a34aca6b3d
To be able to create profiling traces for Manila, client should be able to send special HTTP header that contains trace info. Don't worry no security issue here, trace information is signed by HMAC key that is setted in api-paste.ini. So only person that knows HMAC key is able to send proper header. Main patch (in Manila) is: https://review.opendev.org/c/openstack/manila/+/769729 Change-Id: I20cdb404c6df1be51321afca90aac33ec7eb3475
753 lines
30 KiB
Python
753 lines
30 KiB
Python
# Copyright 2011 OpenStack Foundation
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# Copyright 2014 Mirantis, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Command-line interface to the OpenStack Manila API.
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"""
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import argparse
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import glob
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from importlib import util as importlib_util
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import itertools
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import logging
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import os
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import pkgutil
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import sys
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from oslo_utils import encodeutils
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from oslo_utils import importutils
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import six
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from manilaclient import api_versions
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from manilaclient import client
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from manilaclient.common import cliutils
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from manilaclient.common import constants
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from manilaclient import exceptions as exc
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import manilaclient.extension
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from manilaclient.v2 import shell as shell_v2
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DEFAULT_OS_SHARE_API_VERSION = api_versions.MAX_VERSION
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DEFAULT_MANILA_ENDPOINT_TYPE = 'publicURL'
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DEFAULT_MAJOR_OS_SHARE_API_VERSION = "2"
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V1_MAJOR_VERSION = '1'
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V2_MAJOR_VERSION = '2'
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try:
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osprofiler_profiler = importutils.try_import("osprofiler.profiler")
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except Exception:
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pass
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logger = logging.getLogger(__name__)
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class AllowOnlyOneAliasAtATimeAction(argparse.Action):
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"""Allows only one alias of argument to be used at a time."""
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def __call__(self, parser, namespace, values, option_string=None):
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# NOTE(vponomaryov): this method is redefinition of
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# argparse.Action.__call__ interface
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if not hasattr(self, 'calls'):
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self.calls = {}
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if self.dest not in self.calls:
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self.calls[self.dest] = set()
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local_values = sorted(values) if isinstance(values, list) else values
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self.calls[self.dest].add(six.text_type(local_values))
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if len(self.calls[self.dest]) == 1:
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setattr(namespace, self.dest, local_values)
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else:
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msg = "Only one alias is allowed at a time."
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raise argparse.ArgumentError(self, msg)
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class ManilaClientArgumentParser(argparse.ArgumentParser):
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def __init__(self, *args, **kwargs):
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super(ManilaClientArgumentParser, self).__init__(*args, **kwargs)
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# NOTE(vponomaryov): Register additional action to be used by arguments
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# with multiple aliases.
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self.register('action', 'single_alias', AllowOnlyOneAliasAtATimeAction)
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def error(self, message):
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"""error(message: string)
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Prints a usage message incorporating the message to stderr and
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exits.
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"""
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self.print_usage(sys.stderr)
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# FIXME(lzyeval): if changes occur in argparse.ArgParser._check_value
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choose_from = ' (choose from'
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progparts = self.prog.partition(' ')
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self.exit(2, "error: %(errmsg)s\nTry '%(mainp)s help %(subp)s'"
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" for more information.\n" %
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{'errmsg': message.split(choose_from)[0],
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'mainp': progparts[0],
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'subp': progparts[2]})
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def _get_option_tuples(self, option_string):
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"""Avoid ambiguity in argument abbreviation.
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Manilaclient uses aliases for command parameters and this method
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is used for avoiding parameter ambiguity alert.
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"""
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option_tuples = super(
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ManilaClientArgumentParser, self)._get_option_tuples(option_string)
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if len(option_tuples) > 1:
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opt_strings_list = []
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opts = []
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for opt in option_tuples:
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if opt[0].option_strings not in opt_strings_list:
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opt_strings_list.append(opt[0].option_strings)
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opts.append(opt)
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return opts
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return option_tuples
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class OpenStackManilaShell(object):
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def get_base_parser(self):
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parser = ManilaClientArgumentParser(
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prog='manila',
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description=__doc__.strip(),
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epilog='See "manila help COMMAND" '
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'for help on a specific command.',
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add_help=False,
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formatter_class=OpenStackHelpFormatter,
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)
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# Global arguments
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parser.add_argument('-h', '--help',
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action='store_true',
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help=argparse.SUPPRESS)
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parser.add_argument('--version',
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action='version',
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version=manilaclient.__version__)
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parser.add_argument('-d', '--debug',
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action='store_true',
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default=cliutils.env('manilaclient_DEBUG',
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'MANILACLIENT_DEBUG',
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default=False),
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help="Print debugging output.")
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parser.add_argument('--os-cache',
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default=cliutils.env('OS_CACHE', default=False),
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action='store_true',
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help='Use the auth token cache. '
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'Defaults to env[OS_CACHE].')
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parser.add_argument('--os-reset-cache',
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default=False,
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action='store_true',
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help='Delete cached password and auth token.')
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parser.add_argument('--os-user-id',
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metavar='<auth-user-id>',
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default=cliutils.env('OS_USER_ID'),
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help=('Defaults to env [OS_USER_ID].'))
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parser.add_argument('--os_user_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-username',
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metavar='<auth-user-name>',
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default=cliutils.env('OS_USERNAME',
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'MANILA_USERNAME'),
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help='Defaults to env[OS_USERNAME].')
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parser.add_argument('--os_username',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-password',
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metavar='<auth-password>',
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default=cliutils.env('OS_PASSWORD',
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'MANILA_PASSWORD'),
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help='Defaults to env[OS_PASSWORD].')
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parser.add_argument('--os_password',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-name',
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metavar='<auth-tenant-name>',
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default=cliutils.env('OS_TENANT_NAME',
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'MANILA_PROJECT_ID'),
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help='Defaults to env[OS_TENANT_NAME].')
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parser.add_argument('--os_tenant_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-name',
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metavar='<auth-project-name>',
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default=cliutils.env('OS_PROJECT_NAME'),
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help=('Another way to specify tenant name. '
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'This option is mutually exclusive with '
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'--os-tenant-name. '
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'Defaults to env[OS_PROJECT_NAME].'))
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parser.add_argument('--os_project_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-tenant-id',
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metavar='<auth-tenant-id>',
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default=cliutils.env('OS_TENANT_ID',
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'MANILA_TENANT_ID'),
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help='Defaults to env[OS_TENANT_ID].')
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parser.add_argument('--os_tenant_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-id',
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metavar='<auth-project-id>',
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default=cliutils.env('OS_PROJECT_ID'),
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help=('Another way to specify tenant ID. '
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'This option is mutually exclusive with '
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'--os-tenant-id. '
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'Defaults to env[OS_PROJECT_ID].'))
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parser.add_argument('--os_project_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-user-domain-id',
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metavar='<auth-user-domain-id>',
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default=cliutils.env('OS_USER_DOMAIN_ID'),
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help=('OpenStack user domain ID. '
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'Defaults to env[OS_USER_DOMAIN_ID].'))
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parser.add_argument('--os_user_domain_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-user-domain-name',
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metavar='<auth-user-domain-name>',
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default=cliutils.env('OS_USER_DOMAIN_NAME'),
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help=('OpenStack user domain name. '
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'Defaults to env[OS_USER_DOMAIN_NAME].'))
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parser.add_argument('--os_user_domain_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-domain-id',
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metavar='<auth-project-domain-id>',
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default=cliutils.env('OS_PROJECT_DOMAIN_ID'),
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help='Defaults to env[OS_PROJECT_DOMAIN_ID].')
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parser.add_argument('--os_project_domain_id',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-project-domain-name',
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metavar='<auth-project-domain-name>',
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default=cliutils.env('OS_PROJECT_DOMAIN_NAME'),
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help='Defaults to env[OS_PROJECT_DOMAIN_NAME].')
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parser.add_argument('--os_project_domain_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-auth-url',
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metavar='<auth-url>',
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default=cliutils.env('OS_AUTH_URL',
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'MANILA_URL'),
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help='Defaults to env[OS_AUTH_URL].')
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parser.add_argument('--os_auth_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-region-name',
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metavar='<region-name>',
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default=cliutils.env('OS_REGION_NAME',
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'MANILA_REGION_NAME'),
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help='Defaults to env[OS_REGION_NAME].')
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parser.add_argument('--os_region_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-token',
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metavar='<token>',
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default=cliutils.env('OS_TOKEN'),
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help='Defaults to env[OS_TOKEN].')
