Initial commit of PassiveTest

Change-Id: Idcd9a0c72df5eae6b4eedc544e473ebc9763ccdb
(cherry picked from commit 9062322cffd03d2c56b66d040ad13bc562bb6544)
diff --git a/xos/tosca/resources/passivetesttenant.py b/xos/tosca/resources/passivetesttenant.py
new file mode 100644
index 0000000..84ac28f
--- /dev/null
+++ b/xos/tosca/resources/passivetesttenant.py
@@ -0,0 +1,29 @@
+from core.models import Tenant, Service
+from services.passivetest.models import PassiveTestTenant
+
+from xosresource import XOSResource
+
+class XOSPassiveTestTenant(XOSResource):
+    provides = "tosca.nodes.PassiveTestTenant"
+    xos_model = PassiveTestTenant
+    name_field = "service_specific_id"
+    copyin_props = ("tenant_message",)
+
+    def get_xos_args(self, throw_exception=True):
+        args = super(XOSPassiveTestTenant, self).get_xos_args()
+
+        # PassiveTestTenant must always have a provider_service
+        provider_name = self.get_requirement("tosca.relationships.TenantOfService", throw_exception=True)
+        if provider_name:
+            args["provider_service"] = self.get_xos_object(Service, throw_exception=True, name=provider_name)
+
+        return args
+
+    def get_existing_objs(self):
+        args = self.get_xos_args(throw_exception=False)
+        return PassiveTestTenant.get_tenant_objects().filter(provider_service=args["provider_service"], service_specific_id=args["service_specific_id"])
+        return []
+
+    def can_delete(self, obj):
+        return super(XOSPassiveTestTenant, self).can_delete(obj)
+