[incubator/kafka] Added external.labels to external services similar to external.annotations (#21390)

Signed-off-by: Alvaro Gonzalez <kortatu@gmail.com>

incubator/kafka/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: Apache Kafka is publish-subscribe messaging rethought as a distributed
   commit log.
 name: kafka
-version: 0.21.1
+version: 0.21.2
 appVersion: 5.0.1
 keywords:
 - kafka

incubator/kafka/README.md

@@ -82,6 +82,7 @@ following configurable parameters:
 | `external.type`                                       | Service Type.                                                                                                                                                            | `NodePort`                                                         |
 | `external.distinct`                                   | Distinct DNS entries for each created A record.                                                                                                                          | `false`                                                            |
 | `external.annotations`                                | Additional annotations for the external service.                                                                                                                         | `{}`                                                               |
+| `external.labels`                                     | Additional labels for the external service.                                                                                                                              | `{}`                                                               |
 | `external.loadBalancerIP`                             | Add Static IP to the type Load Balancer. Depends on the provider if enabled                | `[]`
 | `external.loadBalancerSourceRanges`                   | Add IP ranges that are allowed to access the Load Balancer.                                | `[]`
 | `podAnnotations`                                      | Annotation to be added to Kafka pods                                                                                                                                     | `{}`                                                               |

incubator/kafka/templates/service-brokers-external.yaml

@@ -38,6 +38,9 @@ metadata:
   labels:
   {{- include "kafka.broker.labels" $root | nindent 4 }}
     pod: {{ $responsiblePod | quote }}
+  {{- if $root.Values.external.labels }}
+{{ toYaml $root.Values.external.labels | indent 4 }}
+  {{- end }}
 spec:
   type: {{ $root.Values.external.type }}
   ports:

incubator/kafka/values.yaml

@@ -142,6 +142,9 @@ external:
   type: NodePort
   # annotations:
   #  service.beta.kubernetes.io/openstack-internal-load-balancer: "true"
+  # Labels to be added to external services
+  # labels:
+  #  aLabel: "value"
   dns:
     useInternal: false
     useExternal: true