# 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). import os import unittest from advisor.rule_parser import RulesSpec from advisor.db_log_parser import DatabaseLogs, DataSource from advisor.db_options_parser import DatabaseOptions RuleToSuggestions = { "stall-too-many-memtables": [ 'inc-bg-flush', 'inc-write-buffer' ], "stall-too-many-L0": [ 'inc-max-subcompactions', 'inc-max-bg-compactions', 'inc-write-buffer-size', 'dec-max-bytes-for-level-base', 'inc-l0-slowdown-writes-trigger' ], "stop-too-many-L0": [ 'inc-max-bg-compactions', 'inc-write-buffer-size', 'inc-l0-stop-writes-trigger' ], "stall-too-many-compaction-bytes": [ 'inc-max-bg-compactions', 'inc-write-buffer-size', 'inc-hard-pending-compaction-bytes-limit', 'inc-soft-pending-compaction-bytes-limit' ], "level0-level1-ratio": [ 'l0-l1-ratio-health-check' ] } class TestAllRulesTriggered(unittest.TestCase): def setUp(self): # load the Rules this_path = os.path.abspath(os.path.dirname(__file__)) ini_path = os.path.join(this_path, 'input_files/triggered_rules.ini') self.db_rules = RulesSpec(ini_path) self.db_rules.load_rules_from_spec() self.db_rules.perform_section_checks() # load the data sources: LOG and OPTIONS log_path = os.path.join(this_path, 'input_files/LOG-0') options_path = os.path.join(this_path, 'input_files/OPTIONS-000005') db_options_parser = DatabaseOptions(options_path) self.column_families = db_options_parser.get_column_families() db_logs_parser = DatabaseLogs(log_path, self.column_families) self.data_sources = { DataSource.Type.DB_OPTIONS: [db_options_parser], DataSource.Type.LOG: [db_logs_parser] } def test_triggered_conditions(self): conditions_dict = self.db_rules.get_conditions_dict() rules_dict = self.db_rules.get_rules_dict() # Make sure none of the conditions is triggered beforehand for cond in conditions_dict.values(): self.assertFalse(cond.is_triggered(), repr(cond)) for rule in rules_dict.values(): self.assertFalse( rule.is_triggered(conditions_dict, self.column_families), repr(rule) ) # # Trigger the conditions as per the data sources. # trigger_conditions(, conditions_dict) # Get the set of rules that have been triggered triggered_rules = self.db_rules.get_triggered_rules( self.data_sources, self.column_families ) # Make sure each condition and rule is triggered for cond in conditions_dict.values(): if cond.get_data_source() is DataSource.Type.TIME_SERIES: continue self.assertTrue(cond.is_triggered(), repr(cond)) for rule in rules_dict.values(): self.assertIn(rule, triggered_rules) # Check the suggestions made by the triggered rules for sugg in rule.get_suggestions(): self.assertIn(sugg, RuleToSuggestions[rule.name]) for rule in triggered_rules: self.assertIn(rule, rules_dict.values()) for sugg in RuleToSuggestions[rule.name]: self.assertIn(sugg, rule.get_suggestions()) class TestConditionsConjunctions(unittest.TestCase): def setUp(self): # load the Rules this_path = os.path.abspath(os.path.dirname(__file__)) ini_path = os.path.join(this_path, 'input_files/test_rules.ini') self.db_rules = RulesSpec(ini_path) self.db_rules.load_rules_from_spec() self.db_rules.perform_section_checks() # load the data sources: LOG and OPTIONS log_path = os.path.join(this_path, 'input_files/LOG-1') options_path = os.path.join(this_path, 'input_files/OPTIONS-000005') db_options_parser = DatabaseOptions(options_path) self.column_families = db_options_parser.get_column_families() db_logs_parser = DatabaseLogs(log_path, self.column_families) self.data_sources = { DataSource.Type.DB_OPTIONS: [db_options_parser], DataSource.Type.LOG: [db_logs_parser] } def test_condition_conjunctions(self): conditions_dict = self.db_rules.get_conditions_dict() rules_dict = self.db_rules.get_rules_dict() # Make sure none of the conditions is triggered beforehand for cond in