Include keepFiringFor and keepFiringSince in API response

Signed-off-by: Mustafain Ali Khan <[email protected]>

Author: mustafain117

pkg/ruler/api.go

@@ -46,11 +46,12 @@ type AlertDiscovery struct {
 
 // Alert has info for an alert.
 type Alert struct {
-	Labels      labels.Labels `json:"labels"`
-	Annotations labels.Labels `json:"annotations"`
-	State       string        `json:"state"`
-	ActiveAt    *time.Time    `json:"activeAt"`
-	Value       string        `json:"value"`
+	Labels          labels.Labels `json:"labels"`
+	Annotations     labels.Labels `json:"annotations"`
+	State           string        `json:"state"`
+	ActiveAt        *time.Time    `json:"activeAt"`
+	KeepFiringSince *time.Time    `json:"keepFiringSince"`
+	Value           string        `json:"value"`
 }
 
 // RuleDiscovery has info for all rules
@@ -80,6 +81,7 @@ type alertingRule struct {
 	Name           string        `json:"name"`
 	Query          string        `json:"query"`
 	Duration       float64       `json:"duration"`
+	KeepFiringFor  float64       `json:"keepFiringFor"`
 	Labels         labels.Labels `json:"labels"`
 	Annotations    labels.Labels `json:"annotations"`
 	Alerts         []*Alert      `json:"alerts"`
@@ -211,13 +213,17 @@ func (a *API) PrometheusRules(w http.ResponseWriter, req *http.Request) {
 			if g.ActiveRules[i].Rule.Alert != "" {
 				alerts := make([]*Alert, 0, len(rl.Alerts))
 				for _, a := range rl.Alerts {
-					alerts = append(alerts, &Alert{
+					alert := &Alert{
 						Labels:      cortexpb.FromLabelAdaptersToLabels(a.Labels),
 						Annotations: cortexpb.FromLabelAdaptersToLabels(a.Annotations),
 						State:       a.GetState(),
 						ActiveAt:    &a.ActiveAt,
 						Value:       strconv.FormatFloat(a.Value, 'e', -1, 64),
-					})
+					}
+					if !a.KeepFiringSince.IsZero() {
+						alert.KeepFiringSince = &a.KeepFiringSince
+					}
+					alerts = append(alerts, alert)
 				}
 				grp.Rules[i] = alertingRule{
 					State:          rl.GetState(),
@@ -232,6 +238,7 @@ func (a *API) PrometheusRules(w http.ResponseWriter, req *http.Request) {
 					LastEvaluation: rl.GetEvaluationTimestamp(),
 					EvaluationTime: rl.GetEvaluationDuration().Seconds(),
 					Type:           v1.RuleTypeAlerting,
+					KeepFiringFor:  rl.Rule.KeepFiringFor.Seconds(),
 				}
 			} else {
 				grp.Rules[i] = recordingRule{
@@ -296,13 +303,17 @@ func (a *API) PrometheusAlerts(w http.ResponseWriter, req *http.Request) {
 		for _, rl := range g.ActiveRules {
 			if rl.Rule.Alert != "" {
 				for _, a := range rl.Alerts {
-					alerts = append(alerts, &Alert{
+					alert := &Alert{
 						Labels:      cortexpb.FromLabelAdaptersToLabels(a.Labels),
 						Annotations: cortexpb.FromLabelAdaptersToLabels(a.Annotations),
 						State:       a.GetState(),
 						ActiveAt:    &a.ActiveAt,
 						Value:       strconv.FormatFloat(a.Value, 'e', -1, 64),
-					})
+					}
+					if !a.KeepFiringSince.IsZero() {
+						alert.KeepFiringSince = &a.KeepFiringSince
+					}
+					alerts = append(alerts, alert)
 				}
 			}
 		}

pkg/ruler/ruler.go

@@ -829,15 +829,16 @@ func (r *Ruler) getLocalRules(userID string, rulesRequest RulesRequest) ([]*Grou
 				alerts := []*AlertStateDesc{}
 				for _, a := range rule.ActiveAlerts() {
 					alerts = append(alerts, &AlertStateDesc{
-						State:       a.State.String(),
-						Labels:      cortexpb.FromLabelsToLabelAdapters(a.Labels),
-						Annotations: cortexpb.FromLabelsToLabelAdapters(a.Annotations),
-						Value:       a.Value,
-						ActiveAt:    a.ActiveAt,
-						FiredAt:     a.FiredAt,
-						ResolvedAt:  a.ResolvedAt,
-						LastSentAt:  a.LastSentAt,
-						ValidUntil:  a.ValidUntil,
+						State:           a.State.String(),
+						Labels:          cortexpb.FromLabelsToLabelAdapters(a.Labels),
+						Annotations:     cortexpb.FromLabelsToLabelAdapters(a.Annotations),
+						Value:           a.Value,
+						ActiveAt:        a.ActiveAt,
+						FiredAt:         a.FiredAt,
+						ResolvedAt:      a.ResolvedAt,
+						LastSentAt:      a.LastSentAt,
+						ValidUntil:      a.ValidUntil,
+						KeepFiringSince: a.KeepFiringSince,
 					})
 				}
 				ruleDesc = &RuleStateDesc{