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
with context.session.begin(subtransactions=True):
pc = self.get_port_chain(context, portchain_id)
pc_context = sfc_ctx.PortChainContext(self, context, pc)
super(SfcPlugin, self).delete_port_chain(context, portchain_id)
self.driver_manager.delete_port_chain_precommit(pc_context)
self.driver_manager.delete_port_chain_postcommit(pc_context)
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("Delete port chain failed, portchain '%s'",
portchain_id)
# TODO(qijing): unsync in case deleted in driver but fail in database
with db_api.CONTEXT_WRITER.using(context):
pc = self.get_port_chain(context, portchain_id)
pc_context = sfc_ctx.PortChainContext(self, context, pc)
super(SfcPlugin, self).delete_port_chain(context, portchain_id)
self.driver_manager.delete_port_chain_precommit(pc_context)
self.driver_manager.delete_port_chain_postcommit(pc_context)
def update_port_pair_group_precommit(self, context, remap=False):
self._validate_port_pair_group(context)
# Remap Port Chain if needed
if remap or self._should_regenerate_ppg(context):
for chain in self._get_chains_by_ppg_id(context._plugin_context,
context.current['id']):
c_ctx = sfc_ctx.PortChainContext(context._plugin,
context._plugin_context,
chain, chain)
self.update_port_chain_precommit(c_ctx, remap=True)
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
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
def create_port_chain(self, context, port_chain):
with db_api.CONTEXT_WRITER.using(context):
port_chain_db = super(SfcPlugin, self).create_port_chain(
context, port_chain)
portchain_db_context = sfc_ctx.PortChainContext(
self, context, port_chain_db)
self.driver_manager.create_port_chain_precommit(
portchain_db_context)
try:
self.driver_manager.create_port_chain_postcommit(
portchain_db_context)
except sfc_exc.SfcDriverError as e:
LOG.exception(e)
with excutils.save_and_reraise_exception():
LOG.error("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