podman/vendor/github.com/docker/docker/client/image_inspect.go

77 lines
2.0 KiB
Go

package client
import (
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"net/url"
"github.com/docker/docker/api/types/image"
)
// ImageInspect returns the image information.
func (cli *Client) ImageInspect(ctx context.Context, imageID string, inspectOpts ...ImageInspectOption) (image.InspectResponse, error) {
if imageID == "" {
return image.InspectResponse{}, objectNotFoundError{object: "image", id: imageID}
}
var opts imageInspectOpts
for _, opt := range inspectOpts {
if err := opt.Apply(&opts); err != nil {
return image.InspectResponse{}, fmt.Errorf("error applying image inspect option: %w", err)
}
}
query := url.Values{}
if opts.apiOptions.Manifests {
if err := cli.NewVersionError(ctx, "1.48", "manifests"); err != nil {
return image.InspectResponse{}, err
}
query.Set("manifests", "1")
}
if opts.apiOptions.Platform != nil {
if err := cli.NewVersionError(ctx, "1.49", "platform"); err != nil {
return image.InspectResponse{}, err
}
platform, err := encodePlatform(opts.apiOptions.Platform)
if err != nil {
return image.InspectResponse{}, err
}
query.Set("platform", platform)
}
resp, err := cli.get(ctx, "/images/"+imageID+"/json", query, nil)
defer ensureReaderClosed(resp)
if err != nil {
return image.InspectResponse{}, err
}
buf := opts.raw
if buf == nil {
buf = &bytes.Buffer{}
}
if _, err := io.Copy(buf, resp.Body); err != nil {
return image.InspectResponse{}, err
}
var response image.InspectResponse
err = json.Unmarshal(buf.Bytes(), &response)
return response, err
}
// ImageInspectWithRaw returns the image information and its raw representation.
//
// Deprecated: Use [Client.ImageInspect] instead. Raw response can be obtained using the [ImageInspectWithRawResponse] option.
func (cli *Client) ImageInspectWithRaw(ctx context.Context, imageID string) (image.InspectResponse, []byte, error) {
var buf bytes.Buffer
resp, err := cli.ImageInspect(ctx, imageID, ImageInspectWithRawResponse(&buf))
if err != nil {
return image.InspectResponse{}, nil, err
}
return resp, buf.Bytes(), err
}