{"id":18258,"date":"2025-04-19T00:38:59","date_gmt":"2025-04-18T16:38:59","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/18258.html"},"modified":"2025-04-19T00:38:59","modified_gmt":"2025-04-18T16:38:59","slug":"%e5%b8%a6%e4%bd%a0%e5%85%a8%e9%9d%a2%e4%ba%86%e8%a7%a3haproxy-%ef%bc%88%e8%b6%85%e8%af%a6%e7%bb%86%e7%89%88%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/18258.html","title":{"rendered":"\u5e26\u4f60\u5168\u9762\u4e86\u89e3haproxy \uff08\u8d85\u8be6\u7ec6\u7248\uff09"},"content":{"rendered":"

\u4e00\u3001\u4e3a\u4ec0\u4e48\u7528haproxy<\/h3>\n

\u5728\u8fd9\u6837\u7684\u73af\u5883\u4e2d：\u5982\u56fe\u6240\u793a<\/p>\n

\"\"<\/p>\n

\u5f53\u4e00\u53f0web1\u4e3b\u673a\u6302\u6389 \u5f53\u540e\u7aef\u51fa\u73b0\u95ee\u9898\u7684\u65f6\u5019\u5e94\u8be5\u628a\u6d41\u91cf\u8fbe\u5230\u6b63\u5e38\u5de5\u4f5cweb2\u7684\u670d\u52a1\u5668\u4e0a<\/p>\n

\u6b64\u65f6LVS\u662f\u4e0d\u80fd\u6ee1\u8db3\u8fd9\u4e2a\u529f\u80fd\u7684\u00a0<\/p>\n

\u6240\u4ee5\u6b64\u65f6\u5c31\u9700\u8981\u7528\u5230haproxy<\/p>\n<\/p>\n

\u4e8c\u3001haproxy-\u4e03\u5c42\u8d1f\u8f7d\u548c\u56db\u5c42\u590d\u6742\u53ca\u6b63\u53cd\u5411\u4ee3\u7406\u7684\u542b\u4e49<\/h3>\n<\/p>\n

\u56db\u5c42： 1.\u901a\u8fc7ip+port\u51b3\u5b9a\u8d1f\u8f7d\u5747\u8861\u7684\u53bb\u5411\u3002 2.\u5bf9\u6d41\u91cf\u8bf7\u6c42\u8fdb\u884cNAT\u5904\u7406，\u8f6c\u53d1\u81f3\u540e\u53f0\u670d\u52a1\u5668\u3002 3.\u8bb0\u5f55tcp\u3001udp\u6d41\u91cf\u5206\u522b\u662f\u7531\u54ea\u53f0\u670d\u52a1\u5668\u5904\u7406，\u540e\u7eed\u8be5\u8bf7\u6c42\u8fde\u63a5\u7684\u6d41\u91cf\u90fd\u901a\u8fc7\u8be5\u670d\u52a1\u5668\u5904\u7406\u3002 4.\u652f\u6301\u56db\u5c42\u7684\u8f6f\u4ef6 \u25cfIvs: \u91cd\u91cf\u7ea7\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u5668\u3002 \u25cfNginx:\u8f7b\u91cf\u7ea7\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u5668，\u53ef\u7f13\u5b58\u3002(nginx\u56db\u5c42 \u662f\u901a\u8fc7upstream\u6a21\u5757) . Haproxy: \u6a21\u62df\u56db\u5c42\u8f6c\u53d1\u3002<\/p>\n

\u4e03\u5c42：<\/p>\n

\u4ee3\u7406\u529f\u80fd 1.\u901a\u8fc7\u865a\u62dfur |\u6216\u4e3b\u673aip\u8fdb\u884c\u6d41\u91cf\u8bc6\u522b，\u6839\u636e\u5e94\u7528\u5c42\u4fe1\u606f\u8fdb\u884c\u89e3\u6790，\u51b3\u5b9a\u662f\u5426\u9700\u8981\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u3002 2.\u4ee3\u7406\u540e\u53f0\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u5efa\u7acb\u8fde\u63a5,\u5982nginx\u53ef\u4ee3\u7406\u524d\u540e\u7aef，\u4e0e\u524d\u7aef\u5ba2\u6237\u7aeftcp\u8fde\u63a5,\u4e0e\u540e\u7aef\u670d\u52a1\u5668\u5efa \u7acbtcp\u8fde\u63a5, 3.\u652f\u63017\u5c42\u4ee3\u7406\u7684\u8f6f\u4ef6: \u25cfNginx:\u57fa\u4e8ehttp\u534f\u8bae(nginx\u4e03\u5c42\u662f\u901a\u8fc7proxy_ pass) \u25cf< Haproxy:\u4e03\u5c42\u4ee3\u7406，\u4f1a\u8bdd\u4fdd\u6301\u3001\u6807\u8bb0\u3001\u8def\u5f84\u8f6c\u79fb\u7b49\u3002 \u00a0<\/p>\n

