{"id":618,"date":"2024-08-20T14:00:24","date_gmt":"2024-08-20T06:00:24","guid":{"rendered":"https:\/\/thereisno.top:4430\/?p=618"},"modified":"2024-08-20T14:00:25","modified_gmt":"2024-08-20T06:00:25","slug":"nginx-streamtcp-udp%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1","status":"publish","type":"post","link":"https:\/\/thereisno.top\/?p=618","title":{"rendered":"Nginx\u00a0Stream(TCP\/UDP)\u8d1f\u8f7d\u5747\u8861"},"content":{"rendered":"\n

Nginx \u7684 TCP\/UDP \u8d1f\u8f7d\u5747\u8861\u662f\u5e94\u7528 Stream \u4ee3\u7406\u6a21\u5757\uff08ngx_stream_proxy_module\uff09\u548c Stream \u4e0a\u6e38\u6a21\u5757\uff08ngx_stream_upstream_module\uff09\u5b9e\u73b0\u7684\u3002Nginx \u7684 TCP \u8d1f\u8f7d\u5747\u8861\u4e0e LVS \u90fd\u662f\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u7684\u5e94\u7528\uff0c\u6240\u4e0d\u540c\u7684\u662f\uff0cLVS \u662f\u88ab\u7f6e\u4e8e Linux \u5185\u6838\u4e2d\u7684\uff0c\u800c Nginx \u662f\u8fd0\u884c\u4e8e\u7528\u6237\u5c42\u7684\uff0c\u57fa\u4e8e Nginx \u7684 TCP \u8d1f\u8f7d\u53ef\u4ee5\u5b9e\u73b0\u66f4\u7075\u6d3b\u7684\u7528\u6237\u8bbf\u95ee\u7ba1\u7406\u548c\u63a7\u5236\u3002<\/p>\n\n\n\n

1<\/strong>\u3001<\/strong>TCP\/UDP <\/strong>\u8d1f\u8f7d\u5747\u8861<\/strong><\/p>\n\n\n\n

Nginx \u7684 Stream \u4e0a\u6e38\u6a21\u5757\u652f\u6301\u4e0e Nginx HTTP \u4e0a\u6e38\u6a21\u5757\u4e00\u81f4\u7684\u8f6e\u8be2\uff08Round Robin\uff09\u3001\u54c8\u5e0c\uff08Hash\uff09\u53ca\u6700\u5c11\u8fde\u63a5\u6570\uff08least_conn\uff09\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u3002Nginx \u9ed8\u8ba4\u4f7f\u7528\u8f6e\u8be2\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u914d\u7f6e\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

stream {
    upstream backend {
        server 192.168.2.145:389 weight=5;
        server 192.168.2.159:389 weight=1;
        server 192.168.2.109:389 weight=1;
    }<\/p>\n\n\n\n

server {
        listen 389;
        proxy_pass backend;
    }
}<\/p>\n\n\n\n

\u54c8\u5e0c\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef IP\uff08$remote_addr\uff09\u5b9e\u73b0\u7b80\u5355\u7684\u4f1a\u8bdd\u4fdd\u6301\uff0c\u5176\u53ef\u5c06\u540c\u4e00 IP \u5ba2\u6237\u7aef\u59cb\u7ec8\u8f6c\u53d1\u7ed9\u540c\u4e00\u53f0\u540e\u7aef\u670d\u52a1\u5668\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

stream {
    upstream backend {
        hash $remote_addr;
        server 192.168.2.145:389 weight=5;
        server 192.168.2.159:389 weight=1;
        server 192.168.2.109:389 weight=1;
    }<\/p>\n\n\n\n

server {
        listen 389;
        proxy_pass backend;
    }
}<\/p>\n\n\n\n

\u54c8\u5e0c\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u901a\u8fc7\u6307\u4ee4\u53c2\u6570 consistent \u8bbe\u5b9a\u662f\u5426\u5f00\u542f\u4e00\u81f4\u6027\u54c8\u5e0c\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u3002Nginx \u7684\u4e00\u81f4\u6027\u54c8\u5e0c\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u662f\u91c7\u7528 Ketama \u4e00\u81f4\u6027\u54c8\u5e0c\u7b97\u6cd5\uff0c\u5f53\u540e\u7aef\u670d\u52a1\u5668\u7ec4\u4e2d\u7684\u670d\u52a1\u5668\u6570\u91cf\u53d8\u5316\u65f6\uff0c\u53ea\u4f1a\u5f71\u54cd\u5c11\u90e8\u5206\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

stream {
    upstream backend {
        hash $remote_addr consistent;
        server 192.168.2.145:389 weight=5;
        server 192.168.2.159:389 weight=1;
        server 192.168.2.109:389 weight=1;
    }<\/p>\n\n\n\n

server {
        listen 389;
        proxy_pass backend;
    }
}<\/p>\n\n\n\n

\u6700\u5c11\u8fde\u63a5\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\uff0c\u53ef\u4ee5\u5728\u540e\u7aef\u88ab\u4ee3\u7406\u670d\u52a1\u5668\u6027\u80fd\u4e0d\u5747\u65f6\uff0c\u5728\u8003\u8651\u4e0a\u6e38\u670d\u52a1\u5668\u7ec4\u4e2d\u5404\u670d\u52a1\u5668\u6743\u91cd\u7684\u524d\u63d0\u4e0b\uff0c\u5c06\u5ba2\u6237\u7aef\u8fde\u63a5\u5206\u914d\u7ed9\u6d3b\u8dc3\u8fde\u63a5\u6700\u5c11\u7684\u88ab\u4ee3\u7406\u670d\u52a1\u5668\uff0c\u4ece\u800c\u6709\u6548\u63d0\u9ad8\u5904\u7406\u6027\u80fd\u9ad8\u7684\u88ab\u4ee3\u7406\u670d\u52a1\u5668\u7684\u4f7f\u7528\u7387\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

