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启动过程 main.go: func main() { logs.InitLogs() defer logs.FlushLogs() stopCh := genericapiserver.SetupSignalHandler() options := server.NewWardleServerOptions(os.Stdout, os.Stderr) cmd := server.NewCommandStartWardleServer(options, stopCh) cmd.Flags().AddGoFlagSet(flag.CommandLine) if err := cmd.Execute(); err != nil { klog.Fatal(err) } } options 调用 server.NewWardleServerOption 构建了一个 WardleServerOptions 配置对象 type WardleServerOptions struct { RecommendedOptions *genericoptions.RecommendedOptions SharedInformerFactory informers.SharedInformerFactory StdOut io.Writer StdErr io.Writer } RecommendedOptions 的解释为： // RecommendedOptions contains the recommended options for running an API server. // If you add something to this list, it should be in a logical grouping.