\u56db\u5c42\u548c\u4e03\u5c42\u7684\u533a\u522b \u6240\u8c13\u7684\u56db\u5230\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861，\u5c31\u662f\u5728\u5bf9\u540e\u53f0\u7684\u670d\u52a1\u5668\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u65f6，\u4f9d\u636e\u56db\u5c42\u7684\u4fe1\u606f\u6216\u4e03\u5c42\u7684\u4fe1\u606f\u6765\u51b3\u5b9a\u600e\u4e48\u6837\u8f6c\u53d1\u6d41\u91cf\u56db\u5c42\u7684\u8d1f\u8f7d\u5747\u8861，\u5c31\u662f\u901a\u8fc7\u53d1\u5e03\u4e09\u5c42\u7684IP\u5730\u5740(VIP) ，\u7136\u540e\u52a0\u56db\u5c42\u7684\u7aef\u53e3\u53f7,\u6765\u51b3\u5b9a\u54ea\u4e9b\u6d41\u91cf\u9700\u8981\u505a\u8d1f\u8f7d\u5747\u8861，\u5bf9\u9700\u8981\u5904\u7406\u7684\u6d41\u91cf\u8fdb\u884cNAT\u5904\u7406，\u8f6c\u53d1\u81f3\u540e\u53f0\u670d\u52a1\u5668，\u5e76\u8bb0\u5f55\u4e0b\u8fd9\u4e2aTCP\u6216\u8005UDP\u7684\u6d41\u91cf\u662f\u7531\u54ea\u53f0\u670d\u52a1\u5668\u5904\u7406\u7684，\u540e\u7eed\u8fd9\u4e2a\u8fde\u63a5\u7684\u6240\u6709\u6d41\u91cf\u90fd\u540c\u6837\u8f6c\u53d1\u5230\u540c\u4e00\u53f0\u670d\u52a1\u5668\u5904\u7406\u4e03\u5c42\u7684\u8d1f\u8f7d\u5747\u8861，\u5c31\u662f\u5728\u56db\u5c42\u7684\u57fa\u7840\u3002\u4e0a(\u6ca1\u6709\u56db\u5c42\u662f\u7edd\u5bf9\u4e0d\u53ef\u80fd\u6709\u4e03\u5c42\u7684)，\u518d\u8003\u8651\u5e94\u7528\u5c42\u7684\u7279\u5f81，\u6bd4\u5982\u540c\u4e00-\u4e2aWeb\u670d\u52a1\u5668\u7684\u8d1f\u8f7d\u5747\u8861，\u9664\u4e86\u6839\u636eVIP\u52a080\u7aef\u53e3\u8fa8\u522b\u662f\u5426\u9700\u8981\u5904\u7406\u7684\u6d41\u91cf，\u8fd8\u53ef\u6839\u636e\u4e03\u5c42\u7684URL\u3001\u6d4f\u89c8\u5668\u7c7b\u522b\u3001\u8bed\u8a00\u6765\u51b3\u5b9a\u662f\u5426\u8981\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\u3002 1.\u5206\u5c42\u4f4d\u7f6e:\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u5728\u4f20\u8f93\u5c42\u53ca\u4ee5\u4e0b，\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u5728\u5e94\u7528\u5c42\u53ca\u4ee5\u4e0b 2.\u6027\u80fd:\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u67b6\u6784\u65e0\u9700\u89e3\u6790\u62a5\u6587\u6d88\u606f\u5185\u5bb9，\u5728\u7f51\u7edc\u541e\u5410\u91cf\u4e0e\u5904\u7406\u80fd\u529b\u4e0a\u8f83\u9ad8:\u4e03\u5c42\u53ef\u652f\u6301\u89e3\u6790\u5e94\u7528\u5c42\u62a5\u6587\u6d88\u606f\u5185\u5bb9，\u8bc6\u522bURL\u3001Cookie\u3001 HTTP header\u7b49\u4fe1\u606f\u3002 3.\u539f\u7406:\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u662f\u57fa\u4e8eip+port;\u4e03\u5c42\u662f\u57fa\u4e8e\u865a\u62df\u7684URL\u6216\u4e3b\u673aIP\u7b49\u3002 4.\u529f\u80fd\u7c7b\u6bd4:\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u7c7b\u4f3c\u4e8e\u8def\u7531\u5668\u4e03\u5c42\u7c7b\u4f3c\u4e8e\u4ee3\u7406\u670d\u52a1\u5668\u3002 5.\u5b89\u5168\u6027:\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u65e0\u6cd5\u8bc6\u522bDDoS\u653b\u51fb;\u4e03\u5c42\u53ef\u9632\u5fa1SYN Cookie\/Flood\u653b\u51fb \u00a0<\/p>\n

