# 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.
import copy
import json
from heat_integrationtests.functional import functional_base
test_template_one_resource = {
'heat_template_version': '2013-05-23',
'description': 'Test template to create one instance.',
'resources': {
'test1': {
'type': 'OS::Heat::TestResource',
'properties': {
'value': 'Test1',
'fail': False,
'update_replace': False,
'wait_secs': 1,
'action_wait_secs': {'create': 1},
'client_name': 'nova',
'entity_name': 'servers',
}
}
}
}
test_template_two_resource = {
'heat_template_version': '2013-05-23',
'description': 'Test template to create two instance.',
'resources': {
'test1': {
'type': 'OS::Heat::TestResource',
'properties': {
'value': 'Test1',
'fail': False,
'update_replace': False,
'wait_secs': 0,
'action_wait_secs': {'update': 1}
}
},
'test2': {
'type': 'OS::Heat::TestResource',
'properties': {
'value': 'Test1',
'fail': False,
'update_replace': False,
'wait_secs': 0
}
}
}
}
def _change_rsrc_properties(template, rsrcs, values):
modified_template = copy.deepcopy(template)
for rsrc_name in rsrcs:
rsrc_prop = modified_template['resources'][
rsrc_name]['properties']
for prop in rsrc_prop:
if prop in values:
rsrc_prop[prop] = values[prop]
return modified_template
[docs]class CreateStackTest(functional_base.FunctionalTestsBase):
[docs] def setUp(self):
super(CreateStackTest, self).setUp()
[docs] def test_create_rollback(self):
values = {'fail': True, 'value': 'test_create_rollback'}
template = _change_rsrc_properties(test_template_one_resource,
['test1'], values)
self.stack_create(
template=template,
expected_status='ROLLBACK_COMPLETE',
disable_rollback=False)
[docs]class UpdateStackTest(functional_base.FunctionalTestsBase):
provider_template = {
'heat_template_version': '2013-05-23',
'description': 'foo',
'resources': {
'test1': {
'type': 'My::TestResource'
}
}
}
provider_group_template = '''
heat_template_version: 2013-05-23
parameters:
count:
type: number
default: 2
resources:
test_group:
type: OS::Heat::ResourceGroup
properties:
count: {get_param: count}
resource_def:
type: My::TestResource
'''
update_userdata_template = '''
heat_template_version: 2014-10-16
parameters:
flavor:
type: string
user_data:
type: string
image:
type: string
network:
type: string
resources:
server:
type: OS::Nova::Server
properties:
image: {get_param: image}
flavor: {get_param: flavor}
networks: [{network: {get_param: network} }]
user_data_format: SOFTWARE_CONFIG
user_data: {get_param: user_data}
'''
fail_param_template = '''
heat_template_version: 2014-10-16
parameters:
do_fail:
type: boolean
default: False
resources:
aresource:
type: OS::Heat::TestResource
properties:
value: Test
fail: {get_param: do_fail}
wait_secs: 1
'''
[docs] def setUp(self):
super(UpdateStackTest, self).setUp()
[docs] def test_stack_update_nochange(self):
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_no_change'})
stack_identifier = self.stack_create(
template=template)
expected_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(expected_resources,
self.list_resources(stack_identifier))
# Update with no changes, resources should be unchanged
self.update_stack(stack_identifier, template)
self.assertEqual(expected_resources,
self.list_resources(stack_identifier))
[docs] def test_stack_in_place_update(self):
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_in_place'})
stack_identifier = self.stack_create(
template=template)
expected_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(expected_resources,
self.list_resources(stack_identifier))
resource = self.client.resources.list(stack_identifier)
initial_phy_id = resource[0].physical_resource_id
tmpl_update = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_in_place_update'})
# Update the Value
self.update_stack(stack_identifier, tmpl_update)
resource = self.client.resources.list(stack_identifier)
# By default update_in_place
self.assertEqual(initial_phy_id,
resource[0].physical_resource_id)
[docs] def test_stack_update_replace(self):
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_replace'})
stack_identifier = self.stack_create(
template=template)
expected_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(expected_resources,
self.list_resources(stack_identifier))
resource = self.client.resources.list(stack_identifier)
initial_phy_id = resource[0].physical_resource_id
# Update the value and also set update_replace prop
tmpl_update = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_in_place_update', 'update_replace': True})
self.update_stack(stack_identifier, tmpl_update)
resource = self.client.resources.list(stack_identifier)
# update Replace
self.assertNotEqual(initial_phy_id,
resource[0].physical_resource_id)
[docs] def test_stack_update_add_remove(self):
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_add_remove'})
stack_identifier = self.stack_create(
template=template)
initial_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
tmpl_update = _change_rsrc_properties(
