package main import ( "fmt" "os" "github.com/kubernetes-incubator/cri-o/libkpod" "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") } config, err := getConfig(c) if err != nil { return errors.Wrapf(err, "could not get config") } server, err := libkpod.New(config) if err != nil { return errors.Wrapf(err, "could not get container server") } defer server.Shutdown() err = server.Update() if err != nil { return errors.Wrapf(err, "could not update list of containers") } var lastError error for _, container := range c.Args() { returnCode, err := server.ContainerWait(container) 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 }