\u4e09\u3001haproxy-haproxy\u7b80\u4ecb<\/h3>\n

HAProxy\u662f\u6cd5\u56fd\u5f00\u53d1\u8005 \u5a01\u5229\u5854\u7f57(Willy Tarreau)\u57282000\u5e74\u4f7f\u7528C\u8bed\u8a00\u5f00\u53d1\u7684\u4e00\u4e2a\u5f00\u6e90\u8f6f\u4ef6\u662f\u4e00\u6b3e\u5177\u5907\u9ad8\u5e76\u53d1(\u4e07\u7ea7\u4ee5\u4e0a)\u3001\u9ad8\u6027\u80fd\u7684TCP\u548cHTTP\u8d1f\u8f7d\u5747\u8861\u5668\u652f\u6301\u57fa\u4e8ecookie\u7684\u6301\u4e45\u6027，\u81ea\u52a8\u6545\u969c\u5207\u6362，\u652f\u6301\u6b63\u5219\u8868\u8fbe\u5f0f\u53caweb\u72b6\u6001\u7edf\u8ba1\u4f01\u4e1a\u7248\u7f51\u7ad9:https:\/\/www.haproxy.com \u793e\u533a\u7248\u7f51\u7ad9:http:\/\/www.haproxy.org github: https:\/\/github.com\/haprox \u00a0<\/p>\n

haproxy\u7684\u57fa\u672c\u914d\u7f6e\u4fe1\u606f HAProxy \u7684\u914d\u7f6e\u6587\u4ef6haproxy.cfg\u7531\u4e24\u5927\u90e8\u5206\u7ec4\u6210，\u5206\u522b\u662f: global:\u5168\u5c40\u914d\u7f6e\u6bb5 \u8fdb\u7a0b\u53ca\u5b89\u5168\u914d\u7f6e\u76f8\u5173\u7684\u53c2\u6570 \u00b7\u6027\u80fd\u8c03\u6574\u76f8\u5173\u53c2\u6570 Debug\u53c2\u6570 proxies:\u4ee3\u7406\u914d\u7f6e\u6bb5 defaults:\u4e3afrontend,backend,listen\u63d0\u4f9b\u9ed8\u8ba4\u914d\u7f6e frontend:\u524d\u7aef，\u76f8\u5f53\u4e8enginx\u4e2d\u7684server{} backend:\u540e\u7aef，\u76f8\u5f53\u4e8enginx\u4e2d\u7684upstream0 listen:\u540c\u65f6\u62e5\u6709\u524d\u7aef\u548c\u540e\u7aef\u914d\u7f6e,\u914d\u7f6e\u7b80\u5355,\u751f\u4ea7\u63a8\u8350\u4f7f\u7528<\/p>\n

<\/h3>\n

\u56db\u3001haproxy-\u5b9e\u9a8c\u73af\u5883\u7684\u90e8\u7f72\u65b9\u6cd5<\/h3>\n

haproxy<\/p>\n

\"\"<\/p>\n

websever1<\/p>\n

\"\"<\/p>\n

dnf install nginx -y \u4e0b\u8f7d\u670d\u52a1！<\/p>\n

\u00a0echo webserver -172.25.254.10 > \/usr\/share\/nginx\/html\/index.html<\/p>\n

systemctl enable –now nginx<\/p>\n

webserver2<\/p>\n

\"\"<\/p>\n

dnf install nginx -y<\/p>\n

\u00a0echo webserver -172.25.254.20 > \/usr\/share\/nginx\/html\/index.html<\/p>\n

systemctl enable –now nginx<\/p>\n

(2)\u6240\u6709\u4e3b\u673a\u5173\u95ed\u9632\u706b\u5899 \u5c06selinux\u8bbe\u7f6e\u4e3a\u5bbd\u5bb9\u6a21\u5f0f<\/p>\n

