593 lines
26 KiB
Python
593 lines
26 KiB
Python
# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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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 oslo_log import log as logging
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from oslo_utils import strutils
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from trove.backup.models import Backup as backup_model
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from trove.backup import views as backup_views
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import trove.common.apischema as apischema
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from trove.common import cfg
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from trove.common import exception
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from trove.common.i18n import _
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from trove.common import notification
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from trove.common.notification import StartNotification
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from trove.common import pagination
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from trove.common import policy
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from trove.common.remote import create_guest_client
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from trove.common import utils
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from trove.common import wsgi
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from trove.datastore import models as datastore_models
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from trove.extensions.mysql.common import populate_users
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from trove.extensions.mysql.common import populate_validated_databases
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from trove.instance import models, views
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from trove.module import models as module_models
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from trove.module import views as module_views
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CONF = cfg.CONF
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LOG = logging.getLogger(__name__)
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class InstanceController(wsgi.Controller):
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"""Controller for instance functionality."""
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schemas = apischema.instance.copy()
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@classmethod
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def authorize_instance_action(cls, context, instance_rule_name, instance):
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policy.authorize_on_target(context, 'instance:%s' % instance_rule_name,
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{'tenant': instance.tenant_id})
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@classmethod
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def get_action_schema(cls, body, action_schema):
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action_type = list(body.keys())[0]
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action_schema = action_schema.get(action_type, {})
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if action_type == 'resize':
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# volume or flavorRef
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resize_action = list(body[action_type].keys())[0]
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action_schema = action_schema.get(resize_action, {})
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return action_schema
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@classmethod
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def get_schema(cls, action, body):
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action_schema = super(InstanceController, cls).get_schema(action, body)
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if action == 'action':
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# resize or restart
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action_schema = cls.get_action_schema(body, action_schema)
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return action_schema
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def action(self, req, body, tenant_id, id):
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"""
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Handles requests that modify existing instances in some manner. Actions
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could include 'resize', 'restart'
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:param req: http request object
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:param body: deserialized body of the request as a dict
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:param tenant_id: the tenant id for whom owns the instance
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:param id: instance id
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"""
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LOG.debug("instance action req : '%s'\n\n", req)
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if not body:
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raise exception.BadRequest(_("Invalid request body."))
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context = req.environ[wsgi.CONTEXT_KEY]
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_actions = {
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'restart': self._action_restart,
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'resize': self._action_resize,
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'promote_to_replica_source':
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self._action_promote_to_replica_source,
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'eject_replica_source': self._action_eject_replica_source,
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'reset_status': self._action_reset_status,
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}
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selected_action = None
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action_name = None
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for key in body:
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if key in _actions:
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selected_action = _actions[key]
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action_name = key
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LOG.info("Performing %(action_name)s action against "
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"instance %(instance_id)s for tenant '%(tenant_id)s'",
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{'action_name': action_name, 'instance_id': id,
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'tenant_id': tenant_id})
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needs_server = True
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if action_name in ['reset_status']:
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needs_server = False
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instance = models.Instance.load(context, id, needs_server=needs_server)
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return selected_action(context, req, instance, body)
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def _action_restart(self, context, req, instance, body):
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context.notification = notification.DBaaSInstanceRestart(context,
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request=req)
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self.authorize_instance_action(context, 'restart', instance)
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with StartNotification(context, instance_id=instance.id):
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instance.restart()
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return wsgi.Result(None, 202)
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def _action_resize(self, context, req, instance, body):
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"""
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Handles 2 cases
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1. resize volume
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body only contains {volume: {size: x}}
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2. resize instance
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body only contains {flavorRef: http.../2}
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If the body has both we will throw back an error.
