Store repo digest as app image is pushed

also fix app image list --digests so it doesn't show "app build ID" as
digest

Signed-off-by: Nicolas De Loof <nicolas.deloof@gmail.com>

internal/cnab/cnab.go

@@ -123,7 +123,7 @@ func PullBundle(dockerCli command.Cli, bundleStore appstore.BundleStore, tagRef
 		return nil, err
 	}
 	relocatedBundle := &relocated.Bundle{Bundle: bndl, RelocationMap: relocationMap}
-	if _, err := bundleStore.Store(tagRef, relocatedBundle); err != nil {
+	if _, err := bundleStore.Store(relocatedBundle, tagRef); err != nil {
 		return nil, err
 	}
 	return relocatedBundle, nil

internal/commands/build/build.go

@@ -133,13 +133,12 @@ func runBuild(dockerCli command.Cli, contextPath string, opt buildOptions) error
 		return err
 	}
 
-	var ref reference.Reference
-	ref, err = packager.GetNamedTagged(opt.tag)
+	ref, err := packager.GetNamedTagged(opt.tag)
 	if err != nil {
 		return err
 	}
 
-	id, err := packager.PersistInBundleStore(ref, bundle)
+	id, err := packager.PersistInBundleStore(bundle, ref)
 	if err != nil {
 		return err
 	}

internal/commands/image/list.go

@@ -126,10 +126,7 @@ func getImageDesc(bundle *relocated.Bundle, ref reference.Reference) imageDesc {
 	if t, ok := ref.(reference.Tagged); ok {
 		tag = t.Tag()
 	}
-	var digest string
-	if t, ok := ref.(reference.Digested); ok {
-		digest = t.Digest().String()
-	}
+	digest := bundle.RepoDigest
 	var created time.Time
 	if payload, err := packager.CustomPayload(bundle.Bundle); err == nil {
 		if createdPayload, ok := payload.(packager.CustomPayloadCreated); ok {
@@ -141,7 +138,7 @@ func getImageDesc(bundle *relocated.Bundle, ref reference.Reference) imageDesc {
 		Name:       bundle.Name,
 		Repository: repository,
 		Tag:        tag,
-		Digest:     digest,
+		Digest:     digest.String(),
 		Created:    created,
 	}
 }

internal/commands/image/list_test.go

@@ -3,59 +3,24 @@ package image
 import (
 	"bufio"
 	"bytes"
-	"fmt"
 	"testing"
 	"time"
 
-	"github.com/docker/app/internal/relocated"
-
-	"gotest.tools/assert"
+	"github.com/docker/app/internal/store"
+	"gotest.tools/fs"
 
 	"github.com/deislabs/cnab-go/bundle"
-	"github.com/docker/app/internal/store"
+	"github.com/docker/app/internal/relocated"
 	"github.com/docker/cli/cli/command"
 	"github.com/docker/distribution/reference"
+	"gotest.tools/assert"
 )
 
