package pods import ( "fmt" "io/ioutil" "os" "github.com/containers/libpod/v2/cmd/podman/registry" "github.com/containers/libpod/v2/cmd/podman/utils" "github.com/containers/libpod/v2/pkg/domain/entities" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( kubeOptions = entities.GenerateKubeOptions{} kubeFile = "" kubeDescription = `Command generates Kubernetes pod and service YAML (v1 specification) from a Podman container or pod. Whether the input is for a container or pod, Podman will always generate the specification as a pod.` kubeCmd = &cobra.Command{ Use: "kube [flags] CONTAINER | POD", Short: "Generate Kubernetes YAML from a container or pod.", Long: kubeDescription, RunE: kube, Args: cobra.ExactArgs(1), Example: `podman generate kube ctrID podman generate kube podID podman generate kube --service podID`, } ) func init() { registry.Commands = append(registry.Commands, registry.CliCommand{ Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: kubeCmd, Parent: generateCmd, }) flags := kubeCmd.Flags() flags.BoolVarP(&kubeOptions.Service, "service", "s", false, "Generate YAML for a Kubernetes service object") flags.StringVarP(&kubeFile, "filename", "f", "", "Write output to the specified path") flags.SetNormalizeFunc(utils.AliasFlags) } func kube(cmd *cobra.Command, args []string) error { report, err := registry.ContainerEngine().GenerateKube(registry.GetContext(), args[0], kubeOptions) if err != nil { return err } content, err := ioutil.ReadAll(report.Reader) if err != nil { return err } if cmd.Flags().Changed("filename") { if _, err := os.Stat(kubeFile); err == nil { return errors.Errorf("cannot write to %q", kubeFile) } if err := ioutil.WriteFile(kubeFile, content, 0644); err != nil { return errors.Wrapf(err, "cannot write to %q", kubeFile) } return nil } fmt.Println(string(content)) return nil }