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parser.add_argument('--os_token',
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help=argparse.SUPPRESS)
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parser.add_argument('--bypass-url',
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metavar='<bypass-url>',
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default=cliutils.env('OS_MANILA_BYPASS_URL',
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'MANILACLIENT_BYPASS_URL'),
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help=("Use this API endpoint instead of the "
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"Service Catalog. Defaults to "
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"env[OS_MANILA_BYPASS_URL]."))
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parser.add_argument('--bypass_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--service-type',
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metavar='<service-type>',
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help='Defaults to compute for most actions.')
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parser.add_argument('--service_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--service-name',
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metavar='<service-name>',
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default=cliutils.env('OS_MANILA_SERVICE_NAME',
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'MANILA_SERVICE_NAME'),
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help='Defaults to env[OS_MANILA_SERVICE_NAME].')
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parser.add_argument('--service_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--share-service-name',
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metavar='<share-service-name>',
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default=cliutils.env(
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'OS_MANILA_SHARE_SERVICE_NAME',
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'MANILA_share_service_name'),
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help='Defaults to env'
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'[OS_MANILA_SHARE_SERVICE_NAME].')
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parser.add_argument('--share_service_name',
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help=argparse.SUPPRESS)
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parser.add_argument('--endpoint-type',
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metavar='<endpoint-type>',
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default=cliutils.env(
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'OS_MANILA_ENDPOINT_TYPE',
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'MANILA_ENDPOINT_TYPE',
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default=DEFAULT_MANILA_ENDPOINT_TYPE),
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help='Defaults to env[OS_MANILA_ENDPOINT_TYPE] or '
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+ DEFAULT_MANILA_ENDPOINT_TYPE + '.')
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parser.add_argument('--endpoint_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-share-api-version',
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metavar='<share-api-ver>',
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default=cliutils.env(
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'OS_SHARE_API_VERSION',
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default=DEFAULT_OS_SHARE_API_VERSION),
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help='Accepts 1.x to override default '
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'to env[OS_SHARE_API_VERSION].')
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parser.add_argument('--os_share_api_version',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-cacert',
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metavar='<ca-certificate>',
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default=cliutils.env('OS_CACERT', default=None),
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help='Specify a CA bundle file to use in '
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'verifying a TLS (https) server certificate. '
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'Defaults to env[OS_CACERT].')
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parser.add_argument('--insecure',
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default=cliutils.env('manilaclient_INSECURE',
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'MANILACLIENT_INSECURE',
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default=False),
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action='store_true',
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help=argparse.SUPPRESS)
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parser.add_argument('--retries',
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metavar='<retries>',
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type=int,
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default=0,
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help='Number of retries.')
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parser.add_argument('--os-cert',
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metavar='<certificate>',
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default=cliutils.env('OS_CERT'),
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help='Defaults to env[OS_CERT].')
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parser.add_argument('--os_cert',
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help=argparse.SUPPRESS)
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if osprofiler_profiler:
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parser.add_argument('--profile',
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metavar='HMAC_KEY',
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default=cliutils.env('OS_PROFILE'),
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help='HMAC key to use for encrypting '
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'context data for performance profiling '
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'of operation. This key needs to match the '
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'one configured on the manila api server. '
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'Without key the profiling will not be '
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'triggered even if osprofiler is enabled '
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'on server side. Defaults to '
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'env[OS_PROFILE].')
