package main import ( "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/spf13/cobra" "os" "github.com/containers/libpod/libpod" "github.com/containers/libpod/libpod/image" "github.com/containers/libpod/pkg/adapter" "github.com/pkg/errors" ) var ( imageExistsCommand cliconfig.ImageExistsValues containerExistsCommand cliconfig.ContainerExistsValues podExistsCommand cliconfig.PodExistsValues imageExistsDescription = `If the named image exists in local storage, podman image exists exits with 0, otherwise the exit code will be 1.` containerExistsDescription = `If the named container exists in local storage, podman container exists exits with 0, otherwise the exit code will be 1.` podExistsDescription = `If the named pod exists in local storage, podman pod exists exits with 0, otherwise the exit code will be 1.` _imageExistsCommand = &cobra.Command{ Use: "exists IMAGE", Short: "Check if an image exists in local storage", Long: imageExistsDescription, RunE: func(cmd *cobra.Command, args []string) error { imageExistsCommand.InputArgs = args imageExistsCommand.GlobalFlags = MainGlobalOpts return imageExistsCmd(&imageExistsCommand) }, Example: `podman image exists imageID podman image exists alpine || podman pull alpine`, } _containerExistsCommand = &cobra.Command{ Use: "exists CONTAINER", Short: "Check if a container exists in local storage", Long: containerExistsDescription, RunE: func(cmd *cobra.Command, args []string) error { containerExistsCommand.InputArgs = args containerExistsCommand.GlobalFlags = MainGlobalOpts return containerExistsCmd(&containerExistsCommand) }, Example: `podman container exists containerID podman container exists myctr || podman run --name myctr [etc...]`, } _podExistsCommand = &cobra.Command{ Use: "exists POD", Short: "Check if a pod exists in local storage", Long: podExistsDescription, RunE: func(cmd *cobra.Command, args []string) error { podExistsCommand.InputArgs = args podExistsCommand.GlobalFlags = MainGlobalOpts return podExistsCmd(&podExistsCommand) }, Example: `podman pod exists podID podman pod exists mypod || podman pod create --name mypod`, } ) func init() { imageExistsCommand.Command = _imageExistsCommand imageExistsCommand.DisableFlagsInUseLine = true imageExistsCommand.SetHelpTemplate(HelpTemplate()) imageExistsCommand.SetUsageTemplate(UsageTemplate()) containerExistsCommand.Command = _containerExistsCommand containerExistsCommand.DisableFlagsInUseLine = true containerExistsCommand.SetHelpTemplate(HelpTemplate()) containerExistsCommand.SetUsageTemplate(UsageTemplate()) podExistsCommand.Command = _podExistsCommand podExistsCommand.DisableFlagsInUseLine = true podExistsCommand.SetHelpTemplate(HelpTemplate()) podExistsCommand.SetUsageTemplate(UsageTemplate()) } func imageExistsCmd(c *cliconfig.ImageExistsValues) error { args := c.InputArgs if len(args) > 1 || len(args) < 1 { return errors.New("you may only check for the existence of one image at a time") } runtime, err := adapter.GetRuntime(&c.PodmanCommand) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) if _, err := runtime.NewImageFromLocal(args[0]); err != nil { //TODO we need to ask about having varlink defined errors exposed //so we can reuse them if errors.Cause(err) == image.ErrNoSuchImage || err.Error() == "io.podman.ImageNotFound" { os.Exit(1) } return err } return nil } func containerExistsCmd(c *cliconfig.ContainerExistsValues) error { args := c.InputArgs if len(args) > 1 || len(args) < 1 { return errors.New("you may only check for the existence of one container at a time") } runtime, err := adapter.GetRuntime(&c.PodmanCommand) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) if _, err := runtime.LookupContainer(args[0]); err != nil { if errors.Cause(err) == libpod.ErrNoSuchCtr || err.Error() == "io.podman.ContainerNotFound" { os.Exit(1) } return err } return nil } func podExistsCmd(c *cliconfig.PodExistsValues) error { args := c.InputArgs if len(args) > 1 || len(args) < 1 { return errors.New("you may only check for the existence of one pod at a time") } runtime, err := adapter.GetRuntime(&c.PodmanCommand) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) if _, err := runtime.LookupPod(args[0]); err != nil { if errors.Cause(err) == libpod.ErrNoSuchPod || err.Error() == "io.podman.PodNotFound" { os.Exit(1) } return err } return nil }