fix: log.Fatal will call os.Exit, use log.Println instead (#8492)

Signed-off-by: Abirdcfly <[email protected]>

main.go

@@ -3,23 +3,21 @@ package main
 import (
  "context"
  "fmt"
+ "log"
+ "net/url"
+ "os"
+ "os/signal"
+ "sync"
+ "syscall"
 
  "github.com/keptn/keptn/helm-service/controller"
  "github.com/keptn/keptn/helm-service/pkg/common"
  "github.com/keptn/keptn/helm-service/pkg/configurationchanger"
  "github.com/keptn/keptn/helm-service/pkg/helm"
 
- "net/url"
- "os/signal"
- "sync"
- "syscall"
-
  logger "github.com/sirupsen/logrus"
  v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 
- "log"
- "os"
-
  "github.com/keptn/go-utils/pkg/common/kubeutils"
 
  "github.com/keptn/keptn/helm-service/pkg/namespacemanager"
@@ -231,7 +229,7 @@ func getGracefulContext() context.Context {
  ctx, cancel := context.WithCancel(cloudevents.WithEncodingStructured(context.WithValue(context.Background(), controller.GracefulShutdownKey, wg)))
  go func() {
  <-ch
- log.Fatal("Container termination triggered, starting graceful shutdown")
+ log.Println("Container termination triggered, starting graceful shutdown")
  wg.Wait()
  cancel()
  }()