Kubernetes 和 Nginx 入口控制器的 413 错误 [英] 413 error with Kubernetes and Nginx ingress controller

问题描述

我正在尝试更改 client_max_body_size 值，因此我的 nginx 入口不会返回 413 错误.

I'm trying to change the client_max_body_size value, so my nginx ingress will not return 413 error.

我测试了几个解决方案.
这是我的测试配置图:

I've tested few solutions.
Here is my test config map:

kind: ConfigMap
apiVersion: v1
data:
  proxy-connect-timeout: "15"
  proxy-read-timeout: "600"
  proxy-send-timeout: "600"
  proxy-body-size: "8m"
  hsts-include-subdomains: "false"
  body-size: "64m"
  server-name-hash-bucket-size: "256"
  client-max-body-size: "50m"
metadata:
  name: nginx-configuration
  namespace: ingress-nginx
  labels:
    app: ingress-nginx

这些改动一点作用都没有，加载之后，在nginx控制器日志中可以看到重新加载config map的信息，但是nginx.conf中的值是一样的:

These changes has no effect at all, after loading it, in the nginx controller log I can see the information about reloading config map, but the values in nginx.conf are the same:

root@nginx-ingress-controller-95db685f5-b5s6s:/# cat /etc/nginx/nginx.conf | grep client_max                                                                                                       
                        client_max_body_size                    "8m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";
                        client_max_body_size                    "1m";

我的 nginx-controller 配置使用这个镜像:quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.13.0

My nginx-controller config uses this image: quay.io/kubernetes-ingress-controller/nginx-ingress-controller:0.13.0

如何强制 nginx 更改值?我需要对所有入口进行全局更改.

How can I force the nginx to change the value? I need to change it globally, for all my ingresses.

推荐答案

您可以使用 annotation nginx.ingress.kubernetes.io/proxy-body-size 设置max-body-size 选项就在您的 Ingress 对象中，而不是更改基础 ConfigMap.

You can use the annotation nginx.ingress.kubernetes.io/proxy-body-size to set the max-body-size option right in your Ingress object instead of changing a base ConfigMap.

以下是使用示例:

apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: my-app
  annotations:
    nginx.ingress.kubernetes.io/proxy-body-size: "50m"
...

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