[Kibana] Update kibana service template

kibana/README.md

@@ -65,6 +65,7 @@ helm install --name kibana elastic/kibana --version 7.1.0 --set imageTag=7.1.0
 | `nodeSelector`            | Configurable [nodeSelector](https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#nodeselector) so that you can target specific nodes for your Kibana instances                                                                                                                                                                                   | `{}`                                                                                                                      |
 | `tolerations`             | Configurable [tolerations](https://kubernetes.io/docs/concepts/configuration/taint-and-toleration/)                                                                                                                                                                                                                                                            | `[]`                                                                                                                      |
 | `ingress`                 | Configurable [ingress](https://kubernetes.io/docs/concepts/services-networking/ingress/) to expose the Kibana service. See [`values.yaml`](./values.yaml) for an example                                                                                                                                                                                       | `enabled: false`                                                                                                          |
+| `service`                 | Configurable [service](https://kubernetes.io/docs/concepts/services-networking/service/) to expose the Kibana service. See [`values.yaml`](./values.yaml) for an example                                                                                                                                                                                       | `type: ClusterIP`<br>`port: 5601`<br>`annotations: {}`                                                                                                          |
 
 ## Examples
 

kibana/templates/service.yaml

@@ -7,6 +7,10 @@ metadata:
     app: {{ .Chart.Name }}
     release: {{ .Release.Name | quote }}
     heritage: {{ .Release.Service }}
+{{- with .Values.service.annotations }}
+  annotations:
+{{ toYaml . | indent 4 }}
+{{- end }}
 spec:
   type: {{ .Values.service.type }}
   ports:

kibana/tests/kibana_test.py

@@ -41,6 +41,9 @@ def test_defaults():
 
     assert r['deployment'][name]['spec']['strategy']['type'] == 'Recreate'
 
+    # Make sure that the default 'annotation' dictionary is empty
+    assert 'annotations' not in r['service'][name]['metadata']
+
 def test_overriding_the_elasticsearch_hosts():
     config = '''
     elasticsearchHosts: 'http://hello.world'
@@ -252,3 +255,23 @@ def test_priority_class_name():
     r = helm_template(config)
     priority_class_name = r['deployment'][name]['spec']['template']['spec']['priorityClassName']
     assert priority_class_name == "highest"
+
+
+def test_service_annotatations():
+    config = '''
+service:
+  annotations:
+    cloud.google.com/load-balancer-type: "Internal"
+    '''
+    r = helm_template(config)
+    s = r['service'][name]['metadata']['annotations']['cloud.google.com/load-balancer-type']
+    assert s == "Internal"
+
+    config = '''
+service:
+  annotations:
+    service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0
+    '''
+    r = helm_template(config)
+    s = r['service'][name]['metadata']['annotations']['service.beta.kubernetes.io/aws-load-balancer-internal']
+    assert s == "0.0.0.0/0"

kibana/values.yaml

@@ -74,6 +74,12 @@ updateStrategy:
 service:
   type: ClusterIP
   port: 5601
+  annotations: {}
+    # cloud.google.com/load-balancer-type: "Internal"
+    # service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0
+    # service.beta.kubernetes.io/azure-load-balancer-internal: "true"
+    # service.beta.kubernetes.io/openstack-internal-load-balancer: "true"
+    # service.beta.kubernetes.io/cce-load-balancer-internal-vpc: "true"
 
 ingress:
   enabled: false