7ced54b382
* Updates to concurrent series upgrade Updates to make it run more in parallel and spend less time waiting on the whole model when updating machines. * Make the concurrent series upgrade tests work This is a number of changes to get the concurrent (here called 'parallel' historically) series upgrade tests to work. A number of changes were required which included limiting the number of concurrent async co-routines (futures) that could be run as with large models it hits the limits of the Py3 runtime. * Fix the tests and change pause order in maybe_pause_things Due to an additional model helper call, an additional model AsyncMock is required. Also the pause order had changed, and this is restored to ensure the original design is retained (for pause order). Clean up some commented out code and sort out a few PEP8 errors. * Update comment to reflect code (3 -> 4) * Fix tests that fail on bionic but pass on focal Essentially, asyncio.gather has different behaviour on bionic that focal. Although this doesn't affect testing, it does affect the unit tests. These changes are simply to normalise the behaviour of unit tests on focal and bionic.
83 lines
3.1 KiB
Python
83 lines
3.1 KiB
Python
#!/usr/bin/env python3
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# Copyright 2020 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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"""Define class for Charm Upgrade."""
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import logging
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import unittest
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import zaza.model
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from zaza.openstack.utilities import (
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cli as cli_utils,
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upgrade_utils as upgrade_utils,
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)
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from zaza.openstack.charm_tests.nova.tests import LTSGuestCreateTest
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class FullCloudCharmUpgradeTest(unittest.TestCase):
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"""Class to encapsulate Charm Upgrade Tests."""
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@classmethod
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def setUpClass(cls):
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"""Run setup for Charm Upgrades."""
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cli_utils.setup_logging()
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cls.lts = LTSGuestCreateTest()
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cls.lts.setUpClass()
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cls.target_charm_namespace = '~openstack-charmers-next'
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def get_upgrade_url(self, charm_url):
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"""Return the charm_url to upgrade to.
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:param charm_url: Current charm url.
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:type charm_url: str
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"""
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charm_name = upgrade_utils.extract_charm_name_from_url(
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charm_url)
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next_charm_url = zaza.model.get_latest_charm_url(
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"cs:{}/{}".format(self.target_charm_namespace, charm_name))
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return next_charm_url
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def test_200_run_charm_upgrade(self):
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"""Run charm upgrade."""
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self.lts.test_launch_small_instance()
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applications = zaza.model.get_status().applications
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groups = upgrade_utils.get_charm_upgrade_groups(
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extra_filters=[upgrade_utils._filter_etcd,
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upgrade_utils._filter_easyrsa,
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upgrade_utils._filter_memcached])
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for group_name, group in groups:
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logging.info("About to upgrade {} ({})".format(group_name, group))
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for application, app_details in applications.items():
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if application not in group:
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continue
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target_url = self.get_upgrade_url(app_details['charm'])
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if target_url == app_details['charm']:
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logging.warn(
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"Skipping upgrade of {}, already using {}".format(
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application,
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target_url))
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else:
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logging.info("Upgrading {} to {}".format(
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application,
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target_url))
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zaza.model.upgrade_charm(
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application,
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switch=target_url)
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logging.info("Waiting for charm url to update")
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zaza.model.block_until_charm_url(application, target_url)
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zaza.model.block_until_all_units_idle()
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self.lts.test_launch_small_instance()
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