96 lines
3.7 KiB
Python
96 lines
3.7 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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from keystoneclient import discover as ks_discover
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from keystoneclient import exceptions as ks_exception
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from keystoneclient import session as ks_session
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from keystoneclient.v2_0 import client as ks_client
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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.CONF.import_group('service_credentials', 'ceilometer.service')
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cfg.CONF.import_opt('http_timeout', 'ceilometer.service')
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def get_client():
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return ks_client.Client(
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username=cfg.CONF.service_credentials.os_username,
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password=cfg.CONF.service_credentials.os_password,
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tenant_id=cfg.CONF.service_credentials.os_tenant_id,
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tenant_name=cfg.CONF.service_credentials.os_tenant_name,
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cacert=cfg.CONF.service_credentials.os_cacert,
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auth_url=cfg.CONF.service_credentials.os_auth_url,
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region_name=cfg.CONF.service_credentials.os_region_name,
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insecure=cfg.CONF.service_credentials.insecure,
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timeout=cfg.CONF.http_timeout,)
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def get_v3_client(trust_id=None):
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"""Return a client for keystone v3 endpoint, optionally using a trust."""
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auth_url = cfg.CONF.service_credentials.os_auth_url
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try:
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auth_url_noneversion = auth_url.replace('/v2.0', '/')
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discover = ks_discover.Discover(auth_url=auth_url_noneversion)
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v3_auth_url = discover.url_for('3.0')
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if v3_auth_url:
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auth_url = v3_auth_url
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else:
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auth_url = auth_url
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except Exception:
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auth_url = auth_url.replace('/v2.0', '/v3')
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return ks_client_v3.Client(
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username=cfg.CONF.service_credentials.os_username,
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password=cfg.CONF.service_credentials.os_password,
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cacert=cfg.CONF.service_credentials.os_cacert,
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auth_url=auth_url,
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region_name=cfg.CONF.service_credentials.os_region_name,
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insecure=cfg.CONF.service_credentials.insecure,
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timeout=cfg.CONF.http_timeout,
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trust_id=trust_id)
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def create_trust_id(trustor_user_id, trustor_project_id, roles, auth_plugin):
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"""Create a new trust using the ceilometer service user."""
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admin_client = get_v3_client()
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trustee_user_id = admin_client.auth_ref.user_id
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session = ks_session.Session.construct({
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'cacert': cfg.CONF.service_credentials.os_cacert,
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'insecure': cfg.CONF.service_credentials.insecure})
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client = ks_client_v3.Client(session=session, auth=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(trust_id, auth_plugin):
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"""Delete a trust previously setup for the ceilometer user."""
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session = ks_session.Session.construct({
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'cacert': cfg.CONF.service_credentials.os_cacert,
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'insecure': cfg.CONF.service_credentials.insecure})
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client = ks_client_v3.Client(session=session, auth=auth_plugin)
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try:
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client.trusts.delete(trust_id)
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except ks_exception.NotFound:
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pass
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