Lua Route Filter
RouteFilter Lua
Invoke Lua script per-route by creating a RouteFilter
and attaching it to a Route in GatewayHost
or ServiceRoute
apiVersion: enroute.saaras.io/v1
kind: RouteFilter
metadata:
labels:
component: lua
configscope: vhconfig
name: luafilter
namespace: httpbin
resourceVersion: "1224971"
uid: dce13863-418f-47e5-a354-434a9a739e08
spec:
name: luafilter
routeFilterConfig:
config: |
function envoy_on_request(request_handle)
-- nothing to do on request path
end
function envoy_on_response(response_handle)
-- if response is a 500, update it to 404 with a friendly message
if response_handle:headers():get(":status") == "500" then
response_handle:body():setBytes("<html><b>This should not have happened!<b></html>")
response_handle:headers():replace(":status", 404)
end
end
type: route_filter_lua