df71486c2c
A recent change[1] for the clients to use session has broken heat multi region support. This change fixes it. [1] https://review.openstack.org/#/c/325752/ Change-Id: I19633292614850a696e958963025d3ac00f26c3c Closes-Bug: #1630590
206 lines
6.9 KiB
Python
206 lines
6.9 KiB
Python
#
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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 cinderclient import client as cc
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from cinderclient import exceptions
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from keystoneauth1 import exceptions as ks_exceptions
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from oslo_log import log as logging
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from heat.common import exception
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from heat.common.i18n import _
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from heat.common.i18n import _LI
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from heat.engine.clients import client_plugin
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from heat.engine.clients import os as os_client
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from heat.engine import constraints
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LOG = logging.getLogger(__name__)
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CLIENT_NAME = 'cinder'
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class CinderClientPlugin(client_plugin.ClientPlugin):
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exceptions_module = exceptions
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service_types = [VOLUME_V2, VOLUME_V3] = ['volumev2', 'volumev3']
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def get_volume_api_version(self):
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'''Returns the most recent API version.'''
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self.interface = self._get_client_option(CLIENT_NAME, 'endpoint_type')
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try:
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self.context.keystone_session.get_endpoint(
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service_type=self.VOLUME_V3,
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interface=self.interface)
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self.service_type = self.VOLUME_V3
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self.client_version = '3'
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except ks_exceptions.EndpointNotFound:
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try:
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self.context.keystone_session.get_endpoint(
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service_type=self.VOLUME_V2,
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interface=self.interface)
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self.service_type = self.VOLUME_V2
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self.client_version = '2'
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except ks_exceptions.EndpointNotFound:
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raise exception.Error(_('No volume service available.'))
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def _create(self):
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self.get_volume_api_version()
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extensions = cc.discover_extensions(self.client_version)
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args = {
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'session': self.context.keystone_session,
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'extensions': extensions,
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'interface': self.interface,
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'service_type': self.service_type,
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'region_name': self._get_region_name(),
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'http_log_debug': self._get_client_option(CLIENT_NAME,
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'http_log_debug')
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}
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client = cc.Client(self.client_version, **args)
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return client
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@os_client.MEMOIZE_EXTENSIONS
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def _list_extensions(self):
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extensions = self.client().list_extensions.show_all()
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return set(extension.alias for extension in extensions)
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def has_extension(self, alias):
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"""Check if specific extension is present."""
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return alias in self._list_extensions()
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def get_volume(self, volume):
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try:
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return self.client().volumes.get(volume)
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except exceptions.NotFound:
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raise exception.EntityNotFound(entity='Volume', name=volume)
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def get_volume_snapshot(self, snapshot):
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try:
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return self.client().volume_snapshots.get(snapshot)
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except exceptions.NotFound:
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raise exception.EntityNotFound(entity='VolumeSnapshot',
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name=snapshot)
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def get_volume_backup(self, backup):
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try:
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return self.client().backups.get(backup)
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except exceptions.NotFound:
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raise exception.EntityNotFound(entity='Volume backup',
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name=backup)
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def get_volume_type(self, volume_type):
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vt_id = None
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volume_type_list = self.client().volume_types.list()
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for vt in volume_type_list:
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if volume_type in [vt.name, vt.id]:
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vt_id = vt.id
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break
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if vt_id is None:
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raise exception.EntityNotFound(entity='VolumeType',
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name=volume_type)
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return vt_id
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def get_qos_specs(self, qos_specs):
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try:
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qos = self.client().qos_specs.get(qos_specs)
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except exceptions.NotFound:
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qos = self.client().qos_specs.find(name=qos_specs)
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return qos.id
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def is_not_found(self, ex):
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return isinstance(ex, exceptions.NotFound)
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def is_over_limit(self, ex):
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return isinstance(ex, exceptions.OverLimit)
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def is_conflict(self, ex):
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return (isinstance(ex, exceptions.ClientException) and
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ex.code == 409)
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def check_detach_volume_complete(self, vol_id):
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try:
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vol = self.client().volumes.get(vol_id)
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except Exception as ex:
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self.ignore_not_found(ex)
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return True
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if vol.status in ('in-use', 'detaching'):
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LOG.debug('%s - volume still in use' % vol_id)
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return False
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LOG.debug('Volume %(id)s - status: %(status)s' % {
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'id': vol.id, 'status': vol.status})
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if vol.status not in ('available', 'deleting'):
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LOG.debug("Detachment failed - volume %(vol)s "
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"is in %(status)s status" % {"vol": vol.id,
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"status": vol.status})
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raise exception.ResourceUnknownStatus(
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resource_status=vol.status,
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result=_('Volume detachment failed'))
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else:
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return True
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def check_attach_volume_complete(self, vol_id):
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vol = self.client().volumes.get(vol_id)
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if vol.status in ('available', 'attaching'):
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LOG.debug("Volume %(id)s is being attached - "
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"volume status: %(status)s" % {'id': vol_id,
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'status': vol.status})
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return False
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if vol.status != 'in-use':
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LOG.debug("Attachment failed - volume %(vol)s is "
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"in %(status)s status" % {"vol": vol_id,
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"status": vol.status})
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raise exception.ResourceUnknownStatus(
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resource_status=vol.status,
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result=_('Volume attachment failed'))
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LOG.info(_LI('Attaching volume %(id)s complete'), {'id': vol_id})
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return True
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class BaseCinderConstraint(constraints.BaseCustomConstraint):
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resource_client_name = CLIENT_NAME
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class VolumeConstraint(BaseCinderConstraint):
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resource_getter_name = 'get_volume'
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class VolumeSnapshotConstraint(BaseCinderConstraint):
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resource_getter_name = 'get_volume_snapshot'
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class VolumeTypeConstraint(BaseCinderConstraint):
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resource_getter_name = 'get_volume_type'
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class VolumeBackupConstraint(BaseCinderConstraint):
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resource_getter_name = 'get_volume_backup'
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class QoSSpecsConstraint(BaseCinderConstraint):
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expected_exceptions = (exceptions.NotFound,)
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resource_getter_name = 'get_qos_specs'
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