internal/registry: remove RepositoryInfo, add NewIndexInfo

Most places only use IndexInfo (and may not even need that), so replace
the use of ParseRepositoryInfo for NewIndexInfo, and move the RepositoryInfo
type to the trust package, which uses it as part of its ImageRefAndAuth
struct.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

cli/command/image/push.go

@@ -105,10 +105,10 @@ To push the complete multi-platform image, remove the --platform flag.
 	}
 
 	// Resolve the Repository name from fqn to RepositoryInfo
-	repoInfo := registry.ParseRepositoryInfo(ref)
+	indexInfo := registry.NewIndexInfo(ref)
 
 	// Resolve the Auth config relevant for this server
-	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), repoInfo.Index)
+	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), indexInfo)
 	encodedAuth, err := registrytypes.EncodeAuthConfig(authConfig)
 	if err != nil {
 		return err
@@ -134,7 +134,7 @@ To push the complete multi-platform image, remove the --platform flag.
 	defer responseBody.Close()
 	if !opts.untrusted {
 		// TODO pushTrustedReference currently doesn't respect `--quiet`
-		return pushTrustedReference(ctx, dockerCli, repoInfo, ref, authConfig, responseBody)
+		return pushTrustedReference(ctx, dockerCli, indexInfo, ref, authConfig, responseBody)
 	}
 
 	if opts.quiet {

cli/command/image/trust.go

@@ -11,7 +11,6 @@ import (
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/cli/cli/trust"
 	"github.com/docker/cli/internal/jsonstream"
-	"github.com/docker/cli/internal/registry"
 	"github.com/moby/moby/api/types/image"
 	registrytypes "github.com/moby/moby/api/types/registry"
 	"github.com/opencontainers/go-digest"
@@ -42,7 +41,11 @@ func newNotaryClient(cli command.Streams, imgRefAndAuth trust.ImageRefAndAuth) (
 }
 
 // pushTrustedReference pushes a canonical reference to the trust server.
-func pushTrustedReference(ctx context.Context, ioStreams command.Streams, repoInfo *registry.RepositoryInfo, ref reference.Named, authConfig registrytypes.AuthConfig, in io.Reader) error {
+func pushTrustedReference(ctx context.Context, ioStreams command.Streams, indexInfo *registrytypes.IndexInfo, ref reference.Named, authConfig registrytypes.AuthConfig, in io.Reader) error {
+	repoInfo := &trust.RepositoryInfo{
+		Name:  reference.TrimNamed(ref),
+		Index: indexInfo,
+	}
 	return trust.PushTrustedReference(ctx, ioStreams, repoInfo, ref, authConfig, in, command.UserAgent())
 }
 

cli/command/plugin/install.go

@@ -66,7 +66,7 @@ func buildPullConfig(ctx context.Context, dockerCli command.Cli, opts pluginOpti
 		return client.PluginInstallOptions{}, err
 	}
 
-	repoInfo := registry.ParseRepositoryInfo(ref)
+	indexInfo := registry.NewIndexInfo(ref)
 	remote := ref.String()
 
 	_, isCanonical := ref.(reference.Canonical)
@@ -84,7 +84,7 @@ func buildPullConfig(ctx context.Context, dockerCli command.Cli, opts pluginOpti
 		remote = reference.FamiliarString(trusted)
 	}
 
-	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), repoInfo.Index)
+	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), indexInfo)
 	encodedAuth, err := registrytypes.EncodeAuthConfig(authConfig)
 	if err != nil {
 		return client.PluginInstallOptions{}, err

cli/command/plugin/push.go

@@ -49,8 +49,8 @@ func runPush(ctx context.Context, dockerCli command.Cli, opts pushOptions) error
 
 	named = reference.TagNameOnly(named)
 
-	repoInfo := registry.ParseRepositoryInfo(named)
-	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), repoInfo.Index)
+	indexInfo := registry.NewIndexInfo(named)
+	authConfig := command.ResolveAuthConfig(dockerCli.ConfigFile(), indexInfo)
 	encodedAuth, err := registrytypes.EncodeAuthConfig(authConfig)
 	if err != nil {
 		return err
@@ -65,6 +65,10 @@ func runPush(ctx context.Context, dockerCli command.Cli, opts pushOptions) error
 	}()
 
 	if !opts.untrusted {
+		repoInfo := &trust.RepositoryInfo{
+			Name:  reference.TrimNamed(named),
+			Index: indexInfo,
+		}
 		return trust.PushTrustedReference(ctx, dockerCli, repoInfo, named, authConfig, responseBody, command.UserAgent())
 	}
 

cli/command/service/trust.go

@@ -51,9 +51,12 @@ func resolveServiceImageDigestContentTrust(dockerCli command.Cli, service *swarm
 }
 
