Merge pull request #1147 from kremers/nginx/feature/annotations

[bitnami/nginx] Allow annotations for the service to utilize i.e. external-dns

bitnami/nginx/README.md

@@ -66,6 +66,7 @@ The following tables lists the configurable parameters of the NGINX Open Source
 | `service.nodePorts.http`        | Kubernetes http node port                        | `""`                                                         |
 | `service.externalTrafficPolicy` | Enable client source IP preservation             | `Cluster`                                                    |
 | `service.loadBalancerIP`        | LoadBalancer service IP address                  | `""`                                                         |
+| `service.annotations`           | Service annotations                              | `{}`                                                         |
 
 Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,
 

bitnami/nginx/templates/svc.yaml

@@ -7,6 +7,10 @@ metadata:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
+{{- with .Values.service.annotations }}
+  annotations:
+{{ toYaml . | indent 4 }}
+{{- end }}
 spec:
   type: {{ .Values.service.type }}
   {{- if (or (eq .Values.service.type "LoadBalancer") (eq .Values.service.type "NodePort")) }}

bitnami/nginx/values.yaml

@@ -31,7 +31,11 @@ image:
 ##
 service:
   type: LoadBalancer
-  # HTTP Port
+  ## Provide optional annotations to the service i.e. for external-dns
+  # annotations: 
+  #   external-dns.alpha.kubernetes.io/hostname: yourservicename.k8s.yourcompany.com
+  ##
+  ## HTTP Port
   port: 80
   ##
   ## loadBalancerIP: