diff --git a/functions b/functions
index 11f7d50..3c7dabf 100644
--- a/functions
+++ b/functions
@@ -562,6 +562,9 @@
 #   **ceilometer** returns true if any service enabled start with **ceilometer**
 #   **glance** returns true if any service enabled start with **g-**
 #   **quantum** returns true if any service enabled start with **q-**
+#   **swift** returns true if any service enabled start with **s-**
+#   For backward compatibility if we have **swift** in ENABLED_SERVICES all the
+#   **s-** services will be enabled. This will be deprecated in the future.
 #
 # Uses global ``ENABLED_SERVICES``
 # is_service_enabled service [service ...]
@@ -574,6 +577,8 @@
         [[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && return 0
         [[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && return 0
         [[ ${service} == "quantum" && ${ENABLED_SERVICES} =~ "q-" ]] && return 0
+        [[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && return 0
+        [[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && return 0
     done
     return 1
 }