package main import ( "fmt" "os" "github.com/pkg/errors" "github.com/urfave/cli" ) var ( waitDescription = ` kpod wait Block until one or more containers stop and then print their exit codes ` waitCommand = cli.Command{ Name: "wait", Usage: "Block on one or more containers", Description: waitDescription, Action: waitCmd, ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]", } ) func waitCmd(c *cli.Context) error { args := c.Args() if len(args) < 1 { return errors.Errorf("you must provide at least one container name or id") } runtime, err := getRuntime(c) if err != nil { return errors.Wrapf(err, "error creating libpod runtime") } defer runtime.Shutdown(false) if err != nil { return errors.Wrapf(err, "could not get config") } var lastError error for _, container := range c.Args() { ctr, err := runtime.LookupContainer(container) if err != nil { return errors.Wrapf(err, "unable to find container %s", container) } returnCode, err := ctr.Wait() if err != nil { if lastError != nil { fmt.Fprintln(os.Stderr, lastError) } lastError = errors.Wrapf(err, "failed to wait for the container %v", container) } else { fmt.Println(returnCode) } } return lastError }