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"""
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options = {
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'volume': self._action_resize_volume,
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'flavorRef': self._action_resize_flavor
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}
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selected_option = None
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args = None
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for key in options:
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if key in body['resize']:
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selected_option = options[key]
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args = body['resize'][key]
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break
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return selected_option(context, req, instance, args)
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def _action_resize_volume(self, context, req, instance, volume):
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context.notification = notification.DBaaSInstanceResizeVolume(
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context, request=req)
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self.authorize_instance_action(context, 'resize_volume', instance)
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with StartNotification(context, instance_id=instance.id,
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new_size=volume['size']):
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instance.resize_volume(volume['size'])
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return wsgi.Result(None, 202)
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def _action_resize_flavor(self, context, req, instance, flavorRef):
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context.notification = notification.DBaaSInstanceResizeInstance(
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context, request=req)
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self.authorize_instance_action(context, 'resize_flavor', instance)
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new_flavor_id = utils.get_id_from_href(flavorRef)
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with StartNotification(context, instance_id=instance.id,
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new_flavor_id=new_flavor_id):
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instance.resize_flavor(new_flavor_id)
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return wsgi.Result(None, 202)
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def _action_promote_to_replica_source(self, context, req, instance, body):
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self.authorize_instance_action(
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context, 'promote_to_replica_source', instance)
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context.notification = notification.DBaaSInstanceEject(context,
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request=req)
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with StartNotification(context, instance_id=instance.id):
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instance.promote_to_replica_source()
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return wsgi.Result(None, 202)
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def _action_eject_replica_source(self, context, req, instance, body):
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self.authorize_instance_action(
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context, 'eject_replica_source', instance)
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context.notification = notification.DBaaSInstancePromote(context,
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request=req)
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with StartNotification(context, instance_id=instance.id):
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instance.eject_replica_source()
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return wsgi.Result(None, 202)
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def _action_reset_status(self, context, req, instance, body):
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if 'force_delete' in body['reset_status']:
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self.authorize_instance_action(context, 'force_delete', instance)
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else:
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self.authorize_instance_action(
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context, 'reset_status', instance)
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context.notification = notification.DBaaSInstanceResetStatus(
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context, request=req)
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with StartNotification(context, instance_id=instance.id):
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instance.reset_status()
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LOG.debug("Failing backups for instance %s.", instance.id)
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backup_model.fail_for_instance(instance.id)
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return wsgi.Result(None, 202)
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def index(self, req, tenant_id):
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"""Return all instances."""
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LOG.info("Listing database instances for tenant '%s'", tenant_id)
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LOG.debug("req : '%s'\n\n", req)
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context = req.environ[wsgi.CONTEXT_KEY]
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policy.authorize_on_tenant(context, 'instance:index')
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instances = self._get_instances(req, instance_view=views.InstanceView)
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return wsgi.Result(instances, 200)
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def detail(self, req, tenant_id):
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"""Return all instances with details."""
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LOG.info("Listing database instances with details for tenant '%s'",
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tenant_id)
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LOG.debug("req : '%s'\n\n", req)
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context = req.environ[wsgi.CONTEXT_KEY]
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policy.authorize_on_tenant(context, 'instance:detail')
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instances = self._get_instances(req,
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instance_view=views.InstanceDetailView)
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return wsgi.Result(instances, 200)
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def _get_instances(self, req, instance_view):
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context = req.environ[wsgi.CONTEXT_KEY]
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clustered_q = req.GET.get('include_clustered', '').lower()
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include_clustered = clustered_q == 'true'
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instances, marker = models.Instances.load(context, include_clustered)
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view = views.InstancesView(instances,
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item_view=instance_view,
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req=req)
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paged = pagination.SimplePaginatedDataView(req.url, 'instances', view,
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marker)
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return paged.data()
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def backups(self, req, tenant_id, id):
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"""Return all backups for the specified instance."""
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LOG.info("Listing backups for instance '%s'",
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id)
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LOG.debug("req : '%s'\n\n", req)
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.Instance.load(context, id)
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self.authorize_instance_action(context, 'backups', instance)
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backups, marker = backup_model.list_for_instance(context, id)
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view = backup_views.BackupViews(backups)
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paged = pagination.SimplePaginatedDataView(req.url, 'backups', view,
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marker)
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return wsgi.Result(paged.data(), 200)
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def show(self, req, tenant_id, id):
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"""Return a single instance."""
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LOG.info("Showing database instance '%(instance_id)s' for tenant "
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"'%(tenant_id)s'",
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{'instance_id': id, 'tenant_id': tenant_id})
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LOG.debug("req : '%s'\n\n", req)
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context = req.environ[wsgi.CONTEXT_KEY]
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server = models.load_instance_with_info(models.DetailInstance,
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context, id)
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self.authorize_instance_action(context, 'show', server)
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return wsgi.Result(
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views.InstanceDetailView(server, req=req).data(), 200
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)
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def delete(self, req, tenant_id, id):
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"""Delete a single instance."""
