Feature 10996: Adds nslcmop_cancel to nbi.py and instance_topics.py

Change-Id: I1094c7537377ad31ed38012c4e49d8a3f31b274b
Signed-off-by: Gabriel Cuba <gcuba@whitestack.com>
diff --git a/osm_nbi/validation.py b/osm_nbi/validation.py
index 1bf597c..bfea112 100644
--- a/osm_nbi/validation.py
+++ b/osm_nbi/validation.py
@@ -641,6 +641,23 @@
     "additionalProperties": False,
 }
 
+nslcmop_cancel = {
+    "title": "Cancel nslcmop input schema",
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "properties": {
+        "nsLcmOpOccId": id_schema,
+        "cancelMode": {
+            "enum": [
+                "GRACEFUL",
+                "FORCEFUL",
+            ]
+        },
+    },
+    "required": ["cancelMode"],
+    "additionalProperties": False,
+}
+
 schema_version = {"type": "string", "enum": ["1.0"]}
 schema_type = {"type": "string"}
 vim_type = shortname_schema  # {"enum": ["openstack", "openvim", "vmware", "opennebula", "aws", "azure", "fos"]}