
After the introduce of this patch set[1], cli user can't get debug info even --debug is passed. With the patch set[1], the request action will be performed in keystoneclient.session.Session. However the default log level of keystoneclient module is WARNING, so user can't get debug info from keystoneclient.session.Session. This change set the root log level to DEBUG when --debug is passed. [1]: https://review.openstack.org/#/c/262220/ Change-Id: I0db0fd7ab07a0d61082b86829a671d8dbc0f2963 Closes-bug: 1551076
681 lines
28 KiB
Python
Executable File
681 lines
28 KiB
Python
Executable File
# Copyright 2012 OpenStack Foundation
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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 Images API.
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"""
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from __future__ import print_function
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import argparse
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import copy
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import getpass
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import hashlib
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import json
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import logging
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import os
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import sys
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import traceback
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from oslo_utils import encodeutils
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from oslo_utils import importutils
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import six.moves.urllib.parse as urlparse
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import glanceclient
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from glanceclient._i18n import _
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from glanceclient.common import utils
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from glanceclient import exc
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from keystoneclient.auth.identity import v2 as v2_auth
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from keystoneclient.auth.identity import v3 as v3_auth
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from keystoneclient import discover
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from keystoneclient import exceptions as ks_exc
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from keystoneclient import session
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osprofiler_profiler = importutils.try_import("osprofiler.profiler")
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SUPPORTED_VERSIONS = [1, 2]
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class OpenStackImagesShell(object):
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def _append_global_identity_args(self, parser):
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# register common identity args
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session.Session.register_cli_options(parser)
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v3_auth.Password.register_argparse_arguments(parser)
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parser.add_argument('--key-file',
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dest='os_key',
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help='DEPRECATED! Use --os-key.')
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parser.add_argument('--ca-file',
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dest='os_cacert',
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help='DEPRECATED! Use --os-cacert.')
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parser.add_argument('--cert-file',
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dest='os_cert',
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help='DEPRECATED! Use --os-cert.')
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parser.add_argument('--os-tenant-id',
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default=utils.env('OS_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-tenant-name',
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default=utils.env('OS_TENANT_NAME'),
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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-region-name',
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default=utils.env('OS_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-auth-token',
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default=utils.env('OS_AUTH_TOKEN'),
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help='Defaults to env[OS_AUTH_TOKEN].')
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parser.add_argument('--os_auth_token',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-service-type',
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default=utils.env('OS_SERVICE_TYPE'),
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help='Defaults to env[OS_SERVICE_TYPE].')
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parser.add_argument('--os_service_type',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-endpoint-type',
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default=utils.env('OS_ENDPOINT_TYPE'),
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help='Defaults to env[OS_ENDPOINT_TYPE].')
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parser.add_argument('--os_endpoint_type',
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help=argparse.SUPPRESS)
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def get_base_parser(self):
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parser = argparse.ArgumentParser(
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prog='glance',
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description=__doc__.strip(),
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epilog='See "glance 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=HelpFormatter,
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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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)
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parser.add_argument('--version',
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action='version',
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version=glanceclient.__version__)
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parser.add_argument('-d', '--debug',
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default=bool(utils.env('GLANCECLIENT_DEBUG')),
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action='store_true',
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help='Defaults to env[GLANCECLIENT_DEBUG].')
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parser.add_argument('-v', '--verbose',
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default=False, action="store_true",
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help="Print more verbose output.")
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parser.add_argument('--get-schema',
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default=False, action="store_true",
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dest='get_schema',
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help='Ignores cached copy and forces retrieval '
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'of schema that generates portions of the '
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'help text. Ignored with API version 1.')
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parser.add_argument('--no-ssl-compression',
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dest='ssl_compression',
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default=True, action='store_false',
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help='DEPRECATED! This option is deprecated '
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'and not used anymore. SSL compression '
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'should be disabled by default by the '
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'system SSL library.')
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parser.add_argument('-f', '--force',
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dest='force',
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default=False, action='store_true',
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help='Prevent select actions from requesting '
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'user confirmation.')
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parser.add_argument('--os-image-url',
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default=utils.env('OS_IMAGE_URL'),
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help=('Defaults to env[OS_IMAGE_URL]. '
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'If the provided image url contains '
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'a version number and '
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'`--os-image-api-version` is omitted '
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'the version of the URL will be picked as '
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'the image api version to use.'))
