diff options
Diffstat (limited to 'cmd')
-rw-r--r-- | cmd/podmanV2/containers/export.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/cmd/podmanV2/containers/export.go b/cmd/podmanV2/containers/export.go new file mode 100644 index 000000000..b93b60878 --- /dev/null +++ b/cmd/podmanV2/containers/export.go @@ -0,0 +1,57 @@ +package containers + +import ( + "context" + "os" + + "github.com/containers/libpod/cmd/podmanV2/parse" + "github.com/containers/libpod/cmd/podmanV2/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/pkg/errors" + "github.com/spf13/cobra" + "golang.org/x/crypto/ssh/terminal" +) + +var ( + exportDescription = "Exports container's filesystem contents as a tar archive" + + " and saves it on the local machine." + + exportCommand = &cobra.Command{ + Use: "export [flags] CONTAINER", + Short: "Export container's filesystem contents as a tar archive", + Long: exportDescription, + PersistentPreRunE: preRunE, + RunE: export, + Args: cobra.ExactArgs(1), + Example: `podman export ctrID > myCtr.tar + podman export --output="myCtr.tar" ctrID`, + } +) + +var ( + exportOpts entities.ContainerExportOptions +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: exportCommand, + }) + exportCommand.SetHelpTemplate(registry.HelpTemplate()) + exportCommand.SetUsageTemplate(registry.UsageTemplate()) + flags := exportCommand.Flags() + flags.StringVarP(&exportOpts.Output, "output", "o", "", "Write to a specified file (default: stdout, which must be redirected)") +} + +func export(cmd *cobra.Command, args []string) error { + if len(exportOpts.Output) == 0 { + file := os.Stdout + if terminal.IsTerminal(int(file.Fd())) { + return errors.Errorf("refusing to export to terminal. Use -o flag or redirect") + } + exportOpts.Output = "/dev/stdout" + } else if err := parse.ValidateFileName(exportOpts.Output); err != nil { + return err + } + return registry.ContainerEngine().ContainerExport(context.Background(), args[0], exportOpts) +} |