reminder: uses UpdatedAt to track state changes.

pkg/models/alert_notifications.go

@@ -19,6 +19,7 @@ type AlertNotificationStateType string
 var (
 	AlertNotificationStatePending   = AlertNotificationStateType("pending")
 	AlertNotificationStateCompleted = AlertNotificationStateType("completed")
+	AlertNotificationStateUnknown   = AlertNotificationStateType("unknown")
 )
 
 type AlertNotification struct {
@@ -90,10 +91,10 @@ type AlertNotificationState struct {
 	OrgId                        int64
 	AlertId                      int64
 	NotifierId                   int64
-	SentAt     int64
 	State                        AlertNotificationStateType
 	Version                      int64
 	UpdatedAt                    int64
+	AlertRuleStateUpdatedVersion int64
 }
 
 type SetAlertNotificationStateToPendingCommand struct {

pkg/services/alerting/notifier.go

@@ -68,7 +68,7 @@ func (n *notificationService) sendAndMarkAsComplete(evalContext *EvalContext, no
 	if err != nil {
 		n.log.Error("failed to send notification", "id", not.GetNotifierId())
 	} else {
-		notifierState.state.SentAt = time.Now().UTC().Unix()
+		notifierState.state.UpdatedAt = time.Now().UTC().Unix()
 	}
 
 	if evalContext.IsTestRun {
@@ -185,7 +185,7 @@ func (n *notificationService) getNeededNotifiers(orgId int64, notificationIds []
 
 		err = bus.DispatchCtx(evalContext.Ctx, query)
 		if err != nil {
-			n.log.Error("Could not get notification state.", "notifier", notification.Id)
+			n.log.Error("Could not get notification state.", "notifier", notification.Id, "error", err)
 			continue
 		}
 

pkg/services/alerting/notifiers/base.go

@@ -53,8 +53,8 @@ func defaultShouldNotify(context *alerting.EvalContext, sendReminder bool, frequ
 
 	if context.PrevAlertState == context.Rule.State && sendReminder {
 		// Do not notify if interval has not elapsed
-		lastNotify := time.Unix(notificationState.SentAt, 0)
-		if notificationState.SentAt != 0 && lastNotify.Add(frequency).After(time.Now()) {
+		lastNotify := time.Unix(notificationState.UpdatedAt, 0)
+		if notificationState.UpdatedAt != 0 && lastNotify.Add(frequency).After(time.Now()) {
 			return false
 		}
 

pkg/services/alerting/notifiers/base_test.go

@@ -84,7 +84,7 @@ func TestShouldSendAlertNotification(t *testing.T) {
 			prevState:    m.AlertStateAlerting,
 			frequency:    time.Minute * 10,
 			sendReminder: true,
-			state:        &m.AlertNotificationState{SentAt: tnow.Add(-time.Minute).Unix()},
+			state:        &m.AlertNotificationState{UpdatedAt: tnow.Add(-time.Minute).Unix()},
 
 			expect: true,
 		},
@@ -104,7 +104,7 @@ func TestShouldSendAlertNotification(t *testing.T) {
 			prevState:    m.AlertStateAlerting,
 			frequency:    time.Minute * 10,
 			sendReminder: true,
-			state:        &m.AlertNotificationState{SentAt: tnow.Add(-time.Minute).Unix()},
+			state:        &m.AlertNotificationState{UpdatedAt: tnow.Add(-time.Minute).Unix()},
 
 			expect: false,
 		},
@@ -114,7 +114,7 @@ func TestShouldSendAlertNotification(t *testing.T) {
 			prevState:    m.AlertStateAlerting,
 			frequency:    time.Minute * 10,
 			sendReminder: true,
-			state:        &m.AlertNotificationState{SentAt: tnow.Add(-11 * time.Minute).Unix()},
+			state:        &m.AlertNotificationState{UpdatedAt: tnow.Add(-11 * time.Minute).Unix()},
 