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parser.add_argument('--os_image_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--os-image-api-version',
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default=utils.env('OS_IMAGE_API_VERSION',
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default=None),
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help='Defaults to env[OS_IMAGE_API_VERSION] or 2.')
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parser.add_argument('--os_image_api_version',
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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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help='HMAC key to use for encrypting context '
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'data for performance profiling of operation. '
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'This key should be the value of HMAC key '
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'configured in osprofiler middleware in '
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'glance, it is specified in paste '
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'configuration file at '
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'/etc/glance/api-paste.ini and '
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'/etc/glance/registry-paste.ini. Without key '
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'the profiling will not be triggered even '
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'if osprofiler is enabled on server side.')
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self._append_global_identity_args(parser)
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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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submodule = utils.import_versioned_module(version, 'shell')
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self._find_actions(subparsers, submodule)
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self._find_actions(subparsers, self)
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self._add_bash_completion_subparser(subparsers)
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return parser
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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().split('\n')[0]
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arguments = getattr(callback, 'arguments', [])
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subparser = subparsers.add_parser(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=HelpFormatter
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)
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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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)
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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 _add_bash_completion_subparser(self, subparsers):
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subparser = subparsers.add_parser('bash_completion',
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add_help=False,
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formatter_class=HelpFormatter)
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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 _get_image_url(self, args):
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"""Translate the available url-related options into a single string.
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Return the endpoint that should be used to talk to Glance if a
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clear decision can be made. Otherwise, return None.
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"""
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if args.os_image_url:
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return args.os_image_url
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else:
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return None
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def _discover_auth_versions(self, session, auth_url):
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# discover the API versions the server is supporting base on the
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# given URL
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v2_auth_url = None
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v3_auth_url = None
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try:
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ks_discover = discover.Discover(session=session, auth_url=auth_url)
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v2_auth_url = ks_discover.url_for('2.0')
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v3_auth_url = ks_discover.url_for('3.0')
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except ks_exc.ClientException as e:
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# Identity service may not support discover API version.
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# Lets trying to figure out the API version from the original URL.
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url_parts = urlparse.urlparse(auth_url)
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(scheme, netloc, path, params, query, fragment) = url_parts
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path = path.lower()
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if path.startswith('/v3'):
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v3_auth_url = auth_url
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elif path.startswith('/v2'):
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v2_auth_url = auth_url
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else:
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# not enough information to determine the auth version
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msg = ('Unable to determine the Keystone version '
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'to authenticate with using the given '
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'auth_url. Identity service may not support API '
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'version discovery. Please provide a versioned '
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'auth_url instead. error=%s') % (e)
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raise exc.CommandError(msg)
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return (v2_auth_url, v3_auth_url)
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def _get_keystone_session(self, **kwargs):
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ks_session = session.Session.construct(kwargs)
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# discover the supported keystone versions using the given auth url
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auth_url = kwargs.pop('auth_url', None)
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(v2_auth_url, v3_auth_url) = self._discover_auth_versions(
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session=ks_session,
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auth_url=auth_url)
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# Determine which authentication plugin to use. First inspect the
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# auth_url to see the supported version. If both v3 and v2 are
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# supported, then use the highest version if possible.
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user_id = kwargs.pop('user_id', None)
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username = kwargs.pop('username', None)
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password = kwargs.pop('password', None)
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user_domain_name = kwargs.pop('user_domain_name', None)
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user_domain_id = kwargs.pop('user_domain_id', None)
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# project and tenant can be used interchangeably
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project_id = (kwargs.pop('project_id', None) or
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kwargs.pop('tenant_id', None))
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project_name = (kwargs.pop('project_name', None) or
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kwargs.pop('tenant_name', None))
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project_domain_id = kwargs.pop('project_domain_id', None)
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project_domain_name = kwargs.pop('project_domain_name', None)
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auth = None
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use_domain = (user_domain_id or
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user_domain_name or
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project_domain_id or
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project_domain_name)
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use_v3 = v3_auth_url and (use_domain or (not v2_auth_url))
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use_v2 = v2_auth_url and not use_domain
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if use_v3:
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auth = v3_auth.Password(
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v3_auth_url,
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user_id=user_id,
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username=username,
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password=password,
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user_domain_id=user_domain_id,
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user_domain_name=user_domain_name,
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project_id=project_id,
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project_name=project_name,
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project_domain_id=project_domain_id,
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project_domain_name=project_domain_name)
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elif use_v2:
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auth = v2_auth.Password(
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v2_auth_url,
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username,
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password,
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tenant_id=project_id,
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tenant_name=project_name)
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else:
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# if we get here it means domain information is provided
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# (caller meant to use Keystone V3) but the auth url is
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# actually Keystone V2. Obviously we can't authenticate a V3
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# user using V2.
