diff options
Diffstat (limited to 'cmd/podman/system_migrate.go')
-rw-r--r-- | cmd/podman/system_migrate.go | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/cmd/podman/system_migrate.go b/cmd/podman/system_migrate.go new file mode 100644 index 000000000..4a0afcfad --- /dev/null +++ b/cmd/podman/system_migrate.go @@ -0,0 +1,50 @@ +package main + +import ( + "github.com/containers/libpod/cmd/podman/cliconfig" + "github.com/containers/libpod/cmd/podman/libpodruntime" + "github.com/pkg/errors" + "github.com/spf13/cobra" +) + +var ( + migrateCommand cliconfig.SystemMigrateValues + migrateDescription = ` + podman system migrate + + Migrate existing containers to a new version of Podman. +` + + _migrateCommand = &cobra.Command{ + Use: "migrate", + Args: noSubArgs, + Short: "Migrate containers", + Long: migrateDescription, + RunE: func(cmd *cobra.Command, args []string) error { + migrateCommand.InputArgs = args + migrateCommand.GlobalFlags = MainGlobalOpts + return migrateCmd(&migrateCommand) + }, + } +) + +func init() { + migrateCommand.Command = _migrateCommand + migrateCommand.SetHelpTemplate(HelpTemplate()) + migrateCommand.SetUsageTemplate(UsageTemplate()) +} + +func migrateCmd(c *cliconfig.SystemMigrateValues) error { + // We need to pass one extra option to NewRuntime. + // This will inform the OCI runtime to start a migrate. + // That's controlled by the last argument to GetRuntime. + r, err := libpodruntime.GetRuntimeMigrate(getContext(), &c.PodmanCommand) + if err != nil { + return errors.Wrapf(err, "error migrating containers") + } + if err := r.Shutdown(false); err != nil { + return err + } + + return nil +} |