Allow disabling ingress validation (#3847)

Author: sarevalo2002

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

@@ -223,6 +223,7 @@ The default values set by the application itself can be confirmed [here](https:/
 | `ingressMaxConcurrentReconciles`               | Maximum number of concurrently running reconcile loops for ingress                                                                                                                                                                                                                                                                           | None                                              |
 | `logLevel`                                     | Set the controller log level - info, debug                                                                                                                                                                                                                                                                                                   | None                                              |
 | `metricsBindAddr`                              | The address the metric endpoint binds to                                                                                                                                                                                                                                                                                                     | ""                                                |
+| `webhookConfig.disableIngressValidation`       | Disables the validation of resources of kind Ingress                                                                                                                                                                                                                                                                                                      | None                                              |
 | `webhookBindPort`                              | The TCP port the Webhook server binds to                                                                                                                                                                                                                                                                                                     | None                                              |
 | `webhookTLS.caCert`                            | TLS CA certificate for webhook (auto-generated if not provided)                                                                                                                                                                                                                                                                              | ""                                                |
 | `webhookTLS.cert`                              | TLS certificate for webhook (auto-generated if not provided)                                                                                                                                                                                                                                                                                 | ""                                                |

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

@@ -181,6 +181,7 @@ webhooks:
     resources:
     - targetgroupbindings
   sideEffects: None
+{{- if not $.Values.webhookConfig.disableIngressValidation }}
 - clientConfig:
     {{ if not $.Values.enableCertManager -}}
     caBundle: {{ $tls.caCert }}
@@ -205,6 +206,7 @@ webhooks:
     resources:
     - ingresses
   sideEffects: None
+{{- end }}
 ---
 {{- if not $.Values.enableCertManager }}
 apiVersion: v1

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

@@ -201,6 +201,10 @@ logLevel:
 # The address the metric endpoint binds to. (default ":8080")
 metricsBindAddr: ""
 
+webhookConfig:
+  # disableIngressValidation disables the validation of resources of kind Ingress, false by default
+  disableIngressValidation:
+
 # The TCP port the Webhook server binds to. (default 9443)
 webhookBindPort: