Add dd_rally scenarios
diff --git a/rally/dd_rally.json b/rally/dd_rally.json
new file mode 100644
index 0000000..a3db957
--- /dev/null
+++ b/rally/dd_rally.json
@@ -0,0 +1,42 @@
+{% set flavor_name = flavor_name or "m1.medium" %}
+{% set image_name = image_name or "Ubuntu1404" %}
+{% set ext_net_name = "floating" %}
+{% set script_file = script_file or "cvp-configuration/rally/instance_test.sh" %}
+{
+    "VMTasks.boot_runcommand_delete": [
+        {
+            "args": {
+                "flavor": {
+                    "name": "{{flavor_name}}"
+                },
+                "image": {
+                    "name": "{{image_name}}"
+                },
+                "volume_args": {
+                    "size": 10
+                },
+                "floating_network": "{{ext_net_name}}",
+                "use_floating_ip": true,
+                "wait_for_ping": false,
+                "force_delete": false,
+                "command": {
+                    "interpreter": "/bin/sh",
+                    "script_file": "{{script_file}}"
+                },
+                "username": "ubuntu"
+            },
+            "runner": {
+                "type": "constant",
+                "times": 1,
+                "concurrency": 1
+            },
+            "context": {
+                "users": {
+                    "tenants": 1,
+                    "users_per_tenant": 1
+                },
+                "network": {}
+            }
+        }
+    ]
+}