 func trustedResolveDigest(cli command.Cli, ref reference.NamedTagged) (reference.Canonical, error) {
-	repoInfo := registry.ParseRepositoryInfo(ref)
-	authConfig := command.ResolveAuthConfig(cli.ConfigFile(), repoInfo.Index)
-
+	indexInfo := registry.NewIndexInfo(ref)
+	authConfig := command.ResolveAuthConfig(cli.ConfigFile(), indexInfo)
+	repoInfo := &trust.RepositoryInfo{
+		Name:  reference.TrimNamed(ref),
+		Index: indexInfo,
+	}
 	notaryRepo, err := trust.GetNotaryRepository(cli.In(), cli.Out(), command.UserAgent(), repoInfo, &authConfig, "pull")
 	if err != nil {
 		return nil, errors.Wrap(err, "error establishing connection to trust repository")

cli/registry/client/endpoint.go

@@ -34,8 +34,7 @@ func (r repositoryEndpoint) BaseURL() string {
 
 func newDefaultRepositoryEndpoint(ref reference.Named, insecure bool) (repositoryEndpoint, error) {
 	repoName := reference.TrimNamed(ref)
-	repoInfo := registry.ParseRepositoryInfo(ref)
-	indexInfo := repoInfo.Index
+	indexInfo := registry.NewIndexInfo(ref)
 
 	endpoint, err := getDefaultEndpoint(ref, !indexInfo.Secure)
 	if err != nil {

cli/registry/client/fetcher.go

@@ -221,8 +221,7 @@ func (c *client) iterateEndpoints(ctx context.Context, namedRef reference.Named,
 	}
 
 	repoName := reference.TrimNamed(namedRef)
-	repoInfo := registry.ParseRepositoryInfo(namedRef)
-	indexInfo := repoInfo.Index
+	indexInfo := registry.NewIndexInfo(namedRef)
 
 	confirmedTLSRegistries := make(map[string]bool)
 	for _, endpoint := range endpoints {
@@ -285,8 +284,7 @@ func allEndpoints(namedRef reference.Named, insecure bool) ([]registry.APIEndpoi
 	if err != nil {
 		return nil, err
 	}
-	repoInfo := registry.ParseRepositoryInfo(namedRef)
-	endpoints, err := registryService.Endpoints(context.TODO(), reference.Domain(repoInfo.Name))
+	endpoints, err := registryService.Endpoints(context.TODO(), reference.Domain(namedRef))
 	logrus.Debugf("endpoints for %s: %v", namedRef, endpoints)
 	return endpoints, err
 }

cli/trust/trust.go

@@ -95,7 +95,7 @@ func (simpleCredentialStore) SetRefreshToken(*url.URL, string, string) {}
 // GetNotaryRepository returns a NotaryRepository which stores all the
 // information needed to operate on a notary repository.
 // It creates an HTTP transport providing authentication support.
-func GetNotaryRepository(in io.Reader, out io.Writer, userAgent string, repoInfo *registry.RepositoryInfo, authConfig *registrytypes.AuthConfig, actions ...string) (client.Repository, error) {
+func GetNotaryRepository(in io.Reader, out io.Writer, userAgent string, repoInfo *RepositoryInfo, authConfig *registrytypes.AuthConfig, actions ...string) (client.Repository, error) {
 	server, err := Server(repoInfo.Index)
 	if err != nil {
 		return nil, err
@@ -304,11 +304,18 @@ type ImageRefAndAuth struct {
 	original   string
 	authConfig *registrytypes.AuthConfig
 	reference  reference.Named
-	repoInfo   *registry.RepositoryInfo
+	repoInfo   *RepositoryInfo
 	tag        string
 	digest     digest.Digest
 }
 
+// RepositoryInfo describes a repository
+type RepositoryInfo struct {
+	Name reference.Named
+	// Index points to registry information
+	Index *registrytypes.IndexInfo
+}
+
 // GetImageReferencesAndAuth retrieves the necessary reference and auth information for an image name
 // as an ImageRefAndAuth struct
 func GetImageReferencesAndAuth(ctx context.Context,
@@ -321,15 +328,18 @@ func GetImageReferencesAndAuth(ctx context.Context,
 	}
 
 	// Resolve the Repository name from fqn to RepositoryInfo
-	repoInfo := registry.ParseRepositoryInfo(ref)
-	authConfig := authResolver(ctx, repoInfo.Index)
+	indexInfo := registry.NewIndexInfo(ref)
+	authConfig := authResolver(ctx, indexInfo)
 	return ImageRefAndAuth{
 		original:   imgName,
 		authConfig: &authConfig,
 		reference:  ref,
-		repoInfo:   repoInfo,
-		tag:        getTag(ref),
-		digest:     getDigest(ref),
+		repoInfo: &RepositoryInfo{
+			Name:  reference.TrimNamed(ref),
+			Index: indexInfo,
+		},
+		tag:    getTag(ref),
+		digest: getDigest(ref),
 	}, nil
 }
 
