build: include AWS Load Balancer controller in Helm chart

Author: dkoshkin

charts/cluster-api-runtime-extensions-nutanix/addons/aws-load-balancer-controller/values-template.yaml

@@ -0,0 +1 @@
+clusterName: "{{ .ControlPlane.spec.eksClusterName }}"

charts/cluster-api-runtime-extensions-nutanix/templates/addons/aws-load-balancer-controller/helm-addon-installation.yaml

@@ -0,0 +1,12 @@
+# Copyright 2025 Nutanix. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+{{- if .Values.hooks.addons.awsLoadBalancerController.defaultValueTemplateConfigMap.create }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: '{{ .Values.hooks.addons.awsLoadBalancerController.defaultValueTemplateConfigMap.name }}'
+data:
+  values.yaml: |-
+    {{- .Files.Get "addons/aws-load-balancer-controller/values-template.yaml" | nindent 4 }}
+{{- end -}}

charts/cluster-api-runtime-extensions-nutanix/templates/helm-config.yaml

@@ -15,6 +15,10 @@ data:
     ChartName: aws-ebs-csi-driver
     ChartVersion: 2.48.0
     RepositoryURL: '{{ if .Values.helmRepository.enabled }}oci://helm-repository.{{ .Release.Namespace }}.svc/charts{{ else }}https://kubernetes-sigs.github.io/aws-ebs-csi-driver{{ end }}'
+  aws-load-balancer-controller: |
+    ChartName: aws-load-balancer-controller
+    ChartVersion: 1.13.4
+    RepositoryURL: '{{ if .Values.helmRepository.enabled }}oci://helm-repository.{{ .Release.Namespace }}.svc/charts{{ else }}https://aws.github.io/eks-charts{{ end }}'
   cilium: |
     ChartName: cilium
     ChartVersion: 1.18.2

charts/cluster-api-runtime-extensions-nutanix/values.yaml

@@ -117,6 +117,12 @@ hooks:
       create: true
       name: default-registry-syncer-helm-values-template
 
+  addons:
+    awsLoadBalancerController:
+      defaultValueTemplateConfigMap:
+        create: true
+        name: default-aws-load-balancer-controller-helm-values-template
+
 helmAddonsConfigMap: default-helm-addons-config
 
 deployDefaultClusterClasses: true

hack/addons/helm-chart-bundler/repos.yaml

@@ -16,6 +16,11 @@ repositories:
     charts:
       aws-ebs-csi-driver:
       - 2.48.0
+  aws-load-balancer-controller:
+    repoURL: https://aws.github.io/eks-charts
+    charts:
+      aws-load-balancer-controller:
+      - 1.13.4
   cilium:
     repoURL: https://helm.cilium.io/
     charts:

hack/addons/kustomize/aws-load-balancer-controller/kustomization.yaml.tmpl

@@ -0,0 +1,17 @@
+# Copyright 2025 Nutanix. All rights reserved.
+# SPDX-License-Identifier: Apache-2.0
+
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+metadata:
+  name: aws-load-balancer-controller
+
+helmCharts:
+- name: aws-load-balancer-controller
+  namespace: kube-system
+  repo: https://aws.github.io/eks-charts
+  releaseName: aws-load-balancer-controller
+  version: ${AWS_LOAD_BALANCER_CONTROLLER_CHART_VERSION}
+  includeCRDs: true
+  skipTests: true

hack/tools/fetch-images/main.go

@@ -381,6 +381,27 @@ func getValuesFileForChartIfNeeded(chartName, carenChartDirectory string) (strin
 			return "", fmt.Errorf("failed to execute helm values template %w", err)
 		}
 
+		return tempFile.Name(), nil
+	case "aws-load-balancer-controller":
+		f := filepath.Join(carenChartDirectory, "addons", "aws-load-balancer-controller", defaultHelmAddonFilename)
+		tempFile, err := os.CreateTemp("", "")
+		if err != nil {
+			return "", fmt.Errorf("failed to create temp file: %w", err)
+		}
+
+		templateInput := map[string]interface{}{
+			"InfraCluster": map[string]interface{}{
+				"spec": map[string]interface{}{
+					"eksClusterName": "tmplCluster",
+				},
+			},
+		}
+
+		err = template.Must(template.New(defaultHelmAddonFilename).ParseFiles(f)).Execute(tempFile, &templateInput)
+		if err != nil {
+			return "", fmt.Errorf("failed to execute helm values template %w", err)
+		}
+
 		return tempFile.Name(), nil
 	default:
 		return "", nil

make/addons.mk

@@ -18,6 +18,8 @@ export AWS_CCM_VERSION_131 := v1.31.5
 export AWS_CCM_VERSION_132 := v1.32.1
 export AWS_CCM_VERSION_133 := v1.33.0
 
+export AWS_LOAD_BALANCER_CONTROLLER_CHART_VERSION := 1.13.4
+
 export NUTANIX_CCM_CHART_VERSION := 0.5.2
 
 export KUBE_VIP_VERSION := v0.9.1