test_template_two_resource, ['test1', 'test2'],
{'value': 'test_add_remove_update'})
# Add one resource via a stack update
self.update_stack(stack_identifier, tmpl_update)
updated_resources = {'test1': 'OS::Heat::TestResource',
'test2': 'OS::Heat::TestResource'}
self.assertEqual(updated_resources,
self.list_resources(stack_identifier))
# Then remove it by updating with the original template
self.update_stack(stack_identifier, template)
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
[docs] def test_stack_update_rollback(self):
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_update_rollback'})
stack_identifier = self.stack_create(
template=template)
initial_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
tmpl_update = _change_rsrc_properties(
test_template_two_resource, ['test1', 'test2'],
{'value': 'test_update_rollback', 'fail': True})
# stack update, also set failure
self.update_stack(stack_identifier, tmpl_update,
expected_status='ROLLBACK_COMPLETE',
disable_rollback=False)
# since stack update failed only the original resource is present
updated_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(updated_resources,
self.list_resources(stack_identifier))
[docs] def test_stack_update_from_failed(self):
# Prove it's possible to update from an UPDATE_FAILED state
template = _change_rsrc_properties(test_template_one_resource,
['test1'],
{'value': 'test_update_failed'})
stack_identifier = self.stack_create(
template=template)
initial_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
tmpl_update = _change_rsrc_properties(
test_template_one_resource, ['test1'], {'fail': True})
# Update with bad template, we should fail
self.update_stack(stack_identifier, tmpl_update,
expected_status='UPDATE_FAILED')
# but then passing a good template should succeed
self.update_stack(stack_identifier, test_template_two_resource)
updated_resources = {'test1': 'OS::Heat::TestResource',
'test2': 'OS::Heat::TestResource'}
self.assertEqual(updated_resources,
self.list_resources(stack_identifier))
[docs] def test_stack_update_provider(self):
template = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_provider_template'})
files = {'provider.template': json.dumps(template)}
env = {'resource_registry':
{'My::TestResource': 'provider.template'}}
stack_identifier = self.stack_create(
template=self.provider_template,
files=files,
environment=env
)
initial_resources = {'test1': 'My::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Prove the resource is backed by a nested stack, save the ID
nested_identifier = self.assert_resource_is_a_stack(stack_identifier,
'test1')
nested_id = nested_identifier.split('/')[-1]
# Then check the expected resources are in the nested stack
nested_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
tmpl_update = _change_rsrc_properties(
test_template_two_resource, ['test1', 'test2'],
{'value': 'test_provider_template'})
# Add one resource via a stack update by changing the nested stack
files['provider.template'] = json.dumps(tmpl_update)
self.update_stack(stack_identifier, self.provider_template,
environment=env, files=files)
# Parent resources should be unchanged and the nested stack
# should have been updated in-place without replacement
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
rsrc = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual(rsrc.physical_resource_id, nested_id)
# Then check the expected resources are in the nested stack
nested_resources = {'test1': 'OS::Heat::TestResource',
'test2': 'OS::Heat::TestResource'}
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
[docs] def test_stack_update_alias_type(self):
env = {'resource_registry':
{'My::TestResource': 'OS::Heat::RandomString',
'My::TestResource2': 'OS::Heat::RandomString'}}
stack_identifier = self.stack_create(
template=self.provider_template,
environment=env
)
p_res = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual('My::TestResource', p_res.resource_type)
initial_resources = {'test1': 'My::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
res = self.client.resources.get(stack_identifier, 'test1')
# Modify the type of the resource alias to My::TestResource2
tmpl_update = copy.deepcopy(self.provider_template)
tmpl_update['resources']['test1']['type'] = 'My::TestResource2'
self.update_stack(stack_identifier, tmpl_update, environment=env)
res_a = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual(res.physical_resource_id, res_a.physical_resource_id)
self.assertEqual(res.attributes['value'], res_a.attributes['value'])
[docs] def test_stack_update_alias_changes(self):
env = {'resource_registry':
{'My::TestResource': 'OS::Heat::RandomString'}}
stack_identifier = self.stack_create(
template=self.provider_template,
environment=env
)
p_res = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual('My::TestResource', p_res.resource_type)
initial_resources = {'test1': 'My::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
res = self.client.resources.get(stack_identifier, 'test1')
# Modify the resource alias to point to a different type
env = {'resource_registry':
{'My::TestResource': 'OS::Heat::TestResource'}}
self.update_stack(stack_identifier, template=self.provider_template,
environment=env)
res_a = self.client.resources.get(stack_identifier, 'test1')
self.assertNotEqual(res.physical_resource_id,
res_a.physical_resource_id)
[docs] def test_stack_update_provider_type(self):
template = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_provider_template'})
files = {'provider.template': json.dumps(template)}
env = {'resource_registry':
{'My::TestResource': 'provider.template',
'My::TestResource2': 'provider.template'}}
stack_identifier = self.stack_create(
template=self.provider_template,
files=files,
environment=env
)
p_res = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual('My::TestResource', p_res.resource_type)
initial_resources = {'test1': 'My::TestResource'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Prove the resource is backed by a nested stack, save the ID
nested_identifier = self.assert_resource_is_a_stack(stack_identifier,
'test1')
nested_id = nested_identifier.split('/')[-1]
# Then check the expected resources are in the nested stack
nested_resources = {'test1': 'OS::Heat::TestResource'}
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
n_res = self.client.resources.get(nested_identifier, 'test1')
# Modify the type of the provider resource to My::TestResource2
tmpl_update = copy.deepcopy(self.provider_template)
tmpl_update['resources']['test1']['type'] = 'My::TestResource2'
self.update_stack(stack_identifier, tmpl_update,
environment=env, files=files)
p_res = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual('My::TestResource2', p_res.resource_type)
# Parent resources should be unchanged and the nested stack
# should have been updated in-place without replacement
self.assertEqual({u'test1': u'My::TestResource2'},
self.list_resources(stack_identifier))
rsrc = self.client.resources.get(stack_identifier, 'test1')
self.assertEqual(rsrc.physical_resource_id, nested_id)
# Then check the expected resources are in the nested stack
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
n_res2 = self.client.resources.get(nested_identifier, 'test1')
self.assertEqual(n_res.physical_resource_id,
n_res2.physical_resource_id)
[docs] def test_stack_update_provider_group(self):
"""Test two-level nested update."""
# Create a ResourceGroup (which creates a nested stack),
# containing provider resources (which create a nested
# stack), thus exercising an update which traverses
# two levels of nesting.
template = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_provider_group_template'})
files = {'provider.template': json.dumps(template)}
env = {'resource_registry':
{'My::TestResource': 'provider.template'}}
stack_identifier = self.stack_create(
template=self.provider_group_template,
files=files,
environment=env
)
initial_resources = {'test_group': 'OS::Heat::ResourceGroup'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Prove the resource is backed by a nested stack, save the ID
nested_identifier = self.assert_resource_is_a_stack(stack_identifier,
'test_group')
# Then check the expected resources are in the nested stack
nested_resources = {'0': 'My::TestResource',
'1': 'My::TestResource'}
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
for n_rsrc in nested_resources:
rsrc = self.client.resources.get(nested_identifier, n_rsrc)
provider_stack = self.client.stacks.get(rsrc.physical_resource_id)
provider_identifier = '%s/%s' % (provider_stack.stack_name,
provider_stack.id)
provider_resources = {u'test1': u'OS::Heat::TestResource'}
self.assertEqual(provider_resources,
self.list_resources(provider_identifier))
tmpl_update = _change_rsrc_properties(
test_template_two_resource, ['test1', 'test2'],
{'value': 'test_provider_group_template'})
# Add one resource via a stack update by changing the nested stack
files['provider.template'] = json.dumps(tmpl_update)
self.update_stack(stack_identifier, self.provider_group_template,
environment=env, files=files)
# Parent resources should be unchanged and the nested stack
# should have been updated in-place without replacement
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Resource group stack should also be unchanged (but updated)
nested_stack = self.client.stacks.get(nested_identifier)
self.assertEqual('UPDATE_COMPLETE', nested_stack.stack_status)
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
for n_rsrc in nested_resources:
rsrc = self.client.resources.get(nested_identifier, n_rsrc)
provider_stack = self.client.stacks.get(rsrc.physical_resource_id)
provider_identifier = '%s/%s' % (provider_stack.stack_name,
provider_stack.id)
provider_resources = {'test1': 'OS::Heat::TestResource',
'test2': 'OS::Heat::TestResource'}
self.assertEqual(provider_resources,
self.list_resources(provider_identifier))
[docs] def test_stack_update_with_replacing_userdata(self):
"""Test case for updating userdata of instance.
