| from services.volt.models import AccessAgent, VOLTDevice, VOLTService, AgentPortMapping |
| from xosresource import XOSResource |
| |
| class XOSAccessAgent(XOSResource): |
| provides = "tosca.nodes.AccessAgent" |
| xos_model = AccessAgent |
| copyin_props = ["mac"] |
| |
| def get_xos_args(self, throw_exception=True): |
| args = super(XOSAccessAgent, self).get_xos_args() |
| |
| volt_service_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception) |
| if volt_service_name: |
| args["volt_service"] = self.get_xos_object(VOLTService, throw_exception=throw_exception, name=volt_service_name) |
| |
| return args |
| |
| def postprocess(self, obj): |
| # For convenient, allow the port mappings to be specified by a Tosca |
| # string with commas between lines. |
| # <port> <mac>, |
| # <port> <mac>, |
| # ... |
| # <port> <mac> |
| |
| port_mappings_str = self.get_property("port_mappings") |
| port_mappings = [] |
| if port_mappings_str: |
| lines = [x.strip() for x in port_mappings_str.split(",")] |
| for line in lines: |
| if not (" " in line): |
| raise "Malformed port mapping `%s`", line |
| (port, mac) = line.split(" ") |
| port=port.strip() |
| mac=mac.strip() |
| port_mappings.append( (port, mac) ) |
| |
| for apm in list(AgentPortMapping.objects.filter(access_agent=obj)): |
| if (apm.port, apm.mac) not in port_mappings: |
| print "Deleting AgentPortMapping '%s'" % apm |
| apm.delete() |
| |
| for port_mapping in port_mappings: |
| existing_objs = AgentPortMapping.objects.filter(access_agent=obj, port=port_mapping[0], mac=port_mapping[1]) |
| if not existing_objs: |
| apm = AgentPortMapping(access_agent=obj, port=port_mapping[0], mac=port_mapping[1]) |
| apm.save() |
| print "Created AgentPortMapping '%s'" % apm |
| |