feat(chart): allow setting loadBalancerClass (#176)

* feat(chart): allow setting loadBalancerClass
* update version, changelog, and readme
* fix pre-commit check

Author: LiquidPL

charts/k8s-gateway/Chart.yaml

@@ -2,12 +2,12 @@ apiVersion: v2
 name: k8s-gateway
 description: A Helm chart for the k8s_gateway CoreDNS plugin
 type: application
-version: 3.2.7
+version: 3.2.8
 appVersion: 1.6.0
 maintainers:
   - url: https://github.com/samip5
     name: samip5
 annotations:
   artifacthub.io/changes: |
     - kind: changed
-      description: update to newer app version
+      description: allow setting loadBalancerClass on Service

charts/k8s-gateway/README.md

@@ -37,9 +37,10 @@ The following table lists the configurable parameters of the k8s_gateway chart a
 | `service.type`                   | The type of service to create (`LoadBalancer`, `NodePort`)                                | `LoadBalancer`        |
 | `service.nodePort`               | Node port when service type is `NodePort`. Randomly chosen by Kubernetes if not provided  |                       |
 | `service.loadBalancerIP`         | The IP address to use when using serviceType `LoadBalancer`                               |                       |
+| `service.loadBalancerClass`      | Load balancer implementation to use when using service type `LoadBalancer`                |                       |
 | `service.clusterIP`              | The IP address to use when using serviceType `ClusterIP`. Randomly chosen by Kubernetes if not provided  |        |
 | `service.useTcp`                 | set this parameter to optionally expose the port on tcp as well as udp for the DNS protocol  | `false`            |
 | `replicaCount`                   | Number of replicas                                                                        | `1`                   |
 | `zoneFiles`                      | Inject few custom zone files                                                              | `[]`                  |
 | `extraVolumes`    | 	Add additional volumes to the workload (e.g., secrets) | `[]` |
-| `extraVolumeMounts`   | Define extra volume mounts for the workload containers (e.g., secrets) | `[]` |
+| `extraVolumeMounts`   | Define extra volume mounts for the workload containers (e.g., secrets) | `[]` |

charts/k8s-gateway/templates/service.yaml

@@ -20,6 +20,9 @@ spec:
   selector:
     {{- include "k8s-gateway.selectorLabels" . | nindent 6 }}
   type: {{ .Values.service.type }}
+  {{- if and .Values.service.loadBalancerClass (eq .Values.service.type "LoadBalancer") }}
+  loadBalancerClass: {{ .Values.service.loadBalancerClass }}
+  {{- end }}
   {{- if and .Values.service.loadBalancerIP (eq .Values.service.type "LoadBalancer") }}
   loadBalancerIP: {{ .Values.service.loadBalancerIP }}
   {{- end }}

charts/k8s-gateway/values.yaml

@@ -80,6 +80,7 @@ service:
   labels: {}
   # nodePort: 30053
   # loadBalancerIP: 192.168.1.2
+  # loadBalancerClass:
   # clusterIP: 10.43.0.53
   # externalTrafficPolicy: Local
   # externalIPs: