naikajah / rate-limit-example Goto Github PK

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: filter-ratelimit
  namespace: default
spec:
  configPatches:
    - applyTo: HTTP_FILTER
      match:
        context: SIDECAR_INBOUND
        listener:
          filterChain:
            filter:
              name: "envoy.http_connection_manager"
              subFilter:
                name: "envoy.router"
      patch:
        operation: INSERT_BEFORE
        value:
          name: envoy.filters.http.local_ratelimit
          typed_config:
            "@type": type.googleapis.com/envoy.extensions.filters.http.local_ratelimit.v3.LocalRateLimit
            stat_prefix: http_local_rate_limiter
            token_bucket:
              max_tokens: 12345
              tokens_per_fill: 1
              fill_interval: 10s
            filter_enabled:
              runtime_key: local_rate_limit_enabled
              default_value:
                numerator: 100
                denominator: HUNDRED
            filter_enforced:
              runtime_key: local_rate_limit_enforced
              default_value:
                numerator: 100
                denominator: HUNDRED
            response_headers_to_add:
              - append: false
                header:
                  key: x-local-rate-limit
                  value: 'true'