Aurelien Lourot
57c8e0d91a
In the pre-deploy step of our neutron-arista tests we download an Arista image from our swift bucket. It sometimes fails when our CI system is loaded. This patch adds a tenacity retry.
86 lines
3.2 KiB
Python
86 lines
3.2 KiB
Python
# 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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"""Code for setting up neutron-api-plugin-arista."""
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import logging
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import os
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import tenacity
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import zaza
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import zaza.openstack.charm_tests.neutron_arista.utils as arista_utils
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import zaza.openstack.utilities.openstack as openstack_utils
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def download_arista_image():
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"""Download arista-cvx-virt-test.qcow2 from a web server.
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The download will happen only if the env var TEST_ARISTA_IMAGE_REMOTE has
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been set, so you don't have to set it if you already have the image
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locally.
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If the env var TEST_ARISTA_IMAGE_LOCAL isn't set, it will be set to
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`/tmp/arista-cvx-virt-test.qcow2`. This is where the image will be
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downloaded to if TEST_ARISTA_IMAGE_REMOTE has been set.
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"""
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try:
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os.environ['TEST_ARISTA_IMAGE_LOCAL']
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except KeyError:
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os.environ['TEST_ARISTA_IMAGE_LOCAL'] = ''
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if not os.environ['TEST_ARISTA_IMAGE_LOCAL']:
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os.environ['TEST_ARISTA_IMAGE_LOCAL'] \
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= '/tmp/arista-cvx-virt-test.qcow2'
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try:
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if os.environ['TEST_ARISTA_IMAGE_REMOTE']:
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logging.info('Downloading Arista image from {}'
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.format(os.environ['TEST_ARISTA_IMAGE_REMOTE']))
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for attempt in tenacity.Retrying(
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stop=tenacity.stop_after_attempt(3),
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reraise=True):
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with attempt:
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openstack_utils.download_image(
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os.environ['TEST_ARISTA_IMAGE_REMOTE'],
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os.environ['TEST_ARISTA_IMAGE_LOCAL'])
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except KeyError:
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# TEST_ARISTA_IMAGE_REMOTE isn't set, which means the image is already
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# available at TEST_ARISTA_IMAGE_LOCAL
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pass
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logging.info('Arista image can be found at {}'
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.format(os.environ['TEST_ARISTA_IMAGE_LOCAL']))
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def test_fixture():
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"""Pass arista-virt-test-fixture's IP address to Neutron."""
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fixture_ip_addr = arista_utils.fixture_ip_addr()
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logging.info(
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"{}'s IP address is '{}'. Passing it to {}..."
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.format(arista_utils.FIXTURE_APP_NAME, fixture_ip_addr,
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arista_utils.PLUGIN_APP_NAME))
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zaza.model.set_application_config(arista_utils.PLUGIN_APP_NAME,
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{'eapi-host': fixture_ip_addr})
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logging.info('Waiting for {} to become ready...'.format(
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arista_utils.PLUGIN_APP_NAME))
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zaza.model.wait_for_agent_status()
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zaza.model.wait_for_application_states()
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for attempt in tenacity.Retrying(
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wait=tenacity.wait_fixed(10), # seconds
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stop=tenacity.stop_after_attempt(30),
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reraise=True):
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with attempt:
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arista_utils.query_fixture_networks(fixture_ip_addr)
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