-type bundleStoreStubForListCmd struct {
-	refMap map[reference.Reference]*relocated.Bundle
-	// in order to keep the reference in the same order between tests
-	refList []reference.Reference
-}
-
-func (b *bundleStoreStubForListCmd) Store(ref reference.Reference, bndl *relocated.Bundle) (reference.Digested, error) {
-	b.refMap[ref] = bndl
-	b.refList = append(b.refList, ref)
-	return store.FromBundle(bndl)
-}
-
-func (b *bundleStoreStubForListCmd) Read(ref reference.Reference) (*relocated.Bundle, error) {
-	bndl, ok := b.refMap[ref]
-	if ok {
-		return bndl, nil
-	}
-	return nil, fmt.Errorf("Bundle not found")
-}
-
-func (b *bundleStoreStubForListCmd) List() ([]reference.Reference, error) {
-	return b.refList, nil
-}
-
-func (b *bundleStoreStubForListCmd) Remove(ref reference.Reference, force bool) error {
-	return nil
-}
-
-func (b *bundleStoreStubForListCmd) LookUp(refOrID string) (reference.Reference, error) {
-	return nil, nil
-}
-
 func TestListCmd(t *testing.T) {
-	ref, err := store.FromString("a855ac937f2ed375ba4396bbc49c4093e124da933acd2713fb9bc17d7562a087")
-	assert.NilError(t, err)
-	refs := []reference.Reference{
+	refs := []reference.Named{
 		parseReference(t, "foo/bar@sha256:b59492bb814012ca3d2ce0b6728242d96b4af41687cc82166a4b5d7f2d9fb865"),
 		parseReference(t, "foo/bar:1.0"),
-		ref,
+		nil,
 	}
 	bundles := []relocated.Bundle{
 		{
@@ -85,36 +50,36 @@ func TestListCmd(t *testing.T) {
 		{
 			name: "TestList",
 			expectedOutput: `REPOSITORY          TAG                 APP IMAGE ID        APP NAME            CREATED             
-foo/bar             <none>              3f825b2d0657        Digested App        N/A                 
+<none>              <none>              ad2828ea5653        Quiet App           N/A                 
 foo/bar             1.0                 9aae408ee04f        Foo App             N/A                 
-<none>              <none>              a855ac937f2e        Quiet App           N/A                 
+foo/bar             <none>              3f825b2d0657        Digested App        N/A                 
 `,
 			options: imageListOption{format: "table"},
 		},
 		{
 			name: "TestTemplate",
 			expectedOutput: `APP IMAGE ID        DIGEST
-3f825b2d0657        sha256:b59492bb814012ca3d2ce0b6728242d96b4af41687cc82166a4b5d7f2d9fb865
+ad2828ea5653        <none>
 9aae408ee04f        <none>
-a855ac937f2e        sha256:a855ac937f2ed375ba4396bbc49c4093e124da933acd2713fb9bc17d7562a087
+3f825b2d0657        sha256:b59492bb814012ca3d2ce0b6728242d96b4af41687cc82166a4b5d7f2d9fb865
 `,
 			options: imageListOption{format: "table {{.ID}}", digests: true},
 		},
 		{
 			name: "TestListWithDigests",
 			//nolint:lll
 			expectedOutput: `REPOSITORY          TAG                 DIGEST                                                                    APP IMAGE ID        APP NAME                                CREATED             
-foo/bar             <none>              sha256:b59492bb814012ca3d2ce0b6728242d96b4af41687cc82166a4b5d7f2d9fb865   3f825b2d0657        Digested App                            N/A                 
+<none>              <none>              <none>                                                                    ad2828ea5653        Quiet App                               N/A                 
 foo/bar             1.0                 <none>                                                                    9aae408ee04f        Foo App                                 N/A                 
-<none>              <none>              sha256:a855ac937f2ed375ba4396bbc49c4093e124da933acd2713fb9bc17d7562a087   a855ac937f2e        Quiet App                               N/A                 
+foo/bar             <none>              sha256:b59492bb814012ca3d2ce0b6728242d96b4af41687cc82166a4b5d7f2d9fb865   3f825b2d0657        Digested App                            N/A                 
 `,
 			options: imageListOption{format: "table", digests: true},
 		},
 		{
 			name: "TestListWithQuiet",
-			expectedOutput: `3f825b2d0657
+			expectedOutput: `ad2828ea5653
 9aae408ee04f
-a855ac937f2e
+3f825b2d0657
 `,
 			options: imageListOption{format: "table", quiet: true},
 		},
@@ -143,27 +108,26 @@ func TestSortImages(t *testing.T) {
 	assert.Equal(t, "3", images[4].ID)
 }
 
-func parseReference(t *testing.T, s string) reference.Reference {
-	ref, err := reference.Parse(s)
+func parseReference(t *testing.T, s string) reference.Named {
+	ref, err := reference.ParseNormalizedNamed(s)
 	assert.NilError(t, err)
 	return ref
 }
 
-func testRunList(t *testing.T, refs []reference.Reference, bundles []relocated.Bundle, options imageListOption, expectedOutput string) {
+func testRunList(t *testing.T, refs []reference.Named, bundles []relocated.Bundle, options imageListOption, expectedOutput string) {
 	var buf bytes.Buffer
 	w := bufio.NewWriter(&buf)
 	dockerCli, err := command.NewDockerCli(command.WithOutputStream(w))
 	assert.NilError(t, err)
-	bundleStore := &bundleStoreStubForListCmd{
-		refMap:  make(map[reference.Reference]*relocated.Bundle),
-		refList: []reference.Reference{},
-	}
+	bundleStore, err := store.NewBundleStore(fs.NewDir(t, "store").Path())
+	assert.NilError(t, err)
 	for i, ref := range refs {
-		_, err = bundleStore.Store(ref, &bundles[i])
+		_, err = bundleStore.Store(&bundles[i], ref)
 		assert.NilError(t, err)
 	}
 	err = runList(dockerCli, options, bundleStore)
 	assert.NilError(t, err)
 	w.Flush()
-	assert.Equal(t, buf.String(), expectedOutput)
+	actualOutput := buf.String()
+	assert.Equal(t, actualOutput, expectedOutput)
 }

internal/commands/image/tag.go

@@ -73,6 +73,6 @@ func storeBundle(bundle *relocated.Bundle, name string, bundleStore store.Bundle
 	if err != nil {
 		return err
 	}
-	_, err = bundleStore.Store(cnabRef, bundle)
+	_, err = bundleStore.Store(bundle, cnabRef)
 	return err
 }

internal/commands/image/tag_test.go

@@ -4,6 +4,8 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/docker/app/internal/store"
+
 	"github.com/docker/app/internal/relocated"
 
 	"gotest.tools/assert"
@@ -23,12 +25,12 @@ type bundleStoreStub struct {
 	ReadError    error
 	StoredBundle string
 	StoredError  error
-	StoredID     reference.Digested
+	StoredID     store.ID
 	LookUpRef    reference.Reference
 	LookUpError  error
 }
 
-func (b *bundleStoreStub) Store(ref reference.Reference, bndle *relocated.Bundle) (reference.Digested, error) {
+func (b *bundleStoreStub) Store(bndl *relocated.Bundle, ref reference.Named) (store.ID, error) {
 	defer func() {
 		b.StoredError = nil
 	}()

internal/commands/push.go

@@ -8,6 +8,8 @@ import (
 	"os"
 	"strings"
 
+	"github.com/opencontainers/go-digest"
+
 	"github.com/docker/app/internal/relocated"
 	"github.com/docker/app/internal/store"
 
@@ -72,7 +74,13 @@ func runPush(dockerCli command.Cli, name string) error {
 	cnabRef := reference.TagNameOnly(ref)
 
 	// Push the bundle
-	return pushBundle(dockerCli, bndl, cnabRef)
+	dg, err := pushBundle(dockerCli, bndl, cnabRef)
+	if err != nil {
+		return errors.Wrapf(err, "could not push %q", cnabRef)
+	}
+	bndl.RepoDigest = dg
+	_, err = bundleStore.Store(bndl, cnabRef)
+	return err
 }
 
 func resolveReferenceAndBundle(bundleStore store.BundleStore, ref reference.Reference) (*relocated.Bundle, error) {
@@ -88,10 +96,10 @@ func resolveReferenceAndBundle(bundleStore store.BundleStore, ref reference.Refe
 	return bndl, err
 }
 
-func pushBundle(dockerCli command.Cli, bndl *relocated.Bundle, cnabRef reference.Named) error {
+func pushBundle(dockerCli command.Cli, bndl *relocated.Bundle, cnabRef reference.Named) (digest.Digest, error) {
 	insecureRegistries, err := internal.InsecureRegistriesFromEngine(dockerCli)
 	if err != nil {
-		return errors.Wrap(err, "could not retrieve insecure registries")
+		return "", errors.Wrap(err, "could not retrieve insecure registries")
 	}
 	resolver := remotes.CreateResolver(dockerCli.ConfigFile(), insecureRegistries...)
 	var display fixupDisplay = &plainDisplay{out: os.Stdout}
@@ -107,17 +115,17 @@ func pushBundle(dockerCli command.Cli, bndl *relocated.Bundle, cnabRef reference
 	// bundle fixup
 	relocationMap, err := remotes.FixupBundle(context.Background(), bndl.Bundle, cnabRef, resolver, fixupOptions...)
 	if err != nil {
-		return errors.Wrapf(err, "fixing up %q for push", cnabRef)
+		return "", errors.Wrapf(err, "fixing up %q for push", cnabRef)
 	}
 	bndl.RelocationMap = relocationMap
 	// push bundle manifest
 	logrus.Debugf("Pushing the bundle %q", cnabRef)
 	descriptor, err := remotes.Push(log.WithLogContext(context.Background()), bndl.Bundle, bndl.RelocationMap, cnabRef, resolver, true, withAppAnnotations)
 	if err != nil {
-		return errors.Wrapf(err, "pushing to %q", cnabRef)
+		return "", errors.Wrapf(err, "pushing to %q", cnabRef)
 	}
 	fmt.Fprintf(os.Stdout, "Successfully pushed bundle to %s. Digest is %s.\n", cnabRef, descriptor.Digest)
-	return nil
+	return descriptor.Digest, nil
 }
 
 func withAppAnnotations(index *ocischemav1.Index) error {

internal/packager/bundle.go

@@ -73,16 +73,16 @@ func MakeCNABImageName(appName, appVersion, suffix string) (string, error) {
 }
 
 // PersistInBundleStore do store a bundle with optional reference and return it's ID
-func PersistInBundleStore(ref reference.Reference, bndl *bundle.Bundle) (reference.Digested, error) {
+func PersistInBundleStore(bndl *bundle.Bundle, ref reference.Named) (store.ID, error) {
 	appstore, err := store.NewApplicationStore(config.Dir())
 	if err != nil {
-		return nil, err
+		return store.ID(""), err
 	}
 	bundleStore, err := appstore.BundleStore()
 	if err != nil {
-		return nil, err
+		return store.ID(""), err
 	}
-	return bundleStore.Store(ref, relocated.FromBundle(bndl))
+	return bundleStore.Store(relocated.FromBundle(bndl), ref)
 }
 
 func GetNamedTagged(tag string) (reference.NamedTagged, error) {