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exc.CommandError("Credential and auth_url mismatch. The given "
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"auth_url is using Keystone V2 endpoint, which "
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"may not able to handle Keystone V3 credentials. "
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"Please provide a correct Keystone V3 auth_url.")
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ks_session.auth = auth
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return ks_session
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def _get_kwargs_for_create_session(self, args):
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if not args.os_username:
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raise exc.CommandError(
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_("You must provide a username via"
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" either --os-username or "
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"env[OS_USERNAME]"))
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if not args.os_password:
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# No password, If we've got a tty, try prompting for it
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if hasattr(sys.stdin, 'isatty') and sys.stdin.isatty():
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# Check for Ctl-D
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try:
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args.os_password = getpass.getpass('OS Password: ')
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except EOFError:
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pass
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# No password because we didn't have a tty or the
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# user Ctl-D when prompted.
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if not args.os_password:
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raise exc.CommandError(
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_("You must provide a password via "
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"either --os-password, "
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"env[OS_PASSWORD], "
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"or prompted response"))
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# Validate password flow auth
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project_info = (
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args.os_tenant_name or args.os_tenant_id or (
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args.os_project_name and (
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args.os_project_domain_name or
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args.os_project_domain_id
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)
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) or args.os_project_id
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)
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if not project_info:
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# tenant is deprecated in Keystone v3. Use the latest
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# terminology instead.
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raise exc.CommandError(
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_("You must provide a project_id or project_name ("
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"with project_domain_name or project_domain_id) "
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"via "
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" --os-project-id (env[OS_PROJECT_ID])"
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" --os-project-name (env[OS_PROJECT_NAME]),"
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" --os-project-domain-id "
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"(env[OS_PROJECT_DOMAIN_ID])"
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" --os-project-domain-name "
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"(env[OS_PROJECT_DOMAIN_NAME])"))
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if not args.os_auth_url:
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raise exc.CommandError(
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_("You must provide an auth url via"
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" either --os-auth-url or "
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"via env[OS_AUTH_URL]"))
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kwargs = {
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'auth_url': args.os_auth_url,
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'username': args.os_username,
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'user_id': args.os_user_id,
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'user_domain_id': args.os_user_domain_id,
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'user_domain_name': args.os_user_domain_name,
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'password': args.os_password,
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'tenant_name': args.os_tenant_name,
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'tenant_id': args.os_tenant_id,
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'project_name': args.os_project_name,
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'project_id': args.os_project_id,
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'project_domain_name': args.os_project_domain_name,
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'project_domain_id': args.os_project_domain_id,
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'insecure': args.insecure,
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'cacert': args.os_cacert,
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'cert': args.os_cert,
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'key': args.os_key
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}
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return kwargs
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def _get_versioned_client(self, api_version, args):
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endpoint = self._get_image_url(args)
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auth_token = args.os_auth_token
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auth_req = (hasattr(args, 'func') and
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utils.is_authentication_required(args.func))
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if not auth_req or (endpoint and auth_token):
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kwargs = {
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'token': auth_token,
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'insecure': args.insecure,
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'timeout': args.timeout,
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'cacert': args.os_cacert,
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'cert': args.os_cert,
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'key': args.os_key,
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'ssl_compression': args.ssl_compression
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}
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else:
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kwargs = self._get_kwargs_for_create_session(args)
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kwargs = {'session': self._get_keystone_session(**kwargs)}
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return glanceclient.Client(api_version, endpoint, **kwargs)
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def _cache_schemas(self, options, client, home_dir='~/.glanceclient'):
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homedir = os.path.expanduser(home_dir)
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path_prefix = homedir
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if options.os_auth_url:
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hash_host = hashlib.sha1(options.os_auth_url.encode('utf-8'))
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path_prefix = os.path.join(path_prefix, hash_host.hexdigest())
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if not os.path.exists(path_prefix):
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try:
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os.makedirs(path_prefix)
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except OSError as e:
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# This avoids glanceclient to crash if it can't write to
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# ~/.glanceclient, which may happen on some env (for me,
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# it happens in Jenkins, as Glanceclient can't write to
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# /var/lib/jenkins).
