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Ingress-nginx 配置 websocket 支持

· 阅读需 1 分钟

Ingress-nginx 配置 websocket 支持​

apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: api
  annotations:
    # 配置ingress 使用 nginx
    kubernetes.io/ingress.class: nginx
    # 配置websocket 需要的配置
    nginx.ingress.kubernetes.io/configuration-snippet: |
      proxy_set_header Upgrade "websocket";
      proxy_set_header Connection "Upgrade";
spec:
  rules:
  - host: api.xxx.com
    http:
      # webSocket config
      - path: /middle/(.*)/ws
        pathType: Prefix
        backend:
          service:
            name: prod-xxxxxx
            port:
              number: 80
kubectl apply -f ingress-name.yaml

Nginx 配置正则匹配及 socket 支持

· 阅读需 2 分钟

Nginx 配置正则匹配及 socket 支持​


upstream console.api{
  server api:80;
}

upstream admin.api{
  server admin-api:80;
}

upstream middle.api{
  server dns-middleware-ws:80;
}

server {
  listen      443 ssl;
  server_name dev.api.xxx.com;

  error_log  /var/log/nginx/dev.api.xxx.com-error.log debug;
  access_log /var/log/nginx/dev.api.xxx.com-access.log;

  ssl_certificate      /data/identify/dev.api.xxx.com.pem;
  ssl_certificate_key  /data/identify/dev.api.xxx.com.key;

  # 默认版本号、子系统、请求路径
  set $version v1;  # 版本号 v开头，后面跟1~3个纯数字
  set $subsystem console;  # 子系统名，字母+中划线和点号组成，
  set $subsystem_request_uri $request_uri;

  # /子系统/path...
  if ($request_uri ~* "^/([a-z]\w+[a-z0-9]+)/(.*)"){
    set $subsystem $1;
    set $subsystem_request_uri $2;
  }

  # /子系统/版本号/path...
  if ($request_uri ~* "^/([a-z]\w+[a-z0-9]+)/(v[0-9]{1,3})/(.*)"){
    set $subsystem $1;
    set $version $2;
    set $subsystem_request_uri $3;
  }

  # 如果所以的子系统都不匹配，设置成默认的子系统
  if ($subsystem !~* "^(console|admin|middle)$"){
    set $subsystem console;
  }

	# 配置 socket
  location ~* "/middle/(v[0-9]{1,3}/)?ws"  { # 中间件的 webSocket 配置
    proxy_pass http://$subsystem.api/$subsystem_request_uri;
    proxy_http_version 1.1; #WebSocket
    proxy_set_header Upgrade $http_upgrade; #WebSocket
    proxy_set_header Connection $connection_upgrade; #WebSocket       
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Version $version;
    proxy_set_header Host $host:$server_port;
  }

  # 统一代理到 http://$subsystem/path，去掉子系统名和
  location  / { # 目前已经实现的子系统
    proxy_pass http://$subsystem.api/$subsystem_request_uri;
    proxy_set_header X-Real-IP $remote_addr;
    proxy_set_header X-Forwarded-For $remote_addr;
    proxy_set_header X-Forwarded-Proto $scheme;
    proxy_set_header X-Version $version;
    proxy_set_header Host $host:$server_port;
  }
}

Yum 安装 Nginx

· 阅读需 1 分钟

配置nginx官方yum源​

[root@nginx ~]# vim /etc/yum.repos.d/nginx.repo

[nginx-stable]
name=nginx stable repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=0
enabled=1

安装nginx

[root@nginx ~]# yum -y install nginx

查看版本

[root@nginx ~]# nginx -V