package main import ( "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/libpod/define" "github.com/containers/libpod/pkg/adapter" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( execCommand cliconfig.ExecValues execDescription = `Execute the specified command inside a running container. ` _execCommand = &cobra.Command{ Use: "exec [flags] CONTAINER [COMMAND [ARG...]]", Short: "Run a process in a running container", Long: execDescription, RunE: func(cmd *cobra.Command, args []string) error { execCommand.InputArgs = args execCommand.GlobalFlags = MainGlobalOpts execCommand.Remote = remoteclient return execCmd(&execCommand) }, Example: `podman exec -it ctrID ls podman exec -it -w /tmp myCtr pwd podman exec --user root ctrID ls`, } ) func init() { execCommand.Command = _execCommand execCommand.SetHelpTemplate(HelpTemplate()) execCommand.SetUsageTemplate(UsageTemplate()) flags := execCommand.Flags() flags.SetInterspersed(false) flags.StringVar(&execCommand.DetachKeys, "detach-keys", define.DefaultDetachKeys, "Select the key sequence for detaching a container. Format is a single character [a-Z] or ctrl- where is one of: a-z, @, ^, [, , or _") // Clear the default, the value specified in the config file should have the // priority execCommand.DetachKeys = "" flags.StringArrayVarP(&execCommand.Env, "env", "e", []string{}, "Set environment variables") flags.StringSliceVar(&execCommand.EnvFile, "env-file", []string{}, "Read in a file of environment variables") flags.BoolVarP(&execCommand.Interactive, "interactive", "i", false, "Keep STDIN open even if not attached") flags.BoolVarP(&execCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of") flags.BoolVar(&execCommand.Privileged, "privileged", false, "Give the process extended Linux capabilities inside the container. The default is false") flags.BoolVarP(&execCommand.Tty, "tty", "t", false, "Allocate a pseudo-TTY. The default is false") flags.StringVarP(&execCommand.User, "user", "u", "", "Sets the username or UID used and optionally the groupname or GID for the specified command") flags.IntVar(&execCommand.PreserveFDs, "preserve-fds", 0, "Pass N additional file descriptors to the container") flags.StringVarP(&execCommand.Workdir, "workdir", "w", "", "Working directory inside the container") markFlagHiddenForRemoteClient("env-file", flags) markFlagHiddenForRemoteClient("latest", flags) markFlagHiddenForRemoteClient("preserve-fds", flags) } func execCmd(c *cliconfig.ExecValues) error { argLen := len(c.InputArgs) if c.Latest { if argLen < 1 { return errors.Errorf("you must provide a command to exec") } } else { if argLen < 1 { return errors.Errorf("you must provide one container name or id") } if argLen < 2 { return errors.Errorf("you must provide a command to exec") } } runtime, err := adapter.GetRuntimeNoStore(getContext(), &c.PodmanCommand) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } defer runtime.DeferredShutdown(false) exitCode, err = runtime.ExecContainer(getContext(), c) return err }