feat: add default ingressclass annotation ✨ (#2756)

* feat: add default ingressclass annotation ✨

* bump version and add docs

* modify according to peer review

Author: meysam81

helm/aws-load-balancer-controller/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 name: aws-load-balancer-controller
 description: AWS Load Balancer Controller Helm chart for Kubernetes
-version: 1.4.4
+version: 1.4.5
 appVersion: v2.4.3
 home: https://github.com/aws/eks-charts
 icon: https://raw.githubusercontent.com/aws/eks-charts/master/docs/logo/aws.png

helm/aws-load-balancer-controller/README.md

@@ -249,3 +249,4 @@ The default values set by the application itself can be confirmed [here](https:/
 | `serviceMonitor.namespace`                     | Namespace in which Prometheus is running                                                                 | None                                                                               |
 | `clusterSecretsPermissions.allowAllSecrets`    | If `true`, controller has access to all secrets in the cluster.                                          | `false`                                                                            |
 | `controllerConfig.featureGates`                | set of `key: value` pairs that describe AWS load balance controller features                             | `{}`                                                                               |
+| `ingressClassConfig.default`                   | If `true`, the ingressclass will be the default class of the cluster.                                    | `false`                                                                            |

helm/aws-load-balancer-controller/templates/ingressclass.yaml

@@ -26,6 +26,10 @@ items:
     name: {{ .Values.ingressClass }}
     labels:
       {{- include "aws-load-balancer-controller.labels" . | nindent 6 }}
+    {{- if .Values.ingressClassConfig.default }}
+    annotations:
+      ingressclass.kubernetes.io/is-default-class: "true"
+    {{- end }}
   spec:
     controller: ingress.k8s.aws/alb
     {{- if or .Values.ingressClassParams.name (and .Values.ingressClassParams.create .Values.ingressClassParams.spec) }}

helm/aws-load-balancer-controller/values.yaml

@@ -324,3 +324,7 @@ clusterSecretsPermissions:
   # allowAllSecrets allows the controller to access all secrets in the cluster.
   # This is to get backwards compatible behavior, but *NOT* recommended for security reasons
   allowAllSecrets: false
+
+# ingressClassConfig contains configurations specific to the ingress class
+ingressClassConfig:
+  default: false