环境说明

裸机集群

  适用于部署在裸机服务器上的 Kubernetes 集群，以及使用通用 Linux 发行版（如 CentOS、Ubuntu...）手动安装 Kubernetes 的“原始”VM。通常会使用 30000-32767 范围内的端口。

Ingress-NGINX Controller

部署清单说明

  该部署清单把所有资源都部署在ingress-nginx名称空间下，包括由Deployment控制器编排的ingress-nginx-controller Pod及用于配置应用的configmap/ingress-nginx-controller等。为了便于用户使用，该清单还创建了一个NodePort类型的service/ingress-nginxcontroller资源，该Service资源通过TCP端口80和443分别服务于HTTP与HTTPS客户端。

下载 ingress-nginx-deploy.yaml

# wget  https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v1.8.0/deploy/static/provider/baremetal/deploy.yaml -O ingress-nginx-deploy.yaml

修改端口

# vim ingress-nginx-deploy.yaml

---
apiVersion: v1
kind: Service
metadata:
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
    app.kubernetes.io/version: 1.8.0
  name: ingress-nginx-controller
  namespace: ingress-nginx
spec:
  ipFamilies:
  - IPv4
  ipFamilyPolicy: SingleStack
  ports:
  - appProtocol: http
    name: http
    port: 80
    protocol: TCP
    targetPort: http
    nodePort: 40080
  - appProtocol: https
    name: https
    port: 443
    protocol: TCP
    targetPort: https
    nodePort: 40443
  selector:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
  type: NodePort
---

部署Ingress-nginx controller

# kubectl apply -f ingress-nginx-deploy.yaml

查看Ingress-nginx controller pod

# kubectl get pod -n ingress-nginx

NAME                                        READY   STATUS      RESTARTS   AGE
ingress-nginx-admission-create-66rvr        0/1     Completed   0          2m1s
ingress-nginx-admission-patch-vbhq5         0/1     Completed   3          2m
ingress-nginx-controller-57996bb47f-9j7rk   1/1     Running     0          2m1s

查看Ingress-nginx controller svc

# kubectl get svc -n ingress-nginx

NAME                                 TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)                      AGE
ingress-nginx-controller             NodePort    10.100.49.51    <none>        80:40080/TCP,443:40443/TCP   2m57s
ingress-nginx-controller-admission   ClusterIP   10.100.205.58   <none>        443/TCP                      2m57s

访问测试

# curl 192.168.174.100:40080 -I

HTTP/1.1 404 Not Found
Date: Thu, 08 Jun 2023 06:38:10 GMT
Content-Type: text/html
Content-Length: 146
Connection: keep-alive

配置Ingress Nginx

  除使用Ingress资源自定义流量路由相关的配置外，Ingress Nginx应用程序还存在许多其他配置需要，例如日志格式、CORS、URL重写、代理缓冲和SSL透传等。这类的配置通常有ConfigMap、Annotations和自定义模板3种实现方式。
  Ingress Nginx的ConfigMap和Annotations配置接口都支持使用大量的参数来定制所需要的功能，不同的是，前者通过在Ingress Nginx引用ConfigMap资源规范中data字段特定的键及可用取值进行定义，且多用于Nginx全局特性的定制，因而是集群级别的配置；而后者则于Ingress资源上使用资源注解配置，多用于虚拟主机级别，因而通常是服务级别的配置。

Annotations

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-single-host
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
    nginx.ingress.kubernetes.io/rewrite-target: /$2  # url重写
    nginx.ingress.kubernetes.io/ssl-passthrough: "true"     #SSL透传
    nginx.ingress.kubernetes.io/backend-protocol: "HTTPS" # 后端使用TLS协议
    nginx.ingress.kubernetes.io/ssl-redirect: "false" #禁止重定向HTTP到HTTPS
    nginx.ingress.kubernetes.io/auth-type: basic
    nginx.ingress.kubernetes.io/auth-secret: basic-auth
    nginx.ingress.kubernetes.io/auth-realm: "Authentication Required"

....

