def run(self):
logging.basicConfig(filename=self.log)
logging.info('Sniper starting')
while True:
time.sleep(1)
# fetch
logging.info('FETCHING')
proc_info = ''
ret = commands.getstatusoutput(
'mysql -u%s -p%s -s -e '\
'"SHOW ENGINE INNODB STATUS\G"' % (self.user, self.password))
if ret[0] == 0:
proc_info = ret[1]
else:
logging.error(
'sniper.py - Failed to fetch DB status: %s' % ret[1])
# Parse
parser = MySqlParser(StringIO.StringIO(proc_info))
result = {}
data = parser.initial_parse()
if _TRANSACTIONS in data:
result[_TRANSACTIONS] = parser.parse_transactions(data[_TRANSACTIONS])
# Kill
if _TRANSACTIONS in result:
data = result[_TRANSACTIONS]
self.kill(data)
else:
logging.info('sniper.py found no data from the parser')
class TestMySqlParser(unittest.TestCase):
def setUp(self):
self.parser = MySqlParser(StringIO.StringIO(_TEST_BUFFER))
def test_initial_parse(self):
data = self.parser.initial_parse()
self.assertIn("BACKGROUND THREAD", data.keys())
self.assertIn("SEMAPHORES", data.keys())
self.assertIn("TRANSACTIONS", data.keys())
self.assertIn("FILE I/O", data.keys())
self.assertIn("INSERT BUFFER AND ADAPTIVE HASH INDEX", data.keys())
self.assertIn("LOG", data.keys())
self.assertIn("BUFFER POOL AND MEMORY", data.keys())
self.assertIn("ROW OPERATIONS", data.keys())
def test_parse_transactions(self):
data = self.parser.parse_transactions(_TEST_TRANSACTIONS)
self.assertEqual(_EXPECTED_TRANSACTIONS, data)