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parser.set_defaults(func=self.do_help)
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parser.set_defaults(command='')
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return parser
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def get_subcommand_parser(self, version):
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parser = self.get_base_parser()
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self.subcommands = {}
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subparsers = parser.add_subparsers(metavar='<subcommand>')
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try:
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actions_module = {
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V2_MAJOR_VERSION: shell_v2,
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}[version]
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except KeyError:
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actions_module = shell_v2
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self._find_actions(subparsers, actions_module)
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self._find_actions(subparsers, self)
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for extension in self.extensions:
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self._find_actions(subparsers, extension.module)
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self._add_bash_completion_subparser(subparsers)
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return parser
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def _discover_extensions(self, api_version):
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extensions = []
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for name, module in itertools.chain(
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self._discover_via_python_path(),
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self._discover_via_contrib_path(api_version)):
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extension = manilaclient.extension.Extension(name, module)
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extensions.append(extension)
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return extensions
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def _discover_via_python_path(self):
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for (module_loader, name, ispkg) in pkgutil.iter_modules():
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if name.endswith('python_manilaclient_ext'):
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if not hasattr(module_loader, 'load_module'):
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# Python 2.6 compat: actually get an ImpImporter obj
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module_loader = module_loader.find_module(name)
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module = module_loader.load_module(name)
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yield name, module
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def _load_module(self, name, path):
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module_spec = importlib_util.spec_from_file_location(
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name, path
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)
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module = importlib_util.module_from_spec(module_spec)
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module_spec.loader.exec_module(module)
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return module
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def _discover_via_contrib_path(self, api_version):
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module_path = os.path.dirname(os.path.abspath(__file__))
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version_str = 'v' + api_version.get_major_version()
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ext_path = os.path.join(module_path, version_str, 'contrib')
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ext_glob = os.path.join(ext_path, "*.py")
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for ext_path in glob.iglob(ext_glob):
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name = os.path.basename(ext_path)[:-3]
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if name == "__init__":
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continue
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module = self._load_module(name, ext_path)
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yield name, module
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def _add_bash_completion_subparser(self, subparsers):
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subparser = subparsers.add_parser(
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'bash_completion',
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add_help=False,
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formatter_class=OpenStackHelpFormatter)
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self.subcommands['bash_completion'] = subparser
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subparser.set_defaults(func=self.do_bash_completion)
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def _find_actions(self, subparsers, actions_module):
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for attr in (a for a in dir(actions_module) if a.startswith('do_')):
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# I prefer to be hypen-separated instead of underscores.
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command = attr[3:].replace('_', '-')
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callback = getattr(actions_module, attr)
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desc = callback.__doc__ or ''
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help = desc.strip()
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arguments = getattr(callback, 'arguments', [])
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subparser = subparsers.add_parser(
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command,
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help=help,
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description=desc,
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add_help=False,
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formatter_class=OpenStackHelpFormatter)
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subparser.add_argument('-h', '--help',
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action='help',
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help=argparse.SUPPRESS,)
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self.subcommands[command] = subparser
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for (args, kwargs) in arguments:
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subparser.add_argument(*args, **kwargs)
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subparser.set_defaults(func=callback)
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def setup_debugging(self, debug):
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if not debug:
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return
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streamformat = "%(levelname)s (%(module)s:%(lineno)d) %(message)s"
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logging.basicConfig(level=logging.DEBUG, format=streamformat)
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logging.getLogger('requests.packages.urllib3.connectionpool'
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).setLevel(logging.WARNING)
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logging.getLogger('keystoneauth1.session').setLevel(logging.WARNING)
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def _build_subcommands_and_extensions(self,
|
|
os_api_version,
|
|
argv,
|
|
options):
|
|
|
|
self.extensions = self._discover_extensions(os_api_version)
|
|
self._run_extension_hooks('__pre_parse_args__')
|
|
|
|
self.parser = self.get_subcommand_parser(
|
|
os_api_version.get_major_version())
|
|
|
|
if argv and len(argv) > 1 and '--help' in argv:
|
|
argv = [x for x in argv if x != '--help']
|
|
if argv[0] in self.subcommands:
|
|
self.subcommands[argv[0]].print_help()
|
|
return False
|
|
|
|
if options.help or not argv:
|
|
self.parser.print_help()
|
|
return False
|
|
|
|
args = self.parser.parse_args(argv)
|
|
self._run_extension_hooks('__post_parse_args__', args)
|
|
|
|
return args
|
|
|
|
def main(self, argv):
|
|
# Parse args once to find version and debug settings
|
|
parser = self.get_base_parser()
|
|
(options, args) = parser.parse_known_args(argv)
|
|
self.setup_debugging(options.debug)
|
|
|
|
os_api_version = self._validate_input_api_version(options)
|
|
|
|
# build available subcommands based on version
|
|
args = self._build_subcommands_and_extensions(os_api_version,
|
|
argv,
|
|
options)
|
|
if not args:
