6082ae31ed
Keystone is now deprecating the V2 API in favor of the V3 API. The ceilometer client is now using the keystone session to delegate the discovery of the version that is going to be used, this eliminates the need of updating the client every time there is a new API version. DocImpact blueprint support-keystone-v3-api Change-Id: I6ebacce7adf70f24bdede9b920853ab9851071cf
421 lines
17 KiB
Python
421 lines
17 KiB
Python
# 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 Telemetry 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 logging
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import sys
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import six
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import ceilometerclient
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from ceilometerclient import client as ceiloclient
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from ceilometerclient.common import utils
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from ceilometerclient import exc
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from ceilometerclient.openstack.common import cliutils
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from ceilometerclient.openstack.common import strutils
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class CeilometerShell(object):
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def _append_identity_args(self, parser):
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# FIXME(fabgia): identity related parameters should be passed by the
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# Keystone client itself to avoid constant update in all the services
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# clients. When this fix is merged this method can be made obsolete.
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# Bug: https://bugs.launchpad.net/python-keystoneclient/+bug/1332337
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parser.add_argument('-k', '--insecure',
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default=False,
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action='store_true',
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help="Explicitly allow ceilometerclient to "
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"perform \"insecure\" SSL (https) requests. "
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"The server's certificate will "
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"not be verified against any certificate "
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"authorities. This option should be used with "
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"caution.")
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# User related options
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parser.add_argument('--os-username',
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default=cliutils.env('OS_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-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-password',
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default=cliutils.env('OS_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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# Domain related options
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parser.add_argument('--os-user-domain-id',
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default=cliutils.env('OS_USER_DOMAIN_ID'),
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help='Defaults to env[OS_USER_DOMAIN_ID].')
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parser.add_argument('--os-user-domain-name',
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default=cliutils.env('OS_USER_DOMAIN_NAME'),
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help='Defaults to env[OS_USER_DOMAIN_NAME].')
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parser.add_argument('--os-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-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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# Project V3 or Tenant V2 related options
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parser.add_argument('--os-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-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-tenant-id',
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default=cliutils.env('OS_TENANT_ID'),
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help='This option is mutually exclusive with '
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' --os-project-id. '
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'Defaults to env[OS_PROJECT_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=cliutils.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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# Auth related options
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parser.add_argument('--os-auth-url',
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default=cliutils.env('OS_AUTH_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-auth-token',
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default=cliutils.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-cacert',
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metavar='<ca-certificate-file>',
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dest='os_cacert',
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default=cliutils.env('OS_CACERT'),
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help='Path of CA TLS certificate(s) used to verify'
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'the remote server\'s certificate. Without this '
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'option ceilometer looks for the default system '
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'CA certificates.')
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parser.add_argument('--os-cert',
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help='Path of certificate file to use in SSL '
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'connection. This file can optionally be '
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'prepended with the private key.')
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parser.add_argument('--os-key',
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help='Path of client key to use in SSL '
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'connection. This option is not necessary '
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'if your key is prepended to your cert file.')
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# Service Catalog related options
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parser.add_argument('--os-service-type',
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default=cliutils.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=cliutils.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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parser.add_argument('--os-region-name',
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default=cliutils.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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# Deprecated options
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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('--key-file',
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dest='os_key',
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help='DEPRECATED! Use --os-key.')
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def get_base_parser(self):
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parser = argparse.ArgumentParser(
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prog='ceilometer',
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description=__doc__.strip(),
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epilog='See "ceilometer 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=ceilometerclient.__version__)
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parser.add_argument('-d', '--debug',
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default=bool(cliutils.env('CEILOMETERCLIENT_DEBUG')
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),
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action='store_true',
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help='Defaults to env[CEILOMETERCLIENT_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('--timeout',
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default=600,
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help='Number of seconds to wait for a response.')
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parser.add_argument('--ceilometer-url',
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default=cliutils.env('CEILOMETER_URL'),
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help='Defaults to env[CEILOMETER_URL].')
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parser.add_argument('--ceilometer_url',
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help=argparse.SUPPRESS)
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parser.add_argument('--ceilometer-api-version',
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default=cliutils.env(
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'CEILOMETER_API_VERSION', default='2'),
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help='Defaults to env[CEILOMETER_API_VERSION] '
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'or 2.')
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parser.add_argument('--ceilometer_api_version',
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help=argparse.SUPPRESS)
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# FIXME(fabgia): identity related parameters should be passed by the
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# Keystone client itself.