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LOG.info("Deleting database instance '%(instance_id)s' for tenant "
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"'%(tenant_id)s'",
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{'instance_id': id, 'tenant_id': tenant_id})
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LOG.debug("req : '%s'\n\n", req)
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.load_any_instance(context, id)
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self.authorize_instance_action(context, 'delete', instance)
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context.notification = notification.DBaaSInstanceDelete(
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context, request=req)
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with StartNotification(context, instance_id=instance.id):
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marker = 'foo'
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while marker:
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instance_modules, marker = module_models.InstanceModules.load(
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context, instance_id=id)
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for instance_module in instance_modules:
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instance_module = module_models.InstanceModule.load(
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context, instance_module['instance_id'],
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instance_module['module_id'])
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module_models.InstanceModule.delete(
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context, instance_module)
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instance.delete()
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return wsgi.Result(None, 202)
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def create(self, req, body, tenant_id):
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# TODO(hub-cap): turn this into middleware
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LOG.info("Creating a database instance for tenant '%s'",
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tenant_id)
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LOG.debug("req : '%s'\n\n", strutils.mask_password(req))
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LOG.debug("body : '%s'\n\n", strutils.mask_password(body))
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context = req.environ[wsgi.CONTEXT_KEY]
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policy.authorize_on_tenant(context, 'instance:create')
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context.notification = notification.DBaaSInstanceCreate(context,
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request=req)
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datastore_args = body['instance'].get('datastore', {})
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datastore, datastore_version = (
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datastore_models.get_datastore_version(**datastore_args))
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image_id = datastore_version.image_id
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name = body['instance']['name']
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flavor_ref = body['instance']['flavorRef']
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flavor_id = utils.get_id_from_href(flavor_ref)
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configuration = self._configuration_parse(context, body)
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databases = populate_validated_databases(
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body['instance'].get('databases', []))
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database_names = [database.get('_name', '') for database in databases]
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users = None
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try:
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users = populate_users(body['instance'].get('users', []),
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database_names)
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except ValueError as ve:
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raise exception.BadRequest(message=ve)
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modules = body['instance'].get('modules')
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# The following operations have their own API calls.
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# We need to make sure the same policies are enforced when
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# creating an instance.
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# i.e. if attaching configuration group to an existing instance is not
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# allowed, it should not be possible to create a new instance with the
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# group attached either
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if configuration:
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policy.authorize_on_tenant(context, 'instance:update')
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if modules:
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policy.authorize_on_tenant(context, 'instance:module_apply')
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if users:
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policy.authorize_on_tenant(
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context, 'instance:extension:user:create')
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if databases:
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policy.authorize_on_tenant(
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context, 'instance:extension:database:create')
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if 'volume' in body['instance']:
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volume_info = body['instance']['volume']
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volume_size = int(volume_info['size'])
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volume_type = volume_info.get('type')
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else:
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volume_size = None
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volume_type = None
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if 'restorePoint' in body['instance']:
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backupRef = body['instance']['restorePoint']['backupRef']
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backup_id = utils.get_id_from_href(backupRef)
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else:
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backup_id = None
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availability_zone = body['instance'].get('availability_zone')
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nics = body['instance'].get('nics', [])
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slave_of_id = body['instance'].get('replica_of',
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# also check for older name
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body['instance'].get('slave_of'))
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replica_count = body['instance'].get('replica_count')
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locality = body['instance'].get('locality')
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if locality:
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locality_domain = ['affinity', 'anti-affinity']
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locality_domain_msg = ("Invalid locality '%s'. "
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"Must be one of ['%s']" %
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(locality,
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"', '".join(locality_domain)))
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if locality not in locality_domain:
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raise exception.BadRequest(message=locality_domain_msg)
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if slave_of_id:
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dupe_locality_msg = (
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'Cannot specify locality when adding replicas to existing '
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'master.')
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raise exception.BadRequest(message=dupe_locality_msg)
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region_name = body['instance'].get('region_name', CONF.os_region_name)
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access = body['instance'].get('access', None)
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instance = models.Instance.create(context, name, flavor_id,
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image_id, databases, users,
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datastore, datastore_version,
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volume_size, backup_id,
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availability_zone, nics,
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configuration, slave_of_id,
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replica_count=replica_count,
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volume_type=volume_type,
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modules=modules,
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locality=locality,
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region_name=region_name,
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access=access)
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view = views.InstanceDetailView(instance, req=req)
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return wsgi.Result(view.data(), 200)
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def _configuration_parse(self, context, body):
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if 'configuration' in body['instance']:
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configuration_ref = body['instance']['configuration']
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if configuration_ref:
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configuration_id = utils.get_id_from_href(configuration_ref)
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return configuration_id
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def _modify_instance(self, context, req, instance, **kwargs):
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if 'detach_replica' in kwargs and kwargs['detach_replica']:
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LOG.debug("Detaching replica from source.")
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context.notification = notification.DBaaSInstanceDetach(
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context, request=req)
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with StartNotification(context, instance_id=instance.id):
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instance.detach_replica()
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if 'configuration_id' in kwargs:
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if kwargs['configuration_id']:
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context.notification = (
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notification.DBaaSInstanceAttachConfiguration(context,
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request=req))
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configuration_id = kwargs['configuration_id']
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with StartNotification(context, instance_id=instance.id,
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configuration_id=configuration_id):
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instance.attach_configuration(configuration_id)
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else:
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context.notification = (
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notification.DBaaSInstanceDetachConfiguration(context,
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request=req))
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with StartNotification(context, instance_id=instance.id):
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instance.detach_configuration()
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if 'datastore_version' in kwargs:
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datastore_version = datastore_models.DatastoreVersion.load(
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instance.datastore, kwargs['datastore_version'])
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context.notification = (
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notification.DBaaSInstanceUpgrade(context, request=req))
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with StartNotification(context, instance_id=instance.id,
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datastore_version_id=datastore_version.id):
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instance.upgrade(datastore_version)
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if kwargs:
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instance.update_db(**kwargs)
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def update(self, req, id, body, tenant_id):
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"""Updates the instance to attach/detach configuration."""
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LOG.info("Updating database instance '%(instance_id)s' for tenant "
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"'%(tenant_id)s'",
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{'instance_id': id, 'tenant_id': tenant_id})
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LOG.debug("req: %s", req)
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LOG.debug("body: %s", body)
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.Instance.load(context, id)
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self.authorize_instance_action(context, 'update', instance)
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# Make sure args contains a 'configuration_id' argument,
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args = {}
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args['configuration_id'] = self._configuration_parse(context, body)
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self._modify_instance(context, req, instance, **args)
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return wsgi.Result(None, 202)
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def edit(self, req, id, body, tenant_id):
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"""
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Updates the instance to set or unset one or more attributes.
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"""
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LOG.info("Editing instance for tenant id %s.", tenant_id)
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LOG.debug("req: %s", strutils.mask_password(req))
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LOG.debug("body: %s", strutils.mask_password(body))
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.Instance.load(context, id)
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self.authorize_instance_action(context, 'edit', instance)
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args = {}
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args['detach_replica'] = ('replica_of' in body['instance'] or
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'slave_of' in body['instance'])
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if 'name' in body['instance']:
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args['name'] = body['instance']['name']
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if 'configuration' in body['instance']:
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args['configuration_id'] = self._configuration_parse(context, body)
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if 'datastore_version' in body['instance']:
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args['datastore_version'] = body['instance'].get(
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'datastore_version')
|
|
|
|
self._modify_instance(context, req, instance, **args)
|
|
return wsgi.Result(None, 202)
|
|
|
|
def configuration(self, req, tenant_id, id):
|
|
"""
|
|
Returns the default configuration template applied to the instance.
|
|
"""
|
|
LOG.info("Getting default configuration for instance %s", id)
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
instance = models.Instance.load(context, id)
|
|
self.authorize_instance_action(context, 'configuration', instance)
|
|
|
|
LOG.debug("Server: %s", instance)
|
|
config = instance.get_default_configuration_template()
|
|
LOG.debug("Default config for instance %(instance_id)s is %(config)s",
|
|
{'instance_id': id, 'config': config})
|
|
return wsgi.Result(views.DefaultConfigurationView(
|
|
config).data(), 200)
|
|
|
|
def guest_log_list(self, req, tenant_id, id):
|
|
"""Return all information about all logs for an instance."""
|
|
LOG.debug("Listing logs for tenant %s", tenant_id)
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
|
|
try:
|
|
backup_model.verify_swift_auth_token(context)
|
|
except exception.SwiftNotFound:
|
|
raise exception.LogsNotAvailable()
|
|
|
|
instance = models.Instance.load(context, id)
|
|
if not instance:
|
|
raise exception.NotFound(uuid=id)
|
|
self.authorize_instance_action(context, 'guest_log_list', instance)
|
|
client = create_guest_client(context, id)
|
|
guest_log_list = client.guest_log_list()
|
|
return wsgi.Result({'logs': guest_log_list}, 200)
|
|
|
|
def guest_log_action(self, req, body, tenant_id, id):
|
|
"""Processes a guest log."""
