From c772a1dbc7ace58d099570d41a889adf851c8ba8 Mon Sep 17 00:00:00 2001 From: Ulas Kozat Date: Mon, 28 Dec 2015 16:05:13 -0800 Subject: Added networking-sfc from openstack project with merge date Dec 23 2015 Added patch 13 for subject "add missing db migration files" Change-Id: Id51a160335a14870c1dd816a44baf9b1958b9ac6 --- networking_sfc/services/sfc/plugin.py | 200 ++++++++++++++++++++++++++++++++++ 1 file changed, 200 insertions(+) create mode 100644 networking_sfc/services/sfc/plugin.py (limited to 'networking_sfc/services/sfc/plugin.py') diff --git a/networking_sfc/services/sfc/plugin.py b/networking_sfc/services/sfc/plugin.py new file mode 100644 index 0000000..f41c8e1 --- /dev/null +++ b/networking_sfc/services/sfc/plugin.py @@ -0,0 +1,200 @@ +# Copyright 2015 Futurewei. All rights reserved. +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. + +from oslo_log import helpers as log_helpers +from oslo_log import log as logging +from oslo_utils import excutils + +from neutron.i18n import _LE + +from networking_sfc.db import sfc_db +from networking_sfc.extensions import sfc as sfc_ext +from networking_sfc.services.sfc.common import context as sfc_ctx +from networking_sfc.services.sfc.common import exceptions as sfc_exc +from networking_sfc.services.sfc import driver_manager as sfc_driver + + +LOG = logging.getLogger(__name__) + + +class SfcPlugin(sfc_db.SfcDbPlugin): + """SFC plugin implementation.""" + + supported_extension_aliases = [sfc_ext.SFC_EXT] + path_prefix = sfc_ext.SFC_PREFIX + + def __init__(self): + self.driver_manager = sfc_driver.SfcDriverManager() + super(SfcPlugin, self).__init__() + self.driver_manager.initialize() + + @log_helpers.log_method_call + def create_port_chain(self, context, port_chain): + port_chain_db = super(SfcPlugin, self).create_port_chain( + context, port_chain) + portchain_db_context = sfc_ctx.PortChainContext( + self, context, port_chain_db) + try: + self.driver_manager.create_port_chain(portchain_db_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Create port chain failed, " + "deleting port_chain '%s'"), + port_chain_db['id']) + self.delete_port_chain(context, port_chain_db['id']) + + return port_chain_db + + @log_helpers.log_method_call + def update_port_chain(self, context, portchain_id, port_chain): + original_portchain = self.get_port_chain(context, portchain_id) + updated_portchain = super(SfcPlugin, self).update_port_chain( + context, portchain_id, port_chain) + portchain_db_context = sfc_ctx.PortChainContext( + self, context, updated_portchain, + original_portchain=original_portchain) + + try: + self.driver_manager.update_port_chain(portchain_db_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Update port chain failed, port_chain '%s'"), + updated_portchain['id']) + + # TODO(qijing): should we rollback the database update here? + return updated_portchain + + @log_helpers.log_method_call + def delete_port_chain(self, context, portchain_id): + pc = self.get_port_chain(context, portchain_id) + pc_context = sfc_ctx.PortChainContext(self, context, pc) + try: + self.driver_manager.delete_port_chain(pc_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Delete port chain failed, portchain '%s'"), + portchain_id) + # TODO(qijing): unsync in case deleted in driver but fail in database + super(SfcPlugin, self).delete_port_chain(context, portchain_id) + + @log_helpers.log_method_call + def create_port_pair(self, context, port_pair): + portpair_db = super(SfcPlugin, self).create_port_pair( + context, port_pair) + portpair_context = sfc_ctx.PortPairContext( + self, context, portpair_db) + try: + self.driver_manager.create_port_pair(portpair_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Create port pair failed, " + "deleting port_pair '%s'"), + portpair_db['id']) + self.delete_port_pair(context, portpair_db['id']) + + return portpair_db + + @log_helpers.log_method_call + def update_port_pair(self, context, portpair_id, port_pair): + original_portpair = self.get_port_pair(context, portpair_id) + updated_portpair = super(SfcPlugin, self).update_port_pair( + context, portpair_id, port_pair) + portpair_context = sfc_ctx.PortPairContext( + self, context, updated_portpair, + original_portpair=original_portpair) + try: + self.driver_manager.update_port_pair(portpair_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Update port pair failed, port_pair '%s'"), + updated_portpair['id']) + + return updated_portpair + + @log_helpers.log_method_call + def delete_port_pair(self, context, portpair_id): + portpair = self.get_port_pair(context, portpair_id) + portpair_context = sfc_ctx.PortPairContext( + self, context, portpair) + try: + self.driver_manager.delete_port_pair(portpair_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Delete port pair failed, port_pair '%s'"), + portpair_id) + + super(SfcPlugin, self).delete_port_pair(context, portpair_id) + + @log_helpers.log_method_call + def create_port_pair_group(self, context, port_pair_group): + portpairgroup_db = super(SfcPlugin, self).create_port_pair_group( + context, port_pair_group) + portpairgroup_context = sfc_ctx.PortPairGroupContext( + self, context, portpairgroup_db) + try: + self.driver_manager.create_port_pair_group(portpairgroup_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Create port pair group failed, " + "deleting port_pair_group '%s'"), + portpairgroup_db['id']) + self.delete_port_pair_group(context, portpairgroup_db['id']) + + return portpairgroup_db + + @log_helpers.log_method_call + def update_port_pair_group( + self, context, portpairgroup_id, port_pair_group + ): + original_portpairgroup = self.get_port_pair_group( + context, portpairgroup_id) + updated_portpairgroup = super(SfcPlugin, self).update_port_pair_group( + context, portpairgroup_id, port_pair_group) + portpairgroup_context = sfc_ctx.PortPairGroupContext( + self, context, updated_portpairgroup, + original_portpairgroup=original_portpairgroup) + try: + self.driver_manager.update_port_pair_group(portpairgroup_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Update port pair group failed, " + "port_pair_group '%s'"), + updated_portpairgroup['id']) + + return updated_portpairgroup + + @log_helpers.log_method_call + def delete_port_pair_group(self, context, portpairgroup_id): + portpairgroup = self.get_port_pair_group(context, portpairgroup_id) + portpairgroup_context = sfc_ctx.PortPairGroupContext( + self, context, portpairgroup) + try: + self.driver_manager.delete_port_pair_group(portpairgroup_context) + except sfc_exc.SfcDriverError as e: + LOG.exception(e) + with excutils.save_and_reraise_exception(): + LOG.error(_LE("Delete port pair group failed, " + "port_pair_group '%s'"), + portpairgroup_id) + + super(SfcPlugin, self).delete_port_pair_group(context, + portpairgroup_id) -- cgit 1.2.3-korg