ConfigMap

ingress-nginx-deploy.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  labels:
    app.kubernetes.io/component: controller
    app.kubernetes.io/instance: ingress-nginx
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
    app.kubernetes.io/version: 1.8.0
  name: ingress-nginx-controller
  namespace: ingress-nginx
data:
  allow-snippet-annotations: "true"
  use-gzip: "true" # 启用页面资源压缩功能，默认为启用
  gzip-level: "6" # 设置页面资源的压缩级别，默认为5
  worker-processes: "8" # 设置Nginx的工作进程数

web服务

depoly-demoapp-v10.yaml

apiVersion: v1
kind: Namespace
metadata:
    name: ingress-demoapp
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: demoappv10
  name: demoappv10
  namespace: ingress-demoapp
spec:
  replicas: 1
  selector:
    matchLabels:
      app: demoappv10-selector
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: demoappv10-selector
    spec:
      containers:
      - image: ikubernetes/demoapp:v1.0
        name: demoapp
        env:
        - name: PORT
          value: "8080"
        resources: {}

---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: demoappv10-service
  name: demoappv10
  namespace: ingress-demoapp
spec:
  ports:
  - name: http-8080
    port: 8080
    protocol: TCP
    targetPort: 8080
  selector:
    app: demoappv10-selector
  type: ClusterIP

depoly-demoapp-v11.yaml

apiVersion: v1
kind: Namespace
metadata:
    name: ingress-demoapp
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: demoappv11
  name: demoappv11
  namespace: ingress-demoapp
spec:
  replicas: 1
  selector:
    matchLabels:
      app: demoappv11-selector
  strategy: {}
  template:
    metadata:
      creationTimestamp: null
      labels:
        app: demoappv11-selector
    spec:
      containers:
      - image: ikubernetes/demoapp:v1.1
        name: demoapp
        env:
        - name: PORT
          value: "8080"
        resources: {}

---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: demoappv11-service
  name: demoappv11
  namespace: ingress-demoapp
spec:
  ports:
  - name: http-8080
    port: 8080
    protocol: TCP
    targetPort: 8080
  selector:
    app: demoappv11-selector
  type: ClusterIP

创建web资源

# kubectl apply -f depoly-demoapp-v10.yaml -f depoly-demoapp-v11.yaml

namespace/ingress-demoapp created
deployment.apps/demoappv10 created
service/demoappv10 created
namespace/ingress-demoapp unchanged
deployment.apps/demoappv11 created
service/demoappv11 created

查看 web svc

# kubectl get svc -n ingress-demoapp

NAME         TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)    AGE
demoappv10   ClusterIP   10.100.36.18    <none>        8080/TCP   54s
demoappv11   ClusterIP   10.100.85.106   <none>        8080/TCP   54s

访问web服务

demoappv10

# curl `kubectl get svc/demoappv10 -n ingress-demoapp -o jsonpath="{.spec.clusterIP}"`:8080

iKubernetes demoapp v1.0 !! ClientIP: 172.20.151.128, ServerName: demoappv10-69f6cf9477-v9m6g, ServerIP: 172.20.154.216!

demoappv11

# curl `kubectl get svc/demoappv11 -n ingress-demoapp -o jsonpath="{.spec.clusterIP}"`:8080

iKubernetes demoapp v1.1 !! ClientIP: 172.20.151.128, ServerName: demoappv11-9bf785ff8-thp9m, ServerIP: 172.20.89.175!

