def main(self):
raw_options = parse_options()
self.logger.info("Starting powa-collector...")
if (not self.connect(raw_options)):
exit(1)
self.config = add_servers_config(self.__repo_conn, raw_options)
for k, conf in self.config["servers"].items():
self.register_worker(k, self.config["repository"], conf)
self.list_workers()
try:
while (not self.stopping):
if (self.__repo_conn is not None):
try:
cur = self.__repo_conn.cursor()
cur.execute("SELECT 1")
cur.close()
except Exception:
self.__repo_conn = None
self.logger.warning("Connection was dropped!")
if (not self.__repo_conn):
self.connect(raw_options)
select.select([self.__repo_conn], [], [], 10)
self.process_notification()
except KeyboardInterrupt:
self.logger.debug("KeyboardInterrupt caught")
self.logger.info("Stopping all workers and exiting...")
self.stop_all_workers()
def main(self):
"""Start the active loop.
Connect or reconnect to the repository and starts threads to manage the
monitored servers
"""
raw_options = parse_options()
self.logger.info("Starting powa-collector...")
if (not self.connect(raw_options)):
exit(1)
try:
self.config = add_servers_config(self.__repo_conn, raw_options)
except psycopg2.Error as e:
self.__repo_conn.close()
self.__repo_conn = None
self.logger.error(
"Error retrieving the list of remote servers:"
"\n%s", e)
exit(1)
for k, conf in self.config["servers"].items():
self.register_worker(k, self.config["repository"], conf)
self.list_workers()
try:
while (not self.stopping):
if (self.__repo_conn is not None):
try:
cur = self.__repo_conn.cursor()
cur.execute("SELECT 1")
cur.close()
except Exception:
self.__repo_conn = None
self.logger.warning("Connection was dropped!")
if (not self.__repo_conn):
self.connect(raw_options)
select.select([self.__repo_conn], [], [], 10)
self.process_notification()
except KeyboardInterrupt:
self.logger.debug("KeyboardInterrupt caught")
self.logger.info("Stopping all workers and exiting...")
self.stop_all_workers()
def __init__(self):
self.workers = {}
self.logger = logging.getLogger("powa-collector")
self.stopping = False
raw_options = parse_options()
loglevel = logging.INFO
if (raw_options["debug"]):
loglevel = logging.DEBUG
extra = {'threadname': '-'}
logging.basicConfig(
format='%(asctime)s %(threadname)s %(levelname)-6s: %(message)s ',
level=loglevel)
self.logger = logging.LoggerAdapter(self.logger, extra)
signal.signal(signal.SIGHUP, self.sighandler)
signal.signal(signal.SIGTERM, self.sighandler)