MINOR: contrib/prometheus-exporter: improve service status description field

Since we changed the behaviour of this metric, improve the description
to better explain what is the meaning of the new gauge value; it also
reflects the description we did for health check status.

Signed-off-by: William Dauchy <wdauchy@gmail.com>

diff --git a/contrib/prometheus-exporter/service-prometheus.c b/contrib/prometheus-exporter/service-prometheus.c
index df9c7cfdf293c8e0e2dbf09c37b9d0ddb78c5e57..cda557e0786430745258f324b3ba5d8dafbbded6 100644 (file)
--- a/contrib/prometheus-exporter/service-prometheus.c
+++ b/contrib/prometheus-exporter/service-prometheus.c
@@ -301,7 +301,7 @@ const struct ist promex_st_metric_desc[ST_F_TOTAL_FIELDS] = {
        [ST_F_ERESP]          = IST("Total number of response errors."),
        [ST_F_WRETR]          = IST("Total number of retry warnings."),
        [ST_F_WREDIS]         = IST("Total number of redispatch warnings."),
-       [ST_F_STATUS]         = IST("Current status of the service."),
+       [ST_F_STATUS]         = IST("Current status of the service, per state label value."),
        [ST_F_WEIGHT]         = IST("Service weight."),
        [ST_F_ACT]            = IST("Current number of active servers."),
        [ST_F_BCK]            = IST("Current number of backup servers."),