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opt/gsutil/gslib/commands/rpo.py 0000644 00000017543 15025121076 0012741 0 ustar 00 # -*- coding: utf-8 -*- # Copyright 2021 Google LLC. All Rights Reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """This module provides the rpo command to gsutil.""" from __future__ import absolute_import from __future__ import print_function import textwrap from gslib import metrics from gslib.command import Command from gslib.command_argument import CommandArgument from gslib.cs_api_map import ApiSelector from gslib.exception import CommandException from gslib.exception import NO_URLS_MATCHED_TARGET from gslib.help_provider import CreateHelpText from gslib.third_party.storage_apitools import storage_v1_messages as apitools_messages from gslib.utils.constants import NO_MAX from gslib.utils.shim_util import GcloudStorageMap VALID_RPO_VALUES = ('ASYNC_TURBO', 'DEFAULT') VALID_RPO_VALUES_STRING = '({})'.format('|'.join(VALID_RPO_VALUES)) _SET_SYNOPSIS = """ gsutil rpo set {} gs://<bucket_name>... """.format(VALID_RPO_VALUES_STRING) _GET_SYNOPSIS = """ gsutil rpo get gs://<bucket_name>... """ _SYNOPSIS = _SET_SYNOPSIS + _GET_SYNOPSIS.lstrip('\n') _SET_DESCRIPTION = """ <B>SET</B> The ``rpo set`` command configures turbo replication for dual-region Google Cloud Storage buckets. <B>SET EXAMPLES</B> Configure your buckets to use turbo replication: gsutil rpo set ASYNC_TURBO gs://redbucket gs://bluebucket Configure your buckets to NOT use turbo replication: gsutil rpo set DEFAULT gs://redbucket gs://bluebucket """ _GET_DESCRIPTION = """ <B>GET</B> The ``rpo get`` command returns the replication setting for the specified Cloud Storage buckets. <B>GET EXAMPLES</B> Check if your buckets are using turbo replication: gsutil rpo get gs://redbucket gs://bluebucket """ _DESCRIPTION = """ The ``rpo`` command is used to retrieve or configure the `replication setting <https://cloud.google.com/storage/docs/availability-durability#cross-region-redundancy>`_ of dual-region Cloud Storage buckets. This command has two sub-commands: ``get`` and ``set``. """ + _GET_DESCRIPTION + _SET_DESCRIPTION _DETAILED_HELP_TEXT = CreateHelpText(_SYNOPSIS, _DESCRIPTION) _set_help_text = CreateHelpText(_SET_SYNOPSIS, _SET_DESCRIPTION) _get_help_text = CreateHelpText(_GET_SYNOPSIS, _GET_DESCRIPTION) GET_COMMAND = GcloudStorageMap(gcloud_command=[ 'storage', 'buckets', 'list', '--format=value[separator=": "](format("gs://{}", name),' 'rpo.yesno(no="None"))', '--raw' ], flag_map={}) SET_COMMAND = GcloudStorageMap( gcloud_command=[ 'storage', 'buckets', 'update', '--recovery-point-objective' ], flag_map={}, ) class RpoCommand(Command): """Implements the gsutil rpo command.""" command_spec = Command.CreateCommandSpec( 'rpo', command_name_aliases=[], usage_synopsis=_SYNOPSIS, min_args=2, max_args=NO_MAX, supported_sub_args='', file_url_ok=False, provider_url_ok=False, urls_start_arg=2, gs_api_support=[ApiSelector.JSON], gs_default_api=ApiSelector.JSON, argparse_arguments={ 'get': [CommandArgument.MakeNCloudURLsArgument(1)], 'set': [ CommandArgument('mode', choices=list(VALID_RPO_VALUES)), CommandArgument.MakeZeroOrMoreCloudBucketURLsArgument(), ], }) # Help specification. See help_provider.py for documentation. help_spec = Command.HelpSpec( help_name='rpo', help_name_aliases=[], help_type='command_help', help_one_line_summary='Configure replication', help_text=_DETAILED_HELP_TEXT, subcommand_help_text={ 'get': _get_help_text, 'set': _set_help_text, }, ) gcloud_storage_map = GcloudStorageMap( gcloud_command={ 'get': GET_COMMAND, 'set': SET_COMMAND, }, flag_map={}, ) def _ValidateBucketListingRefAndReturnBucketName(self, blr): if blr.storage_url.scheme != 'gs': raise CommandException( 'The %s command can only be used with gs:// bucket URLs.' % self.command_name) def _GetRpo(self, blr): """Gets the rpo setting for a bucket.""" bucket_url = blr.storage_url bucket_metadata = self.gsutil_api.GetBucket(bucket_url.bucket_name, fields=['rpo'], provider=bucket_url.scheme) rpo = bucket_metadata.rpo bucket = str(bucket_url).rstrip('/') print('%s: %s' % (bucket, rpo)) def _SetRpo(self, blr, rpo_value): """Sets the rpo setting for a bucket.""" bucket_url = blr.storage_url formatted_rpo_value = rpo_value if formatted_rpo_value not in VALID_RPO_VALUES: raise CommandException( 'Invalid value for rpo set.' ' Should be one of {}'.format(VALID_RPO_VALUES_STRING)) bucket_metadata = apitools_messages.Bucket(rpo=formatted_rpo_value) self.logger.info('Setting rpo %s for %s' % (formatted_rpo_value, str(bucket_url).rstrip('/'))) self.gsutil_api.PatchBucket(bucket_url.bucket_name, bucket_metadata, fields=['rpo'], provider=bucket_url.scheme) return 0 def _Rpo(self): """Handles rpo command on Cloud Storage buckets.""" subcommand = self.args.pop(0) if subcommand not in ('get', 'set'): raise CommandException('rpo only supports get|set') subcommand_func = None subcommand_args = [] if subcommand == 'get': subcommand_func = self._GetRpo elif subcommand == 'set': subcommand_func = self._SetRpo setting_arg = self.args.pop(0) subcommand_args.append(setting_arg) # TODO: Remove this as rpo should work for XML as well. if self.gsutil_api.GetApiSelector('gs') != ApiSelector.JSON: raise CommandException('\n'.join( textwrap.wrap(('The "%s" command can only be with the Cloud Storage ' 'JSON API.') % self.command_name))) # Iterate over bucket args, performing the specified subsubcommand. some_matched = False url_args = self.args if not url_args: self.RaiseWrongNumberOfArgumentsException() for url_str in url_args: # Throws a CommandException if the argument is not a bucket. bucket_iter = self.GetBucketUrlIterFromArg(url_str) for bucket_listing_ref in bucket_iter: # TODO: Make this more general when adding RPO support for the XML API. if self.gsutil_api.GetApiSelector( bucket_listing_ref.storage_url.scheme) != ApiSelector.JSON: raise CommandException('\n'.join( textwrap.wrap(('The "%s" command can only be used for GCS ' 'buckets.') % self.command_name))) some_matched = True subcommand_func(bucket_listing_ref, *subcommand_args) if not some_matched: raise CommandException(NO_URLS_MATCHED_TARGET % list(url_args)) return 0 def RunCommand(self): """Command entry point for the rpo command.""" action_subcommand = self.args[0] self.ParseSubOpts(check_args=True) if action_subcommand == 'get' or action_subcommand == 'set': metrics.LogCommandParams(sub_opts=self.sub_opts) metrics.LogCommandParams(subcommands=[action_subcommand]) return self._Rpo() else: raise CommandException('Invalid subcommand "%s", use get|set instead.' % action_subcommand)
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