cluster: addons as list

cmd/dkl-dir2config/render-cluster.go

@@ -101,12 +101,18 @@ func renderAddons(cluster *clustersconfig.Cluster) string {
 		return ""
 	}
 
-	addons := src.Addons[cluster.Addons]
+	buf := new(bytes.Buffer)
+
+	for _, addonSet := range cluster.Addons {
+		addons := src.Addons[addonSet]
 		if addons == nil {
-		log.Fatalf("cluster %q: no addons with name %q", cluster.Name, cluster.Addons)
+			log.Fatalf("cluster %q: no addons with name %q", cluster.Name, addonSet)
 		}
 
-	return string(renderClusterTemplates(cluster, "addons", addons))
+		buf.Write(renderClusterTemplates(cluster, "addons", addons))
+	}
+
+	return buf.String()
 }
 
 type namePod struct {

pkg/clustersconfig/clustersconfig.go

@@ -221,7 +221,7 @@ type Cluster struct {
 	Annotations map[string]string
 
 	Domain  string
-	Addons  string
+	Addons  []string
 	Subnets struct {
 		Services string
 		Pods     string

pkg/clustersconfig/dir.go

@@ -102,11 +102,12 @@ func FromDir(
 
 	// cluster addons
 	for _, cluster := range config.Clusters {
-		addonSet := cluster.Addons
+		addonSets := cluster.Addons
-		if len(addonSet) == 0 {
+		if len(addonSets) == 0 {
 			continue
 		}
 
+		for _, addonSet := range addonSets {
 			if _, ok := config.Addons[addonSet]; ok {
 				continue
 			}
@@ -118,6 +119,7 @@ func FromDir(
 
 			config.Addons[addonSet] = templates
 		}
+	}
 
 	// cluster bootstrap pods
 	for _, host := range config.Hosts {