|
|
return 0
|
|
|
|
# Short-circuit and deal with help right away.
|
|
if args.func == self.do_help:
|
|
self.do_help(args)
|
|
return 0
|
|
elif args.func == self.do_bash_completion:
|
|
self.do_bash_completion(args)
|
|
return 0
|
|
|
|
if not options.os_share_api_version:
|
|
api_version = api_versions.get_api_version(
|
|
DEFAULT_MAJOR_OS_SHARE_API_VERSION)
|
|
else:
|
|
api_version = api_versions.get_api_version(
|
|
options.os_share_api_version)
|
|
|
|
major_version_string = six.text_type(api_version.ver_major)
|
|
os_service_type = args.service_type
|
|
if not os_service_type:
|
|
os_service_type = constants.SERVICE_TYPES[major_version_string]
|
|
|
|
os_endpoint_type = args.endpoint_type or DEFAULT_MANILA_ENDPOINT_TYPE
|
|
|
|
client_args = dict(
|
|
username=args.os_username,
|
|
password=args.os_password,
|
|
project_name=args.os_project_name or args.os_tenant_name,
|
|
auth_url=args.os_auth_url,
|
|
insecure=args.insecure,
|
|
region_name=args.os_region_name,
|
|
tenant_id=args.os_project_id or args.os_tenant_id,
|
|
endpoint_type=os_endpoint_type,
|
|
extensions=self.extensions,
|
|
service_type=os_service_type,
|
|
service_name=args.service_name,
|
|
retries=options.retries,
|
|
http_log_debug=args.debug,
|
|
cacert=args.os_cacert,
|
|
use_keyring=args.os_cache,
|
|
force_new_token=args.os_reset_cache,
|
|
user_id=args.os_user_id,
|
|
user_domain_id=args.os_user_domain_id,
|
|
user_domain_name=args.os_user_domain_name,
|
|
project_domain_id=args.os_project_domain_id,
|
|
project_domain_name=args.os_project_domain_name,
|
|
cert=args.os_cert,
|
|
input_auth_token=args.os_token,
|
|
service_catalog_url=args.bypass_url,
|
|
)
|
|
|
|
# Handle deprecated parameters
|
|
if args.share_service_name:
|
|
client_args['share_service_name'] = args.share_service_name
|
|
|
|
self._validate_required_options(
|
|
args.os_tenant_name, args.os_tenant_id,
|
|
args.os_project_name, args.os_project_id,
|
|
args.os_token, args.bypass_url,
|
|
client_args['auth_url'])
|
|
|
|
# This client is needed to discover the server api version.
|
|
temp_client = client.Client(manilaclient.API_MAX_VERSION,
|
|
**client_args)
|
|
|
|
self.cs, discovered_version = self._discover_client(temp_client,
|
|
os_api_version,
|
|
os_endpoint_type,
|
|
os_service_type,
|
|
client_args)
|
|
|
|
args = self._build_subcommands_and_extensions(discovered_version,
|
|
argv,
|
|
options)
|
|
|
|
profile = osprofiler_profiler and options.profile
|
|
if profile:
|
|
osprofiler_profiler.init(options.profile)
|
|
|
|
args.func(self.cs, args)
|
|
|
|
if profile:
|
|
trace_id = osprofiler_profiler.get().get_base_id()
|
|
print("Profiling trace ID: %s" % trace_id)
|
|
print("To display trace use next command:\n"
|
|
"osprofiler trace show --html %s " % trace_id)
|
|
|
|
def _discover_client(self,
|
|
current_client,
|
|
os_api_version,
|
|
os_endpoint_type,
|
|
os_service_type,
|
|
client_args):
|
|
|
|
if os_api_version == manilaclient.API_DEPRECATED_VERSION:
|
|
discovered_version = manilaclient.API_DEPRECATED_VERSION
|
|
os_service_type = constants.V1_SERVICE_TYPE
|
|
else:
|
|
discovered_version = api_versions.discover_version(
|
|
current_client,
|
|
os_api_version
|
|
)
|
|
|
|
if not os_endpoint_type:
|
|
os_endpoint_type = DEFAULT_MANILA_ENDPOINT_TYPE
|
|
|
|
if not os_service_type:
|
|
os_service_type = self._discover_service_type(discovered_version)
|
|
|
|
if (discovered_version != manilaclient.API_MAX_VERSION or
|
|
os_service_type != constants.V1_SERVICE_TYPE or
|
|
os_endpoint_type != DEFAULT_MANILA_ENDPOINT_TYPE):
|
|
client_args['version'] = discovered_version
|
|
client_args['service_type'] = os_service_type
|
|
client_args['endpoint_type'] = os_endpoint_type
|
|
|
|
return (client.Client(discovered_version, **client_args),
|
|
discovered_version)
