charts/service-deployment: Expose targetPort and protocol in service …

…definition (closes #53)

charts/service-deployment/README.md

@@ -67,7 +67,9 @@ helm delete service-deployment
 | hpa.maxReplicas | int | `20` | Maximum number of pods to deploy |
 | hpa.averageCPUUtilization | int | `75` | Average CPU utilization before auto-scaling starts |
 | service.deploy | bool | `true` | Whether to setup service bindings (note: only NodePort is supported) |
-| service.port | int | `80` | Port to bind and expose the service on |
+| service.port | int | `8000` | Port to bind and expose the service on |
+| service.targetPort | int | `80` | The Target Port that the actual application is being exposed on |
+| service.protocol | string | `"TCP"` | Protocol that the service leverages (note: TCP or UDP) |
 | service.aws.targetGroupARN | string | `""` | EC2 TargetGroup ARN to bind the service onto |
 | service.gcp.networkEndpointGroupName | string | `""` | Name of the Network Endpoint Group to bind onto |
 | dockerconfigjson.name | string | `"snowplow-sd-dockerhub"` | Name of the secret to use for the private repository |

charts/service-deployment/templates/NOTES.txt

@@ -10,7 +10,7 @@ The service can be accessed via port {{ .Values.service.port }} on the following
 
 To connect to your server from outside the cluster execute the following commands:
 
-    kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ include "app.fullname" . }} 8080:{{ .Values.service.port }}
+    kubectl port-forward --namespace {{ .Release.Namespace }} svc/{{ include "app.fullname" . }} {{ .Values.service.port }}:{{ .Values.service.port }}
 
-You can then navigate to your service in your browser at localhost:8080 or issue request with tools like cURL.
+You can then navigate to your service in your browser at localhost:{{ .Values.service.port }} or issue request with tools like cURL.
 {{- end }}

charts/service-deployment/templates/service.yaml

@@ -15,6 +15,6 @@ spec:
   ports:
   - name: http-port
     port: {{ .Values.service.port }}
-    protocol: TCP
-    targetPort: {{ .Values.service.port }}
+    protocol: {{ .Values.service.protocol }}
+    targetPort: {{ .Values.service.targetPort }}
 {{- end }}

charts/service-deployment/values.yaml

@@ -74,7 +74,11 @@ service:
   # -- Whether to setup service bindings (note: only NodePort is supported)
   deploy: true
   # -- Port to bind and expose the service on
-  port: 80
+  port: 8000
+  # -- The Target Port that the actual application is being exposed on
+  targetPort: 80
+  # -- Protocol that the service leverages (note: TCP or UDP)
+  protocol: "TCP"
   aws:
     # -- EC2 TargetGroup ARN to bind the service onto
     targetGroupARN: ""