Istio practical tips: Customize Max_ body_ size

This article excerpts from istio Learning notes

background

nginx You can set client_max_body_size, So in istio How to adjust the maximum request size of the client in this scenario ？

Solution

You can configure the EnvoyFilter:

apiVersion: networking.istio.io/v1alpha3
kind: EnvoyFilter
metadata:
  name: limit-request-size
  namespace: istio-system
spec:
  workloadSelector:
    labels:
      istio: ingressgateway
  configPatches:
  - applyTo: HTTP_FILTER
    match:
      context: GATEWAY
      listener:
        filterChain:
          filter:
            name: envoy.http_connection_manager
    patch:
      operation: INSERT_BEFORE

Verified version : istio 1.8

• change workloadSelector To select the gateway.