141 lines
4.9 KiB
Python
141 lines
4.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2013 Red Hat, Inc
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""
|
|
Registry's Client V2
|
|
"""
|
|
|
|
import os
|
|
|
|
from oslo.config import cfg
|
|
|
|
from glance.common import exception
|
|
import glance.openstack.common.log as logging
|
|
from glance.registry.client.v2 import client
|
|
|
|
LOG = logging.getLogger(__name__)
|
|
|
|
registry_client_opts = [
|
|
cfg.StrOpt('registry_client_protocol', default='http',
|
|
help=_('The protocol to use for communication with the '
|
|
'registry server. Either http or https.')),
|
|
cfg.StrOpt('registry_client_key_file',
|
|
help=_('The path to the key file to use in SSL connections '
|
|
'to the registry server.')),
|
|
cfg.StrOpt('registry_client_cert_file',
|
|
help=_('The path to the cert file to use in SSL connections '
|
|
'to the registry server.')),
|
|
cfg.StrOpt('registry_client_ca_file',
|
|
help=_('The path to the certifying authority cert file to '
|
|
'use in SSL connections to the registry server.')),
|
|
cfg.BoolOpt('registry_client_insecure', default=False,
|
|
help=_('When using SSL in connections to the registry server, '
|
|
'do not require validation via a certifying '
|
|
'authority.')),
|
|
cfg.IntOpt('registry_client_timeout', default=600,
|
|
help=_('The period of time, in seconds, that the API server '
|
|
'will wait for a registry request to complete. A '
|
|
'value of 0 implies no timeout.')),
|
|
]
|
|
|
|
registry_client_ctx_opts = [
|
|
cfg.BoolOpt('use_user_token', default=True,
|
|
help=_('Whether to pass through the user token when '
|
|
'making requests to the registry.')),
|
|
cfg.StrOpt('admin_user', secret=True,
|
|
help=_('The administrators user name.')),
|
|
cfg.StrOpt('admin_password', secret=True,
|
|
help=_('The administrators password.')),
|
|
cfg.StrOpt('admin_tenant_name', secret=True,
|
|
help=_('The tenant name of the adminstrative user.')),
|
|
cfg.StrOpt('auth_url',
|
|
help=_('The URL to the keystone service.')),
|
|
cfg.StrOpt('auth_strategy', default='noauth',
|
|
help=_('The strategy to use for authentication.')),
|
|
cfg.StrOpt('auth_region',
|
|
help=_('The region for the authentication service.')),
|
|
]
|
|
|
|
CONF = cfg.CONF
|
|
CONF.register_opts(registry_client_opts)
|
|
CONF.register_opts(registry_client_ctx_opts)
|
|
|
|
_CLIENT_CREDS = None
|
|
_CLIENT_HOST = None
|
|
_CLIENT_PORT = None
|
|
_CLIENT_KWARGS = {}
|
|
|
|
|
|
def configure_registry_client():
|
|
"""
|
|
Sets up a registry client for use in registry lookups
|
|
"""
|
|
global _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
|
|
try:
|
|
host, port = CONF.registry_host, CONF.registry_port
|
|
except cfg.ConfigFileValueError:
|
|
msg = _("Configuration option was not valid")
|
|
LOG.error(msg)
|
|
raise exception.BadRegistryConnectionConfiguration(msg)
|
|
except IndexError:
|
|
msg = _("Could not find required configuration option")
|
|
LOG.error(msg)
|
|
raise exception.BadRegistryConnectionConfiguration(msg)
|
|
|
|
_CLIENT_HOST = host
|
|
_CLIENT_PORT = port
|
|
_CLIENT_KWARGS = {
|
|
'use_ssl': CONF.registry_client_protocol.lower() == 'https',
|
|
'key_file': CONF.registry_client_key_file,
|
|
'cert_file': CONF.registry_client_cert_file,
|
|
'ca_file': CONF.registry_client_ca_file,
|
|
'insecure': CONF.registry_client_insecure,
|
|
'timeout': CONF.registry_client_timeout,
|
|
}
|
|
|
|
if not CONF.use_user_token:
|
|
configure_registry_admin_creds()
|
|
|
|
|
|
def configure_registry_admin_creds():
|
|
global _CLIENT_CREDS
|
|
|
|
if CONF.auth_url or os.getenv('OS_AUTH_URL'):
|
|
strategy = 'keystone'
|
|
else:
|
|
strategy = CONF.auth_strategy
|
|
|
|
_CLIENT_CREDS = {
|
|
'user': CONF.admin_user,
|
|
'password': CONF.admin_password,
|
|
'username': CONF.admin_user,
|
|
'tenant': CONF.admin_tenant_name,
|
|
'auth_url': CONF.auth_url,
|
|
'strategy': strategy,
|
|
'region': CONF.auth_region,
|
|
}
|
|
|
|
|
|
def get_registry_client(cxt):
|
|
global _CLIENT_CREDS, _CLIENT_KWARGS, _CLIENT_HOST, _CLIENT_PORT
|
|
kwargs = _CLIENT_KWARGS.copy()
|
|
if CONF.use_user_token:
|
|
kwargs['auth_tok'] = cxt.auth_tok
|
|
if _CLIENT_CREDS:
|
|
kwargs['creds'] = _CLIENT_CREDS
|
|
return client.RegistryClient(_CLIENT_HOST, _CLIENT_PORT, **kwargs)
|