make kubetest write version to revision instead of job-version as

well

Author: krzyzacy

kubetest/main.go

@@ -545,7 +545,8 @@ func writeMetadata(path, metadataSources string) error {
 	}
 
 	ver := findVersion()
-	m["job-version"] = ver
+	m["job-version"] = ver // TODO(krzyzacy): retire
+	m["revision"] = ver
 	re := regexp.MustCompile(`^BUILD_METADATA_(.+)$`)
 	for _, e := range os.Environ() {
 		p := strings.SplitN(e, "=", 2)

kubetest/main_test.go

@@ -41,6 +41,11 @@ func TestWriteMetadata(t *testing.T) {
 			key:     "job-version",
 			version: "v1.8.0-alpha.2.251+ba2bdb1aead615",
 		},
+		{
+			sources: nil,
+			key:     "revision",
+			version: "v1.8.0-alpha.2.251+ba2bdb1aead615",
+		},
 		{
 			sources: map[string]mdata{"images.json": {"imgkey": "imgval"}},
 			key:     "imgkey",