Allow user to specify a static IP for the Concourse loadbalancer (#6503)

* Allow user to specify a static IP for the Concourse loadbalancer

Signed-off-by: Divya Dadlani <ddadlani@pivotal.io>

* update readme with loadBalancerIP entry; bump version to 1.15.0;

* update readme description of looadBalancerIP

stable/concourse/Chart.yaml

@@ -1,5 +1,5 @@
 name: concourse
-version: 1.14.1
+version: 1.15.0
 appVersion: 3.14.1
 description: Concourse is a simple and scalable CI system.
 icon: https://avatars1.githubusercontent.com/u/7809479

stable/concourse/README.md

@@ -113,6 +113,7 @@ The following table lists the configurable parameters of the Concourse chart and
 | `web.nodeSelector` | Node selector for web nodes | `{}` |
 | `web.service.type` | Concourse Web service type | `ClusterIP` |
 | `web.service.annotations` | Concourse Web Service annotations | `nil` |
+| `web.service.loadBalancerIP` | The IP to use when web.service.type is LoadBalancer | `nil` |
 | `web.service.loadBalancerSourceRanges` | Concourse Web Service Load Balancer Source IP ranges | `nil` |
 | `web.service.atcNodePort` | Sets the nodePort for atc when using `NodePort` | `nil` |
 | `web.service.tsaNodePort` | Sets the nodePort for tsa when using `NodePort` | `nil` |

stable/concourse/templates/web-svc.yaml

@@ -23,6 +23,9 @@ spec:
     - {{ . }}
     {{- end }}
   {{ end }}
+  {{ if and (eq "LoadBalancer" .Values.web.service.type) .Values.web.service.loadBalancerIP }}
+  loadBalancerIP: {{ .Values.web.service.loadBalancerIP }}
+  {{ end }}
   ports:
     - name: atc
       port: {{ .Values.concourse.atcPort }}

stable/concourse/values.yaml

@@ -247,6 +247,9 @@ web:
     ##
     type: ClusterIP
 
+    ## When using web.service.type: LoadBalancer, sets the user-specified load balancer IP
+    # loadBalancerIP: 172.217.1.174
+
     ## Annotations to be added to the web service.
     ##
     # annotations: