ci-operator: Use * to exclude images from promotion

pkg/api/promotion.go

@@ -20,6 +20,8 @@ const (
 
 	PromotionStepName     = "promotion"
 	PromotionQuayStepName = "promotion-quay"
+
+	PromotionExcludeImageWildcard = "*"
 )
 
 // PromotionTargets adapts the single-target configuration to the multi-target paradigm.

pkg/promotion/promotion.go

@@ -8,6 +8,7 @@ import (
 	"k8s.io/apimachinery/pkg/util/sets"
 	"sigs.k8s.io/prow/pkg/flagutil"
 
+	"github.com/openshift/ci-tools/pkg/api"
 	cioperatorapi "github.com/openshift/ci-tools/pkg/api"
 	"github.com/openshift/ci-tools/pkg/config"
 )
@@ -39,13 +40,13 @@ func AllPromotionImageStreamTags(configSpec *cioperatorapi.ReleaseBuildConfigura
 			continue
 		}
 
-		disabled := sets.New[string](target.ExcludedImages...)
-		if !disabled.Has("*") {
+		disabled := sets.New(target.ExcludedImages...)
+		if !disabled.Has(api.PromotionExcludeImageWildcard) {
 			for _, image := range configSpec.Images {
 				result.Insert(fmt.Sprintf("%s/%s:%s", target.Namespace, target.Name, image.To))
 			}
 		}
-		for _, image := range disabled.Delete("*").UnsortedList() {
+		for _, image := range disabled.Delete(api.PromotionExcludeImageWildcard).UnsortedList() {
 			delete(result, image)
 		}
 

pkg/steps/release/promote.go

@@ -323,10 +323,17 @@ func toPromote(config api.PromotionTarget, images []api.ProjectDirectoryImageBui
 			names.Insert(tag)
 		}
 	}
+
 	for _, tag := range config.ExcludedImages {
+		if tag == api.PromotionExcludeImageWildcard {
+			clear(tagsByDst)
+			names.Clear()
+			break
+		}
 		delete(tagsByDst, tag)
 		names.Delete(tag)
 	}
+
 	for dst, src := range config.AdditionalImages {
 		tagsByDst[dst] = src
 		names.Insert(dst)

pkg/steps/release/promote_test.go

@@ -594,6 +594,68 @@ func TestPromotedTagsWithRequiredImages(t *testing.T) {
 			},
 			expectedRequiredImages: sets.New[string]("base", "base-7", "base-8", "other"),
 		},
+		{
+			name: "promotion only cli-ocm to ci",
+			input: &api.ReleaseBuildConfiguration{
+				Images: []api.ProjectDirectoryImageBuildStepConfiguration{
+					{
+						From: "cli",
+						To:   "cli-ocm",
+					},
+					{
+						From: "src",
+						To:   "cli",
+					},
+				},
+				PromotionConfiguration: &api.PromotionConfiguration{
+					Targets: []api.PromotionTarget{
+						{
+							ExcludedImages: []string{api.PromotionExcludeImageWildcard},
+							Namespace:      "ci",
+							Name:           "cli-ocm",
+							AdditionalImages: map[string]string{
+								"latest": "cli-ocm",
+							},
+						},
+						{
+							Namespace: "ocp",
+							Name:      "4.20",
+						},
+					},
+				},
+				Metadata: api.Metadata{
+					Org:    "openshift",
+					Repo:   "oc",
+					Branch: "master",
+				},
+			},
+			expected: map[string][]api.ImageStreamTagReference{
+				"cli-ocm": {
+					{Namespace: "ci", Name: "cli-ocm", Tag: "latest"},
+					{Namespace: "ocp", Name: "4.20", Tag: "cli-ocm"},
+				},
+				"cli": {
+					{Namespace: "ocp", Name: "4.20", Tag: "cli"},
+				},
+			},
+			expectedRequiredImages: sets.New("latest", "cli-ocm", "cli"),
+		},
+		{
+			name: "exclude everything",
+			input: &api.ReleaseBuildConfiguration{
+				Images: []api.ProjectDirectoryImageBuildStepConfiguration{
+					{To: "img_a"},
+					{To: "img_b"},
+				},
+				PromotionConfiguration: &api.PromotionConfiguration{
+					Targets: []api.PromotionTarget{{
+						ExcludedImages: []string{api.PromotionExcludeImageWildcard},
+					}},
+				},
+			},
+			expected:               map[string][]api.ImageStreamTagReference{},
+			expectedRequiredImages: sets.New[string](),
+		},
 	}
 
 	for _, testCase := range testCases {