feat(chart): add support for specifying --default-load-balancer-scheme flag

Author: ysam12345

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

@@ -218,6 +218,7 @@ The default values set by the application itself can be confirmed [here](https:/
 | `awsApiThrottle`                               | Custom AWS API throttle settings                                                                                                                                                                                      | None                                              |
 | `awsMaxRetries`                                | Maximum retries for AWS APIs                                                                                                                                                                                          | None                                              |
 | `defaultTargetType`                            | Default target type. Used as the default value of the `alb.ingress.kubernetes.io/target-type` and `service.beta.kubernetes.io/aws-load-balancer-nlb-target-type" annotations.`Possible values are `ip` and `instance`. | `instance`                                        |
+| `defaultLoadBalancerScheme`                    | Default scheme for ELBs. Possible values are `internal` and `internet-facing`. When not specifying, an `internal` ELB will be created by default.                                                                     | ""                                                |
 | `enablePodReadinessGateInject`                 | If enabled, targetHealth readiness gate will get injected to the pod spec for the matching endpoint pods                                                                                                              | None                                              |
 | `enableShield`                                 | Enable Shield addon for ALB                                                                                                                                                                                           | None                                              |
 | `enableWaf`                                    | Enable WAF addon for ALB                                                                                                                                                                                              | None                                              |

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

@@ -169,6 +169,9 @@ spec:
         {{- if ne .Values.defaultTargetType "instance" }}
         - --default-target-type={{ .Values.defaultTargetType }}
         {{- end }}
+        {{- if .Values.defaultLoadBalancerScheme }}
+        - --default-load-balancer-scheme={{ .Values.defaultLoadBalancerScheme }}
+        {{- end }}
         {{- if .Values.serviceTargetENISGTags }}
         - --service-target-eni-security-group-tags={{ .Values.serviceTargetENISGTags }}
         {{- end }}

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

@@ -146,8 +146,10 @@ awsApiThrottle:
 # Maximum retries for AWS APIs (default 10)
 awsMaxRetries:
 
-
-
+# Default load balancer scheme when not specifying "alb.ingress.kubernetes.io/scheme" or
+# "service.beta.kubernetes.io/aws-load-balancer-scheme" annotations.
+# Possible values are "internal" and "internet-facing" (default "internal")
+defaultLoadBalancerScheme:
 
 # If enabled, targetHealth readiness gate will get injected to the pod spec for the matching endpoint pods (default true)
 enablePodReadinessGateInject:

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

@@ -189,6 +189,11 @@ awsMaxRetries:
 # Cilium with masquerading enabled.
 defaultTargetType: instance
 
+# Default load balancer scheme when not specifying "alb.ingress.kubernetes.io/scheme" or
+# "service.beta.kubernetes.io/aws-load-balancer-scheme" annotations.
+# Possible values are "internal" and "internet-facing" (default "internal")
+defaultLoadBalancerScheme:
+
 # If enabled, targetHealth readiness gate will get injected to the pod spec for the matching endpoint pods (default true)
 enablePodReadinessGateInject: