261 lines
10 KiB
Python
261 lines
10 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright 2019 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Encapsulate heat testing."""
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import logging
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import json
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import os
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import subprocess
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from urllib import parse as urlparse
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from heatclient.common import template_utils
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import zaza.model
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import zaza.openstack.charm_tests.nova.utils as nova_utils
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import zaza.openstack.charm_tests.test_utils as test_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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import zaza.charm_lifecycle.utils as charm_lifecycle_utils
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# Resource and name constants
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IMAGE_NAME = 'cirros'
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STACK_NAME = 'hello_world'
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RESOURCE_TYPE = 'server'
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TEMPLATES_PATH = 'files'
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FLAVOR_NAME = 'm1.tiny'
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class HeatBasicDeployment(test_utils.OpenStackBaseTest):
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"""Encapsulate Heat tests."""
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@classmethod
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def setUpClass(cls):
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"""Run class setup for running Heat tests."""
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super(HeatBasicDeployment, cls).setUpClass()
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cls.application = 'heat'
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cls.keystone_session = openstack_utils.get_overcloud_keystone_session()
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cls.heat_client = openstack_utils.get_heat_session_client(
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cls.keystone_session)
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cls.glance_client = openstack_utils.get_glance_session_client(
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cls.keystone_session)
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cls.nova_client = openstack_utils.get_nova_session_client(
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cls.keystone_session)
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@property
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def services(self):
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"""Return a list services for OpenStack release.
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:returns: List of services
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:rtype: [str]
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"""
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services = ['heat-api', 'heat-api-cfn', 'heat-engine']
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return services
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def test_100_domain_setup(self):
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"""Run required action for a working Heat unit."""
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# Action is REQUIRED to run for a functioning heat deployment
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logging.info('Running domain-setup action on heat unit...')
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unit = zaza.model.get_units(self.application_name)[0]
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zaza.model.block_until_unit_wl_status(unit.entity_id, "active")
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zaza.model.run_action(unit.entity_id, "domain-setup")
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zaza.model.block_until_unit_wl_status(unit.entity_id, "active")
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def test_400_heat_resource_types_list(self):
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"""Check default resource list behavior and confirm functionality."""
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logging.info('Checking default heat resource list...')
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try:
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types = self.heat_client.resource_types.list()
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self.assertIsInstance(types, list, "Resource type is not a list!")
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self.assertGreater(len(types), 0, "Resource type list len is zero")
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except Exception as e:
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msg = 'Resource type list failed: {}'.format(e)
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self.fail(msg)
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def test_410_heat_stack_create_delete(self):
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"""Create stack, confirm nova compute resource, delete stack."""
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# Verify new image name
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images_list = list(self.glance_client.images.list())
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self.assertEqual(images_list[0].name, IMAGE_NAME,
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"glance image create failed or unexpected")
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# Create a heat stack from a heat template, verify its status
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logging.info('Creating heat stack...')
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t_name = 'hot_hello_world.yaml'
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if (openstack_utils.get_os_release() <
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openstack_utils.get_os_release('xenial_queens')):
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os_release = 'icehouse'
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else:
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os_release = 'queens'
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# Get location of template files in charm-heat
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bundle_path = charm_lifecycle_utils.BUNDLE_DIR
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if bundle_path[-1:] == "/":
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bundle_path = bundle_path[0:-1]
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file_rel_path = os.path.join(os.path.dirname(bundle_path),
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TEMPLATES_PATH, os_release, t_name)
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file_abs_path = os.path.abspath(file_rel_path)
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t_url = urlparse.urlparse(file_abs_path, scheme='file').geturl()
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logging.info('template url: {}'.format(t_url))
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r_req = self.heat_client.http_client
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t_files, template = template_utils.get_template_contents(t_url, r_req)
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env_files, env = template_utils.process_environment_and_files(
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env_path=None)
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fields = {
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'stack_name': STACK_NAME,
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'timeout_mins': '15',
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'disable_rollback': False,
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'parameters': {
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'admin_pass': 'Ubuntu',
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'key_name': nova_utils.KEYPAIR_NAME,
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'image': IMAGE_NAME
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},
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'template': template,
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'files': dict(list(t_files.items()) + list(env_files.items())),
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'environment': env
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}
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# Create the stack
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try:
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stack = self.heat_client.stacks.create(**fields)
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logging.info('Stack data: {}'.format(stack))
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stack_id = stack['stack']['id']
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logging.info('Creating new stack, ID: {}'.format(stack_id))
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except Exception as e:
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# Generally, an api or cloud config error if this is hit.
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msg = 'Failed to create heat stack: {}'.format(e)
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self.fail(msg)
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# Confirm stack reaches COMPLETE status.
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# /!\ Heat stacks reach a COMPLETE status even when nova cannot
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# find resources (a valid hypervisor) to fit the instance, in
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# which case the heat stack self-deletes! Confirm anyway...
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openstack_utils.resource_reaches_status(self.heat_client.stacks,
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stack_id,
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expected_status="COMPLETE",
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msg="Stack status wait")
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# List stack
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stacks = list(self.heat_client.stacks.list())
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logging.info('All stacks: {}'.format(stacks))
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# Get stack information
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try:
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stack = self.heat_client.stacks.get(STACK_NAME)
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except Exception as e:
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# Generally, a resource availability issue if this is hit.
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msg = 'Failed to get heat stack: {}'.format(e)
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self.fail(msg)
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# Confirm stack name.
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logging.info('Expected, actual stack name: {}, '
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'{}'.format(STACK_NAME, stack.stack_name))
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self.assertEqual(stack.stack_name, STACK_NAME,
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'Stack name mismatch, '
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'{} != {}'.format(STACK_NAME, stack.stack_name))
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# Confirm existence of a heat-generated nova compute resource
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logging.info('Confirming heat stack resource status...')
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resource = self.heat_client.resources.get(STACK_NAME, RESOURCE_TYPE)
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server_id = resource.physical_resource_id
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self.assertTrue(server_id, "Stack failed to spawn a compute resource.")
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# Confirm nova instance reaches ACTIVE status
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openstack_utils.resource_reaches_status(self.nova_client.servers,
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server_id,
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expected_status="ACTIVE",
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msg="nova instance")
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logging.info('Nova instance reached ACTIVE status')
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# Delete stack
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logging.info('Deleting heat stack...')
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openstack_utils.delete_resource(self.heat_client.stacks,
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STACK_NAME, msg="heat stack")
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def test_500_auth_encryption_key_same_on_units(self):
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"""Test the auth_encryption_key in heat.conf is same on all units."""
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logging.info("Checking the 'auth_encryption_key' is the same on "
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"all units.")
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output, ret = self._run_arbitrary(
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"--application heat "
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"--format json "
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"grep auth_encryption_key /etc/heat/heat.conf")
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if ret:
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msg = "juju run error: ret: {}, output: {}".format(ret, output)
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self.assertEqual(ret, 0, msg)
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output = json.loads(output)
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keys = {}
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for r in output:
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k = r['Stdout'].split('=')[1].strip()
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keys[r['UnitId']] = k
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# see if keys are different
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ks = set(keys.values())
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self.assertEqual(len(ks), 1, "'auth_encryption_key' is not identical "
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"on every unit: {}".format("{}={}".format(k, v)
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for k, v in keys.items()))
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@staticmethod
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def _run_arbitrary(command, timeout=300):
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"""Run an arbitrary command (as root), but not necessarily on a unit.
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(Otherwise the self.run(...) command could have been used for the unit
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:param command: The command to run.
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:type command: str
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:param timeout: Seconds to wait before timing out.
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:type timeout: int
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:raises: subprocess.CalledProcessError.
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:returns: A pair containing the output of the command and exit value
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:rtype: (str, int)
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"""
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cmd = ['juju', 'run', '--timeout', "{}s".format(timeout),
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] + command.split()
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p = subprocess.Popen(
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cmd,
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stdout=subprocess.PIPE,
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stderr=subprocess.PIPE)
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stdout, stderr = p.communicate()
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output = stdout if p.returncode == 0 else stderr
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return output.decode('utf8').strip(), p.returncode
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def test_900_heat_restart_on_config_change(self):
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"""Verify the specified services are restarted when config changes."""
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logging.info('Testing restart on configuration change')
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# Expected default and alternate values
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set_default = {'use-syslog': 'False'}
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set_alternate = {'use-syslog': 'True'}
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# Config file affected by juju set config change
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conf_file = '/etc/heat/heat.conf'
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# Make config change, check for service restarts
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# In Amulet we waited 30 seconds...do we still need to?
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logging.info('Making configuration change')
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self.restart_on_changed(
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conf_file,
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set_default,
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set_alternate,
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None,
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None,
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self.services)
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def test_910_pause_and_resume(self):
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"""Run services pause and resume tests."""
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logging.info('Checking pause and resume actions...')
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with self.pause_resume(self.services):
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logging.info("Testing pause resume")
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