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wip: remove openshift/generic-admission-server
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Max Jonas Werner
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Aug 3, 2020
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,85 @@ | ||
| package app | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
|
|
||
| "k8s.io/client-go/rest" | ||
|
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| "github.com/spf13/cobra" | ||
| "k8s.io/component-base/logs" | ||
| "k8s.io/klog" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager" | ||
| "sigs.k8s.io/controller-runtime/pkg/manager/signals" | ||
| ctrwebhook "sigs.k8s.io/controller-runtime/pkg/webhook" | ||
| "sigs.k8s.io/kubefed/pkg/controller/webhook/federatedtypeconfig" | ||
| "sigs.k8s.io/kubefed/pkg/controller/webhook/kubefedcluster" | ||
| "sigs.k8s.io/kubefed/pkg/controller/webhook/kubefedconfig" | ||
| "sigs.k8s.io/kubefed/pkg/version" | ||
| ) | ||
|
|
||
| const ( | ||
| metricsDefaultBindAddress = ":9090" | ||
| healthzDefaultBindAddress = ":8080" | ||
| ) | ||
|
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| var ( | ||
| metricsAddr, healthzAddr string | ||
| ) | ||
|
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| // NewWebhookCommand creates a *cobra.Command object with default parameters | ||
| func NewWebhookCommand(stopChan <-chan struct{}) *cobra.Command { | ||
| verFlag := false | ||
|
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| cmd := &cobra.Command{ | ||
| Use: "webhook", | ||
| Short: "Start a kubefed webhook server", | ||
| Long: "Start a kubefed webhook server", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| fmt.Fprintf(os.Stdout, "KubeFed webhook version: %s\n", fmt.Sprintf("%#v", version.Get())) | ||
| if verFlag { | ||
| os.Exit(0) | ||
| } | ||
| // PrintFlags(cmd.Flags()) | ||
|
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| if err := Run(stopChan); err != nil { | ||
| fmt.Fprintf(os.Stderr, "%v\n", err) | ||
| os.Exit(1) | ||
| } | ||
| }, | ||
| } | ||
|
|
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| // Add the command line flags from other dependencies(klog, kubebuilder, etc.) | ||
| cmd.Flags().AddGoFlagSet(flag.CommandLine) | ||
|
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| cmd.Flags().StringVar(&healthzAddr, "healthz-addr", healthzDefaultBindAddress, "The address the healthz endpoint binds to.") | ||
| cmd.Flags().StringVar(&metricsAddr, "metrics-addr", metricsDefaultBindAddress, "The address the metric endpoint binds to.") | ||
| cmd.Flags().BoolVar(&verFlag, "version", false, "Prints the Version info of controller-manager.") | ||
|
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| return cmd | ||
| } | ||
|
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| // Run runs the webhook with options. This should never exit. | ||
| func Run(stopChan <-chan struct{}) error { | ||
| logs.InitLogs() | ||
| defer logs.FlushLogs() | ||
|
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||
| config := rest.Config{} | ||
| mgr, err := manager.New(&config, manager.Options{}) | ||
| if err != nil { | ||
| klog.Fatalf("error setting up webhook manager: %s", err) | ||
| } | ||
| hookServer := mgr.GetWebhookServer() | ||
|
|
||
| hookServer.Register("/validate-federatedtypeconfigs", &ctrwebhook.Admission{Handler: &federatedtypeconfig.FederatedTypeConfigAdmissionHook{}}) | ||
| hookServer.Register("/validate-kubefedcluster", &ctrwebhook.Admission{Handler: &kubefedcluster.KubeFedClusterAdmissionHook{}}) | ||
| hookServer.Register("/validate-kubefedconfig", &ctrwebhook.Admission{Handler: &kubefedconfig.KubeFedConfigValidator{}}) | ||
| hookServer.Register("/default-kubefedconfig", &ctrwebhook.Admission{Handler: &kubefedconfig.KubeFedConfigDefaulter{}}) | ||
|
|
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| if err := mgr.Start(signals.SetupSignalHandler()); err != nil { | ||
| klog.Fatalf("unable to run manager: %s", err) | ||
| } | ||
|
|
||
| return nil | ||
| } |
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