feat(charts): Add support to add annotations during install

Author: kmala

charts/router/templates/router-deployment.yaml

@@ -6,6 +6,9 @@ metadata:
     heritage: deis
   annotations:
     component.deis.io/version: {{ .Values.docker_tag }}
+{{- range $key, $value := .Values.deployment_annotations }}
+    {{ $key }}: {{ $value }}
+{{- end }}
 {{- if not (empty .Values.platform_domain) }}
     router.deis.io/nginx.platformDomain: {{ .Values.platform_domain }}
 {{- end }}

charts/router/templates/router-service.yaml

@@ -2,6 +2,12 @@ apiVersion: v1
 kind: Service
 metadata:
   name: deis-router
+{{- if .Values.service_annotations }}
+  annotations:
+{{- range $key, $value := .Values.service_annotations }}
+    {{ $key }}: {{ $value }}
+{{- end }}
+{{- end }}
   labels:
     heritage: deis
 spec:

charts/router/values.yaml

@@ -5,3 +5,13 @@ platform_domain: ""
 dhparam: ""
 # limits_cpu: "100m"
 # limits_memory: "50Mi"
+
+# Any custom router annotations(https://github.com/deis/router#annotations)
+# which need to be applied can be specified as key-value pairs under "deployment_annotations"
+deployment_annotations:
+  #<example-key>: <example-value>
+
+# Any custom annotations for k8s services like http://kubernetes.io/docs/user-guide/services/#ssl-support-on-aws
+# which need to be applied can be specified as key-value pairs under "service_annotations"
+service_annotations:
+  #<example-key>: <example-value>