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buildx/commands/imagetools/inspect.go

92 lines
2.0 KiB
Go

package commands
import (
"fmt"
"os"
"github.com/containerd/containerd/images"
"github.com/docker/buildx/store"
"github.com/docker/buildx/store/storeutil"
"github.com/docker/buildx/util/imagetools"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/moby/buildkit/util/appcontext"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/spf13/cobra"
)
type inspectOptions struct {
raw bool
builder string
}
func runInspect(dockerCli command.Cli, in inspectOptions, name string) error {
ctx := appcontext.Context()
txn, release, err := storeutil.GetStore(dockerCli)
if err != nil {
return err
}
defer release()
var ng *store.NodeGroup
if in.builder != "" {
ng, err = storeutil.GetNodeGroup(txn, dockerCli, in.builder)
if err != nil {
return err
}
} else {
ng, err = storeutil.GetCurrentInstance(txn, dockerCli)
if err != nil {
return err
}
}
imageopt, err := storeutil.GetImageConfig(dockerCli, ng)
if err != nil {
return err
}
r := imagetools.New(imageopt)
dt, desc, err := r.Get(ctx, name)
if err != nil {
return err
}
if in.raw {
fmt.Printf("%s", dt) // avoid newline to keep digest
return nil
}
switch desc.MediaType {
// case images.MediaTypeDockerSchema2Manifest, specs.MediaTypeImageManifest:
// TODO: handle distribution manifest and schema1
case images.MediaTypeDockerSchema2ManifestList, ocispec.MediaTypeImageIndex:
return imagetools.PrintManifestList(dt, desc, name, os.Stdout)
default:
fmt.Printf("%s\n", dt)
}
return nil
}
func inspectCmd(dockerCli command.Cli, rootOpts RootOptions) *cobra.Command {
var options inspectOptions
cmd := &cobra.Command{
Use: "inspect [OPTIONS] NAME",
Short: "Show details of image in the registry",
Args: cli.ExactArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
options.builder = rootOpts.Builder
return runInspect(dockerCli, options, args[0])
},
}
flags := cmd.Flags()
flags.BoolVar(&options.raw, "raw", false, "Show original JSON manifest")
return cmd
}