add template parameters

model/alerting/condition.go

@@ -53,6 +53,9 @@ type ConditionResult struct {
 type ConditionResultItem struct {
 	GroupValues []string `json:"group_values"`
 	ConditionItem *ConditionItem `json:"condition_item"`
+	IssueTimestamp interface{} `json:"issue_timestamp"`
+	ResultValue interface{} `json:"result_value"` //满足条件最后一个值
+	RelationValues map[string]interface{} `json:"relation_values"`
 }
 
 type Severity string

model/alerting/rule.go

@@ -74,3 +74,7 @@ func (tr *TimeRange) Include( t time.Time) bool {
 	currentTimeStr := t.Format("15:04")
 	return tr.Start <= currentTimeStr && currentTimeStr <= tr.End
 }
+
+//ctx
+//rule expression, rule_id, resource_id, resource_name, event_id, condition_name, preset_value,[group_tags, check_values],
+//check_status ,timestamp,

plugin/api/alerting/api.go

@@ -35,6 +35,7 @@ func (alert *AlertAPI) Init() {
 	api.HandleAPIMethod(api.GET, "/alerting/alert/_search", alert.searchAlert)
 	api.HandleAPIMethod(api.GET, "/alerting/alert/:alert_id", alert.getAlert)
 	api.HandleAPIMethod(api.POST, "/alerting/alert/_acknowledge", alert.acknowledgeAlert)
+	api.HandleAPIMethod(api.GET, "/alerting/template/parameters", alert.getTemplateParams)
 
 
 	//just for test

plugin/api/alerting/rule.go

@@ -442,6 +442,12 @@ func checkResourceExists(rule *alerting.Rule) (bool, error) {
 	}
 }
 
+func (alertAPI *AlertAPI) getTemplateParams(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
+	alertAPI.WriteJSON(w, util.MapStr{
+		"template_params": alerting2.GetTemplateParameters(),
+	}, http.StatusOK)
+}
+
 //func (alertAPI *AlertAPI) testRule(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
 //	rule := alerting.Rule{
 //		ID: util.GetUUID(),

service/alerting/constants.go

@@ -9,3 +9,22 @@ const (
 	KVLastTermStartTime = "alert_last_term_start_time"
 	KVLastEscalationTime = "alert_last_escalation_time"
 )
+
+
+const (
+	ParamRuleID         = "rule_id"       //规则 UUID
+	ParamResourceID     = "resource_id"   // 资源 UUID
+	ParamResourceName   = "resource_name" // 资源名称 如集群名称 es-v714
+	ParamEventID        = "event_id"      // 检查事件 ID
+	ParamResults        = "results"    //
+	ParamMessage        = "message"       //检查消息 自定义
+	ParamPresetValue    = "preset_value"  //检查预设值 float64
+	ParamResultValue    = "result_value"  //检查结果 {group_tags:["cluster-xxx", "node-xxx"], check_values:[]}
+	ParamStatus         = "status"        //状态
+	ParamTimestamp      = "timestamp"     //事件产生时间戳
+	ParamGroupValues    = "group_values"
+	ParamIssueTimestamp = "issue_timestamp"
+	ParamRelationValues = "relation_values"
+//rule expression, rule_id, resource_id, resource_name, event_id, condition_name, preset_value,[group_tags, check_values],
+//check_status ,timestamp,
+)

service/alerting/elasticsearch/engine.go

@@ -9,9 +9,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/Knetic/govaluate"
-	"github.com/buger/jsonparser"
 	log "github.com/cihub/seelog"
-	"github.com/valyala/fasttemplate"
 	"infini.sh/console/model/alerting"
 	alerting2 "infini.sh/console/service/alerting"
 	"infini.sh/console/service/alerting/action"
@@ -19,12 +17,12 @@ import (
 	"infini.sh/framework/core/kv"
 	"infini.sh/framework/core/orm"
 	"infini.sh/framework/core/util"
-	"io"
 	"math"
 	"runtime/debug"
 	"sort"
 	"strconv"
 	"strings"
+	"text/template"
 	"time"
 )
 
