main.go

package main

import (
	"flag"
	"os"

	// Import all Kubernetes client auth plugins (e.g. Azure, GCP, OIDC, etc.)
	// to ensure that exec-entrypoint and run can make use of them.
	_ "k8s.io/client-go/plugin/pkg/client/auth"

	"k8s.io/apimachinery/pkg/api/meta"
	"k8s.io/apimachinery/pkg/runtime"
	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	"k8s.io/client-go/rest"
	ctrl "sigs.k8s.io/controller-runtime"
	//+kubebuilder:scaffold:imports
	"sigs.k8s.io/controller-runtime/pkg/client/apiutil"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	buildInfo "github.com/epam/edp-common/pkg/config"

	apiV1 "github.com/epam/edp-component-operator/api/v1"
)

var (
	scheme   = runtime.NewScheme()
	setupLog = ctrl.Log.WithName("setup")
)

const (
	port        = 9443
	exitFailure = 1
)

func main() {
	var enableLeaderElection bool

	flag.BoolVar(&enableLeaderElection, "leader-elect", true,
		"Enable leader election for controller manager. "+
			"Enabling this will ensure there is only one active controller manager.")

	opts := zap.Options{
		Development: false,
	}
	opts.BindFlags(flag.CommandLine)
	flag.Parse()

	v := buildInfo.Get()

	ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))

	setupLog.Info("Starting the EDP Component Operator",
		"version", v.Version,
		"git-commit", v.GitCommit,
		"git-tag", v.GitTag,
		"build-date", v.BuildDate,
		"go-version", v.Go,
		"go-client", v.KubectlVersion,
		"platform", v.Platform,
	)

	// configure k8s schemes
	utilruntime.Must(clientgoscheme.AddToScheme(scheme))
	utilruntime.Must(apiV1.AddToScheme(scheme))

	cfg := ctrl.GetConfigOrDie()

	mgr, err := ctrl.NewManager(cfg, ctrl.Options{
		Scheme:             scheme,
		MetricsBindAddress: "0",
		Port:               port,
		MapperProvider: func(c *rest.Config) (meta.RESTMapper, error) {
			return apiutil.NewDynamicRESTMapper(cfg)
		},
	})
	if err != nil {
		setupLog.Error(err, "unable to start manager")
		os.Exit(exitFailure)
	}

	setupLog.Info("starting manager")

	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
		setupLog.Error(err, "problem running manager")
		os.Exit(exitFailure)
	}
}