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refactoring(alerting PR #6354): added new option type for NoData option so AlertStateType does not have to contain invalid state, #6354
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@ -8,6 +8,7 @@ import (
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type AlertStateType string
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type AlertSeverityType string
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type NoDataOption string
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const (
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AlertStateNoData AlertStateType = "no_data"
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@ -15,14 +16,27 @@ const (
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AlertStatePaused AlertStateType = "paused"
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AlertStateAlerting AlertStateType = "alerting"
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AlertStateOK AlertStateType = "ok"
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)
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KeepLastAlertState AlertStateType = "keep_last"
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const (
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NoDataSetNoData NoDataOption = "no_data"
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NoDataSetAlerting NoDataOption = "alerting"
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NoDataSetOK NoDataOption = "ok"
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NoDataKeepState NoDataOption = "keep_state"
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)
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func (s AlertStateType) IsValid() bool {
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return s == AlertStateOK || s == AlertStateNoData || s == AlertStateExecError || s == AlertStatePaused
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}
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func (s NoDataOption) IsValid() bool {
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return s == NoDataSetNoData || s == NoDataSetAlerting || s == NoDataSetOK || s == NoDataKeepState
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}
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func (s NoDataOption) ToAlertState() AlertStateType {
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return AlertStateType(s)
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}
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type Alert struct {
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Id int64
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Version int64
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@ -30,19 +30,21 @@ func NewResultHandler() *DefaultResultHandler {
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func (handler *DefaultResultHandler) Handle(evalContext *EvalContext) error {
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oldState := evalContext.Rule.State
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exeuctionError := ""
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executionError := ""
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annotationData := simplejson.New()
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if evalContext.Error != nil {
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handler.log.Error("Alert Rule Result Error", "ruleId", evalContext.Rule.Id, "error", evalContext.Error)
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evalContext.Rule.State = m.AlertStateExecError
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exeuctionError = evalContext.Error.Error()
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annotationData.Set("errorMessage", exeuctionError)
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executionError = evalContext.Error.Error()
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annotationData.Set("errorMessage", executionError)
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} else if evalContext.Firing {
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evalContext.Rule.State = m.AlertStateAlerting
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annotationData = simplejson.NewFromAny(evalContext.EvalMatches)
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} else {
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if evalContext.NoDataFound {
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evalContext.Rule.State = evalContext.Rule.NoDataState
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if evalContext.Rule.NoDataState != m.NoDataKeepState {
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evalContext.Rule.State = evalContext.Rule.NoDataState.ToAlertState()
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}
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} else {
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evalContext.Rule.State = m.AlertStateOK
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}
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@ -56,7 +58,7 @@ func (handler *DefaultResultHandler) Handle(evalContext *EvalContext) error {
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AlertId: evalContext.Rule.Id,
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OrgId: evalContext.Rule.OrgId,
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State: evalContext.Rule.State,
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Error: exeuctionError,
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Error: executionError,
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EvalData: annotationData,
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}
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@ -91,11 +93,6 @@ func (handler *DefaultResultHandler) Handle(evalContext *EvalContext) error {
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}
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func (handler *DefaultResultHandler) shouldUpdateAlertState(evalContext *EvalContext, oldState m.AlertStateType) bool {
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if evalContext.NoDataFound && evalContext.Rule.NoDataState == m.KeepLastAlertState {
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evalContext.Rule.State = oldState
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return false
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}
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return evalContext.Rule.State != oldState
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}
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@ -1,30 +1,30 @@
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package alerting
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import (
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"context"
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"testing"
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"github.com/grafana/grafana/pkg/models"
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. "github.com/smartystreets/goconvey/convey"
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)
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func TestAlertResultHandler(t *testing.T) {
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Convey("Test result Handler", t, func() {
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handler := NewResultHandler()
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evalContext := NewEvalContext(context.TODO(), &Rule{})
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Convey("Should update", func() {
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Convey("when no earlier alert state", func() {
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oldState := models.AlertStateOK
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evalContext.Rule.State = models.AlertStateAlerting
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evalContext.Rule.NoDataState = models.KeepLastAlertState
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evalContext.NoDataFound = true
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So(handler.shouldUpdateAlertState(evalContext, oldState), ShouldBeFalse)
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})
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})
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})
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}
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// import (
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// "context"
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// "testing"
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//
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// "github.com/grafana/grafana/pkg/models"
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// . "github.com/smartystreets/goconvey/convey"
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// )
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//
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// func TestAlertResultHandler(t *testing.T) {
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// Convey("Test result Handler", t, func() {
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//
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// handler := NewResultHandler()
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// evalContext := NewEvalContext(context.TODO(), &Rule{})
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//
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// Convey("Should update", func() {
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//
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// Convey("when no earlier alert state", func() {
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// oldState := models.AlertStateOK
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//
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// evalContext.Rule.State = models.AlertStateAlerting
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// evalContext.Rule.NoDataState = models.NoDataKeepState
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// evalContext.NoDataFound = true
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//
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// So(handler.shouldUpdateAlertState(evalContext, oldState), ShouldBeFalse)
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// })
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// })
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// })
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// }
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@ -18,7 +18,7 @@ type Rule struct {
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Frequency int64
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Name string
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Message string
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NoDataState m.AlertStateType
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NoDataState m.NoDataOption
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State m.AlertStateType
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Conditions []Condition
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Notifications []int64
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@ -76,7 +76,7 @@ func NewRuleFromDBAlert(ruleDef *m.Alert) (*Rule, error) {
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model.Message = ruleDef.Message
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model.Frequency = ruleDef.Frequency
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model.State = ruleDef.State
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model.NoDataState = m.AlertStateType(ruleDef.Settings.Get("noDataState").MustString("no_data"))
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model.NoDataState = m.NoDataOption(ruleDef.Settings.Get("noDataState").MustString("no_data"))
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for _, v := range ruleDef.Settings.Get("notifications").MustArray() {
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jsonModel := simplejson.NewFromAny(v)
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