package main import ( "fmt" "os" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/cmd/podman/shared" "github.com/containers/libpod/libpod" "github.com/containers/libpod/pkg/adapter" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/spf13/cobra" ) var ( // Kernel namespaces shared by default within a pod podCreateCommand cliconfig.PodCreateValues podCreateDescription = `After creating the pod, the pod ID is printed to stdout. You can then start it at any time with the podman pod start command. The pod will be created with the initial state 'created'.` _podCreateCommand = &cobra.Command{ Use: "create", Args: noSubArgs, Short: "Create a new empty pod", Long: podCreateDescription, RunE: func(cmd *cobra.Command, args []string) error { podCreateCommand.InputArgs = args podCreateCommand.GlobalFlags = MainGlobalOpts return podCreateCmd(&podCreateCommand) }, } ) func init() { podCreateCommand.Command = _podCreateCommand podCreateCommand.SetHelpTemplate(HelpTemplate()) podCreateCommand.SetUsageTemplate(UsageTemplate()) flags := podCreateCommand.Flags() flags.SetInterspersed(false) flags.StringVar(&podCreateCommand.CgroupParent, "cgroup-parent", "", "Set parent cgroup for the pod") flags.BoolVar(&podCreateCommand.Infra, "infra", true, "Create an infra container associated with the pod to share namespaces with") flags.StringVar(&podCreateCommand.InfraImage, "infra-image", libpod.DefaultInfraImage, "The image of the infra container to associate with the pod") flags.StringVar(&podCreateCommand.InfraCommand, "infra-command", libpod.DefaultInfraCommand, "The command to run on the infra container when the pod is started") flags.StringSliceVar(&podCreateCommand.LabelFile, "label-file", []string{}, "Read in a line delimited file of labels") flags.StringSliceVarP(&podCreateCommand.Labels, "label", "l", []string{}, "Set metadata on pod (default [])") flags.StringVarP(&podCreateCommand.Name, "name", "n", "", "Assign a name to the pod") flags.StringVar(&podCreateCommand.PodIDFile, "pod-id-file", "", "Write the pod ID to the file") flags.StringSliceVarP(&podCreateCommand.Publish, "publish", "p", []string{}, "Publish a container's port, or a range of ports, to the host (default [])") flags.StringVar(&podCreateCommand.Share, "share", shared.DefaultKernelNamespaces, "A comma delimited list of kernel namespaces the pod will share") } func podCreateCmd(c *cliconfig.PodCreateValues) error { var ( err error podIdFile *os.File ) runtime, err := adapter.GetRuntime(&c.PodmanCommand) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } defer runtime.Shutdown(false) if len(c.Publish) > 0 { if !c.Infra { return errors.Errorf("you must have an infra container to publish port bindings to the host") } } if !c.Infra && c.Flag("share").Changed && c.Share != "none" && c.Share != "" { return errors.Errorf("You cannot share kernel namespaces on the pod level without an infra container") } if c.Flag("pod-id-file").Changed && os.Geteuid() == 0 { podIdFile, err = libpod.OpenExclusiveFile(c.PodIDFile) if err != nil && os.IsExist(err) { return errors.Errorf("pod id file exists. Ensure another pod is not using it or delete %s", c.PodIDFile) } if err != nil { return errors.Errorf("error opening pod-id-file %s", c.PodIDFile) } defer podIdFile.Close() defer podIdFile.Sync() } labels, err := shared.GetAllLabels(c.LabelFile, c.Labels) if err != nil { return errors.Wrapf(err, "unable to process labels") } podID, err := runtime.CreatePod(getContext(), c, labels) if err != nil { return errors.Wrapf(err, "unable to create pod") } if podIdFile != nil { _, err = podIdFile.WriteString(podID) if err != nil { logrus.Error(err) } } fmt.Printf("%s\n", podID) return nil }