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package main
import (
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
"github.com/containers/libpod/pkg/rootless"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
checkpointCommand cliconfig.CheckpointValues
checkpointDescription = `
podman container checkpoint
Checkpoints one or more running containers. The container name or ID can be used.
`
_checkpointCommand = &cobra.Command{
Use: "checkpoint [flags] CONTAINER [CONTAINER...]",
Short: "Checkpoints one or more containers",
Long: checkpointDescription,
RunE: func(cmd *cobra.Command, args []string) error {
checkpointCommand.InputArgs = args
checkpointCommand.GlobalFlags = MainGlobalOpts
checkpointCommand.Remote = remoteclient
return checkpointCmd(&checkpointCommand)
},
Args: func(cmd *cobra.Command, args []string) error {
return checkAllAndLatest(cmd, args, false)
},
Example: `podman container checkpoint --keep ctrID
podman container checkpoint --all
podman container checkpoint --leave-running --latest`,
}
)
func init() {
checkpointCommand.Command = _checkpointCommand
checkpointCommand.SetHelpTemplate(HelpTemplate())
checkpointCommand.SetUsageTemplate(UsageTemplate())
flags := checkpointCommand.Flags()
flags.BoolVarP(&checkpointCommand.Keep, "keep", "k", false, "Keep all temporary checkpoint files")
flags.BoolVarP(&checkpointCommand.LeaveRunning, "leave-running", "R", false, "Leave the container running after writing checkpoint to disk")
flags.BoolVar(&checkpointCommand.TcpEstablished, "tcp-established", false, "Checkpoint a container with established TCP connections")
flags.BoolVarP(&checkpointCommand.All, "all", "a", false, "Checkpoint all running containers")
flags.BoolVarP(&checkpointCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
flags.StringVarP(&checkpointCommand.Export, "export", "e", "", "Export the checkpoint image to a tar.gz")
markFlagHiddenForRemoteClient("latest", flags)
}
func checkpointCmd(c *cliconfig.CheckpointValues) error {
if rootless.IsRootless() {
return errors.New("checkpointing a container requires root")
}
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.DeferredShutdown(false)
return runtime.Checkpoint(c)
}
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