Why EnVoyFilter does not generate Envoy configurations under the specified namespace. Envoy configurations can be generated under Istio-System.
apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
name: 503-redirect-lua-filter
namespace: idp
spec:
# workloadSelector:
# labels:
# ray-node-name: ray-idp-raycluster-a-executor-head
configPatches:
- applyTo: HTTP_FILTER
match:
context: GATEWAY
listener:
filterChain:
filter:
name: envoy.filters.network.http_connection_manager
subFilter:
name: envoy.filters.http.router
patch:
operation: INSERT_BEFORE
value:
name: envoy.filters.http.lua
typed_config:
"@type": "type.googleapis.com/envoy.extensions.filters.http.lua.v3.Lua"
inlineCode: |
function envoy_on_response(response_handle)
if response_handle:headers():get(":status") == "503" then
response_handle:logInfo("Got status 503, redirect to login...")
response_handle:headers():replace(":status", "302")
response_handle:headers():add("location", "https://xxxx.xxxx.co/studio")
end
end
kubectl -n istio-system exec istio-ingressgateway-787c7bd99b-p97q2 -c istio-proxy -- curl 'localhost:15000/config_dump' > config_dump.jsonv