Add built image to image status

- Add IsSuccess, IsFailure, and BuiltImage to Build type

closes #9

Signed-off-by: Joao Pereira <jdealmeidapereira@pivotal.io>

pkg/apis/build/v1alpha1/build_types.go

@@ -99,3 +99,28 @@ func (b *Build) BuildRef() string {
 
 	return b.GetName()
 }
+
+func (b *Build) BuiltImage() string {
+	if b == nil {
+		return ""
+	}
+	if !b.IsSuccess() {
+		return ""
+	}
+
+	return b.Spec.Image + "@" + b.Status.SHA
+}
+
+func (b *Build) IsSuccess() bool {
+	if b == nil {
+		return false
+	}
+	return b.Status.GetCondition(duckv1alpha1.ConditionSucceeded).IsTrue()
+}
+
+func (b *Build) IsFailure() bool {
+	if b == nil {
+		return false
+	}
+	return b.Status.GetCondition(duckv1alpha1.ConditionSucceeded).IsFalse()
+}

pkg/apis/build/v1alpha1/image_types.go

@@ -55,6 +55,7 @@ type ImageBuild struct {
 type ImageStatus struct {
 	duckv1alpha1.Status `json:",inline"`
 	LastBuildRef        string `json:"lastBuildRef"`
+	LastBuiltImage      string `json:"lastBuiltImage"`
 	BuildCounter        int64  `json:"buildCounter"`
 	BuildCacheName      string `json:"buildCacheName"`
 }

pkg/reconciler/v1alpha1/image/build_list.go

@@ -3,7 +3,6 @@ package image
 import (
 	"sort"
 
-	duckv1alpha1 "github.com/knative/pkg/apis/duck/v1alpha1"
 	v1alpha1build "github.com/pivotal/build-service-system/pkg/reconciler/v1alpha1/build"
 
 	"github.com/pivotal/build-service-system/pkg/apis/build/v1alpha1"
@@ -21,9 +20,9 @@ func newBuildList(builds []*v1alpha1.Build) (buildList, error) {
 	buildList := buildList{}
 
 	for _, build := range builds {
-		if build.Status.GetCondition(duckv1alpha1.ConditionSucceeded).IsTrue() {
+		if build.IsSuccess() {
 			buildList.successfulBuilds = append(buildList.successfulBuilds, build)
-		} else if build.Status.GetCondition(duckv1alpha1.ConditionSucceeded).IsFalse() {
+		} else if build.IsFailure() {
 			buildList.failedBuilds = append(buildList.failedBuilds, build)
 		}
 	}

pkg/reconciler/v1alpha1/image/image.go

@@ -148,6 +148,9 @@ func (c *Reconciler) Reconcile(ctx context.Context, key string) error {
 
 	image.Status.LastBuildRef = reconciledBuild.Build.BuildRef()
 	image.Status.BuildCounter = reconciledBuild.BuildCounter
+	if lastBuild.IsSuccess() {
+		image.Status.LastBuiltImage = lastBuild.BuiltImage()
+	}
 
 	err = c.deleteOldBuilds(namespace, image)
 	if err != nil {
@@ -271,7 +274,6 @@ func (c *Reconciler) fetchLastBuild(image *v1alpha1.Image) (*v1alpha1.Build, err
 	if err != nil {
 		return nil, err
 	}
-
 	return builds.lastBuild, nil
 }
 

