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opt/gsutil/gslib/commands/autoclass.py 0000644 00000021613 15025121075 0014127 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 autoclass 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 import text_util from gslib.utils.constants import NO_MAX from gslib.utils.shim_util import GcloudStorageMap from gslib.utils import shim_util _SET_SYNOPSIS = """ gsutil autoclass set (on|off) gs://<bucket_name>... """ _GET_SYNOPSIS = """ gsutil autoclass get gs://<bucket_name>... """ _SYNOPSIS = _SET_SYNOPSIS + _GET_SYNOPSIS.lstrip('\n') _SET_DESCRIPTION = """ <B>SET</B> The ``set`` sub-command requires an additional sub-command, either ``on`` or ``off``, which enables or disables Autoclass for the specified bucket(s). """ _GET_DESCRIPTION = """ <B>GET</B> The ``get`` sub-command gets the current Autoclass configuration for a bucket. The returned configuration has the following fields: ``enabled``: a boolean field indicating whether the feature is on or off. ``toggleTime``: a timestamp indicating when the enabled field was set. """ _DESCRIPTION = """ The `Autoclass <https://cloud.google.com/storage/docs/autoclass>`_ feature automatically selects the best storage class for objects based on access patterns. 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) _GCLOUD_FORMAT_STRING = ('--format=value[separator="' + shim_util.get_format_flag_newline() + '"](' + 'format("gs://{}:", name),' + ' format(" Enabled: {}",' + 'autoclass.enabled.yesno(True, False)),' + ' format(" Toggle Time: {}",' + 'autoclass.toggleTime))') class AutoclassCommand(Command): """Implements the gsutil autoclass command.""" command_spec = Command.CreateCommandSpec( 'autoclass', 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=['on', 'off']), CommandArgument.MakeZeroOrMoreCloudBucketURLsArgument() ], }) # Help specification. See help_provider.py for documentation. help_spec = Command.HelpSpec( help_name='autoclass', help_name_aliases=[], help_type='command_help', help_one_line_summary='Configure Autoclass feature', help_text=_DETAILED_HELP_TEXT, subcommand_help_text={ 'get': _get_help_text, 'set': _set_help_text, }, ) gcloud_storage_map = GcloudStorageMap( gcloud_command={ 'get': GcloudStorageMap( gcloud_command=[ 'storage', 'buckets', 'list', _GCLOUD_FORMAT_STRING, '--raw' ], flag_map={}, supports_output_translation=True, ), 'set': GcloudStorageMap( gcloud_command={ 'on': GcloudStorageMap( gcloud_command=[ 'storage', 'buckets', 'update', '--enable-autoclass', ], flag_map={}, ), 'off': GcloudStorageMap( gcloud_command=[ 'storage', 'buckets', 'update', '--no-enable-autoclass', ], flag_map={}, ), }, flag_map={}, ) }, flag_map={}, ) def _get_autoclass(self, blr): """Gets the autoclass setting for a bucket.""" bucket_url = blr.storage_url bucket_metadata = self.gsutil_api.GetBucket(bucket_url.bucket_name, fields=['autoclass'], provider=bucket_url.scheme) bucket = str(bucket_url).rstrip('/') if bucket_metadata.autoclass: enabled = getattr(bucket_metadata.autoclass, 'enabled', False) toggle_time = getattr(bucket_metadata.autoclass, 'toggleTime', None) else: enabled = False toggle_time = None print('{}:\n' ' Enabled: {}\n' ' Toggle Time: {}'.format(bucket, enabled, toggle_time)) def _set_autoclass(self, blr, setting_arg): """Turns autoclass on or off for a bucket.""" bucket_url = blr.storage_url autoclass_config = apitools_messages.Bucket.AutoclassValue() autoclass_config.enabled = (setting_arg == 'on') bucket_metadata = apitools_messages.Bucket(autoclass=autoclass_config) print('Setting Autoclass %s for %s' % (setting_arg, str(bucket_url).rstrip('/'))) self.gsutil_api.PatchBucket(bucket_url.bucket_name, bucket_metadata, fields=['autoclass'], provider=bucket_url.scheme) return 0 def _autoclass(self): """Handles autoclass command on Cloud Storage buckets.""" subcommand = self.args.pop(0) if subcommand not in ('get', 'set'): raise CommandException('autoclass only supports get|set') subcommand_func = None subcommand_args = [] setting_arg = None if subcommand == 'get': subcommand_func = self._get_autoclass elif subcommand == 'set': subcommand_func = self._set_autoclass setting_arg = self.args.pop(0) text_util.InsistOnOrOff(setting_arg, 'Only on and off values allowed for set option') subcommand_args.append(setting_arg) 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: 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 autoclass 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._autoclass() else: raise CommandException('Invalid subcommand "%s", use get|set instead.' % action_subcommand)
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