feat(kapacitor): add option to set noRecoveries on alerts

kapacitor.go

@@ -5,6 +5,7 @@ import "encoding/json"
 // AlertNodes defines all possible kapacitor interactions with an alert.
 type AlertNodes struct {
 	IsStateChangesOnly bool          `json:"stateChangesOnly"` // IsStateChangesOnly will only send alerts on state changes.
+	IsNoRecoveries     bool          `json:"noRecoveries"`     // IsNoRecoveries will not send alerts when returning to OK state from other states.
 	UseFlapping        bool          `json:"useFlapping"`      // UseFlapping enables flapping detection. Flapping occurs when a service or host changes state too frequently, resulting in a storm of problem and recovery notification
 	Posts              []*Post       `json:"post"`             // HTTPPost  will post the JSON alert data to the specified URLs.
 	TCPs               []*TCP        `json:"tcp"`              // TCP  will send the JSON alert data to the specified endpoint via TCP.

kapacitor/triggers.go

@@ -119,6 +119,12 @@ func Trigger(rule chronograf.AlertRule) (string, error) {
 		`
 	}
 
+	if rule.AlertNodes.IsNoRecoveries {
+		trigger += `
+				.noRecoveries()
+		`
+	}
+
 	trigger += AllAlerts
 
 	if rule.Details != "" {

ui/src/kapacitor/actions/view/index.js

@@ -145,6 +145,14 @@ export const updateRuleValues = (ruleID, trigger, values) => ({
   },
 })
 
+export const updateNoRecoveries = (ruleID, noRecoveries) => ({
+  type: 'UPDATE_RULE_NORECOVERIES',
+  payload: {
+    ruleID,
+    noRecoveries,
+  },
+})
+
 export const updateMessage = (ruleID, message) => ({
   type: 'UPDATE_RULE_MESSAGE',
   payload: {

ui/src/kapacitor/components/RuleHandlers.tsx

@@ -19,6 +19,7 @@ interface HandlerWithText extends Handler {
 interface RuleActions {
   updateAlertNodes: (id: string, handlersOnThisAlert: Handler[]) => void
   updateMessage: (id: string, e: MouseEvent<HTMLInputElement>) => void
+  updateNoRecoveries: (id: string, noRecoveries: boolean) => void
   updateDetails: () => void
 }
 
@@ -121,8 +122,8 @@ class RuleHandlers extends PureComponent<Props, State> {
       : 'Add a Handler'
 
     const ruleSectionClassName = handlersOnThisAlert.length
-      ? 'rule-section--row rule-section--row-first rule-section--border-bottom'
+      ? 'rule-section--row rule-section--border-bottom'
-      : 'rule-section--row rule-section--row-first rule-section--row-last'
+      : 'rule-section--row rule-section--row-last'
 
     const selectedHandlerWithText: HandlerWithText = this.addNicknameText(
       selectedHandler
@@ -132,6 +133,18 @@ class RuleHandlers extends PureComponent<Props, State> {
       <div className="rule-section">
         <h3 className="rule-section--heading">Alert Handlers</h3>
         <div className="rule-section--body">
+          <div className="rule-section--row rule-section--row-first rule-section--border-bottom">
+            <div className="form-control-static handler-checkbox">
+              <input
+                name="noRecoveries"
+                id="noRecoveries"
+                type="checkbox"
+                defaultChecked={rule.alertNodes.noRecoveries}
+                onClick={this.handleNoRecoveries}
+              />
+              <label htmlFor="noRecoveries">Don't send alert on condition recovery</label>
+            </div>
+          </div>
           <div className={ruleSectionClassName}>
             <p>Send this Alert to:</p>
             <Dropdown
@@ -166,6 +179,11 @@ class RuleHandlers extends PureComponent<Props, State> {
     )
   }
 
+  private handleNoRecoveries = (e) {
+    const {ruleActions, rule} = this.props
+    ruleActions.updateNoRecoveries(rule.id, e.target.checked)
+  }
+
   private handleChooseHandler = (ep: HandlerWithText): (() => void) => () => {
     this.setState({selectedHandler: ep})
   }

ui/src/kapacitor/reducers/rules.js

@@ -76,6 +76,15 @@ export default function rules(state = {}, action) {
       })
     }
 
+    case 'UPDATE_RULE_NORECOVERIES': {
+      const {ruleID, noRecoveries} = action.payload
+      return Object.assign({}, state, {
+        [ruleID]: Object.assign({}, state[ruleID], {
+          alertNodes: {...state[ruleID].alertNodes, noRecoveries: noRecoveries}
+        }),
+      })
+    }
+
     case 'UPDATE_RULE_ALERT_NODES': {
       const {ruleID, alerts} = action.payload
       const alertNodesByType = {}

ui/src/types/kapacitor.ts

@@ -122,6 +122,7 @@ type TICKScript = string
 // AlertNodes defines all possible kapacitor interactions with an alert.
 interface AlertNodes {
   stateChangesOnly: boolean
+  noRecoveries: boolean
   useFlapping: boolean
   post: Post[]
   tcp: TCP[]