90 lines
3.0 KiB
Go
90 lines
3.0 KiB
Go
package main
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import (
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"github.com/containers/libpod/cmd/podman/cliconfig"
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"github.com/containers/libpod/pkg/adapter"
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"github.com/containers/libpod/pkg/rootless"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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)
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var (
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restoreCommand cliconfig.RestoreValues
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restoreDescription = `
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podman container restore
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Restores a container from a checkpoint. The container name or ID can be used.
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`
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_restoreCommand = &cobra.Command{
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Use: "restore [flags] CONTAINER [CONTAINER...]",
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Short: "Restores one or more containers from a checkpoint",
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Long: restoreDescription,
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RunE: func(cmd *cobra.Command, args []string) error {
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restoreCommand.InputArgs = args
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restoreCommand.GlobalFlags = MainGlobalOpts
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restoreCommand.Remote = remoteclient
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return restoreCmd(&restoreCommand, cmd)
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},
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Args: func(cmd *cobra.Command, args []string) error {
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return checkAllAndLatest(cmd, args, true)
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},
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Example: `podman container restore ctrID
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podman container restore --latest
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podman container restore --all`,
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}
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)
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func init() {
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restoreCommand.Command = _restoreCommand
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restoreCommand.SetHelpTemplate(HelpTemplate())
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restoreCommand.SetUsageTemplate(UsageTemplate())
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flags := restoreCommand.Flags()
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flags.BoolVarP(&restoreCommand.All, "all", "a", false, "Restore all checkpointed containers")
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flags.BoolVarP(&restoreCommand.Keep, "keep", "k", false, "Keep all temporary checkpoint files")
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flags.BoolVarP(&restoreCommand.Latest, "latest", "l", false, "Act on the latest container podman is aware of")
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flags.BoolVar(&restoreCommand.TcpEstablished, "tcp-established", false, "Restore a container with established TCP connections")
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flags.StringVarP(&restoreCommand.Import, "import", "i", "", "Restore from exported checkpoint archive (tar.gz)")
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flags.StringVarP(&restoreCommand.Name, "name", "n", "", "Specify new name for container restored from exported checkpoint (only works with --import)")
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markFlagHiddenForRemoteClient("latest", flags)
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}
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func restoreCmd(c *cliconfig.RestoreValues, cmd *cobra.Command) error {
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if rootless.IsRootless() {
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return errors.New("restoring a container requires root")
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}
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runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
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if err != nil {
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return errors.Wrapf(err, "could not get runtime")
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}
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defer runtime.DeferredShutdown(false)
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if c.Import == "" && c.Name != "" {
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return errors.Errorf("--name can only used with --import")
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}
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if c.Name != "" && c.TcpEstablished {
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return errors.Errorf("--tcp-established cannot be used with --name")
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}
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argLen := len(c.InputArgs)
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if c.Import != "" {
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if c.All || c.Latest {
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return errors.Errorf("Cannot use --import with --all or --latest")
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}
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if argLen > 0 {
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return errors.Errorf("Cannot use --import with positional arguments")
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}
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}
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if (c.All || c.Latest) && argLen > 0 {
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return errors.Errorf("no arguments are needed with --all or --latest")
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}
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if argLen < 1 && !c.All && !c.Latest && c.Import == "" {
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return errors.Errorf("you must provide at least one name or id")
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}
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return runtime.Restore(getContext(), c)
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}
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