def _update_extra_dhcp_opts_on_port(self, context, id, port,
updated_port=None):
# It is not necessary to update in a transaction, because
# its called from within one from ovs_neutron_plugin.
dopts = port['port'].get(edo_ext.EXTRADHCPOPTS)
if dopts:
opts = obj_extra_dhcp.ExtraDhcpOpt.get_objects(
context, port_id=id)
# if there are currently no dhcp_options associated to
# this port, Then just insert the new ones and be done.
with db_api.context_manager.writer.using(context):
for upd_rec in dopts:
for opt in opts:
if (opt['opt_name'] == upd_rec['opt_name']
and opt['ip_version'] == upd_rec.get(
'ip_version', 4)):
# to handle deleting of a opt from the port.
if upd_rec['opt_value'] is None:
opt.delete()
else:
if (self._is_valid_opt_value(
opt['opt_name'],
upd_rec['opt_value']) and
opt['opt_value'] !=
upd_rec['opt_value']):
opt['opt_value'] = upd_rec['opt_value']
opt.update()
break
else:
if self._is_valid_opt_value(
upd_rec['opt_name'],
upd_rec['opt_value']):
ip_version = upd_rec.get('ip_version', 4)
extra_dhcp_obj = obj_extra_dhcp.ExtraDhcpOpt(
context,
port_id=id,
opt_name=upd_rec['opt_name'],
opt_value=upd_rec['opt_value'],
ip_version=ip_version)
extra_dhcp_obj.create()
if updated_port:
edolist = self._get_port_extra_dhcp_opts_binding(context, id)
updated_port[edo_ext.EXTRADHCPOPTS] = edolist
return bool(dopts)
def _process_port_create_extra_dhcp_opts(self, context, port,
extra_dhcp_opts):
if not extra_dhcp_opts:
return port
with db_api.context_manager.writer.using(context):
for dopt in extra_dhcp_opts:
if self._is_valid_opt_value(dopt['opt_name'],
dopt['opt_value']):
ip_version = dopt.get('ip_version', 4)
extra_dhcp_obj = obj_extra_dhcp.ExtraDhcpOpt(
context,
port_id=port['id'],
opt_name=dopt['opt_name'],
opt_value=dopt['opt_value'],
ip_version=ip_version)
extra_dhcp_obj.create()
return self._extend_port_extra_dhcp_opts_dict(context, port)
def _process_port_create_extra_dhcp_opts(self, context, port,
extra_dhcp_opts):
if not extra_dhcp_opts:
return port
with context.session.begin(subtransactions=True):
for dopt in extra_dhcp_opts:
if self._is_valid_opt_value(dopt['opt_name'],
dopt['opt_value']):
ip_version = dopt.get('ip_version', 4)
extra_dhcp_obj = obj_extra_dhcp.ExtraDhcpOpt(
context,
port_id=port['id'],
opt_name=dopt['opt_name'],
opt_value=dopt['opt_value'],
ip_version=ip_version)
extra_dhcp_obj.create()
return self._extend_port_extra_dhcp_opts_dict(context, port)
