Exemplo n.º 1
0
 def _get_resource(self, plugin, context, resource, resource_id,
                   clean_session=True):
     with utils.clean_session(context.session) if clean_session else (
         dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
     return obj
Exemplo n.º 2
0
 def _update_resource(self,
                      plugin,
                      context,
                      resource,
                      resource_id,
                      attrs,
                      do_notify=True,
                      clean_session=True):
     # REVISIT(rkukura): Do update.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(
             context.session) if clean_session else (dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource)
         orig_obj = obj_getter(context, resource_id)
         action = 'update_' + resource
         obj_updater = getattr(plugin, action)
         obj = obj_updater(context, resource_id, {resource: attrs})
         if do_notify:
             self._nova_notifier.send_network_change(
                 action, orig_obj, {resource: obj})
             # REVISIT(rkukura): Do update.end notification?
             if cfg.CONF.dhcp_agent_notification:
                 self._dhcp_agent_notifier.notify(context, {resource: obj},
                                                  resource + '.update.end')
     return obj
Exemplo n.º 3
0
 def _get_resources(self, plugin, context, resource_plural, filters=None,
                    clean_session=True):
     with utils.clean_session(context.session) if clean_session else (
         dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource_plural)
         obj = obj_getter(context, filters)
     return obj
Exemplo n.º 4
0
 def _create_resource(self,
                      plugin,
                      context,
                      resource,
                      attrs,
                      do_notify=True,
                      clean_session=True):
     # REVISIT(rkukura): Do create.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(
             context.session) if clean_session else (dummy_context_mgr()):
         reservation = None
         if plugin in [
                 self._group_policy_plugin, self._servicechain_plugin
         ]:
             reservation = quota.QUOTAS.make_reservation(
                 context, context.tenant_id, {resource: 1}, plugin)
         action = 'create_' + resource
         obj_creator = getattr(plugin, action)
         try:
             obj = obj_creator(context, {resource: attrs})
         except Exception:
             # In case of failure the plugin will always raise an
             # exception. Cancel the reservation
             with excutils.save_and_reraise_exception():
                 if reservation:
                     quota.QUOTAS.cancel_reservation(
                         context, reservation.reservation_id)
         if reservation:
             quota.QUOTAS.commit_reservation(context,
                                             reservation.reservation_id)
             # At this point the implicit resource creation is successfull,
             # so we should be calling:
             # resource_registry.set_resources_dirty(context)
             # to appropriately notify the quota engine. However, the above
             # call begins a new transaction and we want to avoid that.
             # Moreover, it can be safely assumed that any implicit resource
             # creation via this local_api is always in response to an
             # explicit resource creation request, and hence the above
             # method will be invoked in the API layer.
         if do_notify:
             if BATCH_NOTIFICATIONS and not clean_session:
                 outer_transaction = (_get_outer_transaction(
                     context._session.transaction))
             else:
                 outer_transaction = None
             args = [action, {}, {resource: obj}]
             send_or_queue_notification(outer_transaction,
                                        self._nova_notifier,
                                        'send_network_change', args)
             # REVISIT(rkukura): Do create.end notification?
             if cfg.CONF.dhcp_agent_notification:
                 args = [context, {resource: obj}, resource + '.create.end']
                 send_or_queue_notification(outer_transaction,
                                            self._dhcp_agent_notifier,
                                            'notify', args)
     return obj
Exemplo n.º 5
0
 def _get_resource(self,
                   plugin,
                   context,
                   resource,
                   resource_id,
                   clean_session=True):
     with utils.clean_session(
             context.session) if clean_session else (dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
     return obj
Exemplo n.º 6
0
 def _get_resources(self,
                    plugin,
                    context,
                    resource_plural,
                    filters=None,
                    clean_session=True):
     with utils.clean_session(
             context.session) if clean_session else (dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource_plural)
         obj = obj_getter(context, filters)
     return obj
 def _create_resource(self, plugin, context, resource, attrs):
     # REVISIT(rkukura): Do create.start notification?
     # REVISIT(rkukura): Check authorization?
     # REVISIT(rkukura): Do quota?
     with utils.clean_session(context.session):
         action = "create_" + resource
         obj_creator = getattr(plugin, action)
         obj = obj_creator(context, {resource: attrs})
         self._nova_notifier.send_network_change(action, {}, {resource: obj})
         # REVISIT(rkukura): Do create.end notification?
         if cfg.CONF.dhcp_agent_notification:
             self._dhcp_agent_notifier.notify(context, {resource: obj}, resource + ".create.end")
     return obj
 def _delete_resource(self, plugin, context, resource, resource_id):
     # REVISIT(rkukura): Do delete.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, "get_" + resource)
         obj = obj_getter(context, resource_id)
         action = "delete_" + resource
         obj_deleter = getattr(plugin, action)
         obj_deleter(context, resource_id)
         self._nova_notifier.send_network_change(action, {}, {resource: obj})
         # REVISIT(rkukura): Do delete.end notification?
         if cfg.CONF.dhcp_agent_notification:
             self._dhcp_agent_notifier.notify(context, {resource: obj}, resource + ".delete.end")
 def _create_resource(self, plugin, context, resource, attrs):
