mirror of
https://github.com/jominjun94/k8s-cpu-limit-check-operator.git
synced 2026-01-29 05:35:35 +00:00
87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package main
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import (
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"crypto/tls"
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"flag"
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"os"
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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"k8s.io/apimachinery/pkg/runtime"
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utilruntime "k8s.io/apimachinery/pkg/util/runtime"
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clientgoscheme "k8s.io/client-go/kubernetes/scheme"
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metricsv1beta1 "k8s.io/metrics/pkg/apis/metrics/v1beta1"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/healthz"
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"sigs.k8s.io/controller-runtime/pkg/log/zap"
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metricsserver "sigs.k8s.io/controller-runtime/pkg/metrics/server"
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"sigs.k8s.io/controller-runtime/pkg/webhook"
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reaperv1alpha1 "github.com/jominjun94/k8s-cpu-limit-check-operator/api/v1alpha1"
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"github.com/jominjun94/k8s-cpu-limit-check-operator/internal/controller"
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)
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var (
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scheme = runtime.NewScheme()
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setupLog = ctrl.Log.WithName("setup")
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)
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func init() {
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utilruntime.Must(clientgoscheme.AddToScheme(scheme))
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utilruntime.Must(metricsv1beta1.AddToScheme(scheme)) // ⭐ 핵심
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utilruntime.Must(reaperv1alpha1.AddToScheme(scheme))
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}
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func main() {
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var metricsAddr string
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var probeAddr string
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flag.StringVar(&metricsAddr, "metrics-bind-address", ":8080", "Metrics address")
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flag.StringVar(&probeAddr, "health-probe-bind-address", ":8081", "Probe address")
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opts := zap.Options{Development: true}
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opts.BindFlags(flag.CommandLine)
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flag.Parse()
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ctrl.SetLogger(zap.New(zap.UseFlagOptions(&opts)))
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disableHTTP2 := func(c *tls.Config) {
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c.NextProtos = []string{"http/1.1"}
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}
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mgr, err := ctrl.NewManager(ctrl.GetConfigOrDie(), ctrl.Options{
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Scheme: scheme,
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Metrics: metricsserver.Options{
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BindAddress: metricsAddr,
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TLSOpts: []func(*tls.Config){disableHTTP2},
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},
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WebhookServer: webhook.NewServer(webhook.Options{TLSOpts: []func(*tls.Config){disableHTTP2}}),
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HealthProbeBindAddress: probeAddr,
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LeaderElection: false,
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LeaderElectionID: "cpu-reaper.lock",
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})
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if err != nil {
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setupLog.Error(err, "unable to start manager")
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os.Exit(1)
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}
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if err := (&controller.CpuReaperPolicyReconciler{
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Client: mgr.GetClient(),
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Scheme: mgr.GetScheme(),
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}).SetupWithManager(mgr); err != nil {
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setupLog.Error(err, "unable to create controller")
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os.Exit(1)
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}
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mgr.AddHealthzCheck("healthz", healthz.Ping)
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mgr.AddReadyzCheck("readyz", healthz.Ping)
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setupLog.Info("starting manager")
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if err := mgr.Start(ctrl.SetupSignalHandler()); err != nil {
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setupLog.Error(err, "manager exited")
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os.Exit(1)
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}
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}
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