CORD-2082 add legacy tosca resource for ServiceInstance/Tenant
Change-Id: I9f6e5eb8157a3e3d284db428152dff4655c1177d
diff --git a/xos/tosca/resources/serviceinstance.py b/xos/tosca/resources/serviceinstance.py
new file mode 100644
index 0000000..7b0babf
--- /dev/null
+++ b/xos/tosca/resources/serviceinstance.py
@@ -0,0 +1,68 @@
+
+# Copyright 2017-present Open Networking Foundation
+#
+# 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 core.models import User, ServiceInstanceLink, Service, ServiceInstance
+
+from xosresource import XOSResource
+
+class XOSServiceInstance(XOSResource):
+ provides = ["tosca.nodes.Tenant", "tosca.nodes.ServiceInstance"]
+ xos_model = ServiceInstance
+ copyin_props = ["service_specific_id"]
+
+ def get_xos_args(self, throw_exception=True):
+ args = super(XOSServiceInstance, self).get_xos_args()
+
+ provider_name = self.get_requirement("tosca.relationships.MemberOfService", throw_exception=throw_exception)
+ if provider_name:
+ args["owner"] = self.get_xos_object(Service, throw_exception=throw_exception, name=provider_name)
+
+ return args
+
+ def get_existing_objs(self):
+ args = self.get_xos_args(throw_exception=False)
+ provider_service = args.get("owner", None)
+ service_specific_id = args.get("service_specific_id", None)
+ if (provider_service) and (service_specific_id):
+ existing_obj = self.get_xos_object(ServiceInstance, owner=provider_service, service_specific_id=service_specific_id, throw_exception=False)
+ if existing_obj:
+ return [ existing_obj ]
+ return []
+
+ def postprocess(self, obj):
+ subscriber_name = self.get_requirement("tosca.relationships.BelongsToSubscriber")
+ if subscriber_name:
+ subscriber = self.get_xos_object(ServiceInstance, throw_exception=True, name=subscriber_name)
+
+ links = ServiceInstanceLink.objects.filter(provider_service_instance = obj,
+ subscriber_service_instance = subscriber)
+ if not links:
+ link = ServiceInstanceLink(provider_service_instance = obj, subscriber_service_instance = subscriber)
+ link.save()
+
+ tenant_name = self.get_requirement("tosca.relationships.BelongsToTenant")
+ if tenant_name:
+ tenant = self.get_xos_object(ServiceInstance, throw_exception=True, name=tenant_name)
+ links = ServiceInstanceLink.objects.filter(provider_service_instance = obj,
+ subscriber_service_instance = tenant)
+ if not links:
+ link = ServiceInstanceLink(provider_service_instance = obj, subscriber_service_instance = tenant)
+ link.save()
+
+
+
+ def can_delete(self, obj):
+ return super(XOSServiceInstance, self).can_delete(obj)