github.com/khulnasoft/cli@v0.0.0-20240402070845-01bcad7beefa/cli/command/image/import.go (about)

     1  package image
     2  
     3  import (
     4  	"context"
     5  	"os"
     6  	"strings"
     7  
     8  	"github.com/docker/docker/api/types"
     9  	"github.com/docker/docker/api/types/image"
    10  	"github.com/docker/docker/pkg/jsonmessage"
    11  	"github.com/khulnasoft/cli/cli"
    12  	"github.com/khulnasoft/cli/cli/command"
    13  	dockeropts "github.com/khulnasoft/cli/opts"
    14  	"github.com/spf13/cobra"
    15  )
    16  
    17  type importOptions struct {
    18  	source    string
    19  	reference string
    20  	changes   dockeropts.ListOpts
    21  	message   string
    22  	platform  string
    23  }
    24  
    25  // NewImportCommand creates a new `docker import` command
    26  func NewImportCommand(dockerCli command.Cli) *cobra.Command {
    27  	var options importOptions
    28  
    29  	cmd := &cobra.Command{
    30  		Use:   "import [OPTIONS] file|URL|- [REPOSITORY[:TAG]]",
    31  		Short: "Import the contents from a tarball to create a filesystem image",
    32  		Args:  cli.RequiresMinArgs(1),
    33  		RunE: func(cmd *cobra.Command, args []string) error {
    34  			options.source = args[0]
    35  			if len(args) > 1 {
    36  				options.reference = args[1]
    37  			}
    38  			return runImport(cmd.Context(), dockerCli, options)
    39  		},
    40  		Annotations: map[string]string{
    41  			"aliases": "docker image import, docker import",
    42  		},
    43  	}
    44  
    45  	flags := cmd.Flags()
    46  
    47  	options.changes = dockeropts.NewListOpts(nil)
    48  	flags.VarP(&options.changes, "change", "c", "Apply Dockerfile instruction to the created image")
    49  	flags.StringVarP(&options.message, "message", "m", "", "Set commit message for imported image")
    50  	command.AddPlatformFlag(flags, &options.platform)
    51  
    52  	return cmd
    53  }
    54  
    55  func runImport(ctx context.Context, dockerCli command.Cli, options importOptions) error {
    56  	var source types.ImageImportSource
    57  	switch {
    58  	case options.source == "-":
    59  		// import from STDIN
    60  		source = types.ImageImportSource{
    61  			Source:     dockerCli.In(),
    62  			SourceName: options.source,
    63  		}
    64  	case strings.HasPrefix(options.source, "https://"), strings.HasPrefix(options.source, "http://"):
    65  		// import from a remote source (handled by the daemon)
    66  		source = types.ImageImportSource{
    67  			SourceName: options.source,
    68  		}
    69  	default:
    70  		// import from a local file
    71  		file, err := os.Open(options.source)
    72  		if err != nil {
    73  			return err
    74  		}
    75  		defer file.Close()
    76  		source = types.ImageImportSource{
    77  			Source:     file,
    78  			SourceName: "-",
    79  		}
    80  	}
    81  
    82  	responseBody, err := dockerCli.Client().ImageImport(ctx, source, options.reference, image.ImportOptions{
    83  		Message:  options.message,
    84  		Changes:  options.changes.GetAll(),
    85  		Platform: options.platform,
    86  	})
    87  	if err != nil {
    88  		return err
    89  	}
    90  	defer responseBody.Close()
    91  
    92  	return jsonmessage.DisplayJSONMessagesToStream(responseBody, dockerCli.Out(), nil)
    93  }