Confirm that we can update userdata of instance during updating stack
by the user of member role.
Make sure that a resource that inherits from StackUser can be deleted
during updating stack.
"""
if not self.conf.minimal_image_ref:
raise self.skipException("No minimal image configured to test")
if not self.conf.minimal_instance_type:
raise self.skipException("No flavor configured to test")
parms = {'flavor': self.conf.minimal_instance_type,
'image': self.conf.minimal_image_ref,
'network': self.conf.fixed_network_name,
'user_data': ''}
stack_identifier = self.stack_create(
template=self.update_userdata_template,
parameters=parms
)
parms_updated = parms
parms_updated['user_data'] = 'two'
self.update_stack(
stack_identifier,
template=self.update_userdata_template,
parameters=parms_updated)
[docs] def test_stack_update_provider_group_patch(self):
'''Test two-level nested update with PATCH'''
template = _change_rsrc_properties(
test_template_one_resource, ['test1'],
{'value': 'test_provider_group_template'})
files = {'provider.template': json.dumps(template)}
env = {'resource_registry':
{'My::TestResource': 'provider.template'}}
stack_identifier = self.stack_create(
template=self.provider_group_template,
files=files,
environment=env
)
initial_resources = {'test_group': 'OS::Heat::ResourceGroup'}
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Prove the resource is backed by a nested stack, save the ID
nested_identifier = self.assert_resource_is_a_stack(stack_identifier,
'test_group')
# Then check the expected resources are in the nested stack
nested_resources = {'0': 'My::TestResource',
'1': 'My::TestResource'}
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
# increase the count, pass only the paramter, no env or template
params = {'count': 3}
self.update_stack(stack_identifier, parameters=params, existing=True)
# Parent resources should be unchanged and the nested stack
# should have been updated in-place without replacement
self.assertEqual(initial_resources,
self.list_resources(stack_identifier))
# Resource group stack should also be unchanged (but updated)
nested_stack = self.client.stacks.get(nested_identifier)
self.assertEqual('UPDATE_COMPLETE', nested_stack.stack_status)
# Add a resource, as we should have added one
nested_resources['2'] = 'My::TestResource'
self.assertEqual(nested_resources,
self.list_resources(nested_identifier))
[docs] def test_stack_update_from_failed_patch(self):
'''Test PATCH update from a failed state.'''
# Start with empty template
stack_identifier = self.stack_create(
template='heat_template_version: 2014-10-16')
# Update with a good template, but bad parameter
self.update_stack(stack_identifier,
template=self.fail_param_template,
parameters={'do_fail': True},
expected_status='UPDATE_FAILED')
# PATCH update, only providing the parameter
self.update_stack(stack_identifier,
parameters={'do_fail': False},
existing=True)
self.assertEqual({u'aresource': u'OS::Heat::TestResource'},
self.list_resources(stack_identifier))
[docs] def test_stack_update_with_new_env(self):
"""Update handles new resource types in the environment.
If a resource type appears during an update and the update fails,
retrying the update is able to find the type properly in the
environment.
"""
stack_identifier = self.stack_create(
template=test_template_one_resource)
# Update with a new resource and make the update fails
template = _change_rsrc_properties(test_template_one_resource,
['test1'], {'fail': True})
template['resources']['test2'] = {'type': 'My::TestResource'}
template['resources']['test1']['depends_on'] = 'test2'
env = {'resource_registry':
{'My::TestResource': 'OS::Heat::TestResource'}}
self.update_stack(stack_identifier,
template=template,
environment=env,
expected_status='UPDATE_FAILED')
# Fixing the template should fix the stack
template = _change_rsrc_properties(template,
['test1'], {'fail': False})
self.update_stack(stack_identifier,
template=template,
environment=env)
self.assertEqual({'test1': 'OS::Heat::TestResource',
'test2': 'My::TestResource'},
self.list_resources(stack_identifier))