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self._append_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 _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=HelpFormatter
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)
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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().split('\n')[0]
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arguments = getattr(callback, 'arguments', [])
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subparser = subparsers.add_parser(command, 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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subparser.add_argument('-h', '--help', 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_logging(self, debug):
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format = '%(levelname)s (%(module)s:%(lineno)d) %(message)s'
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if debug:
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logging.basicConfig(format=format, level=logging.DEBUG)
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else:
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logging.basicConfig(format=format, level=logging.WARN)
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def parse_args(self, argv):
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# Parse args once to find version
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parser = self.get_base_parser()
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(options, args) = parser.parse_known_args(argv)
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self._setup_logging(options.debug)
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# build available subcommands based on version
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api_version = options.ceilometer_api_version
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subcommand_parser = self.get_subcommand_parser(api_version)
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self.parser = subcommand_parser
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# Handle top-level --help/-h before attempting to parse
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# a command off the command line
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if options.help or not argv:
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self.do_help(options)
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return 0
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# Return parsed args
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return api_version, subcommand_parser.parse_args(argv)
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def no_project_and_domain_set(self, args):
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if not (args.os_project_id or (args.os_project_name and
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(args.os_user_domain_name or args.os_user_domain_id)) or
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(args.os_tenant_id or args.os_tenant_name)):
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return True
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else:
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return False
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def main(self, argv):
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parsed = self.parse_args(argv)
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if parsed == 0:
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return 0
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api_version, args = parsed
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# Short-circuit and deal with help command right away.
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if args.func == self.do_help:
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self.do_help(args)
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return 0
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elif args.func == self.do_bash_completion:
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self.do_bash_completion(args)
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return 0
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if not (args.os_auth_token and args.ceilometer_url):
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if not args.os_username:
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raise exc.CommandError("You must provide a username via "
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"either --os-username or via "
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"env[OS_USERNAME]")
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if not args.os_password:
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raise exc.CommandError("You must provide a password via "
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"either --os-password or via "
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"env[OS_PASSWORD]")
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if self.no_project_and_domain_set(args):
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# steer users towards Keystone V3 API
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raise exc.CommandError("You must provide a project_id via "
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"either --os-project-id or via "
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"env[OS_PROJECT_ID] and "
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"a domain_name via either "
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"--os-user-domain-name or via "
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"env[OS_USER_DOMAIN_NAME] or "
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"a domain_id via either "
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"--os-user-domain-id or via "
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"env[OS_USER_DOMAIN_ID]")
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if not args.os_auth_url:
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raise exc.CommandError("You must provide an auth url via "
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"either --os-auth-url or via "
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"env[OS_AUTH_URL]")
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client = ceiloclient.get_client(api_version, **(args.__dict__))
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# call whatever callback was selected
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try:
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args.func(client, args)
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except exc.HTTPUnauthorized:
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raise exc.CommandError("Invalid OpenStack Identity credentials.")
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def do_bash_completion(self, args):
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"""Prints all of the commands and options to stdout.
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The ceilometer.bash_completion script doesn't have to hard code them.
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"""
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commands = set()
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options = set()
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for sc_str, sc in self.subcommands.items():
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commands.add(sc_str)
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for option in list(sc._optionals._option_string_actions):
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options.add(option)
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commands.remove('bash-completion')
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commands.remove('bash_completion')
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print(' '.join(commands | options))
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@utils.arg('command', metavar='<subcommand>', nargs='?',
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help='Display help for <subcommand>')
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def do_help(self, args):
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"""Display help about this program or one of its subcommands."""
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if getattr(args, 'command', None):
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if args.command in self.subcommands:
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self.subcommands[args.command].print_help()
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else:
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raise exc.CommandError("'%s' is not a valid subcommand" %
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args.command)
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else:
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self.parser.print_help()
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class HelpFormatter(argparse.HelpFormatter):
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def start_section(self, heading):
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# Title-case the headings
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heading = '%s%s' % (heading[0].upper(), heading[1:])
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super(HelpFormatter, self).start_section(heading)
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def main(args=None):
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try:
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if args is None:
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args = sys.argv[1:]
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CeilometerShell().main(args)
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except Exception as e:
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if '--debug' in args or '-d' in args:
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raise
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else:
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print(strutils.safe_encode(six.text_type(e)), file=sys.stderr)
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sys.exit(1)
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if __name__ == "__main__":
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main()
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