package main import ( "fmt" "os" "github.com/pkg/errors" "github.com/urfave/cli" ) var ( pauseDescription = ` kpod pause Pauses one or more running containers. The container name or ID can be used. ` pauseCommand = cli.Command{ Name: "pause", Usage: "Pauses all the processes in one or more containers", Description: pauseDescription, Action: pauseCmd, ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]", } ) func pauseCmd(c *cli.Context) error { runtime, err := getRuntime(c) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) args := c.Args() if len(args) < 1 { return errors.Errorf("you must provide at least one container name or id") } var lastError error for _, arg := range args { ctr, err := runtime.LookupContainer(arg) if err != nil { if lastError != nil { fmt.Fprintln(os.Stderr, lastError) } lastError = errors.Wrapf(err, "error looking up container %q", arg) continue } if err = ctr.Pause(); err != nil { if lastError != nil { fmt.Fprintln(os.Stderr, lastError) } lastError = errors.Wrapf(err, "failed to pause container %v", ctr.ID()) } else { fmt.Println(ctr.ID()) } } return lastError }