Documenting service annotations. (#999)

charts/zalenium/README.md

@@ -85,6 +85,7 @@ See Zalenium's [usage examples](https://github.com/zalando/zalenium/blob/master/
 | `hub.readinessTimeout` | Timeout for probe Hub readiness via HTTP request on Hub console | `1` |
 | `hub.localVolumesRoot` | The root directory to store HostPath volumes (e.g. if running in minikube) | `/tmp` |
 | `hub.resources` | The resources for the hub container, defaults to minimum half a cpu and maximum 512 mb RAM | `{"limits":{"cpu":".5", "memory":"512Mi"}}` |
+| `hub.serviceAnnotations` | Annotations to be added to the service | `{}` |
 | `hub.serviceType` | The Service type | `NodePort` |
 | `hub.serviceSourceRanges` | The list of IPs allowed to connect to the service. Important - in command line you have to escape commas, e.g.: `{"10.10.0.0/24\,10.20.0.0/16"}` | `{"0.0.0.0/0"}` |
 | `hub.serviceSessionAffinity` | The session affinity for the hub service| `None` |

charts/zalenium/values.yaml

@@ -68,6 +68,13 @@ hub:
   ## ref: https://kubernetes.io/docs/user-guide/services/
   serviceSessionAffinity: "None"
 
+  # Annotations to be added to the service.
+  ##
+  serviceAnnotations: {}
+  # Below we expose metrics to Prometheus.
+  #   prometheus.io/path: /metrics
+  #   prometheus.io/scrape: "true"
+
   ## Environment variables passed to Zalenium hub.
   ## https://github.com/zalando/zalenium/blob/master/docs/usage_examples.md
   desiredContainers: 2