|
|
LOG.info("Processing log for tenant %s", tenant_id)
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
|
|
try:
|
|
backup_model.verify_swift_auth_token(context)
|
|
except exception.SwiftNotFound:
|
|
raise exception.LogsNotAvailable()
|
|
|
|
instance = models.Instance.load(context, id)
|
|
if not instance:
|
|
raise exception.NotFound(uuid=id)
|
|
log_name = body['name']
|
|
enable = body.get('enable', None)
|
|
disable = body.get('disable', None)
|
|
publish = body.get('publish', None)
|
|
discard = body.get('discard', None)
|
|
if enable and disable:
|
|
raise exception.BadRequest(_("Cannot enable and disable log."))
|
|
client = create_guest_client(context, id)
|
|
guest_log = client.guest_log_action(log_name, enable, disable,
|
|
publish, discard)
|
|
return wsgi.Result({'log': guest_log}, 200)
|
|
|
|
def module_list(self, req, tenant_id, id):
|
|
"""Return information about modules on an instance."""
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
instance = models.Instance.load(context, id)
|
|
if not instance:
|
|
raise exception.NotFound(uuid=id)
|
|
self.authorize_instance_action(context, 'module_list', instance)
|
|
from_guest = bool(req.GET.get('from_guest', '').lower())
|
|
include_contents = bool(req.GET.get('include_contents', '').lower())
|
|
if from_guest:
|
|
return self._module_list_guest(
|
|
context, id, include_contents=include_contents)
|
|
else:
|
|
return self._module_list(
|
|
context, id, include_contents=include_contents)
|
|
|
|
def _module_list_guest(self, context, id, include_contents):
|
|
"""Return information about modules on an instance."""
|
|
client = create_guest_client(context, id)
|
|
result_list = client.module_list(include_contents)
|
|
return wsgi.Result({'modules': result_list}, 200)
|
|
|
|
def _module_list(self, context, id, include_contents):
|
|
"""Return information about instance modules."""
|
|
client = create_guest_client(context, id)
|
|
result_list = client.module_list(include_contents)
|
|
return wsgi.Result({'modules': result_list}, 200)
|
|
|
|
def module_apply(self, req, body, tenant_id, id):
|
|
"""Apply modules to an instance."""
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
instance = models.Instance.load(context, id)
|
|
if not instance:
|
|
raise exception.NotFound(uuid=id)
|
|
self.authorize_instance_action(context, 'module_apply', instance)
|
|
module_ids = [mod['id'] for mod in body.get('modules', [])]
|
|
modules = module_models.Modules.load_by_ids(context, module_ids)
|
|
module_models.Modules.validate(
|
|
modules, instance.datastore.id, instance.datastore_version.id)
|
|
module_list = module_views.convert_modules_to_list(modules)
|
|
client = create_guest_client(context, id)
|
|
result_list = client.module_apply(module_list)
|
|
models.Instance.add_instance_modules(context, id, modules)
|
|
return wsgi.Result({'modules': result_list}, 200)
|
|
|
|
def module_remove(self, req, tenant_id, id, module_id):
|
|
"""Remove module from an instance."""
|
|
context = req.environ[wsgi.CONTEXT_KEY]
|
|
instance = models.Instance.load(context, id)
|
|
if not instance:
|
|
raise exception.NotFound(uuid=id)
|
|
self.authorize_instance_action(context, 'module_remove', instance)
|
|
module = module_models.Module.load(context, module_id)
|
|
module_info = module_views.DetailedModuleView(module).data()
|
|
client = create_guest_client(context, id)
|
|
client.module_remove(module_info)
|
|
instance_modules = module_models.InstanceModules.load_all(
|
|
context, instance_id=id, module_id=module_id)
|
|
for instance_module in instance_modules:
|
|
module_models.InstanceModule.delete(context, instance_module)
|
|
LOG.debug("Deleted IM record %(instance_module_id)s "
|
|
"(instance %(id)s, module %(module_id)s).",
|
|
{'instance_module_id': instance_module.id, 'id': id,
|
|
'module_id': module_id})
|
|
return wsgi.Result(None, 200)
|