[to be shquashed]fix(#4948): removed unecessary(?) objects selectors …

…in platformcontroller operator cache.

pkg/cmd/platformcontroller/platformcontroller.go

@@ -22,7 +22,6 @@ import (
 	"flag"
 	"fmt"
 	"os"
-	"reflect"
 	"runtime"
 	"strconv"
 	"strings"
@@ -34,13 +33,9 @@ import (
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 
-	appsv1 "k8s.io/api/apps/v1"
-	batchv1 "k8s.io/api/batch/v1"
 	coordination "k8s.io/api/coordination/v1"
 	corev1 "k8s.io/api/core/v1"
 	k8serrors "k8s.io/apimachinery/pkg/api/errors"
-	"k8s.io/apimachinery/pkg/labels"
-	"k8s.io/apimachinery/pkg/selection"
 	"k8s.io/client-go/tools/leaderelection/resourcelock"
 	"k8s.io/client-go/tools/record"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
@@ -52,10 +47,7 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/manager"
 	"sigs.k8s.io/controller-runtime/pkg/manager/signals"
 
-	servingv1 "knative.dev/serving/pkg/apis/serving/v1"
-
 	"github.com/apache/camel-k/v2/pkg/apis"
-	v1 "github.com/apache/camel-k/v2/pkg/apis/camel/v1"
 	"github.com/apache/camel-k/v2/pkg/client"
 	"github.com/apache/camel-k/v2/pkg/controller"
 	"github.com/apache/camel-k/v2/pkg/event"
@@ -182,29 +174,9 @@ func Run(healthPort, monitoringPort int32, leaderElection bool, leaderElectionID
 		log.Info("Leader election is disabled!")
 	}
 
-	//TODO: check if this part is actually needed from here.
-	hasIntegrationLabel, err := labels.NewRequirement(v1.IntegrationLabel, selection.Exists, []string{})
-	exitOnError(err, "cannot create Integration label selector")
-	selector := labels.NewSelector().Add(*hasIntegrationLabel)
-
-	selectors := map[ctrl.Object]cache.ByObject{
-		&corev1.Pod{}:        {Label: selector},
-		&appsv1.Deployment{}: {Label: selector},
-		&batchv1.Job{}:       {Label: selector},
-		&servingv1.Service{}: {Label: selector},
-	}
-
-	if ok, err := kubernetes.IsAPIResourceInstalled(bootstrapClient, batchv1.SchemeGroupVersion.String(), reflect.TypeOf(batchv1.CronJob{}).Name()); ok && err == nil {
-		selectors[&batchv1.CronJob{}] = cache.ByObject{
-			Label: selector,
-		}
-	}
-
 	options := cache.Options{
-		ByObject:   selectors,
 		Namespaces: []string{watchNamespace},
 	}
-	//TODO: to here.
 
 	mgr, err := manager.New(cfg, manager.Options{
 		EventBroadcaster:              broadcaster,