package main import ( "context" "fmt" "os" "github.com/containers/libpod/cmd/podman/libpodruntime" "github.com/containers/libpod/libpod" "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", }, cli.BoolFlag{ Name: "leave-running, R", Usage: "Leave the container running after writing checkpoint to disk", }, cli.BoolFlag{ Name: "tcp-established", Usage: "Checkpoint a container with established TCP connections", }, cli.BoolFlag{ Name: "all, a", Usage: "Checkpoint all running containers", }, LatestFlag, } 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) options := libpod.ContainerCheckpointOptions{ Keep: c.Bool("keep"), KeepRunning: c.Bool("leave-running"), TCPEstablished: c.Bool("tcp-established"), } if err := checkAllAndLatest(c); err != nil { return err } containers, lastError := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running") for _, ctr := range containers { if err = ctr.Checkpoint(context.TODO(), options); 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 }