[ONOS-7480] Add swagger API doc of openstack node module

Change-Id: I7a7e387d970d08ed280fd6cb10ccfe40cc369dfc
diff --git a/apps/openstacknode/app/src/main/resources/definitions/OpenstackNode.json b/apps/openstacknode/app/src/main/resources/definitions/OpenstackNode.json
new file mode 100644
index 0000000..8ac64e3
--- /dev/null
+++ b/apps/openstacknode/app/src/main/resources/definitions/OpenstackNode.json
@@ -0,0 +1,45 @@
+{
+  "type": "array",
+  "items": {
+    "type": "object",
+    "required": [
+      "hostname",
+      "type",
+      "managementIp",
+      "dataIp",
+      "uplinkPort",
+      "integrationBridge",
+      "vlanPort"
+    ],
+    "properties": {
+      "hostname": {
+        "type": "string",
+        "example": "host1"
+      },
+      "type": {
+        "type": "string",
+        "example": "GATEWAY"
+      },
+      "managementIp": {
+        "type": "string",
+        "example": "10.10.10.1"
+      },
+      "dataIp": {
+        "type": "string",
+        "example": "20.20.20.2"
+      },
+      "uplinkPort": {
+        "type": "string",
+        "example": "2"
+      },
+      "integrationBridge": {
+        "type": "string",
+        "example": "of:0000000000000001"
+      },
+      "vlanPort": {
+        "type": "string",
+        "example": "1"
+      }
+    }
+  }
+}
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