package main import ( "fmt" "github.com/pkg/errors" "github.com/projectatomic/libpod/libpod" "github.com/sirupsen/logrus" "github.com/urfave/cli" ) var runDescription = "Runs a command in a new container from the given image" var runCommand = cli.Command{ Name: "run", Usage: "run a command in a new container", Description: runDescription, Flags: createFlags, Action: runCmd, ArgsUsage: "IMAGE [COMMAND [ARG...]]", } func runCmd(c *cli.Context) error { if err := validateFlags(c, createFlags); err != nil { return err } runtime, err := getRuntime(c) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } createConfig, err := parseCreateOpts(c, runtime) if err != nil { return err } createImage := runtime.NewImage(createConfig.image) if !createImage.HasImageLocal() { // The image wasnt found by the user input'd name or its fqname // Pull the image fmt.Printf("Trying to pull %s...", createImage.PullName) createImage.Pull() } runtimeSpec, err := createConfigToOCISpec(createConfig) if err != nil { return err } defer runtime.Shutdown(false) logrus.Debug("spec is ", runtimeSpec) imageName, err := createImage.GetFQName() if err != nil { return err } logrus.Debug("imageName is ", imageName) imageID, err := createImage.GetImageID() if err != nil { return err } logrus.Debug("imageID is ", imageID) options, err := createConfig.GetContainerCreateOptions(c) if err != nil { return errors.Wrapf(err, "unable to parse new container options") } // Gather up the options for NewContainer which consist of With... funcs options = append(options, libpod.WithRootFSFromImage(imageID, imageName, false)) ctr, err := runtime.NewContainer(runtimeSpec, options...) if err != nil { return err } logrus.Debug("new container created ", ctr.ID()) if err := ctr.Create(); err != nil { return err } logrus.Debug("container storage created for %q", ctr.ID()) if c.String("cidfile") != "" { libpod.WriteFile(ctr.ID(), c.String("cidfile")) return nil } // Start the container if err := ctr.Start(); err != nil { return errors.Wrapf(err, "unable to start container %q", ctr.ID()) } logrus.Debug("started container ", ctr.ID()) if createConfig.tty { // Attach to the running container logrus.Debug("trying to attach to the container %s", ctr.ID()) if err := ctr.Attach(false, c.String("detach-keys")); err != nil { return errors.Wrapf(err, "unable to attach to container %s", ctr.ID()) } } else { fmt.Printf("%s\n", ctr.ID()) } return nil }