@@ -366,7 +376,7 @@ func (imgRefAuth *ImageRefAndAuth) Reference() reference.Named {
 }
 
 // RepoInfo returns the repository information for a given ImageRefAndAuth
-func (imgRefAuth *ImageRefAndAuth) RepoInfo() *registry.RepositoryInfo {
+func (imgRefAuth *ImageRefAndAuth) RepoInfo() *RepositoryInfo {
 	return imgRefAuth.repoInfo
 }
 

cli/trust/trust_push.go

@@ -11,7 +11,6 @@ import (
 	"github.com/distribution/reference"
 	"github.com/docker/cli/cli/streams"
 	"github.com/docker/cli/internal/jsonstream"
-	"github.com/docker/cli/internal/registry"
 	"github.com/moby/moby/api/types"
 	registrytypes "github.com/moby/moby/api/types/registry"
 	"github.com/opencontainers/go-digest"
@@ -32,7 +31,7 @@ type Streams interface {
 // PushTrustedReference pushes a canonical reference to the trust server.
 //
 //nolint:gocyclo
-func PushTrustedReference(ctx context.Context, ioStreams Streams, repoInfo *registry.RepositoryInfo, ref reference.Named, authConfig registrytypes.AuthConfig, in io.Reader, userAgent string) error {
+func PushTrustedReference(ctx context.Context, ioStreams Streams, repoInfo *RepositoryInfo, ref reference.Named, authConfig registrytypes.AuthConfig, in io.Reader, userAgent string) error {
 	// If it is a trusted push we would like to find the target entry which match the
 	// tag provided in the function and then do an AddTarget later.
 	notaryTarget := &client.Target{}

internal/registry/config.go

@@ -252,27 +252,22 @@ func validateHostPort(s string) error {
 	return nil
 }
 
-// ParseRepositoryInfo performs the breakdown of a repository name into a
-// [RepositoryInfo], but lacks registry configuration.
-func ParseRepositoryInfo(reposName reference.Named) *RepositoryInfo {
+// NewIndexInfo creates a new [registry.IndexInfo] or the given
+// repository-name, and detects whether the registry is considered
+// "secure" (non-localhost).
+func NewIndexInfo(reposName reference.Named) *registry.IndexInfo {
 	indexName := normalizeIndexName(reference.Domain(reposName))
 	if indexName == IndexName {
-		return &RepositoryInfo{
-			Name: reference.TrimNamed(reposName),
-			Index: &registry.IndexInfo{
-				Name:     IndexName,
-				Secure:   true,
-				Official: true,
-			},
+		return &registry.IndexInfo{
+			Name:     IndexName,
+			Secure:   true,
+			Official: true,
 		}
 	}
 
-	return &RepositoryInfo{
-		Name: reference.TrimNamed(reposName),
-		Index: &registry.IndexInfo{
-			Name:   indexName,
-			Secure: !isInsecure(indexName),
-		},
+	return &registry.IndexInfo{
+		Name:   indexName,
+		Secure: !isInsecure(indexName),
 	}
 }
 

internal/registry/registry_test.go

@@ -9,7 +9,7 @@ import (
 	is "gotest.tools/v3/assert/cmp"
 )
 
-func TestParseRepositoryInfo(t *testing.T) {
+func TestNewIndexInfo(t *testing.T) {
 	type staticRepositoryInfo struct {
 		Index         *registry.IndexInfo
 		RemoteName    string
@@ -269,12 +269,13 @@ func TestParseRepositoryInfo(t *testing.T) {
 			named, err := reference.ParseNormalizedNamed(reposName)
 			assert.NilError(t, err)
 
-			repoInfo := ParseRepositoryInfo(named)
+			indexInfo := NewIndexInfo(named)
+			repoInfoName := reference.TrimNamed(named)
 
-			assert.Check(t, is.DeepEqual(repoInfo.Index, expected.Index))
-			assert.Check(t, is.Equal(reference.Path(repoInfo.Name), expected.RemoteName))
-			assert.Check(t, is.Equal(reference.FamiliarName(repoInfo.Name), expected.LocalName))
-			assert.Check(t, is.Equal(repoInfo.Name.Name(), expected.CanonicalName))
+			assert.Check(t, is.DeepEqual(indexInfo, expected.Index))
+			assert.Check(t, is.Equal(reference.Path(repoInfoName), expected.RemoteName))
+			assert.Check(t, is.Equal(reference.FamiliarName(repoInfoName), expected.LocalName))
+			assert.Check(t, is.Equal(repoInfoName.Name(), expected.CanonicalName))
 		})
 	}
 }

internal/registry/types.go

@@ -1,13 +0,0 @@
-package registry
-
-import (
-	"github.com/distribution/reference"
-	"github.com/moby/moby/api/types/registry"
-)
-
-// RepositoryInfo describes a repository
-type RepositoryInfo struct {
-	Name reference.Named
-	// Index points to registry information
-	Index *registry.IndexInfo
-}