单域名主机服务

ingress_single-host.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-demoapp
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
spec:
  ingressClassName: nginx
  rules: #路由规则
  - host: www.demoapp10.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv10  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号

创建ingress 规则资源

# kubectl apply -f ingress_single-host.yaml

ingress.networking.k8s.io/nginx-web created

查看ingress 规则信息

# kubectl describe ing nginx-web -n ingress-demoapp

Name:             nginx-web
Labels:           <none>
Namespace:        ingress-demoapp
Address:          192.168.174.106
Ingress Class:    nginx
Default backend:  <default>
Rules:
  Host         Path  Backends
  ----         ----  --------
  www.demoapp10.com  
               /   demoappv10:8080 (172.20.89.165:8080)
Annotations:   nginx.ingress.kubernetes.io/app-root: /index.html
               nginx.ingress.kubernetes.io/proxy-body-size: 50m
               nginx.ingress.kubernetes.io/proxy-connect-timeout: 600
               nginx.ingress.kubernetes.io/proxy-read-timeout: 600
               nginx.ingress.kubernetes.io/proxy-send-timeout: 600
               nginx.ingress.kubernetes.io/use-regex: true
Events:
  Type    Reason  Age                From                      Message
  ----    ------  ----               ----                      -------
  Normal  Sync    15s (x2 over 72s)  nginx-ingress-controller  Scheduled for sync

访问资源

# curl -H "host: www.demoapp10.com" 192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==80)].nodePort}"`

iKubernetes demoapp v1.0 !! ClientIP: 172.20.154.254, ServerName: demoappv10-69f6cf9477-vsz88, ServerIP: 172.20.89.165!

多域名主机服务

ingress_multi-host.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-demoapp
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
spec:
  ingressClassName: nginx
  rules: #路由规则
  - host: www.demoapp10.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv10  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号
  - host: www.demoapp11.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv11  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号

创建ingress 规则资源

# kubectl apply -f ingress_multi-host.yaml

ingress.networking.k8s.io/nginx-web created

查看ingress 规则信息

# kubectl describe ing nginx-web -n ingress-demoapp

Name:             nginx-web
Labels:           <none>
Namespace:        ingress-demoapp
Address:          192.168.174.106
Ingress Class:    nginx
Default backend:  <default>
Rules:
  Host               Path  Backends
  ----               ----  --------
  www.demoapp10.com  
                     /   demoappv10:8080 (172.20.89.155:8080)
  www.demoapp11.com  
                     /   demoappv11:8080 (172.20.154.204:8080)
Annotations:         nginx.ingress.kubernetes.io/proxy-body-size: 50m
                     nginx.ingress.kubernetes.io/proxy-connect-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-read-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-send-timeout: 600
                     nginx.ingress.kubernetes.io/use-regex: true
Events:
  Type    Reason  Age                   From                      Message
  ----    ------  ----                  ----                      -------
  Normal  Sync    2m3s (x2 over 2m12s)  nginx-ingress-controller  Scheduled for sync

访问资源

demoappv10

# curl -H "host: www.demoapp10.com" 192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==80)].nodePort}"`

iKubernetes demoapp v1.0 !! ClientIP: 172.20.154.243, ServerName: demoappv10-cdf9995cb-n9vbd, ServerIP: 172.20.89.155!

demoappv11

# curl -H "host: www.demoapp11.com" 192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==80)].nodePort}"`

iKubernetes demoapp v1.1 !! ClientIP: 172.20.154.243, ServerName: demoappv11-85d9ddccf8-qwjkq, ServerIP: 172.20.154.204!

多URL

Ingress-url.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-demoapp
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
spec:
  ingressClassName: nginx
  rules: #路由规则
  - host: www.demoapp.com ##客户端访问的host域名
    http:
      paths:
      - path: /v10
        pathType: Prefix
        backend:
          service:
            name: demoappv10  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号
      - path: /v11
        pathType: Prefix
        backend:
          service:
            name: demoappv11  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号
  

