def main():
parser = argparse.ArgumentParser(description="Monitor your MySQL replication status")
parser.add_argument("--config", help="Path to the replmon config file (default: {0})".format(DEFAULT_CNF_FILE),
default=DEFAULT_CNF_FILE)
args = parser.parse_args()
parser = ConfigParser.ConfigParser()
parser.read(args.config)
mysql_args = dict(parser.items("mysql"))
mon = Replmon(mysql_args)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_handler = logging.FileHandler(DEFAULT_LOG_FILE)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
with daemon.DaemonContext(pidfile=lockfile.pidlockfile.PIDLockFile(DEFAULT_PID_FILE),
files_preserve=[file_handler.stream]):
procname.setprocname("replmon")
# noinspection PyBroadException
try:
mon.run()
except Exception:
logger.exception("An error occurred")
class StatusFileTestCase(unittest.TestCase):
def setUp(self):
self.test_dir = tempfile.mkdtemp()
self.status_file = os.path.join(self.test_dir, "replmon.status")
self.mon = Replmon({})
self.mon.status_file = self.status_file
def tearDown(self):
shutil.rmtree(self.test_dir)
def assertFileExists(self, path):
try:
open(path)
except IOError:
self.fail("File does not exist: {0}".format(path))
def test_create_status_file(self):
self.mon.touch_status_file()
self.assertFileExists(self.status_file)
def test_touch_status_file(self):
atime = mtime = 1
open(self.status_file, "w")
os.utime(self.status_file, (atime, mtime))
self.mon.touch_status_file()
stat = os.stat(self.status_file)
self.assertNotEqual(atime, stat.st_atime)
self.assertNotEqual(mtime, stat.st_mtime)
self.assertAlmostEqual(time.time(), stat.st_atime, delta=2)
self.assertAlmostEqual(time.time(), stat.st_mtime, delta=2)
def main():
parser = argparse.ArgumentParser(description="Monitor your MySQL replication status")
parser.add_argument("--config", help="Path to the replmon config file (default: {0})".format(DEFAULT_CNF_FILE),
default=DEFAULT_CNF_FILE)
args = parser.parse_args()
parser = ConfigParser.ConfigParser()
parser.read(args.config)
mysql_args = dict(parser.items("mysql"))
mon = Replmon(mysql_args, DEFAULT_STATUS_FILE, DEFAULT_CHECK_INTERVAL)
try:
user = parser.get("system", "user")
except (ConfigParser.NoSectionError, ConfigParser.NoSectionError):
uid, gid = os.getuid(), os.getgid()
else:
user_entry = pwd.getpwnam(user)
uid, gid = user_entry.pw_uid, user_entry.pw_gid
# Ensure we can touch the status file
for dir in map(os.path.dirname, [DEFAULT_PID_FILE, DEFAULT_STATUS_FILE]):
ensure_writable(dir, uid, gid)
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
file_handler = logging.FileHandler(DEFAULT_LOG_FILE)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
with daemon.DaemonContext(pidfile=lockfile.pidlockfile.PIDLockFile(DEFAULT_PID_FILE),
files_preserve=[file_handler.stream], uid=uid, gid=gid):
procname.setprocname("replmon")
# noinspection PyBroadException
try:
mon.run()
except Exception:
logger.exception("An error occurred")
def setUp(self):
self.test_dir = tempfile.mkdtemp()
self.status_file = os.path.join(self.test_dir, "replmon.status")
self.mon = Replmon({})
self.mon.status_file = self.status_file
