82 lines
3.1 KiB
Python
82 lines
3.1 KiB
Python
# -*- coding: utf-8 -*- #
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# Copyright 2020 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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"""Command for spanner restore database."""
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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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import textwrap
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from googlecloudsdk.api_lib.spanner import database_operations
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from googlecloudsdk.api_lib.spanner import databases
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from googlecloudsdk.calliope import base
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from googlecloudsdk.command_lib.spanner import resource_args
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from googlecloudsdk.core import log
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class Restore(base.RestoreCommand):
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"""Restore a Cloud Spanner database."""
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detailed_help = {
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'DESCRIPTION':
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textwrap.dedent("""
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Restores from a backup to a new Cloud Spanner database."""),
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'EXAMPLES':
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textwrap.dedent("""
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To restore a backup, run:
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$ {command} --source-backup=BACKUP_ID --source-instance=SOURCE_INSTANCE --destination-database=DATABASE --destination-instance=INSTANCE_NAME
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To restore a backup using relative names, run:
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$ {command} --source-backup=projects/PROJECT_ID/instances/SOURCE_INSTANCE_ID/backups/BACKUP_ID --destination-database=projects/PROJECT_ID/instances/SOURCE_INSTANCE_ID/databases/DATABASE_ID
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""")
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}
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@staticmethod
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def Args(parser):
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"""Register flags for this command."""
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resource_args.AddRestoreResourceArgs(parser)
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base.ASYNC_FLAG.AddToParser(parser)
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encryption_group_parser = parser.add_argument_group()
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resource_args.AddRestoreDbEncryptionTypeArg(encryption_group_parser)
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resource_args.AddKmsKeyResourceArg(encryption_group_parser,
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'to restore the Cloud Spanner database')
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def Run(self, args):
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"""This is what gets called when the user runs this command.
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Args:
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args: an argparse namespace. All the arguments that were provided to this
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command invocation.
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Returns:
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A message indicating database is restoring or when async, the operation.
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"""
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backup_ref = args.CONCEPTS.source.Parse()
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database_ref = args.CONCEPTS.destination.Parse()
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encryption_type = resource_args.GetRestoreDbEncryptionType(args)
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kms_key = resource_args.GetAndValidateKmsKeyName(args)
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op = databases.Restore(database_ref, backup_ref, encryption_type, kms_key)
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if args.async_:
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return log.status.Print(
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'Restore database in progress. Operation name={}'.format(op.name))
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return database_operations.Await(
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op,
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'Restoring backup {0} to database {1}'.format(backup_ref.Name(),
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database_ref.Name()))
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