6fb1a4e496
* move auth option checking back to OpenStackShell() to keep the shell-level interaction at that level; add checking for token flow options * make identity.client.make_client() configure keystoneclient.v2_0.Client() properly for both password flow and token flow auth * eliminated ClientManager.init_token(), set _service_catalog in __init__() * compute client handles token flow Change-Id: I42481b5424489387798c4ec6d3e2a723ab1e6067
219 lines
7.6 KiB
Python
219 lines
7.6 KiB
Python
# Copyright 2011 OpenStack LLC.
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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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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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"""
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Command-line interface to the OpenStack APIs
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"""
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import logging
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import os
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import sys
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from cliff.app import App
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from cliff.commandmanager import CommandManager
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from openstackclient.common import clientmanager
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from openstackclient.common import exceptions as exc
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from openstackclient.common import utils
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VERSION = '0.1'
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def env(*vars, **kwargs):
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"""Search for the first defined of possibly many env vars
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Returns the first environment variable defined in vars, or
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returns the default defined in kwargs.
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"""
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for v in vars:
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value = os.environ.get(v, None)
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if value:
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return value
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return kwargs.get('default', '')
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class OpenStackShell(App):
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CONSOLE_MESSAGE_FORMAT = '%(levelname)s: %(message)s'
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log = logging.getLogger(__name__)
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def __init__(self):
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super(OpenStackShell, self).__init__(
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description=__doc__.strip(),
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version=VERSION,
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command_manager=CommandManager('openstack.cli'),
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)
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# This is instantiated in initialize_app() only when using
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# password flow auth
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self.auth_client = None
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def build_option_parser(self, description, version):
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parser = super(OpenStackShell, self).build_option_parser(
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description,
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version,
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)
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# Global arguments
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parser.add_argument('--os-auth-url', metavar='<auth-url>',
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default=env('OS_AUTH_URL'),
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help='Authentication URL (Env: OS_AUTH_URL)')
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parser.add_argument('--os-tenant-name', metavar='<auth-tenant-name>',
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default=env('OS_TENANT_NAME'),
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help='Authentication tenant name (Env: OS_TENANT_NAME)')
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parser.add_argument('--os-tenant-id', metavar='<auth-tenant-id>',
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default=env('OS_TENANT_ID'),
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help='Authentication tenant ID (Env: OS_TENANT_ID)')
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parser.add_argument('--os-username', metavar='<auth-username>',
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default=utils.env('OS_USERNAME'),
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help='Authentication username (Env: OS_USERNAME)')
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parser.add_argument('--os-password', metavar='<auth-password>',
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default=utils.env('OS_PASSWORD'),
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help='Authentication password (Env: OS_PASSWORD)')
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parser.add_argument('--os-region-name', metavar='<auth-region-name>',
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default=env('OS_REGION_NAME'),
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help='Authentication region name (Env: OS_REGION_NAME)')
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parser.add_argument('--os-identity-api-version',
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metavar='<identity-api-version>',
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default=env('OS_IDENTITY_API_VERSION', default='2.0'),
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help='Identity API version, default=2.0 '\
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'(Env: OS_IDENTITY_API_VERSION)')
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parser.add_argument('--os-compute-api-version',
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metavar='<compute-api-version>',
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default=env('OS_COMPUTE_API_VERSION', default='2'),
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help='Compute API version, default=2 '\
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'(Env: OS_COMPUTE_API_VERSION)')
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parser.add_argument('--os-image-api-version',
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metavar='<image-api-version>',
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default=env('OS_IMAGE_API_VERSION', default='1.0'),
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help='Image API version, default=1.0 '\
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'(Env: OS_IMAGE_API_VERSION)')
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parser.add_argument('--os-token', metavar='<token>',
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default=env('OS_TOKEN'),
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help='Defaults to env[OS_TOKEN]')
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parser.add_argument('--os-url', metavar='<url>',
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default=env('OS_URL'),
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help='Defaults to env[OS_URL]')
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return parser
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def initialize_app(self):
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"""Global app init bits:
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* set up API versions
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* validate authentication info
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* authenticate against Identity if requested
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"""
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super(OpenStackShell, self).initialize_app()
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# stash selected API versions for later
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# TODO(dtroyer): how do extenstions add their version requirements?
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self.api_version = {
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'compute': self.options.os_compute_api_version,
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'identity': self.options.os_identity_api_version,
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'image': self.options.os_image_api_version,
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}
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self.log.debug('validating authentication options')
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if self.options.os_token or self.options.os_url:
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# Token flow auth takes priority
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if not self.options.os_token:
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raise exc.CommandError(
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"You must provide a token via"
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" either --os-token or env[OS_TOKEN]")
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if not self.options.os_url:
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raise exc.CommandError(
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"You must provide a service URL via"
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" either --os-url or env[OS_URL]")
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else:
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# Validate password flow auth
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if not self.options.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 env[OS_USERNAME]")
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if not self.options.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 or env[OS_PASSWORD]")
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if not (self.options.os_tenant_id or self.options.os_tenant_name):
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raise exc.CommandError(
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"You must provide a tenant_id via"
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" either --os-tenant-id or via env[OS_TENANT_ID]")
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if not self.options.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 via env[OS_AUTH_URL]")
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self.client_manager = clientmanager.ClientManager(
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token=self.options.os_token,
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url=self.options.os_url,
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auth_url=self.options.os_auth_url,
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tenant_name=self.options.os_tenant_name,
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tenant_id=self.options.os_tenant_id,
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username=self.options.os_username,
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password=self.options.os_password,
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region_name=self.options.os_region_name,
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identity_api_version=self.options.os_identity_api_version,
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compute_api_version=self.options.os_compute_api_version,
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image_api_version=self.options.os_image_api_version,
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)
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self.log.debug("API: Identity=%s Compute=%s Image=%s" % (
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self.api_version['identity'],
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self.api_version['compute'],
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self.api_version['image'])
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)
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def prepare_to_run_command(self, cmd):
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"""Set up auth and API versions"""
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self.log.debug('prepare_to_run_command %s', cmd.__class__.__name__)
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self.log.debug("api: %s" % cmd.api if hasattr(cmd, 'api') else None)
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return
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def clean_up(self, cmd, result, err):
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self.log.debug('clean_up %s', cmd.__class__.__name__)
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if err:
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self.log.debug('got an error: %s', err)
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def main(argv=sys.argv[1:]):
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return OpenStackShell().run(argv)
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if __name__ == "__main__":
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sys.exit(main(sys.argv[1:]))
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