@@ -365,42 +363,33 @@ func (engine *Engine) ExecuteQuery(rule *alerting.Rule)(*alerting.QueryResult, e
 	queryResult.MetricData = metricData
 	return queryResult, nil
 }
-//CheckCondition check whether rule conditions triggered or not
+func (engine *Engine) GetTargetMetricData(rule *alerting.Rule)([]alerting.MetricData, error){
-//if triggered returns an array of ConditionResult
-//sort conditions by severity desc  before check , and then if condition is true, then continue check another group
-func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionResult, error){
 	queryResult, err := engine.ExecuteQuery(rule)
-	conditionResult := &alerting.ConditionResult{
-		QueryResult: queryResult,
-	}
 	if err != nil {
-		return conditionResult, err
+		return nil, err
 	}
-
-	var resultItems []alerting.ConditionResultItem
 	var targetMetricData []alerting.MetricData
 	for _, md := range queryResult.MetricData {
 		var targetData alerting.MetricData
 		if len(rule.Metrics.Items) == 1 {
 			targetData = md
-		}else{
+		} else {
 			targetData = alerting.MetricData{
 				GroupValues: md.GroupValues,
-				Data: map[string][]alerting.TimeMetricData{},
+				Data:        map[string][]alerting.TimeMetricData{},
 			}
 			expression, err := govaluate.NewEvaluableExpression(rule.Metrics.Formula)
 			if err != nil {
-				return conditionResult, err
+				return nil, err
 			}
 			dataLength := 0
 			for _, v := range md.Data {
 				dataLength = len(v)
 				break
 			}
-			DataLoop:
+		DataLoop:
 			for i := 0; i < dataLength; i++ {
-				parameters := map[string]interface{}{
+				parameters := map[string]interface{}{}
-				}
 				var timestamp interface{}
 				for k, v := range md.Data {
 					if len(k) == 20 {
@@ -418,10 +407,11 @@ func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionRes
 				}
 				result, err := expression.Evaluate(parameters)
 				if err != nil {
-					return conditionResult, err
+					return nil, err
 				}
 				if r, ok := result.(float64); ok {
-					if math.IsNaN(r) || math.IsInf(r, 0){
+					if math.IsNaN(r) || math.IsInf(r, 0 ){
+						targetData.Data["result"] = append(targetData.Data["result"], []interface{}{timestamp, math.NaN()})
 						continue
 					}
 				}
@@ -430,9 +420,32 @@ func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionRes
 			}
 		}
 		targetMetricData = append(targetMetricData, targetData)
-		sort.Slice(rule.Conditions.Items, func(i, j int) bool {
+	}
-			return alerting.SeverityWeights[rule.Conditions.Items[i].Severity] > alerting.SeverityWeights[rule.Conditions.Items[j].Severity]
+	return targetMetricData, nil
-		})
+}
+//CheckCondition check whether rule conditions triggered or not
+//if triggered returns an array of ConditionResult
+//sort conditions by severity desc  before check , and then if condition is true, then continue check another group
+func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionResult, error){
+	queryResult, err := engine.ExecuteQuery(rule)
+	conditionResult := &alerting.ConditionResult{
+		QueryResult: queryResult,
+	}
+	if err != nil {
+		return conditionResult, err
+	}
+
+	var resultItems []alerting.ConditionResultItem
+	targetMetricData, err := engine.GetTargetMetricData(rule)
+	if err != nil {
+		return nil, err
+	}
+	for idx, targetData := range targetMetricData {
+		if idx == 0 {
+			sort.Slice(rule.Conditions.Items, func(i, j int) bool {
+				return alerting.SeverityWeights[rule.Conditions.Items[i].Severity] > alerting.SeverityWeights[rule.Conditions.Items[j].Severity]
+			})
+		}
 		LoopCondition:
 		for _, cond := range rule.Conditions.Items {
 			conditionExpression, err := cond.GenerateConditionExpression()
@@ -451,6 +464,11 @@ func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionRes
 			}
 			triggerCount := 0
 			for i := 0; i < dataLength; i++ {
+				if r, ok :=  targetData.Data[dataKey][i][1].(float64); ok {
+					if math.IsNaN(r){
+						continue
+					}
+				}
 				evaluateResult, err := expression.Evaluate(map[string]interface{}{
 					"result": targetData.Data[dataKey][i][1],
 				})
@@ -464,10 +482,17 @@ func (engine *Engine) CheckCondition(rule *alerting.Rule)(*alerting.ConditionRes
 				}
 				if triggerCount >= cond.MinimumPeriodMatch {
 					log.Debugf("triggered condition  %v, groups: %v\n", cond, targetData.GroupValues)
-					resultItems = append(resultItems, alerting.ConditionResultItem{
+					resultItem := alerting.ConditionResultItem{
 						GroupValues: targetData.GroupValues,
 						ConditionItem: &cond,
-					})
+						ResultValue: targetData.Data[dataKey][i][1],
+						IssueTimestamp: targetData.Data[dataKey][i][0],
+						RelationValues: map[string]interface{}{},
+					}
+					for _, metric := range rule.Metrics.Items{
+						resultItem.RelationValues[metric.Name] = queryResult.MetricData[idx].Data[metric.Name][i][1]
+					}
+					resultItems = append(resultItems, resultItem)
 					break LoopCondition
 				}
 			}
@@ -583,9 +608,10 @@ func (engine *Engine) Do(rule *alerting.Rule) error {
 		period := time.Now().Sub(rule.LastNotificationTime.Local())
 