TLS

生成证书

ca

# openssl req -x509 -sha256 -newkey rsa:4096 -keyout ca.key -out ca.crt -days 3560 -nodes -subj '/CN=www.demoapp10.com'

www.demoapp10.com

# openssl req -new -newkey rsa:4096 -keyout demoapp10.key -out demoapp10.csr -nodes -subj '/CN=www.demoapp10.com'
# openssl x509 -req -sha256 -days 3650 -in demoapp10.csr -CA ca.crt -CAkey ca.key -set_serial 01 -out demoapp10.crt

www.demoapp11.com

# openssl req -new -newkey rsa:4096 -keyout demoapp11.key -out demoapp11.csr -nodes -subj '/CN=www.demoapp11.com'
# openssl x509 -req -sha256 -days 3650 -in demoapp11.csr -CA ca.crt -CAkey ca.key -set_serial 01  -out demoapp11.crt

查看证书

# ls

ca.crt  ca.key  demoapp10.crt  demoapp10.csr  demoapp10.key  demoapp11.crt  demoapp11.csr  demoapp11.key

secret

 创建secret

# kubectl create secret tls tls-demoapp10 --cert=demoapp10.crt --key=demoapp10.key -n ingress-demoapp
# kubectl create secret tls tls-demoapp11 --cert=demoapp11.crt --key=demoapp11.key -n ingress-demoapp

查看secret

# kubectl get secret -n ingress-demoapp

NAME            TYPE                DATA   AGE
tls-demoapp10   kubernetes.io/tls   2      83s
tls-demoapp11   kubernetes.io/tls   2      73s

ingress_tls-multi-host.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-demoapp
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
    nginx.ingress.kubernetes.io/ssl-redirect: "false" #禁止重定向HTTP到HTTPS
spec:
  ingressClassName: nginx
  tls:
  - hosts:
      - www.demoapp10.com
    secretName: tls-demoapp10
  - hosts:
      - www.demoapp11.com
    secretName: tls-demoapp11
  rules: #路由规则
  - host: www.demoapp10.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv10  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号
  - host: www.demoapp11.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv11  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号

查看ingress 规则信息

# kubectl describe ing nginx-web -n ingress-demoapp

Name:             nginx-web
Labels:           <none>
Namespace:        ingress-demoapp
Address:          192.168.174.106
Ingress Class:    nginx
Default backend:  <default>
TLS:
  tls-demoapp10 terminates www.demoapp10.com
  tls-demoapp11 terminates www.demoapp11.com
Rules:
  Host               Path  Backends
  ----               ----  --------
  www.demoapp10.com  
                     /   demoappv10:8080 (172.20.89.155:8080)
  www.demoapp11.com  
                     /   demoappv11:8080 (172.20.154.204:8080)
Annotations:         nginx.ingress.kubernetes.io/proxy-body-size: 50m
                     nginx.ingress.kubernetes.io/proxy-connect-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-read-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-send-timeout: 600
                     nginx.ingress.kubernetes.io/ssl-redirect: false
                     nginx.ingress.kubernetes.io/use-regex: true
Events:
  Type    Reason  Age                  From                      Message
  ----    ------  ----                 ----                      -------
  Normal  Sync    63s (x3 over 5m49s)  nginx-ingress-controller  Scheduled for sync

访问web服务

demoapp10

# curl -H "host: www.demoapp10.com" 192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==80)].nodePort}"`
iKubernetes demoapp v1.0 !! ClientIP: 172.20.154.243, ServerName: demoappv10-cdf9995cb-n9vbd, ServerIP: 172.20.89.155!

# curl -k -H "host: www.demoapp10.com" https://192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==443)].nodePort}"`
iKubernetes demoapp v1.0 !! ClientIP: 172.20.154.243, ServerName: demoappv10-cdf9995cb-n9vbd, ServerIP: 172.20.89.155!

demoapp11

# curl -H "host: www.demoapp11.com" 192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==80)].nodePort}"`
iKubernetes demoapp v1.1 !! ClientIP: 172.20.154.243, ServerName: demoappv11-85d9ddccf8-qwjkq, ServerIP: 172.20.154.204!

