| from xosresource import XOSResource |
| from core.models import User, ServiceInstanceAttribute, Service, ServiceInstanceLink |
| from services.onos.models import ONOSApp, ONOSService |
| |
| class XOSONOSApp(XOSResource): |
| provides = ["tosca.nodes.ONOSApp", "tosca.nodes.ONOSvBNGApp", "tosca.nodes.ONOSvOLTApp", "tosca.nodes.ONOSVTNApp", "tosca.nodes.ONOSvRouterApp"] |
| xos_model = ONOSApp |
| copyin_props = ["service_specific_id", "dependencies", "install_dependencies"] |
| |
| def get_xos_args(self, throw_exception=True): |
| args = super(XOSONOSApp, self).get_xos_args() |
| |
| # provider_service is mandatory and must be the ONOS Service |
| provider_name = self.get_requirement("tosca.relationships.TenantOfService", throw_exception=throw_exception) |
| if provider_name: |
| args["owner"] = self.get_xos_object(ONOSService, throw_exception=throw_exception, name=provider_name) |
| |
| return args |
| |
| def set_tenant_attr(self, obj, prop_name, value): |
| value = self.try_intrinsic_function(value) |
| if value: |
| attrs = ServiceInstanceAttribute.objects.filter(service_instance=obj, name=prop_name) |
| if attrs: |
| attr = attrs[0] |
| if attr.value != value: |
| self.info("updating attribute %s" % prop_name) |
| attr.value = value |
| attr.save() |
| else: |
| self.info("adding attribute %s" % prop_name) |
| ta = ServiceInstanceAttribute(service_instance=obj, name=prop_name, value=value) |
| ta.save() |
| |
| def postprocess(self, obj): |
| props = self.nodetemplate.get_properties() |
| for (k,d) in props.items(): |
| v = d.value |
| if k.startswith("config_"): |
| self.set_tenant_attr(obj, k, v) |
| elif k.startswith("rest_") and (k!="rest_hostname") and (k!="rest_port"): |
| self.set_tenant_attr(obj, k, v) |
| elif k.startswith("component_config"): |
| self.set_tenant_attr(obj, k, v) |
| elif k == "autogenerate": |
| self.set_tenant_attr(obj, k, v) |
| |
| # subscriber_service is optional and can be any service |
| subscriber_name = self.get_requirement("tosca.relationships.UsedByService", throw_exception=False) |
| if subscriber_name: |
| sub_serv = self.get_xos_object(Service, throw_exception=True, name=subscriber_name) |
| existing_links = ServiceInstanceLink.objects.filter(provider_service_instance_id = obj.id, subscriber_service_id = sub_serv.id) |
| if not existing_links: |
| link = ServiceInstanceLink(provider_service_instance = obj, subscriber_service = sub_serv) |
| link.save() |
| |
| def can_delete(self, obj): |
| return super(XOSONOSApp, self).can_delete(obj) |