8ebc898924
It implements one of the algorithm of Intel thermal POC. It extends the BaseStrategy class, getting the Outlet metrics of servers via Ceilometer, and generates solutions when the outlet Temperature is greater than threshold. current threshold is hard-coded, will make it configurable in the next patches. Implements: blueprint outlet-temperature-based-strategy Change-Id: I248147329d34eddf408652205a077895be572010 Co-Authored-By: Zhenzan Zhou <zhenzan.zhou@intel.com>
132 lines
4.8 KiB
Python
132 lines
4.8 KiB
Python
# -*- encoding: utf-8 -*-
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# Copyright (c) 2015 b<>com
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#
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# Authors: Jean-Emile DARTOIS <jean-emile.dartois@b-com.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from keystoneclient.auth.identity import generic
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from keystoneclient import session as keystone_session
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from oslo_config import cfg
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from oslo_log import log
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from six.moves.urllib.parse import urljoin
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from six.moves.urllib.parse import urlparse
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from watcher._i18n import _
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from watcher.common import exception
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LOG = log.getLogger(__name__)
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CONF = cfg.CONF
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CONF.import_opt('admin_user', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('admin_tenant_name', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('admin_password', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('auth_uri', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('auth_version', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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CONF.import_opt('insecure', 'keystonemiddleware.auth_token',
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group='keystone_authtoken')
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class KeystoneClient(object):
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def __init__(self):
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self._ks_client = None
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self._session = None
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self._auth = None
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self._token = None
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def get_endpoint(self, **kwargs):
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kc = self.get_ksclient()
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if not kc.has_service_catalog():
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raise exception.KeystoneFailure(
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_('No Keystone service catalog loaded')
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)
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attr = None
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filter_value = None
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if kwargs.get('region_name'):
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attr = 'region'
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filter_value = kwargs.get('region_name')
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return kc.service_catalog.url_for(
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service_type=kwargs.get('service_type') or 'metering',
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attr=attr,
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filter_value=filter_value,
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endpoint_type=kwargs.get('endpoint_type') or 'publicURL')
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def _is_apiv3(self, auth_url, auth_version):
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return auth_version == 'v3.0' or '/v3' in urlparse(auth_url).path
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def get_keystone_url(self, auth_url, auth_version):
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"""Gives an http/https url to contact keystone."""
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api_v3 = self._is_apiv3(auth_url, auth_version)
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api_version = 'v3' if api_v3 else 'v2.0'
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# NOTE(lucasagomes): Get rid of the trailing '/' otherwise urljoin()
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# fails to override the version in the URL
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return urljoin(auth_url.rstrip('/'), api_version)
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def get_ksclient(self, creds=None):
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"""Get an endpoint and auth token from Keystone."""
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auth_version = CONF.keystone_authtoken.auth_version
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auth_url = CONF.keystone_authtoken.auth_uri
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api_v3 = self._is_apiv3(auth_url, auth_version)
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if creds is None:
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ks_args = self._get_credentials(api_v3)
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else:
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ks_args = creds
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if api_v3:
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from keystoneclient.v3 import client
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else:
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from keystoneclient.v2_0 import client
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# generic
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# ksclient = client.Client(version=api_version,
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# session=session,**ks_args)
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return client.Client(**ks_args)
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def _get_credentials(self, api_v3):
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if api_v3:
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creds = \
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{'auth_url': CONF.keystone_authtoken.auth_uri,
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'username': CONF.keystone_authtoken.admin_user,
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'password': CONF.keystone_authtoken.admin_password,
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'project_name': CONF.keystone_authtoken.admin_tenant_name,
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'user_domain_name': "default",
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'project_domain_name': "default"}
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else:
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creds = \
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{'auth_url': CONF.keystone_authtoken.auth_uri,
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'username': CONF.keystone_authtoken.admin_user,
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'password': CONF.keystone_authtoken.admin_password,
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'tenant_name': CONF.keystone_authtoken.admin_tenant_name}
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LOG.debug(creds)
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return creds
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def get_credentials(self):
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api_v3 = self._is_apiv3(CONF.keystone_authtoken.auth_uri,
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CONF.keystone_authtoken.auth_version)
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return self._get_credentials(api_v3)
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def get_session(self):
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creds = self.get_credentials()
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self._auth = generic.Password(**creds)
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session = keystone_session.Session(auth=self._auth)
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return session
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