110 lines
3.9 KiB
Python
110 lines
3.9 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2015 Google LLC. All Rights Reserved.
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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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"""The Start command."""
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from __future__ import absolute_import
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from __future__ import division
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from __future__ import unicode_literals
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from googlecloudsdk.api_lib.app import appengine_api_client
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from googlecloudsdk.api_lib.app import operations_util
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from googlecloudsdk.api_lib.app import version_util
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from googlecloudsdk.calliope import base
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from googlecloudsdk.core import exceptions
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from googlecloudsdk.core import log
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from googlecloudsdk.core.console import console_io
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from googlecloudsdk.core.console import progress_tracker
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from googlecloudsdk.core.resource import resource_printer
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import six
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class VersionsStartError(exceptions.Error):
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"""Errors occurring when starting versions."""
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pass
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class Start(base.Command):
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"""Start serving specified versions.
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This command starts serving the specified versions. It may only be used if the
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scaling module for your service has been set to manual.
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"""
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detailed_help = {
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'EXAMPLES': """\
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To start a specific version across all services, run:
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$ {command} v1
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To start multiple named versions across all services, run:
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$ {command} v1 v2
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To start a single version on a single service, run:
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$ {command} --service=servicename v1
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To start multiple versions in a single service, run:
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$ {command} --service=servicename v1 v2
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""",
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}
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@staticmethod
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def Args(parser):
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parser.add_argument('versions', nargs='+', help=(
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'The versions to start. (optionally filtered by the --service flag).'))
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parser.add_argument('--service', '-s',
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help=('If specified, only start versions from the '
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'given service.'))
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def Run(self, args):
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# TODO(b/36052475): This fails with "module/version does not exist" even
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# when it exists if the scaling mode is set to auto. It would be good
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# to improve that error message.
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api_client = appengine_api_client.GetApiClientForTrack(self.ReleaseTrack())
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services = api_client.ListServices()
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versions = version_util.GetMatchingVersions(
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api_client.ListVersions(services),
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args.versions, args.service)
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if not versions:
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log.warning('No matching versions found.')
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return
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fmt = 'list[title="Starting the following versions:"]'
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resource_printer.Print(versions, fmt, out=log.status)
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console_io.PromptContinue(cancel_on_no=True)
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errors = {}
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# Sort versions to make behavior deterministic enough for unit testing.
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for version in sorted(versions, key=str):
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try:
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with progress_tracker.ProgressTracker('Starting [{0}]'.format(version)):
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operations_util.CallAndCollectOpErrors(
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api_client.StartVersion, version.service, version.id)
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except operations_util.MiscOperationError as err:
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errors[version] = six.text_type(err)
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if errors:
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printable_errors = {}
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for version, error_msg in errors.items():
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short_name = '[{0}/{1}]'.format(version.service, version.id)
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printable_errors[short_name] = '{0}: {1}'.format(short_name, error_msg)
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raise VersionsStartError(
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'Issues starting version(s): {0}\n\n'.format(
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', '.join(list(printable_errors.keys()))) +
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'\n\n'.join(list(printable_errors.values())))
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