Added option to hardcode load balancer IP for allocator. (#1766)

* Added option to hardcode load balancer IP for allocator. * Updated documentation and manually tested change. Co-authored-by: Nikhil Athreya <[email protected]>
googleforgames · Aug 21, 2020 · 638a7fd · 638a7fd
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commit 638a7fd
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Showing 3 changed files with 9 additions and 2 deletions.
diff --git a/install/helm/agones/templates/service/allocation.yaml b/install/helm/agones/templates/service/allocation.yaml
@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+{{- $useLoadBalancerIP := and (ne .Values.agones.allocator.http.loadBalancerIP "") (eq .Values.agones.allocator.http.serviceType "LoadBalancer") }}
 {{- if .Values.agones.allocator.install }}
 # Define a Service for the agones-allocator
 apiVersion: v1
@@ -38,6 +39,9 @@ spec:
       targetPort: 8443
       protocol: TCP
   type: {{ .Values.agones.allocator.http.serviceType }}
+{{- if $useLoadBalancerIP }}
+  loadBalancerIP: {{ .Values.agones.allocator.http.loadBalancerIP }}
+{{- end }}
 
 ---
 # Deploy a pod to run the agones-allocator code
@@ -241,7 +245,7 @@ data:
 
 ---
 # Allocation TLS certs
-{{- $cert := genSignedCert "" nil nil 3650 $ca }}
+{{- $cert := genSignedCert "" ($useLoadBalancerIP | ternary (list .Values.agones.allocator.http.loadBalancerIP) nil) nil 3650 $ca }}
 apiVersion: v1
 kind: Secret
 type: kubernetes.io/tls

diff --git a/install/helm/agones/values.yaml b/install/helm/agones/values.yaml
@@ -124,6 +124,7 @@ agones:
     http:
       port: 443
       serviceType: LoadBalancer
+      loadBalancerIP: ""
       annotations: {}
     generateTLS: true
     generateClientTLS: true

diff --git a/site/content/en/docs/Installation/Install Agones/helm.md b/site/content/en/docs/Installation/Install Agones/helm.md
@@ -228,7 +228,8 @@ The following tables lists the configurable parameters of the Agones chart and t
 
 | Parameter                                           | Description                                                                                     | Default                |
 | --------------------------------------------------- | ----------------------------------------------------------------------------------------------- | ---------------------- |
-|                                                     |                                                                                                 |                        |
+| `agones.allocator.http.loadBalancerIP`              | The [Load Balancer IP][loadBalancerIP] of the Agones allocator load balancer. Only works if the Kubernetes provider supports this option. | ""                     |
+
 {{% /feature %}}
 
 [toleration]: https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/
@@ -239,6 +240,7 @@ The following tables lists the configurable parameters of the Agones chart and t
 [ping]: {{< ref "/docs/Guides/ping-service.md" >}}
 [service]: https://kubernetes.io/docs/concepts/services-networking/service/
 [allocator]: {{< ref "/docs/advanced/allocator-service.md" >}}
+[loadBalancerIP]: https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,