Use annotation strings from image-spec/specs-go (#407)

go.mod

@@ -16,6 +16,7 @@ require (
 	github.com/klauspost/compress v1.13.1 // indirect
 	github.com/mattmoor/dep-notify v0.0.0-20190205035814-a45dec370a17
 	github.com/mattn/go-isatty v0.0.13 // indirect
+	github.com/opencontainers/image-spec v1.0.2-0.20210730191737-8e42a01fb1b7
 	github.com/spf13/cobra v1.2.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.8.1

go.sum

@@ -387,8 +387,6 @@ github.com/google/go-cmp v0.5.4/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.6 h1:BKbKCqvP6I+rmFHt06ZmyQtvB8xAkWdhFyr0ZUNZcxQ=
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-containerregistry v0.5.2-0.20210720200529-2f6fbf77f249 h1:vWUL43oVb6y5SS/wXSYirEZZTonXoKn+ac/hUh/QB+U=
-github.com/google/go-containerregistry v0.5.2-0.20210720200529-2f6fbf77f249/go.mod h1:euCCtNbZ6tKqi1E72vwDj2xZcN5ttKpZLfa/wSo5iLw=
 github.com/google/go-containerregistry v0.6.0 h1:niQ+8XD//kKgArIFwDVBXsWVWbde16LPdHMyNwSC8h4=
 github.com/google/go-containerregistry v0.6.0/go.mod h1:euCCtNbZ6tKqi1E72vwDj2xZcN5ttKpZLfa/wSo5iLw=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -594,8 +592,9 @@ github.com/opencontainers/go-digest v1.0.0-rc1.0.20180430190053-c9281466c8b2/go.
 github.com/opencontainers/go-digest v1.0.0 h1:apOUWs51W5PlhuyGyz9FCeeBIOUDA/6nW8Oi/yOhh5U=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/opencontainers/image-spec v1.0.0/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
-github.com/opencontainers/image-spec v1.0.1 h1:JMemWkRwHx4Zj+fVxWoMCFm/8sYGGrUVojFA6h/TRcI=
 github.com/opencontainers/image-spec v1.0.1/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
+github.com/opencontainers/image-spec v1.0.2-0.20210730191737-8e42a01fb1b7 h1:axgApq2XShTLwQii2zAnIkMPlhGVHbAXHUcHezu5G/k=
+github.com/opencontainers/image-spec v1.0.2-0.20210730191737-8e42a01fb1b7/go.mod h1:BtxoFyWECRxE4U/7sNtV5W15zMzWCbyJoFRP3s7yZA0=
 github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=
 github.com/opencontainers/runc v0.1.1/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=
 github.com/opencontainers/runc v1.0.0-rc8.0.20190926000215-3e425f80a8c9/go.mod h1:qT5XzbpPznkRYVz/mWwUaVBUv2rmF59PVA73FjuZG0U=

pkg/build/gobuild.go

@@ -42,6 +42,7 @@ import (
 	"github.com/google/go-containerregistry/pkg/v1/mutate"
 	"github.com/google/go-containerregistry/pkg/v1/tarball"
 	"github.com/google/go-containerregistry/pkg/v1/types"
+	specsv1 "github.com/opencontainers/image-spec/specs-go/v1"
 	"golang.org/x/tools/go/packages"
 )
 
@@ -65,11 +66,6 @@ For more information see:
 `
 )
 
-const (
-	baseDigestAnnotation = "org.opencontainers.image.base.digest"
-	baseRefAnnotation    = "org.opencontainers.image.base.name"
-)
-
 // GetBase takes an importpath and returns a base image reference and base image (or index).
 type GetBase func(context.Context, string) (name.Reference, Result, error)
 
@@ -784,8 +780,8 @@ func (g *gobuild) buildOne(ctx context.Context, refStr string, baseRef name.Refe
 	}
 
 	withApp = mutate.Annotations(withApp, map[string]string{
-		baseRefAnnotation:    baseRef.Name(),
+		specsv1.AnnotationBaseImageDigest: baseDigest.String(),
-		baseDigestAnnotation: baseDigest.String(),
+		specsv1.AnnotationBaseImageName:   baseRef.Name(),
 	}).(v1.Image)
 
 	// Start from a copy of the base image's config file, and set
@@ -933,8 +929,8 @@ func (g *gobuild) buildAll(ctx context.Context, ref string, baseRef name.Referen
 	// (Docker manifest lists don't support annotations)
 	if baseType == types.OCIImageIndex {
 		idx = mutate.Annotations(idx, map[string]string{
-			baseRefAnnotation:    baseRef.Name(),
+			specsv1.AnnotationBaseImageName:   baseRef.Name(),
-			baseDigestAnnotation: baseDigest.String(),
+			specsv1.AnnotationBaseImageDigest: baseDigest.String(),
 		}).(v1.ImageIndex)
 	}
 

pkg/build/gobuild_test.go

@@ -36,6 +36,7 @@ import (
 	"github.com/google/go-containerregistry/pkg/v1/empty"
 	"github.com/google/go-containerregistry/pkg/v1/mutate"
 	"github.com/google/go-containerregistry/pkg/v1/random"
+	specsv1 "github.com/opencontainers/image-spec/specs-go/v1"
 )
 
 func repoRootDir() (string, error) {
@@ -487,11 +488,11 @@ func validateImage(t *testing.T, img v1.Image, baseLayers int64, creationTime v1
 			t.Fatalf("Manifest() = %v", err)
 		}
 		t.Logf("Got annotations: %v", mf.Annotations)
-		if _, found := mf.Annotations[baseDigestAnnotation]; !found {
+		if _, found := mf.Annotations[specsv1.AnnotationBaseImageDigest]; !found {
 			t.Errorf("image annotations did not contain base image digest")
 		}
 		want := baseRef.Name()
-		if got := mf.Annotations[baseRefAnnotation]; got != want {
+		if got := mf.Annotations[specsv1.AnnotationBaseImageName]; got != want {
 			t.Errorf("base image ref; got %q, want %q", got, want)
 		}
 	})

vendor/github.com/opencontainers/image-spec/specs-go/v1/annotations.go

@@ -53,4 +53,10 @@ const (
 
 	// AnnotationDescription is the annotation key for the human-readable description of the software packaged in the image.
 	AnnotationDescription = "org.opencontainers.image.description"
+
+	// AnnotationBaseImageDigest is the annotation key for the digest of the image's base image.
+	AnnotationBaseImageDigest = "org.opencontainers.image.base.digest"
+
+	// AnnotationBaseImageName is the annotation key for the image reference of the image's base image.
+	AnnotationBaseImageName = "org.opencontainers.image.base.name"
 )

vendor/github.com/opencontainers/image-spec/specs-go/v1/config.go

@@ -89,9 +89,20 @@ type Image struct {
 	// Architecture is the CPU architecture which the binaries in this image are built to run on.
 	Architecture string `json:"architecture"`
 
+	// Variant is the variant of the specified CPU architecture which image binaries are intended to run on.
+	Variant string `json:"variant,omitempty"`
+
 	// OS is the name of the operating system which the image is built to run on.
 	OS string `json:"os"`
 
+	// OSVersion is an optional field specifying the operating system
+	// version, for example on Windows `10.0.14393.1066`.
+	OSVersion string `json:"os.version,omitempty"`
+
+	// OSFeatures is an optional field specifying an array of strings,
+	// each listing a required OS feature (for example on Windows `win32k`).
+	OSFeatures []string `json:"os.features,omitempty"`
+
 	// Config defines the execution parameters which should be used as a base when running a container using the image.
 	Config ImageConfig `json:"config,omitempty"`
 

vendor/github.com/opencontainers/image-spec/specs-go/v1/mediatype.go

@@ -34,6 +34,10 @@ const (
 	// referenced by the manifest.
 	MediaTypeImageLayerGzip = "application/vnd.oci.image.layer.v1.tar+gzip"
 
+	// MediaTypeImageLayerZstd is the media type used for zstd compressed
+	// layers referenced by the manifest.
+	MediaTypeImageLayerZstd = "application/vnd.oci.image.layer.v1.tar+zstd"
+
 	// MediaTypeImageLayerNonDistributable is the media type for layers referenced by
 	// the manifest but with distribution restrictions.
 	MediaTypeImageLayerNonDistributable = "application/vnd.oci.image.layer.nondistributable.v1.tar"
@@ -43,6 +47,11 @@ const (
 	// restrictions.
 	MediaTypeImageLayerNonDistributableGzip = "application/vnd.oci.image.layer.nondistributable.v1.tar+gzip"
 
+	// MediaTypeImageLayerNonDistributableZstd is the media type for zstd
+	// compressed layers referenced by the manifest but with distribution
+	// restrictions.
+	MediaTypeImageLayerNonDistributableZstd = "application/vnd.oci.image.layer.nondistributable.v1.tar+zstd"
+
 	// MediaTypeImageConfig specifies the media type for the image configuration.
 	MediaTypeImageConfig = "application/vnd.oci.image.config.v1+json"
 )

vendor/github.com/opencontainers/image-spec/specs-go/version.go

@@ -25,7 +25,7 @@ const (
 	VersionPatch = 1
 
 	// VersionDev indicates development branch. Releases will be empty string.
-	VersionDev = ""
+	VersionDev = "-dev"
 )
 
 // Version is the specification version that the package types support.

vendor/modules.txt

@@ -199,7 +199,8 @@ github.com/modern-go/concurrent
 github.com/modern-go/reflect2
 # github.com/opencontainers/go-digest v1.0.0
 github.com/opencontainers/go-digest
-# github.com/opencontainers/image-spec v1.0.1
+# github.com/opencontainers/image-spec v1.0.2-0.20210730191737-8e42a01fb1b7
+## explicit
 github.com/opencontainers/image-spec/specs-go
 github.com/opencontainers/image-spec/specs-go/v1
 # github.com/pelletier/go-toml v1.9.3