101 lines
2.9 KiB
Go
101 lines
2.9 KiB
Go
package images
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/containers/common/pkg/completion"
|
|
"github.com/containers/podman/v3/cmd/podman/registry"
|
|
"github.com/containers/podman/v3/cmd/podman/validate"
|
|
"github.com/containers/podman/v3/pkg/domain/entities"
|
|
"github.com/containers/podman/v3/pkg/util"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/cobra"
|
|
"golang.org/x/crypto/ssh/terminal"
|
|
)
|
|
|
|
var (
|
|
loadDescription = "Loads an image from a locally stored archive (tar file) into container storage."
|
|
loadCommand = &cobra.Command{
|
|
Use: "load [options]",
|
|
Short: "Load image(s) from a tar archive",
|
|
Long: loadDescription,
|
|
RunE: load,
|
|
Args: validate.NoArgs,
|
|
ValidArgsFunction: completion.AutocompleteNone,
|
|
}
|
|
|
|
imageLoadCommand = &cobra.Command{
|
|
Args: loadCommand.Args,
|
|
Use: loadCommand.Use,
|
|
Short: loadCommand.Short,
|
|
Long: loadCommand.Long,
|
|
ValidArgsFunction: loadCommand.ValidArgsFunction,
|
|
RunE: loadCommand.RunE,
|
|
}
|
|
)
|
|
|
|
var (
|
|
loadOpts entities.ImageLoadOptions
|
|
)
|
|
|
|
func init() {
|
|
registry.Commands = append(registry.Commands, registry.CliCommand{
|
|
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
|
|
Command: loadCommand,
|
|
})
|
|
loadFlags(loadCommand)
|
|
registry.Commands = append(registry.Commands, registry.CliCommand{
|
|
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
|
|
Command: imageLoadCommand,
|
|
Parent: imageCmd,
|
|
})
|
|
loadFlags(imageLoadCommand)
|
|
}
|
|
|
|
func loadFlags(cmd *cobra.Command) {
|
|
flags := cmd.Flags()
|
|
|
|
inputFlagName := "input"
|
|
flags.StringVarP(&loadOpts.Input, inputFlagName, "i", "", "Read from specified archive file (default: stdin)")
|
|
_ = cmd.RegisterFlagCompletionFunc(inputFlagName, completion.AutocompleteDefault)
|
|
|
|
flags.BoolVarP(&loadOpts.Quiet, "quiet", "q", false, "Suppress the output")
|
|
flags.StringVar(&loadOpts.SignaturePolicy, "signature-policy", "", "Pathname of signature policy file")
|
|
_ = flags.MarkHidden("signature-policy")
|
|
}
|
|
|
|
func load(cmd *cobra.Command, args []string) error {
|
|
if len(loadOpts.Input) > 0 {
|
|
if _, err := os.Stat(loadOpts.Input); err != nil {
|
|
return err
|
|
}
|
|
} else {
|
|
if terminal.IsTerminal(int(os.Stdin.Fd())) {
|
|
return errors.Errorf("cannot read from terminal. Use command-line redirection or the --input flag.")
|
|
}
|
|
outFile, err := ioutil.TempFile(util.Tmpdir(), "podman")
|
|
if err != nil {
|
|
return errors.Errorf("error creating file %v", err)
|
|
}
|
|
defer os.Remove(outFile.Name())
|
|
defer outFile.Close()
|
|
|
|
_, err = io.Copy(outFile, os.Stdin)
|
|
if err != nil {
|
|
return errors.Errorf("error copying file %v", err)
|
|
}
|
|
loadOpts.Input = outFile.Name()
|
|
}
|
|
response, err := registry.ImageEngine().Load(context.Background(), loadOpts)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
fmt.Println("Loaded image(s): " + strings.Join(response.Names, ","))
|
|
return nil
|
|
}
|