     # REVISIT(rkukura): Do create.start notification?
     # REVISIT(rkukura): Check authorization?
     # REVISIT(rkukura): Do quota?
     with utils.clean_session(context.session):
         action = 'create_' + resource
         obj_creator = getattr(plugin, action)
         obj = obj_creator(context, {resource: attrs})
         self._nova_notifier.send_network_change(action, {},
                                                 {resource: obj})
         # REVISIT(rkukura): Do create.end notification?
         if cfg.CONF.dhcp_agent_notification:
             self._dhcp_agent_notifier.notify(context, {resource: obj},
                                              resource + '.create.end')
     return obj
 def _delete_resource(self, plugin, context, resource, resource_id):
     # REVISIT(rkukura): Do delete.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
         action = 'delete_' + resource
         obj_deleter = getattr(plugin, action)
         obj_deleter(context, resource_id)
         self._nova_notifier.send_network_change(action, {},
                                                 {resource: obj})
         # REVISIT(rkukura): Do delete.end notification?
         if cfg.CONF.dhcp_agent_notification:
             self._dhcp_agent_notifier.notify(context, {resource: obj},
                                              resource + '.delete.end')
Exemplo n.º 11
0
 def _delete_resource(self, plugin, context, resource, resource_id,
                      do_notify=True, clean_session=True):
     # REVISIT(rkukura): Do delete.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(context.session) if clean_session else (
         dummy_context_mgr()):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
         action = 'delete_' + resource
         obj_deleter = getattr(plugin, action)
         obj_deleter(context, resource_id)
         if do_notify:
             self._nova_notifier.send_network_change(action, {},
                                                     {resource: obj})
             # REVISIT(rkukura): Do delete.end notification?
             if cfg.CONF.dhcp_agent_notification:
                 self._dhcp_agent_notifier.notify(context,
                                                  {resource: obj},
                                                  resource + '.delete.end')
Exemplo n.º 12
0
 def _update_resource(self, plugin, context, resource, resource_id, attrs,
                      do_notify=True):
     # REVISIT(rkukura): Do update.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource)
         orig_obj = obj_getter(context, resource_id)
         action = 'update_' + resource
         obj_updater = getattr(plugin, action)
         obj = obj_updater(context, resource_id, {resource: attrs})
         if do_notify:
             self._nova_notifier.send_network_change(action, orig_obj,
                                                     {resource: obj})
             # REVISIT(rkukura): Do update.end notification?
             if cfg.CONF.dhcp_agent_notification:
                 self._dhcp_agent_notifier.notify(context,
                                                  {resource: obj},
                                                  resource + '.update.end')
     return obj
Exemplo n.º 13
0
 def _create_resource(self, plugin, context, resource, attrs,
                      do_notify=True, clean_session=True):
     # REVISIT(rkukura): Do create.start notification?
     # REVISIT(rkukura): Check authorization?
     with utils.clean_session(context.session) if clean_session else (
         dummy_context_mgr()):
         reservation = None
         if plugin in [self._group_policy_plugin,
                 self._servicechain_plugin]:
             reservation = quota.QUOTAS.make_reservation(
                     context, context.tenant_id, {resource: 1}, plugin)
         action = 'create_' + resource
         obj_creator = getattr(plugin, action)
         try:
             obj = obj_creator(context, {resource: attrs})
         except Exception:
             # In case of failure the plugin will always raise an
             # exception. Cancel the reservation
             with excutils.save_and_reraise_exception():
                 if reservation:
                     quota.QUOTAS.cancel_reservation(
                             context, reservation.reservation_id)
         if reservation:
             quota.QUOTAS.commit_reservation(
                     context, reservation.reservation_id)
             # At this point the implicit resource creation is successfull,
             # so we should be calling:
             # resource_registry.set_resources_dirty(context)
             # to appropriately notify the quota engine. However, the above
             # call begins a new transaction and we want to avoid that.
             # Moreover, it can be safely assumed that any implicit resource
             # creation via this local_api is always in response to an
             # explicit resource creation request, and hence the above
             # method will be invoked in the API layer.
         if do_notify:
             self._nova_notifier.send_network_change(action, {},
                                                     {resource: obj})
             # REVISIT(rkukura): Do create.end notification?
             if cfg.CONF.dhcp_agent_notification:
                 self._dhcp_agent_notifier.notify(
                     context, {resource: obj}, resource + '.create.end')
     return obj
Exemplo n.º 14
0
 def _get_resources(self, plugin, context, resource_plural, filters=None):
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource_plural)
         obj = obj_getter(context, filters)
     return obj
 def _get_resource(self, plugin, context, resource, resource_id):
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
     return obj
 def _get_resources(self, plugin, context, resource, filters=None):
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource + 's')
         obj = obj_getter(context, filters)
     return obj
 def _get_resources(self, plugin, context, resource, filters=None):
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, "get_" + resource + "s")
         obj = obj_getter(context, filters)
     return obj
Exemplo n.º 18
0
 def _get_resource(self, plugin, context, resource, resource_id):
     with utils.clean_session(context.session):
         obj_getter = getattr(plugin, 'get_' + resource)
         obj = obj_getter(context, resource_id)
     return obj