76 lines
2.5 KiB
Python
76 lines
2.5 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2017 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 meta cache delete 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.calliope import base
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from googlecloudsdk.command_lib.meta import cache_util
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from googlecloudsdk.core import log
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from googlecloudsdk.core.console import console_io
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class Delete(base.Command):
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"""Delete a persistent cache or tables in the cache."""
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@staticmethod
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def Args(parser):
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cache_util.AddCacheFlag(parser)
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parser.add_argument(
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'tables',
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nargs='*',
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help=('The table names or name patterns to delete, where `?` matches '
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'any character and ```*``` matches any string of zero or more '
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'characters. If omitted then the entired cache is deleted.'))
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def Run(self, args):
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def _RequireConfirmation(name):
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"""Prompt for cache deletion and return confirmation."""
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console_io.PromptContinue(
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message='The entire [{}] cache will be deleted.'.format(name),
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cancel_on_no=True,
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default=True)
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if not args.tables and not args.IsSpecified('cache'):
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_RequireConfirmation(args.cache)
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cache_util.Delete()
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return None
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with cache_util.GetCache(args.cache) as cache:
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log.info('cache name {}'.format(cache.name))
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if args.tables:
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names = [name for pattern in args.tables
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for name in cache.Select(pattern)]
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if not names:
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raise cache_util.NoTablesMatched('No tables matched [{}].'.format(
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','.join(args.tables)))
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console_io.PromptContinue(
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message='[{}] will be deleted.'.format(','.join(names)),
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default=True,
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cancel_on_no=True)
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for name in names:
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table = cache.Table(name)
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table.Delete()
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return None
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_RequireConfirmation(cache.name)
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cache.Delete()
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return None
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