 		//log.Error(lastAlertItem.ID, period, periodDuration)
+		paramsCtx := newParameterCtx(rule, checkResults,alertItem.ID, alertItem.Created.Format(time.RFC3339))
 
 		if lastAlertItem.ID == "" || period > periodDuration {
-			actionResults := performChannels(rule.Channels.Normal, conditionResults)
+			actionResults := performChannels(rule.Channels.Normal, paramsCtx)
 			alertItem.ActionExecutionResults = actionResults
 			//todo init last notification time when create task (by last alert item is notified)
 			rule.LastNotificationTime = time.Now()
@@ -624,7 +650,7 @@ func (engine *Engine) Do(rule *alerting.Rule) error {
 					}
 				}
 				if time.Now().Sub(rule.LastEscalationTime.Local()) > periodDuration {
-					actionResults := performChannels(rule.Channels.Escalation, conditionResults)
+					actionResults := performChannels(rule.Channels.Escalation, paramsCtx)
 					alertItem.ActionExecutionResults = append(alertItem.ActionExecutionResults, actionResults...)
 					//todo init last escalation time when create task (by last alert item is escalated)
 					rule.LastEscalationTime = time.Now()
@@ -639,39 +665,52 @@ func (engine *Engine) Do(rule *alerting.Rule) error {
 	return nil
 }
 
+func newParameterCtx(rule *alerting.Rule, checkResults *alerting.ConditionResult, eventID string, eventTimestamp interface{} ) map[string]interface{}{
+	var conditionParams []util.MapStr
+	for _, resultItem := range checkResults.ResultItems {
+		conditionParams = append(conditionParams, util.MapStr{
+			alerting2.ParamMessage: resultItem.ConditionItem.Message,
+			alerting2.ParamPresetValue: resultItem.ConditionItem.Values,
+			alerting2.ParamStatus: resultItem.ConditionItem.Severity,
+			alerting2.ParamGroupValues: resultItem.GroupValues,
+			alerting2.ParamIssueTimestamp: resultItem.IssueTimestamp,
+			alerting2.ParamResultValue: resultItem.ResultValue,
+			alerting2.ParamRelationValues: resultItem.RelationValues,
+		})
+	}
+	paramsCtx := util.MapStr{
+		alerting2.ParamRuleID:       rule.ID,
+		alerting2.ParamResourceID:   rule.Resource.ID,
+		alerting2.ParamResourceName: rule.Resource.Name,
+		alerting2.ParamEventID:      eventID,
+		alerting2.ParamTimestamp:    eventTimestamp,
+		alerting2.ParamResults:      conditionParams,
+	}
+	return paramsCtx
+}
+
 func (engine *Engine) Test(rule *alerting.Rule) ([]alerting.ActionExecutionResult, error) {
 	checkResults, err := engine.CheckCondition(rule)
 	if err != nil {
 		return nil, fmt.Errorf("check condition error:%w", err)
 	}
-	conditionResults := checkResults.ResultItems
 	var actionResults []alerting.ActionExecutionResult
+	paramsCtx := newParameterCtx(rule, checkResults, util.GetUUID(), time.Now().Format(time.RFC3339))
 	if len(rule.Channels.Normal) > 0 {
-		actionResults = performChannels(rule.Channels.Normal, conditionResults)
+		actionResults = performChannels(rule.Channels.Normal, paramsCtx)
 	}else if len(rule.Channels.Escalation) > 0{
-		actionResults = performChannels(rule.Channels.Escalation, conditionResults)
+		actionResults = performChannels(rule.Channels.Escalation, paramsCtx)
 	}else{
 		return nil, fmt.Errorf("no useable channel")
 	}
 	return actionResults, nil
 }
 
