait']))
# Launch the toucher that updates the last time when the script was
# ran every n seconds.
# TODO : verify that this does not interfere with bootstrapping because the
# toucher thread might update the last_ran variable too fast
ToucherThread(path=user().touch_file_path(),
interval=int(config['media-monitor']['touch_interval']))
success = False
while not success:
try:
apiclient.register_component('media-monitor')
success = True
except Exception, e:
self.logger.error(str(e))
import time
time.sleep(10)
manager.loop()
def launch_instance(name, root, global_cfg):
cfg = {
'api_client' : global_cfg,
'media_monitor' : global_cfg,
}
ai = AirtimeInstance(name, root, cfg)
MM2(ai).start()
def setup_global(log):
""" setup unicode and other stuff """
log.info("Attempting to set the locale...")
try: mmp.configure_locale(mmp.get_system_locale())
except FailedToSetLocale as e:
log.info("Failed to set the locale...")
sys.exit(1)
except FailedToObtainLocale as e:
log.info("Failed to obtain the locale form the default path: \
'/etc/default/locale'")
sys.exit(1)
except Exception as e:
log.info("Failed to set the locale for unknown reason. \
Logging exception.")
log.info(str(e))
def setup_logger(log_config, logpath):
logging.config.fileConfig(log_config)
#need to wait for Python 2.7 for this..
#logging.captureWarnings(True)
logger = logging.getLogger()
LogWriter.override_std_err(logger)
logfile = unicode(logpath)
setup_logging(logfile)
log = get_logger()
return log