feat(alerting): trying to get things to work with new model

pkg/log/log.go

@@ -12,6 +12,7 @@ import (
 
 	"gopkg.in/ini.v1"
 
+	"github.com/go-stack/stack"
 	"github.com/inconshreveable/log15"
 	"github.com/inconshreveable/log15/term"
 )
@@ -228,3 +229,9 @@ func LogFilterHandler(maxLevel log15.Lvl, filters map[string]log15.Lvl, h log15.
 		return r.Lvl <= maxLevel
 	}, h)
 }
+
+func Stack(skip int) string {
+	call := stack.Caller(skip)
+	s := stack.Trace().TrimBelow(call).TrimRuntime()
+	return s.String()
+}

pkg/services/alerting/commands.go

@@ -38,6 +38,10 @@ func updateDashboardAlerts(cmd *UpdateDashboardAlertsCommand) error {
 	return nil
 }
 
+func getTimeDurationStringToSeconds(str string) int64 {
+	return 60
+}
+
 func ConvetAlertModelToAlertRule(ruleDef *m.Alert) (*AlertRule, error) {
 	model := &AlertRule{}
 	model.Id = ruleDef.Id
@@ -58,7 +62,7 @@ func ConvetAlertModelToAlertRule(ruleDef *m.Alert) (*AlertRule, error) {
 		Level:    warning.Get("level").MustFloat64(),
 	}
 
-	model.Frequency = ruleDef.Expression.Get("frequency").MustInt64()
+	model.Frequency = getTimeDurationStringToSeconds(ruleDef.Expression.Get("frequency").MustString())
 	model.Transform = ruleDef.Expression.Get("transform").Get("type").MustString()
 	model.TransformParams = *ruleDef.Expression.Get("transform")
 

pkg/services/alerting/engine.go

@@ -50,6 +50,12 @@ func (e *Engine) Stop() {
 }
 
 func (e *Engine) alertingTicker() {
+	defer func() {
+		if err := recover(); err != nil {
+			e.log.Error("Scheduler Panic, stopping...", "error", err, "stack", log.Stack(1))
+		}
+	}()
+
 	tickIndex := 0
 
 	for {

pkg/services/alerting/scheduler.go

@@ -18,12 +18,12 @@ func NewScheduler() Scheduler {
 	}
 }
 
-func (s *SchedulerImpl) Update(rules []*AlertRule) {
-	s.log.Debug("Scheduler: Update")
+func (s *SchedulerImpl) Update(alerts []*AlertRule) {
+	s.log.Debug("Scheduling update", "alerts.count", len(alerts))
 
 	jobs := make(map[int64]*AlertJob, 0)
 
-	for i, rule := range rules {
+	for i, rule := range alerts {
 		var job *AlertJob
 		if s.jobs[rule.Id] != nil {
 			job = s.jobs[rule.Id]
@@ -40,7 +40,6 @@ func (s *SchedulerImpl) Update(rules []*AlertRule) {
 		jobs[rule.Id] = job
 	}
 
-	s.log.Debug("Scheduler: Selected new jobs", "job count", len(jobs))
 	s.jobs = jobs
 }