\u00a0\u5173\u95ed\u9632\u706b\u5899<\/p>\n

systemctl stop firewalld systemctl mask firewalld<\/p>\n

\u914d\u7f6eselinux setenforce 0<\/p>\n

\u4ee5\u4e0a\u73af\u5883\u5c31\u914d\u7f6e\u5b8c\u6210\u5566！<\/p>\n<\/p>\n

\u4e94\u3001haproxy-haproxy\u7684\u57fa\u672c\u90e8\u7f72\u65b9\u6cd5\u53ca\u8d1f\u8f7d\u5747\u8861\u7684\u5b9e\u73b0<\/h3>\n

\u51c6\u5907\u4e09\u53f0\u4e3b\u673a<\/p>\n

dnf install haproxy -y<\/p>\n

rpm -qc haproxy \u67e5\u627e\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\" vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u6b64\u65f6\u53ef\u4ee5\u5c06web1\u7684ngnix\u7684\u670d\u52a1\u505c\u6389<\/p>\n

systemctl stop ngnix<\/p>\n

\u8bbf\u95ee172.25.254.100<\/p>\n

\u53ef\u4ee5\u53d1\u73b0\u6d41\u91cf\u90fd\u5230web2\u7684\u4e3b\u673a\u4e0a<\/p>\n

<\/h3>\n

\u516d\u3001haproxy-haproxy\u7684\u5168\u5c40\u914d\u7f6e\u53c2\u6570\u53ca\u65e5\u5fd7\u5206\u79bb<\/h3>\n

\u8bbe\u7f6e\u591a\u8fdb\u7a0b<\/p>\n

pstree -p |grep haproxy<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

systemctl restart haproxy \u91cd\u542f\u670d\u52a1<\/p>\n

pstree -p |grep haproxy\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\"\"<\/p>\n

systemctl restart haproxy<\/p>\n

\u67e5\u770b\u591a\u7ebf\u7a0b<\/p>\n

cat \/proc\/3112\/status \u00a0|grep -i thread\"\"<\/p>\n

\u6ce8\u610f\u8fd9\u91cc\u53ea\u80fd\u591a\u7ebf\u7a0b\u8ddf\u591a\u8fdb\u7a0b\u53ea\u80fd\u5f00\u542f\u4e00\u4e2a \u4e0d\u80fd\u540c\u65f6\u542f\u52a8 vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\" systemctl restart haproxy \u91cd\u542f\u670d\u52a1<\/p>\n

\u00a0 \u00a0vim \/etc\/rsyslog.conf\"\" \u00a0systemctl restart rsyslog.service<\/p>\n<\/p>\n

\u4e03\u3001haproxy-haproxy\u4e2d\u7684\u5e38\u7528\u914d\u7f6e\u53c2\u6570<\/h3>\n

haproxy\u4e3b\u673a：<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u4e0b\u8f7dhttpd\u670d\u52a1<\/p>\n

dnf install httpd -y<\/p>\n

\u6b64\u65f6\u5148\u4e0d\u8981\u542f\u52a8httpd\u670d\u52a1！<\/p>\n

\u5148\u8fdb\u5165\/etc\/hhtpd\/conf\/httpd.conf \u6587\u4ef6\u4e2d \u5c0680\u7aef\u53e3\u6539\u4e3a8080<\/p>\n

\"\"<\/p>\n

\u6b64\u65f6\u5c31\u53ef\u4ee5\u91cd\u542fhttpd \u670d\u52a1\u5566<\/p>\n

systemctl restart httpd<\/p>\n

\u00a0\u7ed3\u679c：<\/p>\n

\"\"<\/p>\n

\u4e0b\u7ebf\u6307\u5b9arealserver<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u7ed3\u679c;<\/p>\n

\"\"<\/p>\n

\u8bbf\u95ee\u91cd\u5b9a\u5411<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

systemctl restart haproxy<\/p>\n

\"\"\"\"<\/p>\n<\/p>\n

\u516b\u3001haproxy-haproxy\u70ed\u66f4\u65b0\u65b9\u6cd5<\/h3>\n

\u00a0dnf install socat -y<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

echo get weight webcluster\/web1 | socat stdio \/var\/lib\/haproxy\/stats \u770b\u5f53\u524d\u72b6\u6001\u7684\u6743\u91cd<\/p>\n

echo "set weight webcluster\/web1 1" | socat stdio \/var\/lib\/haproxy\/stats \u66f4\u6539web1\u7684\u6743\u91cd\u4e3a1<\/p>\n

echo get weight webcluster\/web1 | socat stdio \/var\/lib\/haproxy\/stats \u518d\u67e5\u770b\u5f53\u524d\u7684\u6743\u91cd<\/p>\n

