package main import ( "context" "fmt" "os" "github.com/containers/libpod/cmd/podman/libpodruntime" "github.com/containers/libpod/pkg/rootless" "github.com/pkg/errors" "github.com/urfave/cli" ) var ( checkpointDescription = ` podman container checkpoint Checkpoints one or more running containers. The container name or ID can be used. ` checkpointFlags = []cli.Flag{ cli.BoolFlag{ Name: "keep, k", Usage: "keep all temporary checkpoint files", }, } checkpointCommand = cli.Command{ Name: "checkpoint", Usage: "Checkpoints one or more containers", Description: checkpointDescription, Flags: sortFlags(checkpointFlags), Action: checkpointCmd, ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]", } ) func checkpointCmd(c *cli.Context) error { if rootless.IsRootless() { return errors.New("checkpointing a container requires root") } runtime, err := libpodruntime.GetRuntime(c) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) keep := c.Bool("keep") 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.Checkpoint(context.TODO(), keep); err != nil { if lastError != nil { fmt.Fprintln(os.Stderr, lastError) } lastError = errors.Wrapf(err, "failed to checkpoint container %v", ctr.ID()) } else { fmt.Println(ctr.ID()) } } return lastError }