def fetch_update_hints(settings, lock):
hints = {}
logging.info("Getting and processing hints...")
try:
messages = _fetch_all_messages(settings)
except Exception, error:
raise JensMessagingError("Could not retrieve messages (%s)" % error)
def purge_queue():
settings = Settings()
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
return queue.purge()
except OSError, error:
raise JensMessagingError("Failed to purge Queue object (%s)" % error)
def count_pending_hints():
settings = Settings()
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
return queue.count()
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
def enqueue_hint(settings, partition, name):
if partition not in ("modules", "hostgroups", "common"):
raise JensMessagingError("Unknown partition '%s'" % partition)
hint = {
'time' : datetime.now().isoformat(),
'data' : pickle.dumps({partition : [name]})
}
_queue_item(settings, hint)
logging.info("Hint '%s/%s' added to the queue" % (partition, name))
def _fetch_all_messages(settings):
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
'time' : datetime.now().isoformat(),
'data' : pickle.dumps({partition : [name]})
}
_queue_item(settings, hint)
logging.info("Hint '%s/%s' added to the queue" % (partition, name))
def _queue_item(settings, item):
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
try:
queue.add(item)
except QueueError, error:
raise JensMessagingError("Failed to element (%s)" % error)
def count_pending_hints(settings):
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
return queue.count()
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
def _fetch_all_messages(settings):
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
msgs = []
for i, name in enumerate(queue):
def _queue_item(item):
settings = Settings()
try:
queue = Queue(settings.MESSAGING_QUEUEDIR, schema=MSG_SCHEMA)
except OSError, error:
raise JensMessagingError("Failed to create Queue object (%s)" % error)
