viking-test-app chart supoorts rewrite rules.

charts/viking-test-app/templates/varnishconfig.yaml

-{{ if coalesce .Values.acls .Values.vcl (hasKey .Values "selfSharding") .Values.auth -}}
+{{ if coalesce .Values.acls .Values.vcl (hasKey .Values "selfSharding") .Values.auth .Values.rewrites -}}
 {{ if empty .Values.vikingAdmSvc -}}
   {{ fail "Viking admin Service must be specified" -}}
 {{ end -}}
@@ -40,4 +40,8 @@ spec:
       {{- end }}
     {{- end }}
   {{- end }}
+  {{- if .Values.rewrites }}
+  rewrites:
+    {{ toYaml .Values.rewrites | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/viking-test-app/values.yaml

@@ -51,3 +51,6 @@ vcl: ""
 # Authentication (Basic or Proxy) for VarnishConfig.
 # Include a field "creds" with a name-value map for credentials.
 auth: []
+
+# Rewrite rules for headers and URL paths.
+rewrites: []