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msg = '%s' % e
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print(encodeutils.safe_decode(msg), file=sys.stderr)
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resources = ['image', 'metadefs/namespace', 'metadefs/resource_type']
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schema_file_paths = [os.path.join(path_prefix, x + '_schema.json')
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for x in ['image', 'namespace', 'resource_type']]
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failed_download_schema = 0
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for resource, schema_file_path in zip(resources, schema_file_paths):
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if (not os.path.exists(schema_file_path)) or options.get_schema:
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try:
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schema = client.schemas.get(resource)
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with open(schema_file_path, 'w') as f:
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f.write(json.dumps(schema.raw()))
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except exc.Unauthorized:
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raise exc.CommandError(
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"Invalid OpenStack Identity credentials.")
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except Exception:
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# NOTE(esheffield) do nothing here, we'll get a message
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# later if the schema is missing
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failed_download_schema += 1
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pass
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return failed_download_schema >= len(resources)
|
|
|
|
def main(self, argv):
|
|
|
|
def _get_subparser(api_version):
|
|
try:
|
|
return self.get_subcommand_parser(api_version)
|
|
except ImportError as e:
|
|
if options.debug:
|
|
traceback.print_exc()
|
|
if not str(e):
|
|
# Add a generic import error message if the raised
|
|
# ImportError has none.
|
|
raise ImportError('Unable to import module. Re-run '
|
|
'with --debug for more info.')
|
|
raise
|
|
except Exception:
|
|
if options.debug:
|
|
traceback.print_exc()
|
|
raise
|
|
|
|
# Parse args once to find version
|
|
|
|
# NOTE(flepied) Under Python3, parsed arguments are removed
|
|
# from the list so make a copy for the first parsing
|
|
base_argv = copy.deepcopy(argv)
|
|
parser = self.get_base_parser()
|
|
(options, args) = parser.parse_known_args(base_argv)
|
|
|
|
try:
|
|
# NOTE(flaper87): Try to get the version from the
|
|
# image-url first. If no version was specified, fallback
|
|
# to the api-image-version arg. If both of these fail then
|
|
# fallback to the minimum supported one and let keystone
|
|
# do the magic.
|
|
endpoint = self._get_image_url(options)
|
|
endpoint, url_version = utils.strip_version(endpoint)
|
|
except ValueError:
|
|
# NOTE(flaper87): ValueError is raised if no endpoint is povided
|
|
url_version = None
|
|
|
|
# build available subcommands based on version
|
|
try:
|
|
api_version = int(options.os_image_api_version or url_version or 2)
|
|
if api_version not in SUPPORTED_VERSIONS:
|
|
raise ValueError
|
|
except ValueError:
|
|
msg = ("Invalid API version parameter. "
|
|
"Supported values are %s" % SUPPORTED_VERSIONS)
|
|
utils.exit(msg=msg)
|
|
|
|
# Handle top-level --help/-h before attempting to parse
|
|
# a command off the command line
|
|
if options.help or not argv:
|
|
self.do_help(options, parser=parser)
|
|
return 0
|
|
|
|
# Short-circuit and deal with help command right away.
|
|
sub_parser = _get_subparser(api_version)
|
|
args = sub_parser.parse_args(argv)
|
|
|
|
if args.func == self.do_help:
|
|
self.do_help(args, parser=sub_parser)
|
|
return 0
|
|
elif args.func == self.do_bash_completion:
|
|
self.do_bash_completion(args)
|
|
return 0
|
|
|
|
if not options.os_image_api_version and api_version == 2:
|
|
switch_version = True
|
|
client = self._get_versioned_client('2', args)
|
|
|
|
resp, body = client.http_client.get('/versions')
|
|
|
|
for version in body['versions']:
|
|
if version['id'].startswith('v2'):
