73 lines
2.6 KiB
Python
73 lines
2.6 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from heat_integrationtests.scenario import scenario_base
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class NeutronAutoscalingTest(scenario_base.ScenarioTestsBase):
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"""
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The class is responsible for testing of neutron resources autoscaling.
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"""
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def setUp(self):
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super(NeutronAutoscalingTest, self).setUp()
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if not self.conf.fixed_subnet_name:
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raise self.skipException("No sub-network configured to test")
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self.template_name = 'test_neutron_autoscaling.yaml'
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def test_neutron_autoscaling(self):
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"""
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Check autoscaling of load balancer members in Heat.
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The alternative scenario is the following:
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1. Launch a stack with a load balancer.
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2. Check that the load balancer created
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one load balancer member for stack.
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3. Update stack definition: increase desired capacity of stack.
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4. Check that number of members in load balancer was increased.
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"""
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parameters = {
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"image_id": self.conf.minimal_image_ref,
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"capacity": "1",
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"instance_type": self.conf.minimal_instance_type,
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"fixed_subnet": self.net['subnets'][0],
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}
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# Launch stack
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stack_id = self.launch_stack(
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template_name=self.template_name,
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parameters=parameters
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)
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# Check number of members
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pool_resource = self.client.resources.get(stack_id, 'test_pool')
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pool_members = self.network_client.list_members(
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pool_id=pool_resource.physical_resource_id)['members']
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self.assertEqual(1, len(pool_members))
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# Increase desired capacity and update the stack
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template = self._load_template(
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__file__, self.template_name, self.sub_dir
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)
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parameters["capacity"] = "2"
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self.update_stack(
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stack_id,
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template=template,
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parameters=parameters
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)
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# Check number of members
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pool_members = self.network_client.list_members(
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pool_id=pool_resource.physical_resource_id)['members']
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self.assertEqual(2, len(pool_members))
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