stream {
    upstream backend {
        least_conn;
        server 192.168.2.145:389 weight=5;
        server 192.168.2.159:389 weight=1;
        server 192.168.2.109:389 weight=1;
    }<\/p>\n\n\n\n

server {
        listen 389;
        proxy_pass backend;
    }
}<\/p>\n\n\n\n

2<\/strong>\u3001<\/strong>TCP\/UDP <\/strong>\u8d1f\u8f7d\u5747\u8861\u7684\u5bb9\u9519\u673a\u5236<\/strong><\/p>\n\n\n\n

Nginx \u7684 TCP\/UDP \u8d1f\u8f7d\u5747\u8861\u5728\u8fde\u63a5\u5206\u914d\u65f6\u4e5f\u652f\u6301\u88ab\u52a8\u5065\u5eb7\u68c0\u6d4b\u6a21\u5f0f\uff0c\u5982\u679c\u4e0e\u540e\u7aef\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u5931\u8d25\uff0c\u5e76\u5728 fail_timeout \u53c2\u6570\u7684\u65f6\u95f4\u5185\u8fde\u7eed\u8d85\u8fc7 max_fails \u53c2\u6570\u8bbe\u7f6e\u7684\u6b21\u6570\uff0cNginx \u5c31\u4f1a\u5c06\u8be5\u670d\u52a1\u5668\u7f6e\u4e3a\u4e0d\u53ef\u7528\u72b6\u6001\uff0c\u5e76\u4e14\u5728 fail_timeout \u53c2\u6570\u7684\u65f6\u95f4\u5185\u4e0d\u518d\u7ed9\u8be5\u670d\u52a1\u5668\u5206\u914d\u8fde\u63a5\u3002\u5f53 fail_timeout \u53c2\u6570\u7684\u65f6\u95f4\u7ed3\u675f\u65f6\u5c06\u5c1d\u8bd5\u5206\u914d\u8fde\u63a5\u68c0\u6d4b\u8be5\u670d\u52a1\u5668\u662f\u5426\u6062\u590d\uff0c\u5982\u679c\u53ef\u4ee5\u5efa\u7acb\u8fde\u63a5\uff0c\u5219\u5224\u5b9a\u4e3a\u6062\u590d\u3002<\/p>\n\n\n\n

\u914d\u7f6e\u6837\u4f8b\u5982\u4e0b\uff1a<\/p>\n\n\n\n

stream {
    upstream backend {
        # 10s\u5185\u51fa\u73b03\u6b21\u9519\u8bef\uff0c\u8be5\u670d\u52a1\u5668\u5c06\u88ab\u7194\u65ad10s
        server 192.168.2.154:8080 max_fails=3 fail_timeout=10s;
        server 192.168.2.109:8080 max_fails=3 fail_timeout=10s;
        server 192.168.2.108:8080 max_fails=3 fail_timeout=10s;
        server 192.168.2.107:8080 max_fails=3 fail_timeout=10s;
    }<\/p>\n\n\n\n

server {
        proxy_connect_timeout 5s;           # \u4e0e\u88ab\u4ee3\u7406\u670d\u52a1\u5668\u5efa\u7acb\u8fde\u63a5\u7684\u8d85\u65f6\u65f6\u95f4\u4e3a5s
        proxy_timeout 10s;          # \u83b7\u53d6\u88ab\u4ee3\u7406\u670d\u52a1\u5668\u7684\u54cd\u5e94\u6700\u5927\u8d85\u65f6\u65f6\u95f4\u4e3a10s<\/p>\n\n\n\n

# \u5f53\u88ab\u4ee3\u7406\u7684\u670d\u52a1\u5668\u8fd4\u56de\u9519\u8bef\u6216\u8d85\u65f6\u65f6\uff0c\u5c06\u672a\u8fd4\u56de\u54cd\u5e94\u7684\u5ba2\u6237\u7aef\u8fde\u63a5\u8bf7\u6c42\u4f20\u9012\u7ed9upstream\u4e2d\u7684\u4e0b
        # \u4e00\u4e2a\u670d\u52a1\u5668
        proxy_next_upstream on;
        proxy_next_upstream_tries 3;        # \u8f6c\u53d1\u5c1d\u8bd5\u8bf7\u6c42\u6700\u591a3\u6b21
        proxy_next_upstream_timeout 10s;    # \u603b\u5c1d\u8bd5\u8d85\u65f6\u65f6\u95f4\u4e3a10s
        proxy_socket_keepalive on;  # \u5f00\u542fSO_KEEPALIVE\u9009\u9879\u8fdb\u884c\u5fc3\u8df3\u68c0\u6d4b
        proxy_pass backend;
    }
}<\/p>\n\n\n\n

\u5176\u4e2d\u7684\u53c2\u6570\u53ca\u6307\u4ee4\u8bf4\u660e\u5982\u4e0b\u3002<\/p>\n\n\n\n