conditions_dict.values(): self.assertFalse(cond.is_triggered(), repr(cond)) for rule in rules_dict.values(): self.assertFalse( rule.is_triggered(conditions_dict, self.column_families), repr(rule) ) # Trigger the conditions as per the data sources. self.db_rules.trigger_conditions(self.data_sources) # Check for the conditions conds_triggered = ['log-1-true', 'log-2-true', 'log-3-true'] conds_not_triggered = ['log-4-false', 'options-1-false'] for cond in conds_triggered: self.assertTrue(conditions_dict[cond].is_triggered(), repr(cond)) for cond in conds_not_triggered: self.assertFalse(conditions_dict[cond].is_triggered(), repr(cond)) # Check for the rules rules_triggered = ['multiple-conds-true'] rules_not_triggered = [ 'single-condition-false', 'multiple-conds-one-false', 'multiple-conds-all-false' ] for rule_name in rules_triggered: rule = rules_dict[rule_name] self.assertTrue( rule.is_triggered(conditions_dict, self.column_families), repr(rule) ) for rule_name in rules_not_triggered: rule = rules_dict[rule_name] self.assertFalse( rule.is_triggered(conditions_dict, self.column_families), repr(rule) ) class TestSanityChecker(unittest.TestCase): def setUp(self): this_path = os.path.abspath(os.path.dirname(__file__)) ini_path = os.path.join(this_path, 'input_files/rules_err1.ini') db_rules = RulesSpec(ini_path) db_rules.load_rules_from_spec() self.rules_dict = db_rules.get_rules_dict() self.conditions_dict = db_rules.get_conditions_dict() self.suggestions_dict = db_rules.get_suggestions_dict() def test_rule_missing_suggestions(self): regex = '.*rule must have at least one suggestion.*' with self.assertRaisesRegex(ValueError, regex): self.rules_dict['missing-suggestions'].perform_checks() def test_rule_missing_conditions(self): regex = '.*rule must have at least one condition.*' with self.assertRaisesRegex(ValueError, regex): self.rules_dict['missing-conditions'].perform_checks() def test_condition_missing_regex(self): regex = '.*provide regex for log condition.*' with self.assertRaisesRegex(ValueError, regex): self.conditions_dict['missing-regex'].perform_checks() def test_condition_missing_options(self): regex = '.*options missing in condition.*' with self.assertRaisesRegex(ValueError, regex): self.conditions_dict['missing-options'].perform_checks() def test_condition_missing_expression(self): regex = '.*expression missing in condition.*' with self.assertRaisesRegex(ValueError, regex): self.conditions_dict['missing-expression'].perform_checks() def test_suggestion_missing_option(self): regex = '.*provide option or description.*' with self.assertRaisesRegex(ValueError, regex): self.suggestions_dict['missing-option'].perform_checks() def test_suggestion_missing_description(self): regex = '.*provide option or description.*' with self.assertRaisesRegex(ValueError, regex): self.suggestions_dict['missing-description'].perform_checks() class TestParsingErrors(unittest.TestCase): def setUp(self): self.this_path = os.path.abspath(os.path.dirname(__file__)) def test_condition_missing_source(self): ini_path = os.path.join(self.this_path, 'input_files/rules_err2.ini') db_rules = RulesSpec(ini_path) regex = '.*provide source for condition.*' with self.assertRaisesRegex(NotImplementedError, regex): db_rules.load_rules_from_spec() def test_suggestion_missing_action(self): ini_path = os.path.join(self.this_path, 'input_files/rules_err3.ini') db_rules = RulesSpec(ini_path) regex = '.*provide action for option.*' with self.assertRaisesRegex(ValueError, regex): db_rules.load_rules_from_spec() def test_section_no_name(self): ini_path = os.path.join(self.this_path, 'input_files/rules_err4.ini') db_rules = RulesSpec(ini_path) regex = 'Parsing error: needed section header:.*' with self.assertRaisesRegex(ValueError, regex): db_rules.load_rules_from_spec() if __name__ == '__main__': unittest.main()