Frode Nordahl
430704ef80
The retrofit process involves downloading packages from the internet and is as such susceptible to random failures due to internet gremlins.
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# 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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"""Code for configuring octavia-diskimage-retrofit."""
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import logging
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import tenacity
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import zaza.model
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def retrofit_amphora_image(unit='octavia-diskimage-retrofit/0',
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force=False, image_id=None):
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"""Run action to retrofit Ubuntu Cloud image into Octavia ``amphora``.
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:param unit: Name of unit to operate on
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:type: unit: str
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:param force: Force re-creation of image if it exists
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:type force: bool
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:param image_id: Glance image ID used as source for retrofitting.
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(Default is to find it based on image properties.)
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:type image_id: str
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:raises:Exception if action does not complete successfully.
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"""
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logging.info('Running `retrofit-image` action on {}'.format(unit))
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params = {}
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if force:
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params.update({'force': force})
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if image_id:
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params.update({'source-image': image_id})
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# NOTE(fnordahl) the retrofit process involves downloading packages from
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# the internet and is as such susceptible to random failures due to
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# internet gremlins.
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for attempt in tenacity.Retrying(
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stop=tenacity.stop_after_attempt(3),
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wait=tenacity.wait_exponential(
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multiplier=1, min=2, max=10)):
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with attempt:
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# NOTE(fnordahl) ``zaza.model.run_action_on_leader`` fails here,
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# apparently has to do with handling of subordinates in ``libjuju``
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# or ``juju`` itself.
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action = zaza.model.run_action(
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unit,
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'retrofit-image',
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action_params=params,
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raise_on_failure=True)
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return action
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