105 lines
3.9 KiB
Python
105 lines
3.9 KiB
Python
# Copyright 2020 The Armada Authors.
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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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from oslo_config import cfg
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from oslo_log import log as logging
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from armada import const
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from armada.exceptions import source_exceptions
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from armada.handlers import metrics
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from armada.utils import source
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class ChartDownload():
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def __init__(self):
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self.chart_cache = {}
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def get_chart(self, ch, manifest=None):
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manifest_name = manifest['metadata']['name'] if manifest else None
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chart_name = ch['metadata']['name']
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with metrics.CHART_DOWNLOAD.get_context(manifest_name, chart_name):
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return self._get_chart(ch, manifest)
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def _get_chart(self, ch, manifest):
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chart = ch.get(const.KEYWORD_DATA)
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chart_source = chart.get('source', {})
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location = chart_source.get('location')
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ct_type = chart_source.get('type')
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subpath = chart_source.get('subpath', '.')
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proxy_server = chart_source.get('proxy_server')
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if ct_type == 'local':
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chart['source_dir'] = (location, subpath)
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elif ct_type == 'tar':
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source_key = (ct_type, location)
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if source_key not in self.chart_cache:
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LOG.info(
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"Downloading tarball from: %s / proxy %s", location,
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proxy_server or "not set")
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if not CONF.certs:
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LOG.warn(
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'Disabling server validation certs to extract charts')
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tarball_dir = source.get_tarball(
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location, verify=False, proxy_server=proxy_server)
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else:
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tarball_dir = source.get_tarball(
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location, verify=CONF.certs, proxy_server=proxy_server)
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self.chart_cache[source_key] = tarball_dir
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chart['source_dir'] = (self.chart_cache.get(source_key), subpath)
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elif ct_type == 'git':
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reference = chart_source.get('reference', 'master')
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source_key = (ct_type, location, reference)
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if source_key not in self.chart_cache:
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auth_method = chart_source.get('auth_method')
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logstr = 'Cloning repo: {} from branch: {}'.format(
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location, reference)
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if proxy_server:
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logstr += ' proxy: {}'.format(proxy_server)
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if auth_method:
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logstr += ' auth method: {}'.format(auth_method)
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LOG.info(logstr)
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repo_dir = source.git_clone(
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location,
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reference,
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proxy_server=proxy_server,
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auth_method=auth_method)
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self.chart_cache[source_key] = repo_dir
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chart['source_dir'] = (self.chart_cache.get(source_key), subpath)
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else:
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name = ch['metadata']['name']
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raise source_exceptions.ChartSourceException(ct_type, name)
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for dep in ch.get(const.KEYWORD_DATA, {}).get('dependencies', []):
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self.get_chart(dep, manifest=manifest)
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def cleanup(self):
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'''
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Operations to run after deployment process has terminated
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'''
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LOG.info("Performing post-flight operations.")
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# Delete temp dirs used for deployment
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for chart_dir in self.chart_cache.values():
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LOG.debug('Removing temp chart directory: %s', chart_dir)
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source.source_cleanup(chart_dir)
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