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package images // import "github.com/docker/docker/daemon/images"
import (
"context"
"encoding/json"
"io"
"time"
"github.com/containerd/containerd/platforms"
"github.com/docker/distribution/reference"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/builder/dockerfile"
"github.com/docker/docker/dockerversion"
"github.com/docker/docker/errdefs"
"github.com/docker/docker/image"
"github.com/docker/docker/layer"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/system"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
)
// ImportImage imports an image, getting the archived layer data from layerReader.
// Uncompressed layer archive is passed to the layerStore and handled by the
// underlying graph driver.
// Image is tagged with the given reference.
// If the platform is nil, the default host platform is used.
// Message is used as the image's history comment.
// Image configuration is derived from the dockerfile instructions in changes.
func (i *ImageService) ImportImage(ctx context.Context, newRef reference.Named, platform *ocispec.Platform, msg string, layerReader io.Reader, changes []string) (image.ID, error) {
if platform == nil {
def := platforms.DefaultSpec()
platform = &def
}
if !system.IsOSSupported(platform.OS) {
return "", errdefs.InvalidParameter(system.ErrNotSupportedOperatingSystem)
}
config, err := dockerfile.BuildFromConfig(ctx, &container.Config{}, changes, platform.OS)
if err != nil {
return "", errdefs.InvalidParameter(err)
}
inflatedLayerData, err := archive.DecompressStream(layerReader)
if err != nil {
return "", err
}
l, err := i.layerStore.Register(inflatedLayerData, "")
if err != nil {
return "", err
}
defer layer.ReleaseAndLog(i.layerStore, l)
created := time.Now().UTC()
imgConfig, err := json.Marshal(&image.Image{
V1Image: image.V1Image{
DockerVersion: dockerversion.Version,
Config: config,
Architecture: platform.Architecture,
Variant: platform.Variant,
OS: platform.OS,
Created: created,
Comment: msg,
},
RootFS: &image.RootFS{
Type: "layers",
DiffIDs: []layer.DiffID{l.DiffID()},
},
History: []image.History{{
Created: created,
Comment: msg,
}},
})
if err != nil {
return "", err
}
id, err := i.imageStore.Create(imgConfig)
if err != nil {
return "", err
}
if newRef != nil {
if err := i.TagImage(ctx, id, newRef); err != nil {
return "", err
}
}
i.LogImageEvent(id.String(), id.String(), "import")
return id, nil
}
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