# curl -k -H "host: www.demoapp11.com" https://192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==443)].nodePort}"`
iKubernetes demoapp v1.1 !! ClientIP: 172.20.154.243, ServerName: demoappv11-85d9ddccf8-qwjkq, ServerIP: 172.20.154.204!

auth

htpasswd生成的文件名称必须为auth，否则会返回503.

创建用户名密码

# htpasswd -c -b -m ./auth ingress-auth foo
Adding password for user ingress-auth

创建secret

# kubectl create secret generic basic-auth --from-file=auth -n ingress-demoapp
secret/basic-auth created

ingress_auth-host.yaml

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: nginx-web
  namespace: ingress-demoapp
  annotations:
    nginx.ingress.kubernetes.io/use-regex: "true" ##指定后面rules定义的path可以使用正则表达式
    nginx.ingress.kubernetes.io/proxy-connect-timeout: "600" ##连接超时时间,默认为5s
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600" ##后端服务器回转数据超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600" ##后端服务器响应超时时间,默认为60s
    nginx.ingress.kubernetes.io/proxy-body-size: "50m" ##客户端上传文件，最大大小，默认为20m
    nginx.ingress.kubernetes.io/ssl-redirect: "false" #禁止重定向HTTP到HTTPS
    nginx.ingress.kubernetes.io/auth-type: basic
    nginx.ingress.kubernetes.io/auth-secret: basic-auth
    nginx.ingress.kubernetes.io/auth-realm: "Authentication Required"
spec:
  ingressClassName: nginx
  tls:
  - hosts:
      - www.demoapp10.com
    secretName: tls-demoapp10
  rules: #路由规则
  - host: www.demoapp10.com ##客户端访问的host域名
    http:
      paths:
      - path: /
        pathType: Prefix
        backend:
          service:
            name: demoappv10  #转发至哪个service
            port: 
              number: 8080 ##转发至service的端口号

查看ingress 规则信息

# kubectl describe ing nginx-web -n ingress-demoapp

Name:             nginx-web
Labels:           <none>
Namespace:        ingress-demoapp
Address:          192.168.174.106
Ingress Class:    nginx
Default backend:  <default>
TLS:
  tls-demoapp10 terminates www.demoapp10.com
Rules:
  Host               Path  Backends
  ----               ----  --------
  www.demoapp10.com  
                     /   demoappv10:8080 (172.20.89.155:8080)
Annotations:         nginx.ingress.kubernetes.io/auth-realm: Authentication Required
                     nginx.ingress.kubernetes.io/auth-secret: basic-auth
                     nginx.ingress.kubernetes.io/auth-type: basic
                     nginx.ingress.kubernetes.io/proxy-body-size: 50m
                     nginx.ingress.kubernetes.io/proxy-connect-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-read-timeout: 600
                     nginx.ingress.kubernetes.io/proxy-send-timeout: 600
                     nginx.ingress.kubernetes.io/ssl-redirect: false
                     nginx.ingress.kubernetes.io/use-regex: true
Events:
  Type    Reason  Age                 From                      Message
  ----    ------  ----                ----                      -------
  Normal  Sync    22s (x3 over 7m3s)  nginx-ingress-controller  Scheduled for sync

访问web服务

没有验证访问

# curl -k -H "host: www.demoapp10.com" https://192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==443)].nodePort}"` 

<html>
<head><title>401 Authorization Required</title></head>
<body>
<center><h1>401 Authorization Required</h1></center>
<hr><center>nginx</center>
</body>
</html>

有验证访问

# curl -k -H "host: www.demoapp10.com" https://192.168.174.108:`kubectl get svc/ingress-nginx-controller -n ingress-nginx -o jsonpath="{.spec.ports[?(@.port==443)].nodePort}"` -u "ingress-auth:foo"

iKubernetes demoapp v1.0 !! ClientIP: 172.20.154.243, ServerName: demoappv10-cdf9995cb-n9vbd, ServerIP: 172.20.89.155!

参考文档

https://kubernetes.github.io/ingress-nginx/

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