Deduplicate related images

Signed-off-by: Fabricio Aguiar <[email protected]>

cmd/csv-merger/csv-merger.go

@@ -27,6 +27,7 @@ import (
 	"github.com/ghodss/yaml"
 	"github.com/imdario/mergo"
 	"github.com/openstack-k8s-operators/openstack-operator/pkg/util"
+	"golang.org/x/exp/maps"
 
 	semver "github.com/blang/semver/v4"
 	"github.com/operator-framework/api/pkg/lib/version"
@@ -163,6 +164,18 @@ func main() {
 			envVarList = append(envVarList, getEnvsFromFile(filename)...)
 		}
 	}
+	uniqueEnv := make(map[string]v1.EnvVar)
+	for _, container := range csvBase.Spec.InstallStrategy.StrategySpec.DeploymentSpecs[0].Spec.Template.Spec.Containers {
+		if container.Name == "manager" {
+			for _, env := range container.Env {
+				uniqueEnv[env.Name] = env
+			}
+		}
+	}
+	uniqueImages := make(map[string]csvv1alpha1.RelatedImage)
+	for _, img := range csvBase.Spec.RelatedImages {
+		uniqueImages[img.Name] = img
+	}
 	for _, csvFile := range csvs {
 		if csvFile != "" {
 			csvBytes, err := os.ReadFile(csvFile)
@@ -182,14 +195,22 @@ func main() {
 			for _, container := range csvStruct.Spec.InstallStrategy.StrategySpec.DeploymentSpecs[0].Spec.Template.Spec.Containers {
 				// Copy env vars from the Service Operator into the OpenStack Operator
 				if container.Name == "manager" {
-					envVarList = append(envVarList, container.Env...)
+					for _, env := range container.Env {
+						uniqueEnv[env.Name] = env
+					}
 				}
 			}
+			envVarList = maps.Values(uniqueEnv)
 
 			installStrategyBase.DeploymentSpecs = append(installStrategyBase.DeploymentSpecs, csvStruct.Spec.InstallStrategy.StrategySpec.DeploymentSpecs...)
 			installStrategyBase.ClusterPermissions = append(installStrategyBase.ClusterPermissions, csvStruct.Spec.InstallStrategy.StrategySpec.ClusterPermissions...)
 			installStrategyBase.Permissions = append(installStrategyBase.Permissions, csvStruct.Spec.InstallStrategy.StrategySpec.Permissions...)
-			csvNew.Spec.RelatedImages = append(csvNew.Spec.RelatedImages, csvStruct.Spec.RelatedImages...)
+			for _, img := range csvStruct.Spec.RelatedImages {
+				if img.Name != "manager" {
+					uniqueImages[img.Name] = img
+				}
+			}
+			csvNew.Spec.RelatedImages = maps.Values(uniqueImages)
 
 			for _, owned := range csvStruct.Spec.CustomResourceDefinitions.Owned {
 				csvNew.Spec.CustomResourceDefinitions.Owned = append(