pkg/reconciler/v1alpha1/image/image_test.go

@@ -700,6 +700,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 								},
 							},
 							Status: v1alpha1.BuildStatus{
+								SHA: "some-sha",
 								Status: duckv1alpha1.Status{
 									Conditions: duckv1alpha1.Conditions{
 										{
@@ -752,6 +753,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 										ObservedGeneration: originalGeneration,
 									},
 									LastBuildRef:   "image-name-build-2-00001", //GenerateNameReactor
+									LastBuiltImage: "some/image@some-sha",
 									BuildCounter:   2,
 									BuildCacheName: "",
 								},
@@ -805,6 +807,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 								},
 							},
 							Status: v1alpha1.BuildStatus{
+								SHA: "some-sha",
 								Status: duckv1alpha1.Status{
 									Conditions: duckv1alpha1.Conditions{
 										{
@@ -857,6 +860,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 										ObservedGeneration: originalGeneration,
 									},
 									LastBuildRef:   "image-name-build-2-00001", //GenerateNameReactor
+									LastBuiltImage: "some/image@some-sha",
 									BuildCounter:   2,
 									BuildCacheName: "",
 								},
@@ -917,6 +921,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 								},
 							},
 							Status: v1alpha1.BuildStatus{
+								SHA: "some-sha",
 								Status: duckv1alpha1.Status{
 									Conditions: duckv1alpha1.Conditions{
 										{
@@ -975,6 +980,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 										ObservedGeneration: originalGeneration,
 									},
 									LastBuildRef:   "image-name-build-2-00001", //GenerateNameReactor
+									LastBuiltImage: "some/image@some-sha",
 									BuildCounter:   2,
 									BuildCacheName: "",
 								},
@@ -1038,6 +1044,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 			it("does not schedule a build if the previous build spec matches the current desired spec", func() {
 				image.Status.BuildCounter = 1
 				image.Status.LastBuildRef = "image-name-build-1"
+				image.Status.LastBuiltImage = "some/image@some-sha"
 
 				sourceResolver := resolvedSourceResolver(image)
 				rt.Test(rtesting.TableRow{
@@ -1070,6 +1077,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 								},
 							},
 							Status: v1alpha1.BuildStatus{
+								SHA: "some-sha",
 								Status: duckv1alpha1.Status{
 									Conditions: duckv1alpha1.Conditions{
 										{
@@ -1119,6 +1127,7 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 				it("deletes a successful build if more than the limit", func() {
 					image.Spec.SuccessBuildHistoryLimit = limit(4)
 					image.Status.LastBuildRef = "image-name-build-5"
+					image.Status.LastBuiltImage = "some/image@some-sha"
 					image.Status.BuildCounter = 5
 					sourceResolver := resolvedSourceResolver(image)
 
@@ -1145,6 +1154,41 @@ func testImageReconciler(t *testing.T, when spec.G, it spec.S) {
 					})
 				})
 			})
+
+			it("updates the last successful build on the image when the last build is successful", func() {
+				image.Status.BuildCounter = 1
+				image.Status.LastBuildRef = "image-name-build-1"
+				image.Status.LastBuiltImage = "some/image@some-old-sha"
+
+				sourceResolver := resolvedSourceResolver(image)
+				rt.Test(rtesting.TableRow{
+					Key: key,
+					Objects: runtimeObjects(
+						successfulBuilds(image, sourceResolver, 1),
+						image,
+						builder,
+						sourceResolver,
+					),
+					WantErr: false,
+					WantStatusUpdates: []clientgotesting.UpdateActionImpl{
+						{
+							Object: &v1alpha1.Image{
+								ObjectMeta: image.ObjectMeta,
+								Spec:       image.Spec,
+								Status: v1alpha1.ImageStatus{
+									Status: duckv1alpha1.Status{
+										ObservedGeneration: originalGeneration,
+									},
+									LastBuildRef:   "image-name-build-1",
+									LastBuiltImage: "some/image@some-sha",
+									BuildCounter:   1,
+									BuildCacheName: "",
+								},
+							},
+						},
+					},
+				})
+			})
 		})
 	})
 }
@@ -1206,6 +1250,7 @@ func builds(image *v1alpha1.Image, sourceResolver *v1alpha1.SourceResolver, coun
 				},
 			},
 			Status: v1alpha1.BuildStatus{
+				SHA: "some-sha",
 				Status: duckv1alpha1.Status{
 					Conditions: duckv1alpha1.Conditions{
 						condition,