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rocksdb/tools/advisor/test/test_db_log_parser.py

104 lines
4.5 KiB

# Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
# This source code is licensed under both the GPLv2 (found in the
# COPYING file in the root directory) and Apache 2.0 License
# (found in the LICENSE.Apache file in the root directory).
from advisor.db_log_parser import DatabaseLogs, Log, NO_COL_FAMILY
from advisor.rule_parser import Condition, LogCondition
import os
import unittest
class TestLog(unittest.TestCase):
def setUp(self):
self.column_families = ['default', 'col_fam_A']
def test_get_column_family(self):
test_log = (
"2018/05/25-14:34:21.047233 7f82ba72e700 [db/flush_job.cc:371] " +
"[col_fam_A] [JOB 44] Level-0 flush table #84: 1890780 bytes OK"
)
db_log = Log(test_log, self.column_families)
self.assertEqual('col_fam_A', db_log.get_column_family())
test_log = (
"2018/05/25-14:34:21.047233 7f82ba72e700 [db/flush_job.cc:371] " +
"[JOB 44] Level-0 flush table #84: 1890780 bytes OK"
)
db_log = Log(test_log, self.column_families)
db_log.append_message('[default] some remaining part of log')
self.assertEqual(NO_COL_FAMILY, db_log.get_column_family())
def test_get_methods(self):
hr_time = "2018/05/25-14:30:25.491635"
context = "7f82ba72e700"
message = (
"[db/flush_job.cc:331] [default] [JOB 10] Level-0 flush table " +
"#23: started"
)
test_log = hr_time + " " + context + " " + message
db_log = Log(test_log, self.column_families)
self.assertEqual(db_log.get_message(), message)
remaining_message = "[col_fam_A] some more logs"
db_log.append_message(remaining_message)
self.assertEqual(
db_log.get_human_readable_time(), "2018/05/25-14:30:25.491635"
)
self.assertEqual(db_log.get_context(), "7f82ba72e700")
self.assertEqual(db_log.get_timestamp(), 1527258625)
self.assertEqual(
db_log.get_message(), str(message + '\n' + remaining_message)
)
def test_is_new_log(self):
new_log = "2018/05/25-14:34:21.047233 context random new log"
remaining_log = "2018/05/25 not really a new log"
self.assertTrue(Log.is_new_log(new_log))
self.assertFalse(Log.is_new_log(remaining_log))
class TestDatabaseLogs(unittest.TestCase):
def test_check_and_trigger_conditions(self):
this_path = os.path.abspath(os.path.dirname(__file__))
logs_path_prefix = os.path.join(this_path, 'input_files/LOG-0')
column_families = ['default', 'col-fam-A', 'col-fam-B']
db_logs = DatabaseLogs(logs_path_prefix, column_families)
# matches, has 2 col_fams
condition1 = LogCondition.create(Condition('cond-A'))
condition1.set_parameter('regex', 'random log message')
# matches, multiple lines message
condition2 = LogCondition.create(Condition('cond-B'))
condition2.set_parameter('regex', 'continuing on next line')
# does not match
condition3 = LogCondition.create(Condition('cond-C'))
condition3.set_parameter('regex', 'this should match no log')
db_logs.check_and_trigger_conditions(
[condition1, condition2, condition3]
)
cond1_trigger = condition1.get_trigger()
self.assertEqual(2, len(cond1_trigger.keys()))
self.assertSetEqual(
{'col-fam-A', NO_COL_FAMILY}, set(cond1_trigger.keys())
)
self.assertEqual(2, len(cond1_trigger['col-fam-A']))
messages = [
"[db/db_impl.cc:563] [col-fam-A] random log message for testing",
"[db/db_impl.cc:653] [col-fam-A] another random log message"
]
self.assertIn(cond1_trigger['col-fam-A'][0].get_message(), messages)
self.assertIn(cond1_trigger['col-fam-A'][1].get_message(), messages)
self.assertEqual(1, len(cond1_trigger[NO_COL_FAMILY]))
self.assertEqual(
cond1_trigger[NO_COL_FAMILY][0].get_message(),
"[db/db_impl.cc:331] [unknown] random log message no column family"
)
cond2_trigger = condition2.get_trigger()
self.assertEqual(['col-fam-B'], list(cond2_trigger.keys()))
self.assertEqual(1, len(cond2_trigger['col-fam-B']))
self.assertEqual(
cond2_trigger['col-fam-B'][0].get_message(),
"[db/db_impl.cc:234] [col-fam-B] log continuing on next line\n" +
"remaining part of the log"
)
self.assertIsNone(condition3.get_trigger())