[stable/spring-cloud-data-flow] Update service resource to enable annotations templating (#15728)

* [stable/spring-cloud-data-flow] Update service resource to enable annotations templating

- Update server-service for scdf service annotations
- Update README and default value for `.Values.server.service.annotations`

Signed-off-by: natebwangsut <nate.bwangsut@gmail.com>

* Bump chart version

Signed-off-by: natebwangsut <nate.bwangsut@gmail.com>

stable/spring-cloud-data-flow/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v1
 description: Toolkit for building data processing pipelines.
 name: spring-cloud-data-flow
-version: 2.3.0
+version: 2.3.1
 appVersion: 2.1.2.RELEASE
 home: http://cloud.spring.io/spring-cloud-dataflow/
 sources:

stable/spring-cloud-data-flow/README.md

@@ -81,6 +81,7 @@ The following tables list the configurable parameters and their default values.
 | server.version                    | The version/tag of the Data Flow server            | 2.0.2.RELEASE
 | server.imagePullPolicy            | The imagePullPolicy of the Data Flow server        | IfNotPresent
 | server.service.type               | The service type for the Data Flow server          | LoadBalancer
+| server.service.annotations        | Extra annotations for service resources            | {}
 | server.platformName               | The name of the configured platform account        | default
 | server.service.externalPort       | The external port for the Data Flow server         | 80
 

stable/spring-cloud-data-flow/templates/server-service.yaml

@@ -8,6 +8,10 @@ metadata:
     chart: "{{ .Chart.Name }}-{{ .Chart.Version }}"
     release: "{{ .Release.Name }}"
     heritage: "{{ .Release.Service }}"
+{{- if .Values.server.service.annotations }}
+  annotations:
+{{ toYaml .Values.server.service.annotations | indent 4 }}
+{{- end }}
 spec:
   # If you are running k8s on a local dev box, you can use type NodePort instead
   type: {{ .Values.server.service.type }}

stable/spring-cloud-data-flow/values.yaml

@@ -31,6 +31,7 @@ server:
   #  requests:
   #    cpu: 0.5
   #    memory: 640Mi
+  annotations: {}
 
 skipper:
   image: springcloud/spring-cloud-skipper-server