viking-test-app chart supports VarnishConfig req-disposition.

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

-{{ if coalesce .Values.acls .Values.vcl (hasKey .Values "selfSharding") .Values.auth .Values.rewrites -}}
+{{ if coalesce .Values.acls .Values.vcl (hasKey .Values "selfSharding") .Values.auth .Values.rewrites .Values.reqDisposition -}}
 {{ if empty .Values.vikingAdmSvc -}}
   {{ fail "Viking admin Service must be specified" -}}
 {{ end -}}
@@ -44,4 +44,8 @@ spec:
   rewrites:
     {{ toYaml .Values.rewrites | nindent 4 }}
   {{- end }}
+  {{- if .Values.reqDisposition }}
+  req-disposition:
+    {{ toYaml .Values.reqDisposition | nindent 4 }}
+  {{- end }}
 {{- end }}

charts/viking-test-app/values.yaml

@@ -54,3 +54,7 @@ auth: []
 
 # Rewrite rules for headers and URL paths.
 rewrites: []
+
+# Request disposition -- rules for handling incoming requests
+# (overriding vcl_recv in builtin-in VCL).
+reqDisposition: []