Updates to rally docker file

  Related-PROD: PROD-36128

Change-Id: I11463370aa1a5b3e51a15f000c7a947010e03044
diff --git a/k8s/rally-files/init-rally-openstack.sh b/k8s/rally-files/init-rally-openstack.sh
new file mode 100644
index 0000000..7f640a5
--- /dev/null
+++ b/k8s/rally-files/init-rally-openstack.sh
@@ -0,0 +1,6 @@
+#!/bin/bash
+cd /artifacts
+
+# Create openstack env
+rally env create --from-sysenv --name openstack
+rally env check