renames alerting engine to match other services

pkg/services/alerting/engine.go

@@ -16,7 +16,7 @@ import (
 	"golang.org/x/sync/errgroup"
 )
 
-type Engine struct {
+type AlertingEngine struct {
 	execQueue chan *Job
 	//clock         clock.Clock
 	ticker        *Ticker
@@ -28,20 +28,20 @@ type Engine struct {
 }
 
 func init() {
-	registry.RegisterService(&Engine{})
+	registry.RegisterService(&AlertingEngine{})
 }
 
-func NewEngine() *Engine {
-	e := &Engine{}
+func NewEngine() *AlertingEngine {
+	e := &AlertingEngine{}
 	e.Init()
 	return e
 }
 
-func (e *Engine) IsDisabled() bool {
+func (e *AlertingEngine) IsDisabled() bool {
 	return !setting.AlertingEnabled || !setting.ExecuteAlerts
 }
 
-func (e *Engine) Init() error {
+func (e *AlertingEngine) Init() error {
 	e.ticker = NewTicker(time.Now(), time.Second*0, clock.New())
 	e.execQueue = make(chan *Job, 1000)
 	e.scheduler = NewScheduler()
@@ -52,7 +52,7 @@ func (e *Engine) Init() error {
 	return nil
 }
 
-func (e *Engine) Run(ctx context.Context) error {
+func (e *AlertingEngine) Run(ctx context.Context) error {
 	alertGroup, ctx := errgroup.WithContext(ctx)
 	alertGroup.Go(func() error { return e.alertingTicker(ctx) })
 	alertGroup.Go(func() error { return e.runJobDispatcher(ctx) })
@@ -61,7 +61,7 @@ func (e *Engine) Run(ctx context.Context) error {
 	return err
 }
 
-func (e *Engine) alertingTicker(grafanaCtx context.Context) error {
+func (e *AlertingEngine) alertingTicker(grafanaCtx context.Context) error {
 	defer func() {
 		if err := recover(); err != nil {
 			e.log.Error("Scheduler Panic: stopping alertingTicker", "error", err, "stack", log.Stack(1))
@@ -86,7 +86,7 @@ func (e *Engine) alertingTicker(grafanaCtx context.Context) error {
 	}
 }
 
-func (e *Engine) runJobDispatcher(grafanaCtx context.Context) error {
+func (e *AlertingEngine) runJobDispatcher(grafanaCtx context.Context) error {
 	dispatcherGroup, alertCtx := errgroup.WithContext(grafanaCtx)
 
 	for {
@@ -106,7 +106,7 @@ var (
 	alertMaxAttempts = 3
 )
 
-func (e *Engine) processJobWithRetry(grafanaCtx context.Context, job *Job) error {
+func (e *AlertingEngine) processJobWithRetry(grafanaCtx context.Context, job *Job) error {
 	defer func() {
 		if err := recover(); err != nil {
 			e.log.Error("Alert Panic", "error", err, "stack", log.Stack(1))
@@ -141,7 +141,7 @@ func (e *Engine) processJobWithRetry(grafanaCtx context.Context, job *Job) error
 	}
 }
 
-func (e *Engine) endJob(err error, cancelChan chan context.CancelFunc, job *Job) error {
+func (e *AlertingEngine) endJob(err error, cancelChan chan context.CancelFunc, job *Job) error {
 	job.Running = false
 	close(cancelChan)
 	for cancelFn := range cancelChan {
@@ -150,7 +150,7 @@ func (e *Engine) endJob(err error, cancelChan chan context.CancelFunc, job *Job)
 	return err
 }
 
-func (e *Engine) processJob(attemptID int, attemptChan chan int, cancelChan chan context.CancelFunc, job *Job) {
+func (e *AlertingEngine) processJob(attemptID int, attemptChan chan int, cancelChan chan context.CancelFunc, job *Job) {
 	defer func() {
 		if err := recover(); err != nil {
 			e.log.Error("Alert Panic", "error", err, "stack", log.Stack(1))