feat: add keepFiringFor to alert rule group (#2117)

Author: theSuess

api/v1beta1/grafanaalertrulegroup_types.go

@@ -89,6 +89,11 @@ type AlertRule struct {
 	// The number of missing series evaluations that must occur before the rule is considered to be resolved.
 	MissingSeriesEvalsToResolve *int64 `json:"missingSeriesEvalsToResolve,omitempty"`
 
+	// +kubebuilder:validation:Type=string
+	// +kubebuilder:validation:Format=duration
+	// +kubebuilder:validation:Pattern="^([0-9]+(\\.[0-9]+)?(ns|us|µs|ms|s|m|h))+$"
+	KeepFiringFor *metav1.Duration `json:"keepFiringFor,omitempty"`
+
 	Record *Record `json:"record,omitempty"`
 
 	// +kubebuilder:validation:MinLength=1

api/v1beta1/zz_generated.deepcopy.go

@@ -199,6 +199,10 @@ spec:
                       type: string
                     isPaused:
                       type: boolean
+                    keepFiringFor:
+                      format: duration
+                      pattern: ^([0-9]+(\.[0-9]+)?(ns|us|µs|ms|s|m|h))+$
+                      type: string
                     labels:
                       additionalProperties:
                         type: string

config/crd/bases/grafana.integreatly.org_grafanaalertrulegroups.yaml

@@ -199,6 +199,10 @@ func crToModel(cr *grafanav1beta1.GrafanaAlertRuleGroup, folderUID string) model
 			}
 		}
 
+		if r.KeepFiringFor != nil {
+			apiRule.KeepFiringFor = (strfmt.Duration)(r.KeepFiringFor.Duration)
+		}
+
 		mRules = append(mRules, apiRule)
 	}
 

controllers/alertrulegroup_controller.go

@@ -199,6 +199,10 @@ spec:
                       type: string
                     isPaused:
                       type: boolean
+                    keepFiringFor:
+                      format: duration
+                      pattern: ^([0-9]+(\.[0-9]+)?(ns|us|µs|ms|s|m|h))+$
+                      type: string
                     labels:
                       additionalProperties:
                         type: string

deploy/helm/grafana-operator/crds/grafana.integreatly.org_grafanaalertrulegroups.yaml

@@ -198,6 +198,10 @@ spec:
                       type: string
                     isPaused:
                       type: boolean
+                    keepFiringFor:
+                      format: duration
+                      pattern: ^([0-9]+(\.[0-9]+)?(ns|us|µs|ms|s|m|h))+$
+                      type: string
                     labels:
                       additionalProperties:
                         type: string

deploy/kustomize/base/crds.yaml

@@ -365,6 +365,15 @@ AlertRule defines a specific rule to be evaluated. It is based on the upstream m
           <br/>
         </td>
         <td>false</td>
+      </tr><tr>
+        <td><b>keepFiringFor</b></td>
+        <td>string</td>
+        <td>
+          <br/>
+          <br/>
+            <i>Format</i>: duration<br/>
+        </td>
+        <td>false</td>
       </tr><tr>
         <td><b>labels</b></td>
         <td>map[string]string</td>