|
|
else:
|
|
return current_client, discovered_version
|
|
|
|
def _discover_service_type(self, discovered_version):
|
|
major_version = discovered_version.get_major_version()
|
|
service_type = constants.SERVICE_TYPES[major_version]
|
|
return service_type
|
|
|
|
def _validate_input_api_version(self, options):
|
|
if not options.os_share_api_version:
|
|
api_version = manilaclient.API_MAX_VERSION
|
|
else:
|
|
api_version = api_versions.get_api_version(
|
|
options.os_share_api_version)
|
|
return api_version
|
|
|
|
def _validate_required_options(self, tenant_name, tenant_id,
|
|
project_name, project_id,
|
|
token, service_catalog_url, auth_url):
|
|
if token and not service_catalog_url:
|
|
raise exc.CommandError(
|
|
"bypass_url missing: When specifying a token the bypass_url "
|
|
"must be set via --bypass-url or env[OS_MANILA_BYPASS_URL]")
|
|
if service_catalog_url and not token:
|
|
raise exc.CommandError(
|
|
"Token missing: When specifying a bypass_url a token must be "
|
|
"set via --os-token or env[OS_TOKEN]")
|
|
if token and service_catalog_url:
|
|
return
|
|
|
|
if not (tenant_name or tenant_id or project_name or project_id):
|
|
raise exc.CommandError(
|
|
"You must provide a tenant_name, tenant_id, "
|
|
"project_id or project_name (with "
|
|
"project_domain_name or project_domain_id) via "
|
|
"--os-tenant-name or env[OS_TENANT_NAME], "
|
|
"--os-tenant-id or env[OS_TENANT_ID], "
|
|
"--os-project-id or env[OS_PROJECT_ID], "
|
|
"--os-project-name or env[OS_PROJECT_NAME], "
|
|
"--os-project-domain-id or env[OS_PROJECT_DOMAIN_ID] and "
|
|
"--os-project-domain-name or env[OS_PROJECT_DOMAIN_NAME]."
|
|
)
|
|
|
|
if not auth_url:
|
|
raise exc.CommandError(
|
|
"You must provide an auth url "
|
|
"via either --os-auth-url or env[OS_AUTH_URL]")
|
|
|
|
def _run_extension_hooks(self, hook_type, *args, **kwargs):
|
|
"""Run hooks for all registered extensions."""
|
|
for extension in self.extensions:
|
|
extension.run_hooks(hook_type, *args, **kwargs)
|
|
|
|
def do_bash_completion(self, args):
|
|
"""Print arguments for bash_completion.
|
|
|
|
Prints all of the commands and options to stdout so that the
|
|
manila.bash_completion script doesn't have to hard code them.
|
|
"""
|
|
commands = set()
|
|
options = set()
|
|
for sc_str, sc in list(self.subcommands.items()):
|
|
commands.add(sc_str)
|
|
for option in sc._optionals._option_string_actions:
|
|
options.add(option)
|
|
|
|
commands.remove('bash-completion')
|
|
commands.remove('bash_completion')
|
|
print(' '.join(commands | options))
|
|
|
|
@cliutils.arg('command', metavar='<subcommand>', nargs='?',
|
|
help='Display help for <subcommand>')
|
|
def do_help(self, args):
|
|
"""Display help about this program or one of its subcommands."""
|
|
if args.command:
|
|
if args.command in self.subcommands:
|
|
self.subcommands[args.command].print_help()
|
|
else:
|
|
raise exc.CommandError("'%s' is not a valid subcommand" %
|
|
args.command)
|
|
else:
|
|
self.parser.print_help()
|
|
|
|
|
|
# I'm picky about my shell help.
|
|
class OpenStackHelpFormatter(argparse.HelpFormatter):
|
|
def start_section(self, heading):
|
|
# Title-case the headings
|
|
heading = '%s%s' % (heading[0].upper(), heading[1:])
|
|
super(OpenStackHelpFormatter, self).start_section(heading)
|
|
|
|
|
|
def main():
|
|
try:
|
|
if sys.version_info >= (3, 0):
|
|
OpenStackManilaShell().main(sys.argv[1:])
|
|
else:
|
|
OpenStackManilaShell().main(
|
|
map(encodeutils.safe_decode, sys.argv[1:]))
|
|
except KeyboardInterrupt:
|
|
print("... terminating manila client", file=sys.stderr)
|
|
sys.exit(130)
|
|
except Exception as e:
|
|
logger.debug(e, exc_info=1)
|
|
print("ERROR: %s" % six.text_type(e), file=sys.stderr)
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|