nginx配置

nginx.conf

#user  webmaster webmaster;
worker_processes  8;

worker_rlimit_nofile 51200;

error_log  logs/nginx_error.log crit;
#pid        logs/nginx.pid;


events {
    use epoll;
    worker_connections  100000;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    server_names_hash_bucket_size 128;

    log_format  access  '$remote_addr - $remote_user [$time_local] "$request" '
                '$status $body_bytes_sent post:$request_body "$http_referer" '
                '"$http_user_agent" $request_time';

    #sendfile        on;
    tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  20;
    tcp_nodelay on;
    client_header_timeout  3m;
    client_body_timeout    3m;
    send_timeout           3m;
    connection_pool_size        256;
    client_header_buffer_size    1k;
    #large_client_header_buffers    4 2k;
    request_pool_size        4k;
    output_buffers   4 32k;
    postpone_output  1460;
    client_max_body_size       10m;
    client_body_buffer_size    256k;

    gzip  off;
    gzip_min_length  1k;
    gzip_buffers     4 8k;
    gzip_http_version 1.0;
    gzip_types       text/plain application/x-javascript text/css  application/xml;
    #gzip_vary on;
    #避免重复请求，nginx不响应 499
    proxy_ignore_client_abort on;
    access_log on;
    #log_format main  '$status|$time_local|http://$host$request_uri|$remote_addr|$http_x_forwarded_for|$http_referer|$http_user_agent|$request_body';
    log_format main  '$status|$time_local|http://$host$request_uri|$remote_addr|$http_x_forwarded_for|$http_user_agent|$upstream_addr|$upstream_response_time|$request_time';
    include vhost/vhost_*.conf;
    
    
    
}

a.test.com.conf

upstream api.test.com {
        server 127.0.0.1:8084 ;
}
server {
        listen       80;
        server_name a.test.com  b.test.com;
        index index.html index.htm index.jsp;
        root /letv/web/a.test.com;
        proxy_buffer_size 4k;
        proxy_buffers 16 32k;
        proxy_busy_buffers_size 64k;
        proxy_temp_file_write_size 64k;
        proxy_read_timeout 180;

        access_log /letv/logs/nginx/api.pv.log main;
        location ~ \.rar$ {
          deny all;
       }
 

        location / {
            proxy_pass  http://a.test.com;
            proxy_set_header Host $host;
            proxy_set_header X-Real-IP $remote_addr;
            proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        }
       #指定参数跳转
       location  ~ .*/ip.do?$ {
          if ( $args  ~* "type=a"   ) {
            proxy_pass http://10.180.151.70:8084;
          }
    
          proxy_set_header Host $host;  
          proxy_set_header X-Real-IP $remote_addr;  
          proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;  
          proxy_pass http://127.0.0.1:8084; 
          add_header Vary Accept-Encoding;
      }
       

        location /html{
            root      /data/logs ;
        }

        
    }

   切换脚本 nginx-flow-swith.sh

if [ $# -eq 0 ];then
        echo "args not null or illegal";
        echo "please input 149 150 156 157"
else
        server_args=""
        for i in $@;do
                if [ $i -eq 149 ]; then
                        server_args="$server_args server 10.100.54.149:8084;"
                elif [ $i -eq 150 ]; then
                        server_args="$server_args server 10.100.54.150:8084;"
                elif [ $i -eq 156 ]; then
                        server_args="$server_args server 10.180.153.156:8084;"
                elif [ $i -eq 157 ]; then
                        server_args="$server_args server 10.180.153.157:8084;"
                else
                        echo "server ip illegal";
                        exit 0;
                fi
        done

        if [ "$server_args" = "" ]; then
                echo "server ip illegal";
        else
                echo $server_args
                sed "1a $server_args" /data/web/nginx_boss/conf/vhost_api.boss.letv.conf.template > /data/web/nginx_boss/conf/vhost/vhost_api.boss.letv.com.conf
                /data/web/nginx_boss/sbin/nginx -t -c /data/web/nginx_boss/conf/nginx.conf
                /data/web/nginx_boss/sbin/nginx -s reload -c /data/web/nginx_boss/conf/nginx.conf
                echo "nginx switch ok"
        fi
fi

执行 sh nginx-flow-swith.sh 149 156

1a 表示在第一行后面追加