kie-kogito-serverless-operator-533: Builder image is not used accordi…

…ng to the configuration semantic (#534)

controllers/platform/platformutils.go

@@ -26,6 +26,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/apache/incubator-kie-kogito-serverless-operator/controllers/cfg"
+
 	"github.com/apache/incubator-kie-kogito-serverless-operator/utils"
 	corev1 "k8s.io/api/core/v1"
 	k8serrors "k8s.io/apimachinery/pkg/api/errors"
@@ -158,10 +160,19 @@ func GetRegistryAddress(ctx context.Context) (*string, error) {
 	return nil, nil
 }
 
-// GetCustomizedBuilderDockerfile gets the Dockerfile as defined in the default platform ConfigMap, apply any custom requirements and return.
+// GetCustomizedBuilderDockerfile determines if the default Dockerfile provided by the
+// sonataflow-operator-builder-config_v1_configmap.yaml must be customized to use a different builder base image,
+// before building a workflow.
+// The following ordered criteria are applied:
+// 1) if the current platform has a configured platform.Spec.Build.Config.BaseImage, that base image must be used.
+// 2) if the current sonataflow-operator-controllers-config.yaml has a configured SonataFlowBaseBuilderImageTag, that
+// base image must be used.
+// 3) No customization apply.
 func GetCustomizedBuilderDockerfile(dockerfile string, platform operatorapi.SonataFlowPlatform) string {
 	if len(platform.Spec.Build.Config.BaseImage) > 0 {
 		dockerfile = strings.Replace(dockerfile, GetFromImageTagDockerfile(dockerfile), platform.Spec.Build.Config.BaseImage, 1)
+	} else if len(cfg.GetCfg().SonataFlowBaseBuilderImageTag) > 0 {
+		dockerfile = strings.Replace(dockerfile, GetFromImageTagDockerfile(dockerfile), cfg.GetCfg().SonataFlowBaseBuilderImageTag, 1)
 	}
 	return dockerfile
 }

controllers/platform/platformutils_test.go

@@ -24,11 +24,17 @@ import (
 	"regexp"
 	"testing"
 
+	"github.com/apache/incubator-kie-kogito-serverless-operator/api/v1alpha08"
+	"github.com/apache/incubator-kie-kogito-serverless-operator/controllers/cfg"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
 	"github.com/stretchr/testify/assert"
 
 	"github.com/apache/incubator-kie-kogito-serverless-operator/test"
 )
 
+const dockerFile = "FROM docker.io/apache/default-test-kie-sonataflow-builder:main AS builder\n\n# ETC, \n\n# ETC, \n\n# ETC"
+
 func TestSonataFlowBuildController(t *testing.T) {
 	platform := test.GetBasePlatform()
 	dockerfileBytes, err := os.ReadFile("../../test/builder/Dockerfile")
@@ -49,3 +55,49 @@ func TestSonataFlowBuildController(t *testing.T) {
 	assert.NoError(t, err)
 	assert.True(t, foundProductized)
 }
+
+func TestGetCustomizedBuilderDockerfile_NoBaseImageCustomization(t *testing.T) {
+	sfp := v1alpha08.SonataFlowPlatform{
+		TypeMeta:   metav1.TypeMeta{},
+		ObjectMeta: metav1.ObjectMeta{},
+		Spec:       v1alpha08.SonataFlowPlatformSpec{},
+		Status:     v1alpha08.SonataFlowPlatformStatus{},
+	}
+	customizedDockerfile := GetCustomizedBuilderDockerfile(dockerFile, sfp)
+	assert.Equal(t, dockerFile, customizedDockerfile)
+}
+
+func TestGetCustomizedBuilderDockerfile_BaseImageCustomizationFromPlatform(t *testing.T) {
+	sfp := v1alpha08.SonataFlowPlatform{
+		TypeMeta:   metav1.TypeMeta{},
+		ObjectMeta: metav1.ObjectMeta{},
+		Spec: v1alpha08.SonataFlowPlatformSpec{
+			Build: v1alpha08.BuildPlatformSpec{
+				Template: v1alpha08.BuildTemplate{},
+				Config: v1alpha08.BuildPlatformConfig{
+					BaseImage: "docker.io/apache/platfom-sonataflow-builder:main",
+				},
+			},
+		},
+		Status: v1alpha08.SonataFlowPlatformStatus{},
+	}
+
+	expectedDockerFile := "FROM docker.io/apache/platfom-sonataflow-builder:main AS builder\n\n# ETC, \n\n# ETC, \n\n# ETC"
+	customizedDockerfile := GetCustomizedBuilderDockerfile(dockerFile, sfp)
+	assert.Equal(t, expectedDockerFile, customizedDockerfile)
+}
+
+func TestGetCustomizedBuilderDockerfile_BaseImageCustomizationFromControllersConfig(t *testing.T) {
+	sfp := v1alpha08.SonataFlowPlatform{
+		TypeMeta:   metav1.TypeMeta{},
+		ObjectMeta: metav1.ObjectMeta{},
+		Spec:       v1alpha08.SonataFlowPlatformSpec{},
+		Status:     v1alpha08.SonataFlowPlatformStatus{},
+	}
+
+	_, err := cfg.InitializeControllersCfgAt("../cfg/testdata/controllers-cfg-test.yaml")
+	assert.NoError(t, err)
+	expectedDockerFile := "FROM local/sonataflow-builder:1.0.0 AS builder\n\n# ETC, \n\n# ETC, \n\n# ETC"
+	customizedDockerfile := GetCustomizedBuilderDockerfile(dockerFile, sfp)
+	assert.Equal(t, expectedDockerFile, customizedDockerfile)
+}