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main.go
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main.go
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package main
import (
"flag"
zap2 "go.uber.org/zap"
"go.uber.org/zap/zapcore"
"os"
// needed for hack/update-codegen.sh
_ "k8s.io/code-generator"
"k8s.io/klog/v2"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/healthz"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
//+kubebuilder:scaffold:imports
"github.com/go-logr/logr"
"github.com/redhat-appstudio/jvm-build-service/pkg/controller"
"github.com/redhat-appstudio/jvm-build-service/pkg/reconciler/util"
)
var (
mainLog logr.Logger
)
func main() {
var metricsAddr string
var enableLeaderElection bool
var probeAddr string
var abAPIExportName string
flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "The address the metric endpoint binds to.")
flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "The address the probe endpoint binds to.")
flag.StringVar(&abAPIExportName, "api-export-name", "jvm-build-service", "The name of the jvm-build-service APIExport.")
flag.BoolVar(&enableLeaderElection, "leader-elect", false,
"Enable leader election for controller manager. "+
"Enabling this will ensure there is only one active controller manager.")
opts := zap.Options{
TimeEncoder: zapcore.RFC3339TimeEncoder,
ZapOpts: []zap2.Option{zap2.WithCaller(true)},
}
opts.BindFlags(flag.CommandLine)
klog.InitFlags(flag.CommandLine)
flag.Parse()
logger := zap.New(zap.UseFlagOptions(&opts))
ctrl.SetLogger(logger)
mainLog = ctrl.Log.WithName("main")
ctx := ctrl.SetupSignalHandler()
restConfig := ctrl.GetConfigOrDie()
klog.SetLogger(mainLog)
var mgr ctrl.Manager
mopts := ctrl.Options{
HealthProbeBindAddress: probeAddr,
LeaderElection: enableLeaderElection,
LeaderElectionID: "5483be8f.redhat.com",
}
mopts.Metrics.BindAddress = metricsAddr
util.ImageTag = os.Getenv("IMAGE_TAG")
util.ImageRepo = os.Getenv("IMAGE_REPO")
if os.Getenv("S3_SYNC_ENABLED") == "true" {
logger.Info("Enabling S3 Sync")
util.S3Enabled = true
} else {
logger.Info("S3 Sync Disabled")
}
mgr, err := controller.NewManager(restConfig, mopts)
if err != nil {
mainLog.Error(err, "unable to start manager")
os.Exit(1)
}
//+kubebuilder:scaffold:builder
if err := mgr.AddHealthzCheck("healthz", healthz.Ping); err != nil {
mainLog.Error(err, "unable to set up health check")
os.Exit(1)
}
if err := mgr.AddReadyzCheck("readyz", healthz.Ping); err != nil {
mainLog.Error(err, "unable to set up ready check")
os.Exit(1)
}
mainLog.Info("starting manager")
if err := mgr.Start(ctx); err != nil {
mainLog.Error(err, "problem running manager")
os.Exit(1)
}
}