main.go

/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package main

import (
	"flag"
	"os"

	"k8s.io/apimachinery/pkg/runtime"
	_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
	ctrl "sigs.k8s.io/controller-runtime"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	addonmgrv1alpha1 "github.com/keikoproj/addon-manager/api/v1alpha1"
	"github.com/keikoproj/addon-manager/controllers"
	"github.com/keikoproj/addon-manager/pkg/version"
	// +kubebuilder:scaffold:imports
)

var (
	scheme               = runtime.NewScheme()
	setupLog             = ctrl.Log.WithName("setup")
	debug                bool
	metricsAddr          string
	enableLeaderElection bool
)

func init() {
	flag.StringVar(&metricsAddr, "metrics-addr", ":8080", "The address the metric endpoint binds to.")
	flag.BoolVar(&enableLeaderElection, "enable-leader-election", false,
		"Enable leader election for controller manager. Enabling this will ensure there is only one active controller manager.")
	flag.BoolVar(&debug, "debug", false, "Debug logging")
	flag.Parse()

	_ = addonmgrv1alpha1.AddToScheme(scheme)
	// +kubebuilder:scaffold:scheme
}

func main() {
	ctrl.SetLogger(zap.New(zap.UseDevMode(debug)))

	setupLog.Info(version.ToString())

	mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
		Scheme:             scheme,
		MetricsBindAddress: metricsAddr,
		LeaderElection:     enableLeaderElection,
		LeaderElectionID:   "addonmgr.keikoproj.io",
	})
	if err != nil {
		setupLog.Error(err, "unable to start manager")
		os.Exit(1)
	}

	err = controllers.NewAddonReconciler(mgr, ctrl.Log.WithName("controllers").WithName("Addon")).SetupWithManager(mgr)
	if err != nil {
		setupLog.Error(err, "unable to create controller", "controller", "Addon")
		os.Exit(1)
	}

	// +kubebuilder:scaffold:builder

	setupLog.Info("starting manager")
	if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
		setupLog.Error(err, "problem running manager")
		os.Exit(1)
	}
}