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ironic-inspector/ironic_inspector/test/test_rules.py

421 lines
16 KiB

# Copyright 2015 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""Tests for introspection rules."""
import mock
from ironic_inspector import db
from ironic_inspector import node_cache
from ironic_inspector.plugins import base as plugins_base
from ironic_inspector import rules
from ironic_inspector.test import base as test_base
from ironic_inspector import utils
class BaseTest(test_base.BaseTest):
def setUp(self):
super(BaseTest, self).setUp()
self.uuid = 'uuid'
self.conditions_json = [
{'op': 'eq', 'field': 'memory_mb', 'value': 1024},
{'op': 'eq', 'field': 'local_gb', 'value': 60},
]
self.actions_json = [
{'action': 'fail', 'message': 'boom!'}
]
self.data = {
'memory_mb': 1024,
'local_gb': 42,
}
self.node_info = node_cache.NodeInfo(uuid=self.uuid, started_at=42)
class TestCreateRule(BaseTest):
def test_only_actions(self):
rule = rules.create([], self.actions_json)
rule_json = rule.as_dict()
self.assertTrue(rule_json.pop('uuid'))
self.assertEqual({'description': None,
'conditions': [],
'actions': self.actions_json},
rule_json)
def test_duplicate_uuid(self):
rules.create([], self.actions_json, uuid=self.uuid)
self.assertRaisesRegexp(utils.Error, 'already exists',
rules.create, [], self.actions_json,
uuid=self.uuid)
def test_with_conditions(self):
rule = rules.create(self.conditions_json, self.actions_json)
rule_json = rule.as_dict()
self.assertTrue(rule_json.pop('uuid'))
self.assertEqual({'description': None,
'conditions': self.conditions_json,
'actions': self.actions_json},
rule_json)
def test_invalid_condition(self):
del self.conditions_json[0]['op']
self.assertRaisesRegexp(utils.Error,
'Validation failed for conditions',
rules.create,
self.conditions_json, self.actions_json)
self.conditions_json[0]['op'] = 'foobar'
self.assertRaisesRegexp(utils.Error,
'Validation failed for conditions',
rules.create,
self.conditions_json, self.actions_json)
def test_invalid_condition_field(self):
self.conditions_json[0]['field'] = '!*!'
self.assertRaisesRegexp(utils.Error,
'Unable to parse field JSON path',
rules.create,
self.conditions_json, self.actions_json)
def test_invalid_condition_parameters(self):
self.conditions_json[0]['foo'] = 'bar'
self.assertRaisesRegexp(utils.Error,
'Invalid parameters for operator',
rules.create,
self.conditions_json, self.actions_json)
def test_no_actions(self):
self.assertRaisesRegexp(utils.Error,
'Validation failed for actions',
rules.create,
self.conditions_json, [])
def test_invalid_action(self):
del self.actions_json[0]['action']
self.assertRaisesRegexp(utils.Error,
'Validation failed for actions',
rules.create,
self.conditions_json, self.actions_json)
self.actions_json[0]['action'] = 'foobar'
self.assertRaisesRegexp(utils.Error,
'Validation failed for actions',
rules.create,
self.conditions_json, self.actions_json)
def test_invalid_action_parameters(self):
self.actions_json[0]['foo'] = 'bar'
self.assertRaisesRegexp(utils.Error,
'Invalid parameters for action',
rules.create,
self.conditions_json, self.actions_json)
class TestGetRule(BaseTest):
def setUp(self):
super(TestGetRule, self).setUp()
rules.create(self.conditions_json, self.actions_json, uuid=self.uuid)
def test_get(self):
rule_json = rules.get(self.uuid).as_dict()
self.assertTrue(rule_json.pop(self.uuid))
self.assertEqual({'description': None,
'conditions': self.conditions_json,
'actions': self.actions_json},
rule_json)
def test_not_found(self):
self.assertRaises(utils.Error, rules.get, 'foobar')
def test_get_all(self):
rules.create(self.conditions_json, self.actions_json, uuid='uuid2')
self.assertEqual([self.uuid, 'uuid2'],
[r.as_dict()['uuid'] for r in rules.get_all()])
class TestDeleteRule(BaseTest):
