Fix prometheus_rule_group_last_evaluation_timestamp_seconds
It should be a unix timestamp, not the seconds in the minute.
@@ -385,7 +385,7 @@ func (g *Group) GetEvaluationTimestamp() time.Time {
// setEvaluationTimestamp updates evaluationTimestamp to the timestamp of when the rule group was last evaluated.
func (g *Group) setEvaluationTimestamp(ts time.Time) {
- g.metrics.groupLastEvalTime.WithLabelValues(groupKey(g.file, g.name)).Set(float64(ts.Second()))
+ g.metrics.groupLastEvalTime.WithLabelValues(groupKey(g.file, g.name)).Set(float64(ts.UnixNano()) / 1e9)
g.mtx.Lock()
defer g.mtx.Unlock()
