0885397d10
Initial PoC source code for Tricircle, the project for OpenStack cascading solution. Change-Id: I8abc93839a26446cb61c8d9004dfd812bd91de6e
125 lines
4.4 KiB
Python
125 lines
4.4 KiB
Python
# Copyright (c) 2014 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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# @author: Jia Dong, HuaWei
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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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from glance.openstack.common import jsonutils
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import glance.openstack.common.log as logging
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from glance.sync.client.v1 import client
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CONF = cfg.CONF
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CONF.import_opt('sync_server_host', 'glance.common.config')
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CONF.import_opt('sync_server_port', 'glance.common.config')
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sync_client_ctx_opts = [
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cfg.BoolOpt('sync_send_identity_headers', default=False,
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help=_("Whether to pass through headers containing user "
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"and tenant information when making requests to "
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"the sync. This allows the sync to use the "
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"context middleware without the keystoneclients' "
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"auth_token middleware, removing calls to the keystone "
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"auth service. It is recommended that when using this "
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"option, secure communication between glance api and "
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"glance sync is ensured by means other than "
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"auth_token middleware.")),
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]
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CONF.register_opts(sync_client_ctx_opts)
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_sync_client = 'glance.sync.client'
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CONF.import_opt('sync_client_protocol', _sync_client)
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CONF.import_opt('sync_client_key_file', _sync_client)
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CONF.import_opt('sync_client_cert_file', _sync_client)
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CONF.import_opt('sync_client_ca_file', _sync_client)
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CONF.import_opt('sync_client_insecure', _sync_client)
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CONF.import_opt('sync_client_timeout', _sync_client)
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CONF.import_opt('sync_use_user_token', _sync_client)
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CONF.import_opt('sync_admin_user', _sync_client)
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CONF.import_opt('sync_admin_password', _sync_client)
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CONF.import_opt('sync_admin_tenant_name', _sync_client)
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CONF.import_opt('sync_auth_url', _sync_client)
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CONF.import_opt('sync_auth_strategy', _sync_client)
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CONF.import_opt('sync_auth_region', _sync_client)
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CONF.import_opt('metadata_encryption_key', 'glance.common.config')
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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 get_sync_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.sync_use_user_token:
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kwargs['auth_tok'] = cxt.auth_tok
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if _CLIENT_CREDS:
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kwargs['creds'] = _CLIENT_CREDS
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if CONF.sync_send_identity_headers:
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identity_headers = {
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'X-User-Id': cxt.user,
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'X-Tenant-Id': cxt.tenant,
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'X-Roles': ','.join(cxt.roles),
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'X-Identity-Status': 'Confirmed',
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'X-Service-Catalog': jsonutils.dumps(cxt.service_catalog),
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}
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kwargs['identity_headers'] = identity_headers
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return client.SyncClient(_CLIENT_HOST, _CLIENT_PORT, **kwargs)
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def configure_sync_client():
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global _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
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host, port = CONF.sync_server_host, CONF.sync_server_port
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_CLIENT_HOST = host
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_CLIENT_PORT = port
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_METADATA_ENCRYPTION_KEY = CONF.metadata_encryption_key
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_CLIENT_KWARGS = {
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'use_ssl': CONF.sync_client_protocol.lower() == 'https',
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'key_file': CONF.sync_client_key_file,
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'cert_file': CONF.sync_client_cert_file,
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'ca_file': CONF.sync_client_ca_file,
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'insecure': CONF.sync_client_insecure,
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'timeout': CONF.sync_client_timeout,
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}
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if not CONF.sync_use_user_token:
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configure_sync_admin_creds()
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def configure_sync_admin_creds():
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global _CLIENT_CREDS
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if CONF.sync_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.sync_auth_strategy
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_CLIENT_CREDS = {
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'user': CONF.sync_admin_user,
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'password': CONF.sync_admin_password,
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'username': CONF.sync_admin_user,
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'tenant': CONF.sync_admin_tenant_name,
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'auth_url': CONF.sync_auth_url,
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'strategy': strategy,
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'region': CONF.sync_auth_region,
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}
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