kong:gke-ingress:从上游服务器收到无效响应



我在GKE上有一个kong入口,如下所示,它有一个默认路径"转发到用nextjs编写的具有keycapture集成功能的web应用程序。

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: myprojqlfingress
namespace: qlf
annotations:
kubernetes.io/tls-acme: "true"
cert-manager.io/cluster-issuer: letsencrypt-qlf
kubernetes.io/ingress.class: kong
konghq.com/request-buffering: "true"
konghq.com/response-buffering: "true"
spec:
tls:
- secretName: myproject-qlf
hosts:
- myproject-qlf.mydomain.net
rules:
- host: myproject-qlf.mydomain.net
http:
paths:
- path: /rfm
pathType: ImplementationSpecific
backend:
service:
name: rfmapi
port:
number: 8091
- path: /mb
pathType: ImplementationSpecific
backend:
service:
name: mbapi
port:
number: 8094
- path: /custseg
pathType: ImplementationSpecific
backend:
service:
name: custapi
port:
number: 8093
- path: /energy
pathType: ImplementationSpecific
backend:
service:
name: energyapi
port:
number: 8097
- path: /airline
pathType: ImplementationSpecific
backend:
service:
name: airlineapi
port:
number: 8096
- path: /hotel
pathType: ImplementationSpecific
backend:
service:
name: hotelapi
port:
number: 8095
- path: /
pathType: ImplementationSpecific
backend:
service:
name: datainsightfrontwebapp
port:
number: 3000

出于保密原因,我在这里更改了域名。

因此,在身份验证后,它抛出错误:

从上游服务器收到无效响应

开发环境中也存在同样的问题,我使用注释修复了这个问题:konghq.com/request-bffering:"真";但在这种情况下,它不起作用。

证书和所有配置都运行良好。

知道吗?

我使用以下清单文件修复了这个问题:

apiVersion: apps/v1
kind: Deployment
metadata:
labels:
app: ingress-kong
name: ingress-kong
namespace: kong
spec:
replicas: 1
selector:
matchLabels:
app: ingress-kong
template:
metadata:
annotations:
kuma.io/gateway: enabled
traffic.sidecar.istio.io/includeInboundPorts: ""
labels:
app: ingress-kong
spec:
containers:
- env:
- name: KONG_PROXY_LISTEN
value: 0.0.0.0:8000, 0.0.0.0:8443 ssl http2
- name: KONG_PORT_MAPS
value: 80:8000, 443:8443
- name: KONG_ADMIN_LISTEN
value: 127.0.0.1:8444 ssl
- name: KONG_STATUS_LISTEN
value: 0.0.0.0:8100
- name: KONG_DATABASE
value: "off"
- name: KONG_NGINX_WORKER_PROCESSES
value: "2"
- name: KONG_KIC
value: "on"
- name: KONG_ADMIN_ACCESS_LOG
value: /dev/stdout
- name: KONG_ADMIN_ERROR_LOG
value: /dev/stderr
- name: KONG_PROXY_ERROR_LOG
value: /dev/stderr
- name: KONG_CLIENT_BODY_BUFFER_SIZE
value: 124m
- name: KONG_CLIENT_MAX_BODY_SIZE
value: "0"
- name: KONG_NGINX_PROXY_PROXY_BUFFER_SIZE
value: 160k
- name: KONG_NGINX_PROXY_PROXY_BUFFERS
value: 64 160k
image: kong:2.7
lifecycle:
preStop:
exec:
command:
- /bin/sh
- -c
- kong quit
livenessProbe:
failureThreshold: 3
httpGet:
path: /status
port: 8100
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
name: proxy
ports:
- containerPort: 8000
name: proxy
protocol: TCP
- containerPort: 8443
name: proxy-ssl
protocol: TCP
- containerPort: 8100
name: metrics
protocol: TCP
readinessProbe:
failureThreshold: 3
httpGet:
path: /status
port: 8100
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
- env:
- name: CONTROLLER_KONG_ADMIN_URL
value: https://127.0.0.1:8444
- name: CONTROLLER_KONG_ADMIN_TLS_SKIP_VERIFY
value: "true"
- name: CONTROLLER_PUBLISH_SERVICE
value: kong/kong-proxy
- name: POD_NAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.name
- name: POD_NAMESPACE
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
image: kong/kubernetes-ingress-controller:2.2.1
imagePullPolicy: IfNotPresent
livenessProbe:
failureThreshold: 3
httpGet:
path: /healthz
port: 10254
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
name: ingress-controller
ports:
- containerPort: 8080
name: webhook
protocol: TCP
- containerPort: 10255
name: cmetrics
protocol: TCP
readinessProbe:
failureThreshold: 3
httpGet:
path: /readyz
port: 10254
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 10
successThreshold: 1
timeoutSeconds: 1
serviceAccountName: kong-serviceaccount

这意味着以下参数是关键:

- name: KONG_CLIENT_BODY_BUFFER_SIZE
value: 124m
- name: KONG_CLIENT_MAX_BODY_SIZE
value: "0"
- name: KONG_NGINX_PROXY_PROXY_BUFFER_SIZE
value: 160k
- name: KONG_NGINX_PROXY_PROXY_BUFFERS
value: 64 160k

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