mirror of
https://github.com/podman-container-tools/podman.git
synced 2026-08-27 02:37:53 +00:00
13d2354bc6
In the previous CLI, we had an accurate depiction of commands available for the remote client and those available for the local client. Signed-off-by: baude <bbaude@redhat.com>
74 lines
1.9 KiB
Go
74 lines
1.9 KiB
Go
package main
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/containers/libpod/cmd/podman/cliconfig"
|
|
"github.com/containers/libpod/libpod/adapter"
|
|
"github.com/containers/libpod/pkg/rootless"
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
exportCommand cliconfig.ExportValues
|
|
exportDescription = "Exports container's filesystem contents as a tar archive" +
|
|
" and saves it on the local machine."
|
|
|
|
_exportCommand = &cobra.Command{
|
|
Use: "export",
|
|
Short: "Export container's filesystem contents as a tar archive",
|
|
Long: exportDescription,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
exportCommand.InputArgs = args
|
|
exportCommand.GlobalFlags = MainGlobalOpts
|
|
return exportCmd(&exportCommand)
|
|
},
|
|
Example: "CONTAINER",
|
|
}
|
|
)
|
|
|
|
func init() {
|
|
exportCommand.Command = _exportCommand
|
|
flags := exportCommand.Flags()
|
|
flags.StringVarP(&exportCommand.Output, "output", "o", "/dev/stdout", "Write to a file, default is STDOUT")
|
|
}
|
|
|
|
// exportCmd saves a container to a tarball on disk
|
|
func exportCmd(c *cliconfig.ExportValues) error {
|
|
if os.Geteuid() != 0 {
|
|
rootless.SetSkipStorageSetup(true)
|
|
}
|
|
|
|
runtime, err := adapter.GetRuntime(&c.PodmanCommand)
|
|
if err != nil {
|
|
return errors.Wrapf(err, "could not get runtime")
|
|
}
|
|
defer runtime.Shutdown(false)
|
|
|
|
args := c.InputArgs
|
|
if len(args) == 0 {
|
|
return errors.Errorf("container id must be specified")
|
|
}
|
|
if len(args) > 1 {
|
|
return errors.Errorf("too many arguments given, need 1 at most.")
|
|
}
|
|
|
|
output := c.Output
|
|
if runtime.Remote && (output == "/dev/stdout" || len(output) == 0) {
|
|
return errors.New("remote client usage must specify an output file (-o)")
|
|
}
|
|
|
|
if output == "/dev/stdout" {
|
|
file := os.Stdout
|
|
if logrus.IsTerminal(file) {
|
|
return errors.Errorf("refusing to export to terminal. Use -o flag or redirect")
|
|
}
|
|
}
|
|
|
|
if err := validateFileName(output); err != nil {
|
|
return err
|
|
}
|
|
return runtime.Export(args[0], output)
|
|
}
|