ba046b2a14
Trove now supports to resize volume without downtime. To use this feature, the version of Nova and Cinder needs to be at least Pike, the config option ``cinder_service_type`` needs to be set to ``volumev3``. The cloud admin can disable this feature by setting ``online_volume_resize=False``, default is enabled. Change-Id: I000a4e90800454972dd39f2f82d286571bc0b96c
171 lines
5.8 KiB
Python
171 lines
5.8 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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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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from cinderclient import client as CinderClient
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import glanceclient
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from keystoneauth1 import loading
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from keystoneauth1 import session
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from neutronclient.v2_0 import client as NeutronClient
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from novaclient.client import Client as NovaClient
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from oslo_log import log as logging
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import swiftclient
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from trove.common import cfg
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from trove.common.clients import normalize_url
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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_SESSION = None
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ADMIN_NEUTRON_CLIENT = None
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ADMIN_NOVA_CLIENT = None
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ADMIN_CINDER_CLIENT = None
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def get_keystone_session():
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"""Get trove service credential auth session."""
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global _SESSION
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if not _SESSION:
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loader = loading.get_plugin_loader('password')
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auth = loader.load_from_options(
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username=CONF.service_credentials.username,
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password=CONF.service_credentials.password,
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project_name=CONF.service_credentials.project_name,
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user_domain_name=CONF.service_credentials.user_domain_name,
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project_domain_name=CONF.service_credentials.project_domain_name,
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auth_url=CONF.service_credentials.auth_url)
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_SESSION = session.Session(auth=auth)
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return _SESSION
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def nova_client_trove_admin(context, region_name=None, password=None):
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"""
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Returns a nova client object with the trove admin credentials
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:param context: original context from user request
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:type context: trove.common.context.TroveContext
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:return novaclient: novaclient with trove admin credentials
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:rtype: novaclient.client.Client
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"""
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global ADMIN_NOVA_CLIENT
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if ADMIN_NOVA_CLIENT:
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LOG.debug('Re-use admin nova client')
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return ADMIN_NOVA_CLIENT
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ks_session = get_keystone_session()
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ADMIN_NOVA_CLIENT = NovaClient(
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CONF.nova_client_version,
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session=ks_session,
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service_type=CONF.nova_compute_service_type,
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region_name=region_name or CONF.service_credentials.region_name,
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insecure=CONF.nova_api_insecure,
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endpoint_type=CONF.nova_compute_endpoint_type)
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if CONF.nova_compute_url and CONF.service_credentials.project_id:
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ADMIN_NOVA_CLIENT.client.endpoint_override = "%s/%s/" % (
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normalize_url(CONF.nova_compute_url),
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CONF.service_credentials.project_id)
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return ADMIN_NOVA_CLIENT
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def cinder_client_trove_admin(context, region_name=None):
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"""
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Returns a cinder client object with the trove admin credentials
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:param context: original context from user request
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:type context: trove.common.context.TroveContext
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:return cinderclient: cinderclient with trove admin credentials
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"""
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global ADMIN_CINDER_CLIENT
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if ADMIN_CINDER_CLIENT:
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LOG.debug('Re-use admin cinder client')
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return ADMIN_CINDER_CLIENT
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version = CONF.cinder_service_type.split('v')[-1] or '3'
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ks_session = get_keystone_session()
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ADMIN_CINDER_CLIENT = CinderClient.Client(
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version,
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session=ks_session,
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service_type=CONF.cinder_service_type,
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region_name=region_name or CONF.service_credentials.region_name,
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insecure=CONF.cinder_api_insecure,
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endpoint_type=CONF.cinder_endpoint_type,
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additional_headers={'OpenStack-API-Version': 'volumev3 latest'})
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if CONF.cinder_url and CONF.service_credentials.project_id:
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ADMIN_CINDER_CLIENT.client.management_url = "%s/%s/" % (
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normalize_url(CONF.cinder_url),
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CONF.service_credentials.project_id)
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return ADMIN_CINDER_CLIENT
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def neutron_client_trove_admin(context, region_name=None):
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"""
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Returns a neutron client object with the trove admin credentials
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:param context: original context from user request
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:type context: trove.common.context.TroveContext
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:return neutronclient: neutronclient with trove admin credentials
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"""
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global ADMIN_NEUTRON_CLIENT
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if ADMIN_NEUTRON_CLIENT:
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LOG.debug('Re-use admin neutron client')
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return ADMIN_NEUTRON_CLIENT
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ks_session = get_keystone_session()
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ADMIN_NEUTRON_CLIENT = NeutronClient.Client(
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session=ks_session,
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service_type=CONF.neutron_service_type,
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region_name=region_name or CONF.service_credentials.region_name,
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insecure=CONF.neutron_api_insecure,
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endpoint_type=CONF.neutron_endpoint_type)
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if CONF.neutron_url:
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ADMIN_NEUTRON_CLIENT.management_url = CONF.neutron_url
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return ADMIN_NEUTRON_CLIENT
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def swift_client_trove_admin(context, region_name=None):
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ks_session = get_keystone_session()
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client = swiftclient.Connection(
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session=ks_session,
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insecure=CONF.swift_api_insecure,
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os_options={
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'region_name': region_name or CONF.service_credentials.region_name,
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'service_type': CONF.swift_service_type,
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'endpoint_type': CONF.swift_endpoint_type
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}
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)
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return client
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def glance_client_trove_admin(context, region_name=None):
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ks_session = get_keystone_session()
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client = glanceclient.Client(
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version=CONF.glance_client_version,
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session=ks_session,
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region_name=region_name or CONF.service_credentials.region_name,
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service_type=CONF.glance_service_type,
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interface=CONF.glance_endpoint_type
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)
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return client
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