110 lines
3.5 KiB
Python
110 lines
3.5 KiB
Python
# Copyright 2013 Red Hat, 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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Registry's Client V2
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"""
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import os
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from oslo.config import cfg
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from glance.common import exception
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import glance.openstack.common.log as logging
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from glance.registry.client.v2 import client
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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_registry_client = 'glance.registry.client'
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CONF.import_opt('registry_client_protocol', _registry_client)
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CONF.import_opt('registry_client_key_file', _registry_client)
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CONF.import_opt('registry_client_cert_file', _registry_client)
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CONF.import_opt('registry_client_ca_file', _registry_client)
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CONF.import_opt('registry_client_insecure', _registry_client)
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CONF.import_opt('registry_client_timeout', _registry_client)
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CONF.import_opt('use_user_token', _registry_client)
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CONF.import_opt('admin_user', _registry_client)
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CONF.import_opt('admin_password', _registry_client)
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CONF.import_opt('admin_tenant_name', _registry_client)
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CONF.import_opt('auth_url', _registry_client)
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CONF.import_opt('auth_strategy', _registry_client)
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CONF.import_opt('auth_region', _registry_client)
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_CLIENT_CREDS = None
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_CLIENT_HOST = None
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_CLIENT_PORT = None
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_CLIENT_KWARGS = {}
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def configure_registry_client():
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"""
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Sets up a registry client for use in registry lookups
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"""
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global _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
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try:
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host, port = CONF.registry_host, CONF.registry_port
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except cfg.ConfigFileValueError:
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msg = _("Configuration option was not valid")
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LOG.error(msg)
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raise exception.BadRegistryConnectionConfiguration(msg)
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except IndexError:
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msg = _("Could not find required configuration option")
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LOG.error(msg)
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raise exception.BadRegistryConnectionConfiguration(msg)
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_CLIENT_HOST = host
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_CLIENT_PORT = port
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_CLIENT_KWARGS = {
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'use_ssl': CONF.registry_client_protocol.lower() == 'https',
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'key_file': CONF.registry_client_key_file,
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'cert_file': CONF.registry_client_cert_file,
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'ca_file': CONF.registry_client_ca_file,
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'insecure': CONF.registry_client_insecure,
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'timeout': CONF.registry_client_timeout,
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}
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if not CONF.use_user_token:
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configure_registry_admin_creds()
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def configure_registry_admin_creds():
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global _CLIENT_CREDS
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if CONF.auth_url or os.getenv('OS_AUTH_URL'):
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strategy = 'keystone'
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else:
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strategy = CONF.auth_strategy
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_CLIENT_CREDS = {
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'user': CONF.admin_user,
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'password': CONF.admin_password,
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'username': CONF.admin_user,
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'tenant': CONF.admin_tenant_name,
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'auth_url': CONF.auth_url,
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'strategy': strategy,
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'region': CONF.auth_region,
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}
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def get_registry_client(cxt):
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global _CLIENT_CREDS, _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
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kwargs = _CLIENT_KWARGS.copy()
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if CONF.use_user_token:
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kwargs['auth_token'] = cxt.auth_token
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if _CLIENT_CREDS:
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kwargs['creds'] = _CLIENT_CREDS
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return client.RegistryClient(_CLIENT_HOST, _CLIENT_PORT, **kwargs)
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