feat(alerting): new alerting model\

pkg/services/alerting/dashboard_parser.go

@@ -30,8 +30,8 @@ func ParseAlertsFromDashboard(cmd *m.SaveDashboardCommand) []*m.AlertRuleDAO {
 
 			log.Info("Alertrule: %v", alert.Name)
 
-			valueQuery := alerting.Get("valueQuery")
-			valueQueryRef := valueQuery.Get("queryRefId").MustString()
+			valueQuery := alerting.Get("query")
+			valueQueryRef := valueQuery.Get("refId").MustString()
 			for _, targetsObj := range panel.Get("targets").MustArray() {
 				target := simplejson.NewFromAny(targetsObj)
 
@@ -48,7 +48,7 @@ func ParseAlertsFromDashboard(cmd *m.SaveDashboardCommand) []*m.AlertRuleDAO {
 						if err := bus.Dispatch(query); err == nil {
 							for _, ds := range query.Result {
 								if ds.IsDefault {
-									alerting.SetPath([]string{"valueQuery", "datasourceId"}, ds.Id)
+									alerting.SetPath([]string{"query", "datasourceId"}, ds.Id)
 								}
 							}
 						}
@@ -58,12 +58,12 @@ func ParseAlertsFromDashboard(cmd *m.SaveDashboardCommand) []*m.AlertRuleDAO {
 							OrgId: cmd.OrgId,
 						}
 						bus.Dispatch(query)
-						alerting.SetPath([]string{"valueQuery", "datasourceId"}, query.Result.Id)
+						alerting.SetPath([]string{"query", "datasourceId"}, query.Result.Id)
 					}
 
 					targetQuery := target.Get("target").MustString()
 					if targetQuery != "" {
-						alerting.SetPath([]string{"valueQuery", "query"}, targetQuery)
+						alerting.SetPath([]string{"query", "query"}, targetQuery)
 					}
 				}
 			}
@@ -105,23 +105,24 @@ func ParseAlertRulesFromAlertModel(ruleDef *m.AlertRuleDAO) (*AlertRule, error)
 	}
 
 	model.Frequency = ruleDef.Expression.Get("frequency").MustInt64()
-
-	valueQuery := ruleDef.Expression.Get("valueQuery")
-
-	model.ValueQuery = AlertQuery{
-		Query:        valueQuery.Get("query").MustString(),
-		DatasourceId: valueQuery.Get("datasourceId").MustInt64(),
-		From:         valueQuery.Get("from").MustString(),
-		To:           valueQuery.Get("to").MustString(),
-		Aggregator:   valueQuery.Get("agg").MustString(),
+	model.Transform = ruleDef.Expression.Get("transform").Get("type").MustString()
+	model.TransformParams = *ruleDef.Expression.Get("transform")
+
+	query := ruleDef.Expression.Get("query")
+	model.Query = AlertQuery{
+		Query:        query.Get("query").MustString(),
+		DatasourceId: query.Get("datasourceId").MustInt64(),
+		From:         query.Get("from").MustString(),
+		To:           query.Get("to").MustString(),
+		Aggregator:   query.Get("agg").MustString(),
 	}
 
-	if model.ValueQuery.Query == "" {
-		return nil, fmt.Errorf("missing valueQuery query")
+	if model.Query.Query == "" {
+		return nil, fmt.Errorf("missing query.query")
 	}
 
-	if model.ValueQuery.DatasourceId == 0 {
-		return nil, fmt.Errorf("missing valueQuery datasourceId")
+	if model.Query.DatasourceId == 0 {
+		return nil, fmt.Errorf("missing query.datasourceId")
 	}
 
 	return model, nil

pkg/services/alerting/executor.go

@@ -100,7 +100,7 @@ func (e *ExecutorImpl) Execute(job *AlertJob, resultQueue chan *AlertResult) {
 
 func (e *ExecutorImpl) executeQuery(job *AlertJob) (tsdb.TimeSeriesSlice, error) {
 	getDsInfo := &m.GetDataSourceByIdQuery{
-		Id:    job.Rule.ValueQuery.DatasourceId,
+		Id:    job.Rule.Query.DatasourceId,
 		OrgId: job.Rule.OrgId,
 	}
 
@@ -128,16 +128,16 @@ func (e *ExecutorImpl) executeQuery(job *AlertJob) (tsdb.TimeSeriesSlice, error)
 }
 
 func (e *ExecutorImpl) GetRequestForAlertRule(rule *AlertRule, datasource *m.DataSource) *tsdb.Request {
-	log.Debug2("GetRequest", "query", rule.ValueQuery.Query, "from", rule.ValueQuery.From, "datasourceId", datasource.Id)
+	log.Debug2("GetRequest", "query", rule.Query.Query, "from", rule.Query.From, "datasourceId", datasource.Id)
 	req := &tsdb.Request{
 		TimeRange: tsdb.TimeRange{
-			From: "-" + rule.ValueQuery.From,
-			To:   rule.ValueQuery.To,
+			From: "-" + rule.Query.From,
+			To:   rule.Query.To,
 		},
 		Queries: []*tsdb.Query{
 			{
 				RefId: "A",
-				Query: rule.ValueQuery.Query,
+				Query: rule.Query.Query,
 				DataSource: &tsdb.DataSourceInfo{
 					Id:       datasource.Id,
 					Name:     datasource.Name,

