diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 701d37fd03..dd5a15e24d 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -383,9 +383,9 @@ if is_service_enabled ceilometer; then
         start_ceilometer
     elif [[ "$1" == "stack" && "$2" == "test-config" ]]; then
         iniset $TEMPEST_CONFIG telemetry alarm_granularity $CEILOMETER_ALARM_GRANULARITY
-        iniset $TEMPEST_CONFIG telemetry alarm_threshold 10000000
-        iniset $TEMPEST_CONFIG telemetry alarm_metric_name cpu
-        iniset $TEMPEST_CONFIG telemetry alarm_aggregation_method rate:mean
+        iniset $TEMPEST_CONFIG telemetry alarm_threshold $CEILOMETER_ALARM_THRESHOLD
+        iniset $TEMPEST_CONFIG telemetry alarm_metric_name $CEILOMETER_ALARM_METRIC_NAME
+        iniset $TEMPEST_CONFIG telemetry alarm_aggregation_method $CEILOMETER_ALARM_AGGREGATION_METHOD
     fi
 
     if [[ "$1" == "unstack" ]]; then
diff --git a/devstack/settings b/devstack/settings
index 22da068ec2..f1dd237950 100644
--- a/devstack/settings
+++ b/devstack/settings
@@ -38,6 +38,9 @@ GNOCCHI_WSGI_DIR=${GNOCCHI_WSGI_DIR:-/var/www/gnocchi}
 # FIXME(sileht): put 300 by default to match the archive policy
 # when the gate job have overrided this.
 CEILOMETER_ALARM_GRANULARITY=${CEILOMETER_ALARM_GRANULARITY:-60}
+CEILOMETER_ALARM_AGGREGATION_METHOD=${CEILOMETER_ALARM_AGGREGATION_METHOD:-rate:mean}
+CEILOMETER_ALARM_METRIC_NAME=${CEILOMETER_ALARM_METRIC_NAME:-cpu}
+CEILOMETER_ALARM_THRESHOLD=${CEILOMETER_ALARM_THRESHOLD:-10000000}
 
 # To enable OSprofiler change value of this variable to "notifications,profiler"
 CEILOMETER_NOTIFICATION_TOPICS=${CEILOMETER_NOTIFICATION_TOPICS:-notifications}