137 lines
4.8 KiB
Python
137 lines
4.8 KiB
Python
#
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# Copyright 2015 eNovance <licensing@enovance.com>
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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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import os
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from heatclient import client as heatclient
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from keystoneauth1 import exceptions as ka_exception
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from keystoneauth1.identity.generic import password
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from keystoneauth1 import loading as ka_loading
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from keystoneclient.v3 import client as ks_client_v3
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from oslo_config import cfg
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CFG_GROUP = "service_credentials"
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def get_session(conf):
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"""Get an aodh service credentials auth session."""
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auth_plugin = ka_loading.load_auth_from_conf_options(conf, CFG_GROUP)
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return ka_loading.load_session_from_conf_options(
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conf, CFG_GROUP, auth=auth_plugin
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)
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def get_client(conf):
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"""Return a client for keystone v3 endpoint."""
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sess = get_session(conf)
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return ks_client_v3.Client(session=sess)
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def get_trusted_client(conf, trust_id):
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# Ideally we would use load_session_from_conf_options, but we can't do that
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# *and* specify a trust, so let's create the object manually.
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auth_plugin = password.Password(
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username=conf[CFG_GROUP].username,
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password=conf[CFG_GROUP].password,
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auth_url=conf[CFG_GROUP].auth_url,
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user_domain_id=conf[CFG_GROUP].user_domain_id,
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user_domain_name=conf[CFG_GROUP].user_domain_name,
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trust_id=trust_id)
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sess = ka_loading.load_session_from_conf_options(conf, CFG_GROUP,
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auth=auth_plugin)
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return ks_client_v3.Client(session=sess)
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def get_auth_token(client):
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return client.session.auth.get_access(client.session).auth_token
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def get_client_on_behalf_user(conf, auth_plugin):
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"""Return a client for keystone v3 endpoint."""
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sess = ka_loading.load_session_from_conf_options(conf, CFG_GROUP,
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auth=auth_plugin)
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return ks_client_v3.Client(session=sess)
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def create_trust_id(conf, trustor_user_id, trustor_project_id, roles,
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auth_plugin):
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"""Create a new trust using the aodh service user."""
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admin_client = get_client(conf)
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trustee_user_id = admin_client.session.get_user_id()
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client = get_client_on_behalf_user(conf, auth_plugin)
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trust = client.trusts.create(trustor_user=trustor_user_id,
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trustee_user=trustee_user_id,
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project=trustor_project_id,
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impersonation=True,
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role_names=roles)
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return trust.id
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def delete_trust_id(conf, trust_id, auth_plugin):
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"""Delete a trust previously setup for the aodh user."""
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client = get_client_on_behalf_user(conf, auth_plugin)
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try:
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client.trusts.delete(trust_id)
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except ka_exception.NotFound:
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pass
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def url_for(conf, **kwargs):
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sess = get_session(conf)
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return sess.get_endpoint(**kwargs)
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def get_heat_client_from_trust(conf, trust_id):
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ks_client = get_trusted_client(conf, trust_id)
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sess = ks_client.session
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endpoint = sess.get_endpoint(
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service_type='orchestration',
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interface=conf.service_credentials.interface,
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region_name=conf.service_credentials.region_name
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)
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return heatclient.Client("1", endpoint=endpoint, session=sess)
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OPTS = [
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cfg.StrOpt('region-name',
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default=os.environ.get('OS_REGION_NAME'),
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deprecated_name="os-region-name",
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help='Region name to use for OpenStack service endpoints.'),
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cfg.StrOpt('interface',
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default=os.environ.get(
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'OS_INTERFACE', os.environ.get('OS_ENDPOINT_TYPE',
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'public')),
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deprecated_name="os-endpoint-type",
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choices=('public', 'internal', 'admin', 'auth', 'publicURL',
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'internalURL', 'adminURL'),
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help='Type of endpoint in Identity service catalog to use for '
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'communication with OpenStack services.'),
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]
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def register_keystoneauth_opts(conf):
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ka_loading.register_auth_conf_options(conf, CFG_GROUP)
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ka_loading.register_session_conf_options(
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conf, CFG_GROUP,
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deprecated_opts={'cacert': [
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cfg.DeprecatedOpt('os-cacert', group=CFG_GROUP),
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cfg.DeprecatedOpt('os-cacert', group="DEFAULT")]
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})
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