mirror of
https://github.com/tailscale/tailscale.git
synced 2025-04-08 01:05:35 +00:00
69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
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package main
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import (
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"github.com/go-logr/zapr"
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"go.uber.org/zap/zapcore"
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corev1 "k8s.io/api/core/v1"
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"sigs.k8s.io/controller-runtime/pkg/builder"
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"sigs.k8s.io/controller-runtime/pkg/cache"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"sigs.k8s.io/controller-runtime/pkg/client/config"
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logf "sigs.k8s.io/controller-runtime/pkg/log"
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kzap "sigs.k8s.io/controller-runtime/pkg/log/zap"
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"sigs.k8s.io/controller-runtime/pkg/manager"
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"sigs.k8s.io/controller-runtime/pkg/manager/signals"
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"tailscale.com/version"
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)
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// TODO: add an option to configure namespaces to watch
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const tsNamespace = "tailscale"
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func main() {
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zlog := kzap.NewRaw(kzap.Level(zapcore.DebugLevel)).Sugar()
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logf.SetLogger(zapr.NewLogger(zlog.Desugar()))
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startLog := zlog.Named("startup")
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restConfig := config.GetConfigOrDie()
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nsFilter := cache.ByObject{
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Field: client.InNamespace(tsNamespace).AsSelector(),
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}
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mgrOpts := manager.Options{
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// TODO (irbekrm): stricter filtering what we watch/cache/call
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// reconcilers on. c/r by default starts a watch on any
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// resources that we GET via the controller manager's client.
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Cache: cache.Options{
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ByObject: map[client.Object]cache.ByObject{
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&corev1.Pod{}: nsFilter,
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&corev1.ConfigMap{}: nsFilter,
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},
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},
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}
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mgr, err := manager.New(restConfig, mgrOpts)
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if err != nil {
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startLog.Fatalf("could not create manager: %v", err)
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}
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// TODO: cache metadata only as else this will cache all Pods in cluster
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// -> high memory consumption.
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err = builder.
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ControllerManagedBy(mgr).
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Named("pods-reconciler").
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For(&corev1.Pod{}).
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Complete(&podReconciler{
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logger: zlog.Named("pods-reconciler"),
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Client: mgr.GetClient(),
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})
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if err != nil {
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startLog.Fatalf("could not create pods reconciler: %v", err)
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}
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zlog.Infof("Startup complete, operator running, version: %s", version.Long())
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if err := mgr.Start(signals.SetupSignalHandler()); err != nil {
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startLog.Fatalf("could not start manager: %v", err)
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}
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}
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