-func performChannels(channels []alerting.Channel, conditionResults []alerting.ConditionResultItem) []alerting.ActionExecutionResult {
+func performChannels(channels []alerting.Channel, ctx map[string]interface{}) []alerting.ActionExecutionResult {
-	var message string
+
-	for _, conditionResult := range conditionResults {
-		message += fmt.Sprintf("severity: %s\t message:%s\t groups:%v\t timestamp: %v;", conditionResult.ConditionItem.Severity, conditionResult.ConditionItem.Message, conditionResult.GroupValues, time.Now())
-	}
-	if message == ""{
-		message = "normal"
-	}
-	ctx := util.MapStr{
-		"ctx": util.MapStr{
-			"message": message,
-		},
-	}
 	var actionResults []alerting.ActionExecutionResult
 	for _, channel := range channels {
-		resBytes, err := performChannel(&channel, util.MustToJSONBytes(ctx))
+		resBytes, err := performChannel(&channel, ctx)
 		var errStr string
 		if err != nil {
 			errStr = err.Error()
@@ -685,22 +724,29 @@ func performChannels(channels []alerting.Channel, conditionResults []alerting.Co
 	return actionResults
 }
 
-func resolveMessage(messageTemplate string, ctx []byte) ([]byte, error){
+func resolveMessage(messageTemplate string, ctx map[string]interface{}) ([]byte, error){
 	msg :=  messageTemplate
-	tpl := fasttemplate.New(msg, "{{", "}}")
+	//tpl := fasttemplate.New(msg, "{{", "}}")
-	msgBuffer := bytes.NewBuffer(nil)
+	//msgBuffer := bytes.NewBuffer(nil)
-	_, err := tpl.ExecuteFunc(msgBuffer, func(writer io.Writer, tag string)(int, error){
+	//_, err := tpl.ExecuteFunc(msgBuffer, func(writer io.Writer, tag string)(int, error){
-		keyParts := strings.Split(tag,".")
+	//	keyParts := strings.Split(tag,".")
-		value, _, _, err := jsonparser.Get(ctx, keyParts...)
+	//	value, _, _, err := jsonparser.Get(ctx, keyParts...)
-		if err != nil {
+	//	if err != nil {
-			return 0, err
+	//		return 0, err
-		}
+	//	}
-		return writer.Write(value)
+	//	return writer.Write(value)
-	})
+	//})
+	//return msgBuffer.Bytes(), err
+	tmpl, err := template.New("alert-message").Parse(msg)
+	if err !=nil {
+		return nil, fmt.Errorf("parse message temlate error: %w", err)
+	}
+	msgBuffer := &bytes.Buffer{}
+	err = tmpl.Execute(msgBuffer, ctx)
 	return msgBuffer.Bytes(), err
 }
 
-func performChannel(channel *alerting.Channel, ctx []byte) ([]byte, error) {
+func performChannel(channel *alerting.Channel, ctx map[string]interface{}) ([]byte, error) {
 	var act action.Action
 	switch channel.Type {
 

service/alerting/parameter.go

@@ -0,0 +1,32 @@
+/* Copyright © INFINI Ltd. All rights reserved.
+ * web: https://infinilabs.com
+ * mail: hello#infini.ltd */
+
+package alerting
+
+type ParameterMeta struct {
+	Name string                   `json:"name"`
+	Type string                   `json:"type"` //int, float, string, date, array, object
+	Description string            `json:"description"`
+	Eg         string          `json:"eg,omitempty"`
+	Properties []ParameterMeta `json:"properties,omitempty"`
+}
+
+func GetTemplateParameters() []ParameterMeta {
+	return []ParameterMeta{
+		{ParamRuleID, "string", "rule uuid", "c9f663tath2e5a0vksjg", nil},
+		{ParamResourceID, "string", "resource uuid", "c9f663tath2e5a0vksjg", nil},
+		{ParamResourceName, "string", "resource name", "es-v716", nil},
+		{ParamEventID, "string", "identifier for check details", "c9f663tath2e5a0vksjx", nil},
+		{ParamResults, "array", "", "", []ParameterMeta{
+			{ParamMessage, "string", "", "disk used 90%", nil},
+			{ParamPresetValue, "float", "", "", nil},
+			{ParamStatus, "string", "", "error", nil},
+			{ParamGroupValues, "array", "", "[\"cluster-xxx\", \"node-xxx\"]", nil},
+			{ParamIssueTimestamp, "date", "", "1652184211252", nil},
+			{ParamResultValue, "float", "", "91.2", nil},
+			{ParamRelationValues, "map", "", "{a:100, b:91.2}", nil},
+		}},
+		{ParamTimestamp, "date", "", "", nil},
+	}
+}