447a51f08b
* feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> * feat: kubesphere 4.0 Signed-off-by: ci-bot <ci-bot@kubesphere.io> --------- Signed-off-by: ci-bot <ci-bot@kubesphere.io> Co-authored-by: ks-ci-bot <ks-ci-bot@example.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
/*
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* Please refer to the LICENSE file in the root directory of the project.
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* https://github.com/kubesphere/kubesphere/blob/master/LICENSE
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*/
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package app
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"github.com/google/gops/agent"
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"github.com/spf13/cobra"
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utilerrors "k8s.io/apimachinery/pkg/util/errors"
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cliflag "k8s.io/component-base/cli/flag"
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"k8s.io/klog/v2"
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"sigs.k8s.io/controller-runtime/pkg/manager/signals"
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"kubesphere.io/kubesphere/cmd/ks-apiserver/app/options"
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"kubesphere.io/kubesphere/pkg/config"
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"kubesphere.io/kubesphere/pkg/constants"
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"kubesphere.io/kubesphere/pkg/utils/term"
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"kubesphere.io/kubesphere/pkg/version"
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)
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func NewAPIServerCommand() *cobra.Command {
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s := options.NewAPIServerOptions()
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if conf, err := config.TryLoadFromDisk(); err == nil {
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s.Merge(conf)
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} else {
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klog.Fatalf("Failed to load configuration from disk: %v", err)
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}
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cmd := &cobra.Command{
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Use: constants.KubeSphereAPIServerName,
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Long: `The KubeSphere API server validates and configures data for the API objects.
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The API Server services REST operations and provides the frontend to the
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cluster's shared state through which all other components interact.`,
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RunE: func(cmd *cobra.Command, args []string) error {
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if errs := s.Validate(); len(errs) != 0 {
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return utilerrors.NewAggregate(errs)
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}
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if s.DebugMode {
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// Add agent to report additional information such as the current stack trace, Go version, memory stats, etc.
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// Bind to a random port on address 127.0.0.1.
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if err := agent.Listen(agent.Options{}); err != nil {
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klog.Fatalln(err)
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}
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}
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return Run(signals.SetupSignalHandler(), s)
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},
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SilenceUsage: true,
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}
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fs := cmd.Flags()
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namedFlagSets := s.Flags()
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for _, f := range namedFlagSets.FlagSets {
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fs.AddFlagSet(f)
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}
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usageFmt := "Usage:\n %s\n"
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cols, _, _ := term.TerminalSize(cmd.OutOrStdout())
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cmd.SetHelpFunc(func(cmd *cobra.Command, args []string) {
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_, _ = fmt.Fprintf(cmd.OutOrStdout(), "%s\n\n"+usageFmt, cmd.Long, cmd.UseLine())
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cliflag.PrintSections(cmd.OutOrStdout(), namedFlagSets, cols)
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})
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versionCmd := &cobra.Command{
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Use: "version",
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Short: "Print the version of KubeSphere ks-apiserver",
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Run: func(cmd *cobra.Command, args []string) {
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cmd.Println(version.Get())
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},
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}
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cmd.AddCommand(versionCmd)
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return cmd
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}
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func Run(ctx context.Context, s *options.APIServerOptions) error {
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apiServer, err := s.NewAPIServer(ctx)
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if err != nil {
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return err
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}
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if err = apiServer.PrepareRun(ctx.Done()); err != nil {
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return err
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}
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if errors.Is(apiServer.Run(ctx), http.ErrServerClosed) {
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return nil
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}
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return err
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}
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