| Steve Baker | f547ec3 | 2014-10-20 14:34:41 +1300 | [diff] [blame] | 1 | # Licensed under the Apache License, Version 2.0 (the "License"); you may |
| 2 | # not use this file except in compliance with the License. You may obtain |
| 3 | # a copy of the License at |
| 4 | # |
| 5 | # http://www.apache.org/licenses/LICENSE-2.0 |
| 6 | # |
| 7 | # Unless required by applicable law or agreed to in writing, software |
| 8 | # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| 9 | # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| 10 | # License for the specific language governing permissions and limitations |
| 11 | # under the License. |
| 12 | |
| 13 | import logging |
| 14 | |
| 15 | from heat_integrationtests.common import test |
| 16 | |
| 17 | |
| 18 | LOG = logging.getLogger(__name__) |
| 19 | |
| 20 | |
| 21 | class UpdateStackTest(test.HeatIntegrationTest): |
| 22 | |
| 23 | template = ''' |
| 24 | heat_template_version: 2013-05-23 |
| 25 | resources: |
| 26 | random1: |
| 27 | type: OS::Heat::RandomString |
| 28 | ''' |
| 29 | update_template = ''' |
| 30 | heat_template_version: 2013-05-23 |
| 31 | resources: |
| 32 | random1: |
| 33 | type: OS::Heat::RandomString |
| 34 | random2: |
| 35 | type: OS::Heat::RandomString |
| 36 | ''' |
| 37 | |
| 38 | def setUp(self): |
| 39 | super(UpdateStackTest, self).setUp() |
| 40 | self.client = self.orchestration_client |
| 41 | |
| 42 | def update_stack(self, stack_identifier, template): |
| 43 | stack_name = stack_identifier.split('/')[0] |
| 44 | self.client.stacks.update( |
| 45 | stack_id=stack_identifier, |
| 46 | stack_name=stack_name, |
| 47 | template=template, |
| 48 | files={}, |
| 49 | disable_rollback=True, |
| 50 | parameters={}, |
| 51 | environment={} |
| 52 | ) |
| 53 | self._wait_for_stack_status(stack_identifier, 'UPDATE_COMPLETE') |
| 54 | |
| 55 | def list_resources(self, stack_identifier): |
| 56 | resources = self.client.resources.list(stack_identifier) |
| 57 | return dict((r.resource_name, r.resource_type) for r in resources) |
| 58 | |
| 59 | def test_stack_update_nochange(self): |
| 60 | stack_name = self._stack_rand_name() |
| 61 | self.client.stacks.create( |
| 62 | stack_name=stack_name, |
| 63 | template=self.template, |
| 64 | files={}, |
| 65 | disable_rollback=True, |
| 66 | parameters={}, |
| 67 | environment={} |
| 68 | ) |
| 69 | self.addCleanup(self.client.stacks.delete, stack_name) |
| 70 | |
| 71 | stack = self.client.stacks.get(stack_name) |
| 72 | stack_identifier = '%s/%s' % (stack_name, stack.id) |
| 73 | |
| 74 | self._wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE') |
| 75 | expected_resources = {'random1': 'OS::Heat::RandomString'} |
| 76 | self.assertEqual(expected_resources, |
| 77 | self.list_resources(stack_identifier)) |
| 78 | |
| 79 | # Update with no changes, resources should be unchanged |
| 80 | self.update_stack(stack_identifier, self.template) |
| 81 | self.assertEqual(expected_resources, |
| 82 | self.list_resources(stack_identifier)) |
| 83 | |
| 84 | def test_stack_update_add_remove(self): |
| 85 | stack_name = self._stack_rand_name() |
| 86 | |
| 87 | self.client.stacks.create( |
| 88 | stack_name=stack_name, |
| 89 | template=self.template, |
| 90 | files={}, |
| 91 | disable_rollback=True, |
| 92 | parameters={}, |
| 93 | environment={} |
| 94 | ) |
| 95 | self.addCleanup(self.client.stacks.delete, stack_name) |
| 96 | |
| 97 | stack = self.client.stacks.get(stack_name) |
| 98 | stack_identifier = '%s/%s' % (stack_name, stack.id) |
| 99 | |
| 100 | self._wait_for_stack_status(stack_identifier, 'CREATE_COMPLETE') |
| 101 | initial_resources = {'random1': 'OS::Heat::RandomString'} |
| 102 | self.assertEqual(initial_resources, |
| 103 | self.list_resources(stack_identifier)) |
| 104 | |
| 105 | # Add one resource via a stack update |
| 106 | self.update_stack(stack_identifier, self.update_template) |
| 107 | stack = self.client.stacks.get(stack_identifier) |
| 108 | updated_resources = {'random1': 'OS::Heat::RandomString', |
| 109 | 'random2': 'OS::Heat::RandomString'} |
| 110 | self.assertEqual(updated_resources, |
| 111 | self.list_resources(stack_identifier)) |
| 112 | |
| 113 | # Then remove it by updating with the original template |
| 114 | self.update_stack(stack_identifier, self.template) |
| 115 | self.assertEqual(initial_resources, |
| 116 | self.list_resources(stack_identifier)) |