 			expect: true,
 		},

pkg/services/alerting/rule.go

@@ -102,6 +102,7 @@ func NewRuleFromDBAlert(ruleDef *m.Alert) (*Rule, error) {
 	model.State = ruleDef.State
 	model.NoDataState = m.NoDataOption(ruleDef.Settings.Get("noDataState").MustString("no_data"))
 	model.ExecutionErrorState = m.ExecutionErrorOption(ruleDef.Settings.Get("executionErrorState").MustString("alerting"))
+	model.StateChanges = ruleDef.StateChanges
 
 	for _, v := range ruleDef.Settings.Get("notifications").MustArray() {
 		jsonModel := simplejson.NewFromAny(v)

pkg/services/sqlstore/alert_notification.go

@@ -249,12 +249,11 @@ func SetAlertNotificationStateToCompleteCommand(ctx context.Context, cmd *m.SetA
 		sql := `UPDATE alert_notification_state SET
 			state = ?,
 			version = ?,
-			sent_at = ?,
 			updated_at = ?
 		WHERE
 			id = ?`
 
-		_, err := sess.Exec(sql, cmd.State.State, cmd.State.Version, cmd.State.SentAt, timeNow().Unix(), cmd.State.Id)
+		_, err := sess.Exec(sql, cmd.State.State, cmd.State.Version, timeNow().Unix(), cmd.State.Id)
 
 		if err != nil {
 			return err
@@ -325,7 +324,7 @@ func GetAlertNotificationState(ctx context.Context, cmd *m.GetNotificationStateQ
 			OrgId:      cmd.OrgId,
 			AlertId:    cmd.AlertId,
 			NotifierId: cmd.NotifierId,
-			State:      "unknown",
+			State:      m.AlertNotificationStateUnknown,
 			UpdatedAt:  timeNow().Unix(),
 		}
 
@@ -354,10 +353,9 @@ func GetAlertNotificationState(ctx context.Context, cmd *m.GetNotificationStateQ
 }
 
 func getAlertNotificationState(sess *DBSession, cmd *m.GetNotificationStateQuery, nj *m.AlertNotificationState) (bool, error) {
-	exist, err := sess.
+	return sess.
 		Where("alert_notification_state.org_id = ?", cmd.OrgId).
 		Where("alert_notification_state.alert_id = ?", cmd.AlertId).
 		Where("alert_notification_state.notifier_id = ?", cmd.NotifierId).
 		Get(nj)
-	return exist, err
 }

pkg/services/sqlstore/migrations/alert_mig.go

@@ -117,10 +117,10 @@ func addAlertMigrations(mg *Migrator) {
 			{Name: "org_id", Type: DB_BigInt, Nullable: false},
 			{Name: "alert_id", Type: DB_BigInt, Nullable: false},
 			{Name: "notifier_id", Type: DB_BigInt, Nullable: false},
-			{Name: "sent_at", Type: DB_BigInt, Nullable: false},
 			{Name: "state", Type: DB_NVarchar, Length: 50, Nullable: false},
 			{Name: "version", Type: DB_BigInt, Nullable: false},
 			{Name: "updated_at", Type: DB_BigInt, Nullable: false},
+			{Name: "alert_rule_state_updated_version", Type: DB_BigInt, Nullable: false},
 		},
 		Indices: []*Index{
 			{Cols: []string{"org_id", "alert_id", "notifier_id"}, Type: UniqueIndex},
@@ -130,8 +130,4 @@ func addAlertMigrations(mg *Migrator) {
 	mg.AddMigration("create alert_notification_state table v1", NewAddTableMigration(alert_notification_state))
 	mg.AddMigration("add index alert_notification_state org_id & alert_id & notifier_id",
 		NewAddIndexMigration(alert_notification_state, alert_notification_state.Indices[0]))
-
-	mg.AddMigration("Add alert_rule_state_updated_version to alert_notification_state", NewAddColumnMigration(alert_notification_state, &Column{
-		Name: "alert_rule_state_updated_version", Type: DB_BigInt, Nullable: true,
-	}))
 }