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# 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
import time
from heat_integrationtests.common import test
from heat_integrationtests.functional import functional_base
_test_template = {
'heat_template_version': 'pike',
'description': 'Test template to create two resources.',
'resources': {
'test1': {
'type': 'OS::Heat::TestResource',
'properties': {
'value': 'Test1',
'fail': False,
'update_replace': False,
'wait_secs': 0,
}
},
'test2': {
'type': 'OS::Heat::TestResource',
'properties': {
'value': 'Test1',
'fail': False,
'update_replace': False,
'wait_secs': 0,
'action_wait_secs': {
'create': 30,
}
},
'depends_on': ['test1']
}
}
}
def get_templates(fail=False, delay_s=None):
before = copy.deepcopy(_test_template)
after = copy.deepcopy(before)
for r in after['resources'].values():
r['properties']['value'] = 'Test2'
before_props = before['resources']['test2']['properties']
before_props['fail'] = fail
if delay_s is not None:
before_props['action_wait_secs']['create'] = delay_s
return before, after
class SimultaneousUpdateStackTest(functional_base.FunctionalTestsBase):
@test.requires_convergence
def test_retrigger_success(self):
before, after = get_templates()
stack_id = self.stack_create(template=before,
expected_status='CREATE_IN_PROGRESS')
time.sleep(10)
self.update_stack(stack_id, after)
@test.requires_convergence
def test_retrigger_failure(self):
before, after = get_templates(fail=True)
stack_id = self.stack_create(template=before,
expected_status='CREATE_IN_PROGRESS')
time.sleep(10)
self.update_stack(stack_id, after)
@test.requires_convergence
def test_retrigger_timeout(self):
before, after = get_templates(delay_s=70)
stack_id = self.stack_create(template=before,
expected_status='CREATE_IN_PROGRESS',
timeout=1)
time.sleep(50)
self.update_stack(stack_id, after)
input_param = 'input'
preempt_nested_stack_type = 'preempt.yaml'
preempt_root_rsrcs = {
'nested_stack': {
'type': preempt_nested_stack_type,
'properties': {
'input': {'get_param': input_param},
},
}
}
preempt_root_out = {'get_attr': ['nested_stack', 'delay_stack']}
preempt_delay_stack_type = 'delay.yaml'
preempt_nested_rsrcs = {
'delay_stack': {
'type': preempt_delay_stack_type,
'properties': {
'input': {'get_param': input_param},
},
}
}
preempt_nested_out = {'get_resource': 'delay_stack'}
preempt_delay_rsrcs = {
'delay_resource': {
'type': 'OS::Heat::TestResource',
'properties': {
'action_wait_secs': {
'update': 6000,
},
'value': {'get_param': input_param},
},
}
}
def _tmpl_with_rsrcs(rsrcs, output_value=None):
tmpl = {
'heat_template_version': 'queens',
'parameters': {
input_param: {
'type': 'string',
},
},
'resources': rsrcs,
}
if output_value is not None:
outputs = {'delay_stack': {'value': output_value}}
tmpl['outputs'] = outputs
return json.dumps(tmpl)
class SimultaneousUpdateNestedStackTest(functional_base.FunctionalTestsBase):
@test.requires_convergence
def test_nested_preemption(self):
root_tmpl = _tmpl_with_rsrcs(preempt_root_rsrcs,
preempt_root_out)
files = {
preempt_nested_stack_type: _tmpl_with_rsrcs(preempt_nested_rsrcs,
preempt_nested_out),
preempt_delay_stack_type: _tmpl_with_rsrcs(preempt_delay_rsrcs),
}
stack_id = self.stack_create(template=root_tmpl, files=files,
parameters={input_param: 'foo'})
delay_stack_uuid = self.get_stack_output(stack_id, 'delay_stack')
# Start an update that includes a long delay in the second nested stack
self.update_stack(stack_id, template=root_tmpl, files=files,
parameters={input_param: 'bar'},
expected_status='UPDATE_IN_PROGRESS')
self._wait_for_resource_status(delay_stack_uuid, 'delay_resource',
'UPDATE_IN_PROGRESS')
# Update again to check that we preempt update of the first nested
# stack. This will delete the second nested stack, after preempting the
# update of that stack as well, which will cause the delay resource
# within to be cancelled.
empty_nest_files = {
preempt_nested_stack_type: _tmpl_with_rsrcs({}),
}
self.update_stack(stack_id, template=root_tmpl, files=empty_nest_files,
parameters={input_param: 'baz'})
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