|
|
# NOTE(flaper87): We know v2 is enabled in the server,
|
|
# which means we should be able to get the schemas and
|
|
# move on.
|
|
switch_version = self._cache_schemas(options, client)
|
|
break
|
|
|
|
if switch_version:
|
|
print('WARNING: The client is falling back to v1 because'
|
|
' the accessing to v2 failed. This behavior will'
|
|
' be removed in future versions', file=sys.stderr)
|
|
api_version = 1
|
|
|
|
sub_parser = _get_subparser(api_version)
|
|
|
|
# Parse args again and call whatever callback was selected
|
|
args = sub_parser.parse_args(argv)
|
|
|
|
# NOTE(flaper87): Make sure we re-use the password input if we
|
|
# have one. This may happen if the schemas were downloaded in
|
|
# this same command. Password will be asked to download the
|
|
# schemas and then for the operations below.
|
|
if not args.os_password and options.os_password:
|
|
args.os_password = options.os_password
|
|
|
|
if args.debug:
|
|
# Set up the root logger to debug so that the submodules can
|
|
# print debug messages
|
|
logging.basicConfig(level=logging.DEBUG)
|
|
# for iso8601 < 0.1.11
|
|
logging.getLogger('iso8601').setLevel(logging.WARNING)
|
|
LOG = logging.getLogger('glanceclient')
|
|
LOG.addHandler(logging.StreamHandler())
|
|
LOG.setLevel(logging.DEBUG if args.debug else logging.INFO)
|
|
|
|
profile = osprofiler_profiler and options.profile
|
|
if profile:
|
|
osprofiler_profiler.init(options.profile)
|
|
|
|
client = self._get_versioned_client(api_version, args)
|
|
|
|
try:
|
|
args.func(client, args)
|
|
except exc.Unauthorized:
|
|
raise exc.CommandError("Invalid OpenStack Identity credentials.")
|
|
except Exception:
|
|
# NOTE(kragniz) Print any exceptions raised to stderr if the
|
|
# --debug flag is set
|
|
if args.debug:
|
|
traceback.print_exc()
|
|
raise
|
|
finally:
|
|
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)
|
|
|
|
@utils.arg('command', metavar='<subcommand>', nargs='?',
|
|
help='Display help for <subcommand>.')
|
|
def do_help(self, args, parser):
|
|
"""Display help about this program or one of its subcommands."""
|
|
command = getattr(args, 'command', '')
|
|
|
|
if 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:
|
|
parser.print_help()
|
|
|
|
if not args.os_image_api_version or args.os_image_api_version == '2':
|
|
# NOTE(NiallBunting) This currently assumes that the only versions
|
|
# are one and two.
|
|
try:
|
|
if command is None:
|
|
print("\nRun `glance --os-image-api-version 1 help`"
|
|
" for v1 help")
|
|
else:
|
|
self.get_subcommand_parser(1)
|
|
if command in self.subcommands:
|
|
command = ' ' + command
|
|
print(("\nRun `glance --os-image-api-version 1 help%s`"
|
|
" for v1 help") % (command or ''))
|
|
except ImportError:
|
|
pass
|
|
|
|
def do_bash_completion(self, _args):
|
|
"""Prints arguments for bash_completion.
|
|
|
|
Prints all of the commands and options to stdout so that the
|
|
glance.bash_completion script doesn't have to hard code them.
|
|
"""
|
|
commands = set()
|
|
options = set()
|
|
for sc_str, sc in self.subcommands.items():
|
|
commands.add(sc_str)
|
|
for option in sc._optionals._option_string_actions.keys():
|
|
options.add(option)
|
|
|
|
commands.remove('bash_completion')
|
|
commands.remove('bash-completion')
|
|
print(' '.join(commands | options))
|
|
|
|
|
|
class HelpFormatter(argparse.HelpFormatter):
|
|
def start_section(self, heading):
|
|
# Title-case the headings
|
|
heading = '%s%s' % (heading[0].upper(), heading[1:])
|
|
super(HelpFormatter, self).start_section(heading)
|
|
|
|
|
|
def main():
|
|
try:
|
|
argv = [encodeutils.safe_decode(a) for a in sys.argv[1:]]
|
|
OpenStackImagesShell().main(argv)
|
|
except KeyboardInterrupt:
|
|
utils.exit('... terminating glance client', exit_code=130)
|
|
except Exception as e:
|
|
utils.exit(encodeutils.exception_to_unicode(e))
|