feat(nginx): add loadBalancerClass and externalIPs

Signed-off-by: Hyeonki Hong <hhk7734@gmail.com>

templates/nginx/service.yaml

@@ -71,13 +71,20 @@ spec:
 {{- end }}
 spec:
   type: LoadBalancer
+  {{- with $loadBalancer.loadBalancerClass }}
+  loadBalancerClass: {{ . }}
+  {{- end }}
   {{- with $loadBalancer.sourceRanges }}
   loadBalancerSourceRanges:
     {{- toYaml . | nindent 4 }}
   {{- end }}
   {{- if $loadBalancer.IP }}
   loadBalancerIP: {{ $loadBalancer.IP }}
   {{- end }}
+  {{- with $loadBalancer.externalIPs }}
+  externalIPs:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   ports:
     - name: http
       port: {{ $loadBalancer.ports.httpPort }}

values.yaml

@@ -83,8 +83,13 @@ expose:
   loadBalancer:
     # The name of LoadBalancer service
     name: harbor
+    # Set the class of the loadBalancer implementation(Kubernetes >= 1.24)
+    loadBalancerClass: ""
     # Set the IP if the LoadBalancer supports assigning IP
     IP: ""
+    # Set a list of IP addresses for which nodes in the cluster will also accept
+    # traffic for this service. These IPs are not managed by Kubernetes
+    externalIPs: []
     ports:
       # The service port Harbor listens on when serving HTTP
       httpPort: 80