Add builder identity annotations.

Use io.podman.version and fix inspect tests

Signed-off-by: caiges <caigesn@gmail.com>

Closes: #1917
Approved by: TomSweeneyRedHat

cmd/buildah/commit.go

@@ -162,6 +162,9 @@ func commitCmd(c *cobra.Command, args []string, iopts commitInputOptions) error
 		}
 	}
 
+	// Add builder identity information.
+	builder.SetLabel(buildah.BuilderIdentityAnnotation, buildah.Version)
+
 	options := buildah.CommitOptions{
 		PreferredManifestType: format,
 		Compression:           compress,

commit.go

@@ -29,6 +29,13 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+const (
+	// BuilderIdentityAnnotation is the name of the annotation key containing
+	// the name and version of the producer of the image stored as an
+	// annotation on commit.
+	BuilderIdentityAnnotation = "io.buildah.version"
+)
+
 // CommitOptions can be used to alter how an image is committed.
 type CommitOptions struct {
 	// PreferredManifestType is the preferred type of image manifest.  The

tests/commit.bats

@@ -103,3 +103,15 @@ load helpers
   buildah rm $cid
   buildah rmi -a
 }
+
+@test "commit-builder-identity" {
+	cid=$(buildah from --pull --signature-policy ${TESTSDIR}/policy.json alpine)
+	buildah commit --signature-policy ${TESTSDIR}/policy.json $cid alpine-image
+
+	buildah_version=$(buildah --version | awk '{ print $3 }')
+	version=$(buildah inspect --format '{{ index .Docker.Config.Labels "io.buildah.version"}}' alpine-image)
+
+	[ "$version" == "$buildah_version" ]
+	buildah rm $cid
+	buildah rmi -f alpine-image
+}

tests/inspect.bats

@@ -14,11 +14,13 @@ load helpers
 }
 
 @test "inspect" {
-	cid=$(buildah from --pull=false --signature-policy ${TESTSDIR}/policy.json alpine)
+	cid=$(buildah from --pull --signature-policy ${TESTSDIR}/policy.json alpine)
 	run_buildah commit --signature-policy ${TESTSDIR}/policy.json "$cid" alpine-image
-
+	
+	buildah_version=$(buildah --version | awk '{ print $3 }')
 	out1=$(buildah inspect --format '{{.OCIv1.Config}}' alpine)
-	out2=$(buildah inspect --type image --format '{{.OCIv1.Config}}' alpine-image)
+	out2=$(buildah inspect --type image --format '{{.OCIv1.Config}}' alpine-image | sed "s/io.buildah.version:${buildah_version}//g")
+
 	[ "$out1" != "" ]
 	[ "$out1" = "$out2" ]
 }