def setUp(self):
super(TestDeleteRule, self).setUp()
self.uuid2 = self.uuid + '-2'
rules.create(self.conditions_json, self.actions_json, uuid=self.uuid)
rules.create(self.conditions_json, self.actions_json, uuid=self.uuid2)
def test_delete(self):
rules.delete(self.uuid)
self.assertEqual([(self.uuid2,)], db.model_query(db.Rule.uuid).all())
self.assertFalse(db.model_query(db.RuleCondition)
.filter_by(rule=self.uuid).all())
self.assertFalse(db.model_query(db.RuleAction)
.filter_by(rule=self.uuid).all())
def test_delete_non_existing(self):
self.assertRaises(utils.Error, rules.delete, 'foo')
def test_delete_all(self):
rules.delete_all()
self.assertFalse(db.model_query(db.Rule).all())
self.assertFalse(db.model_query(db.RuleCondition).all())
self.assertFalse(db.model_query(db.RuleAction).all())
@mock.patch.object(plugins_base, 'rule_conditions_manager', autospec=True)
class TestCheckConditions(BaseTest):
def setUp(self):
super(TestCheckConditions, self).setUp()
self.rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
self.cond_mock = mock.Mock(spec=plugins_base.RuleConditionPlugin)
self.cond_mock.ALLOW_NONE = False
self.ext_mock = mock.Mock(spec=['obj'], obj=self.cond_mock)
def test_ok(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.cond_mock.check.return_value = True
res = self.rule.check_conditions(self.node_info, self.data)
self.cond_mock.check.assert_any_call(self.node_info, 1024,
{'value': 1024})
self.cond_mock.check.assert_any_call(self.node_info, 42,
{'value': 60})
self.assertEqual(len(self.conditions_json),
self.cond_mock.check.call_count)
self.assertTrue(res)
def test_no_field(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.cond_mock.check.return_value = True
del self.data['local_gb']
res = self.rule.check_conditions(self.node_info, self.data)
self.cond_mock.check.assert_called_once_with(self.node_info, 1024,
{'value': 1024})
self.assertFalse(res)
def test_no_field_none_allowed(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.cond_mock.ALLOW_NONE = True
self.cond_mock.check.return_value = True
del self.data['local_gb']
res = self.rule.check_conditions(self.node_info, self.data)
self.cond_mock.check.assert_any_call(self.node_info, 1024,
{'value': 1024})
self.cond_mock.check.assert_any_call(self.node_info, None,
{'value': 60})
self.assertEqual(len(self.conditions_json),
self.cond_mock.check.call_count)
self.assertTrue(res)
def test_fail(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.cond_mock.check.return_value = False
res = self.rule.check_conditions(self.node_info, self.data)
self.cond_mock.check.assert_called_once_with(self.node_info, 1024,
{'value': 1024})
self.assertFalse(res)
class TestCheckConditionsMultiple(BaseTest):
def setUp(self):
super(TestCheckConditionsMultiple, self).setUp()
self.conditions_json = [
{'op': 'eq', 'field': 'interfaces[*].ip', 'value': '1.2.3.4'}
]
def _build_data(self, ips):
return {
'interfaces': [
{'ip': ip} for ip in ips
]
}
def test_default(self):
rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
data_set = [
(['1.1.1.1', '1.2.3.4', '1.3.2.2'], True),
(['1.2.3.4'], True),
(['1.1.1.1', '1.3.2.2'], False),
(['1.2.3.4', '1.3.2.2'], True),
]
for ips, result in data_set:
data = self._build_data(ips)
self.assertIs(result, rule.check_conditions(self.node_info, data),
data)
def test_any(self):
self.conditions_json[0]['multiple'] = 'any'
rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
data_set = [
(['1.1.1.1', '1.2.3.4', '1.3.2.2'], True),
(['1.2.3.4'], True),
(['1.1.1.1', '1.3.2.2'], False),
(['1.2.3.4', '1.3.2.2'], True),
]
for ips, result in data_set:
data = self._build_data(ips)
self.assertIs(result, rule.check_conditions(self.node_info, data),
data)
def test_all(self):
self.conditions_json[0]['multiple'] = 'all'
rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
data_set = [
(['1.1.1.1', '1.2.3.4', '1.3.2.2'], False),
(['1.2.3.4'], True),
(['1.1.1.1', '1.3.2.2'], False),
(['1.2.3.4', '1.3.2.2'], False),
]
for ips, result in data_set:
data = self._build_data(ips)
self.assertIs(result, rule.check_conditions(self.node_info, data),
data)
def test_first(self):
self.conditions_json[0]['multiple'] = 'first'
rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
data_set = [
(['1.1.1.1', '1.2.3.4', '1.3.2.2'], False),
(['1.2.3.4'], True),
(['1.1.1.1', '1.3.2.2'], False),
(['1.2.3.4', '1.3.2.2'], True),
]
for ips, result in data_set:
data = self._build_data(ips)
self.assertIs(result, rule.check_conditions(self.node_info, data),
data)
@mock.patch.object(plugins_base, 'rule_actions_manager', autospec=True)
class TestApplyActions(BaseTest):
def setUp(self):
super(TestApplyActions, self).setUp()
self.actions_json.append({'action': 'example'})
self.rule = rules.create(conditions_json=self.conditions_json,
actions_json=self.actions_json)
self.act_mock = mock.Mock(spec=plugins_base.RuleActionPlugin)
self.ext_mock = mock.Mock(spec=['obj'], obj=self.act_mock)
def test_apply(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.rule.apply_actions(self.node_info)
self.act_mock.apply.assert_any_call(self.node_info,
{'message': 'boom!'})
self.act_mock.apply.assert_any_call(self.node_info, {})
self.assertEqual(len(self.actions_json),
self.act_mock.apply.call_count)
self.assertFalse(self.act_mock.rollback.called)
def test_rollback(self, mock_ext_mgr):
mock_ext_mgr.return_value.__getitem__.return_value = self.ext_mock
self.rule.apply_actions(self.node_info, rollback=True)
self.act_mock.rollback.assert_any_call(self.node_info,
{'message': 'boom!'})
self.act_mock.rollback.assert_any_call(self.node_info, {})
self.assertEqual(len(self.actions_json),
self.act_mock.rollback.call_count)
self.assertFalse(self.act_mock.apply.called)
@mock.patch.object(rules, 'get_all', autospec=True)
class TestApply(BaseTest):
def setUp(self):
super(TestApply, self).setUp()
self.rules = [mock.Mock(spec=rules.IntrospectionRule),
mock.Mock(spec=rules.IntrospectionRule)]
def test_no_rules(self, mock_get_all):
mock_get_all.return_value = []
rules.apply(self.node_info, self.data)
def test_no_actions(self, mock_get_all):
mock_get_all.return_value = self.rules
for idx, rule in enumerate(self.rules):
rule.check_conditions.return_value = not bool(idx)
rules.apply(self.node_info, self.data)
for idx, rule in enumerate(self.rules):
rule.check_conditions.assert_called_once_with(self.node_info,
self.data)
rule.apply_actions.assert_called_once_with(
self.node_info, rollback=bool(idx))
def test_actions(self, mock_get_all):
mock_get_all.return_value = self.rules
for idx, rule in enumerate(self.rules):
rule.check_conditions.return_value = not bool(idx)
rules.apply(self.node_info, self.data)
for idx, rule in enumerate(self.rules):
rule.check_conditions.assert_called_once_with(self.node_info,
self.data)
rule.apply_actions.assert_called_once_with(
self.node_info, rollback=bool(idx))
def test_no_rollback(self, mock_get_all):
mock_get_all.return_value = self.rules
for rule in self.rules:
rule.check_conditions.return_value = True
rules.apply(self.node_info, self.data)
for rule in self.rules:
rule.check_conditions.assert_called_once_with(self.node_info,
self.data)
rule.apply_actions.assert_called_once_with(
self.node_info, rollback=False)
def test_only_rollback(self, mock_get_all):
mock_get_all.return_value = self.rules
for rule in self.rules:
rule.check_conditions.return_value = False
rules.apply(self.node_info, self.data)
for rule in self.rules:
rule.check_conditions.assert_called_once_with(self.node_info,
self.data)
rule.apply_actions.assert_called_once_with(
self.node_info, rollback=True)