Kong Ingress Controller has no effect on Kong Plugins
Looking at the Kong docs, the rate-limit YAML looks correct. If the resource is configured correctly, Kong is not matching the request against the ingress resource because the user is not sending the correct request.
KongPlugin, KongIngress should be in same namespace as Service. YAML provides looks correct. There must be something wrong in ingress yamls annotation and configuration.Is your service annotated with Ingress object?
I think you need to add this annotation to your KongPlugin:
annotations: kubernetes.io/ingress.class: kongSo try with
apiVersion: configuration.konghq.com/v1kind: KongPluginmetadata: name: http-ratelimit annotations: kubernetes.io/ingress.class: kong[...]