@@ -16,6 +16,10 @@ source ${FUNC_DIR}/functions-common

 XTRACE=$(set +o | grep xtrace)

 set +o xtrace

+# Check if a function already exists

+function function_exists {

+    declare -f -F $1 > /dev/null

+}

 # Checks if installed Apache is <= given version

 # $1 = x.y.z (version string of Apache)

@@ -527,6 +531,20 @@ function setup_colorized_logging {

     iniset $conf_file $conf_section logging_exception_prefix "%(color)s%(asctime)s.%(msecs)03d TRACE %(name)s %(instance)s"

 }

+# These functions are provided for basic fall-back functionality for

+# projects that include parts of devstack (grenade).  stack.sh will

+# override these with more specific versions for devstack (with fancy

+# spinners, etc).  We never override an existing version

+if ! function_exists echo_summary; then

+    function echo_summary {

+        echo $@

+    }

+fi

+if ! function_exists echo_nolog; then

+    function echo_nolog {

+        echo $@

+    }

+fi

 # Restore xtrace

 $XTRACE