pkg/services/alerting/models.go

 package alerting
 
+import (
+	"github.com/grafana/grafana/pkg/components/simplejson"
+	"github.com/grafana/grafana/pkg/tsdb"
+)
+
 type AlertJob struct {
 	Offset     int64
 	Delay      bool
@@ -18,26 +23,23 @@ type AlertResult struct {
 }
 
 type AlertRule struct {
-	Id          int64
-	OrgId       int64
-	DashboardId int64
-	PanelId     int64
-	//WarnLevel    float64
-	//CritLevel    float64
-	//WarnOperator string
-	//CritOperator string
-	Frequency   int64
-	Name        string
-	Description string
-	State       string
-
-	Warning  Level
-	Critical Level
+	Id              int64
+	OrgId           int64
+	DashboardId     int64
+	PanelId         int64
+	Frequency       int64
+	Name            string
+	Description     string
+	State           string
+	Warning         Level
+	Critical        Level
+	Query           AlertQuery
+	Transform       string
+	TransformParams simplejson.Json
+}
 
-	ValueQuery AlertQuery
-	EvalFunc   string
-	EvalQuery  AlertQuery
-	EvalParam  string
+type Transformer interface {
+	Transform(tsdb tsdb.TimeSeriesSlice) float64
 }
 
 type Level struct {

pkg/services/sqlstore/alert_rule_parser_test.go

@@ -15,58 +15,37 @@ func TestAlertRuleModelParsing(t *testing.T) {
 		alertRuleDAO := &m.AlertRuleDAO{}
 		json, _ := simplejson.NewJson([]byte(`
       {
+        "frequency": 10,
+        "warning": {
+          "op": ">",
+          "level": 10
+        },
         "critical": {
-          "level": 20,
-          "op": ">"
+          "op": ">",
+          "level": 20
         },
-        "description": "Alerting Panel Title alert",
-        "evalQuery": {
-          "agg": "avg",
-          "from": "5m",
-          "params": [
-            "#A",
-            "5m",
-            "now",
-            "avg"
-          ],
+        "query": {
           "queryRefId": "A",
-          "to": "now"
-        },
-        "evalStringParam1": "",
-        "frequency": 10,
-        "function": "static",
-        "name": "Alerting Panel Title alert",
-        "queryRef": "- select query -",
-        "valueQuery": {
-          "agg": "avg",
-          "datasourceId": 1,
           "from": "5m",
-          "params": [
-            "#A",
-            "5m",
-            "now",
-            "avg"
-          ],
-          "query": "aliasByNode(statsd.fakesite.counters.session_start.*.count, 4)",
-          "queryRefId": "A",
-          "to": "now"
+          "to": "now",
+          "datasourceId": 1,
+          "query": "aliasByNode(statsd.fakesite.counters.session_start.*.count, 4)"
         },
-        "warning": {
-          "level": 10,
-          "op": ">"
-        }
-      }`))
+        "transform": {
+          "name": "aggregation",
+          "method": "avg"
+        }`))
 
 		alertRuleDAO.Name = "Test"
 		alertRuleDAO.Expression = json
 		rule, _ := alerting.ParseAlertRulesFromAlertModel(alertRuleDAO)
 
 		Convey("Confirm that all properties are set", func() {
-			So(rule.ValueQuery.Query, ShouldEqual, "aliasByNode(statsd.fakesite.counters.session_start.*.count, 4)")
-			So(rule.ValueQuery.From, ShouldEqual, "5m")
-			So(rule.ValueQuery.To, ShouldEqual, "now")
-			So(rule.ValueQuery.DatasourceId, ShouldEqual, 1)
-			So(rule.ValueQuery.Aggregator, ShouldEqual, "avg")
+			So(rule.Query.Query, ShouldEqual, "aliasByNode(statsd.fakesite.counters.session_start.*.count, 4)")
+			So(rule.Query.From, ShouldEqual, "5m")
+			So(rule.Query.To, ShouldEqual, "now")
+			So(rule.Query.DatasourceId, ShouldEqual, 1)
+			//So(rule.ValueQuery.Aggregator, ShouldEqual, "avg")
 			So(rule.Warning.Level, ShouldEqual, 10)
 			So(rule.Warning.Operator, ShouldEqual, ">")
 			So(rule.Critical.Level, ShouldEqual, 20)

public/app/plugins/panel/graph/alert_tab_ctrl.ts

@@ -51,20 +51,15 @@ export class AlertTabCtrl {
     frequency: 10,
     warning: { op: '>', level: 10 },
     critical: { op: '>', level: 20 },
-    function: 'static',
-    valueQuery: {
-      queryRefId: 'A',
-      from: '600s',
+    query: {
+      refId: 'A',
+      from: '5m',
       to: 'now',
-      agg: 'avg',
     },
-    evalQuery: {
-      queryRefId: 'A',
-      from: '600s',
-      to: 'now',
-      agg: 'avg',
-    },
-    evalStringParam1: '',
+    transform: {
+      type: 'aggregation',
+      method: 'avg'
+    }
   };
 
   /** @ngInject */