\"\"<\/p>\n

echo 'get\u00a0servers\u00a0state' |\u00a0socat\u00a0stdio\u00a0\/var\/lib\/haproxy\/stats echo 'show\u00a0servers\u00a0state'\u00a0|\u00a0socat\u00a0stdio\u00a0\/var\/lib\/haproxy\/stats<\/p>\n

\u8ba9web1\u4e0b\u7ebf echo "disable\u00a0server\u00a0webcluster\/web1"\u00a0|\u00a0socat\u00a0stdio\u00a0\/var\/lib\/haproxy\/stats<\/p>\n

\u591a\u8fdb\u7a0b\u5982\u4f55\u70ed\u5904\u7406<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

echo 'show info '\u00a0|\u00a0socat\u00a0stdio\u00a0\/var\/lib\/haproxy\/stats1<\/p>\n

echo 'show info '\u00a0|\u00a0socat\u00a0stdio\u00a0\/var\/lib\/haproxy\/stats2<\/p>\n

\u4e5d\u3001haproxy-haproxy\u7684\u7b97\u6cd5<\/h3>\n

uri 1.\u57fa\u4e8e\u5bf9\u7528\u6237\u8bf7\u6c42\u7684URI\u7684\u5de6\u534a\u90e8\u5206\u6216\u6574\u4e2auri\u505ahash，\u518d\u5c06hash\u7ed3\u679c\u5bf9\u603b\u6743\u91cd\u8fdb\u884c\u53d6\u6a21\u540e 2.\u6839\u636e\u6700\u7ec8\u7ed3\u679c\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u540e\u7aef\u6307\u5b9a\u670d\u52a1\u5668 3.\u9002\u7528\u4e8e\u540e\u7aef\u662f\u7f13\u5b58\u670d\u52a1\u5668\u573a\u666f 4.\u9ed8\u8ba4\u662f\u9759\u6001\u7b97\u6cd5，\u4e5f\u53ef\u4ee5\u901a\u8fc7hash-type\u6307\u5b9amap-based\u548cconsistent，\u6765\u5b9a\u4e49\u4f7f\u7528\u53d6\u6a21\u6cd5\u8fd8\u662f\u4e00\u81f4\u6027hash source \u6e90\u5730\u5740hash，\u57fa\u4e8e\u7528\u6237\u6e90\u5730\u5740hash\u5e76\u5c06\u8bf7\u6c42\u8f6c\u53d1\u5230\u540e\u7aef\u670d\u52a1\u5668，\u540e\u7eed\u540c\u4e00\u4e2a\u6e90\u5730\u5740\u8bf7\u6c42\u5c06\u88ab\u8f6c\u53d1\u81f3\u540c-\u4e2a\u540e\u7aefweb\u670d\u52a1\u5668\u3002\u6b64\u65b9\u5f0f\u5f53\u540e\u7aef\u670d\u52a1\u5668\u6570\u636e\u91cf\u53d1\u751f\u53d8\u5316\u65f6，\u4f1a\u5bfc\u81f4\u5f88\u591a\u7528\u6237\u7684\u8bf7\u6c42\u8f6c\u53d1\u81f3\u65b0\u7684\u540e\u7aef\u670d\u52a1\u5668，\u9ed8\u8ba4\u4e3a\u9759\u6001\u65b9\u5f0f，\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7hash-type\u652f\u6301\u7684\u9009\u9879\u66f4\u6539\u8fd9\u4e2a\u7b97\u6cd5\u4e00\u822c\u662f\u5728\u4e0d\u63d2\u5165Cookie\u7684TCP\u6a21\u5f0f\u4e0b\u4f7f\u7528，\u4e5f\u53ef\u7ed9\u62d2\u7edd\u4f1a\u8bddcookie\u7684\u5ba2\u6237\u63d0\u4f9b\u6700\u597d\u7684\u4f1a\u8bdd\u7c98\u6027，\u9002\u7528\u4e8esession\u4f1a\u8bdd\u4fdd\u6301\u4f46\u4e0d\u652f\u6301cookie\u548c\u7f13\u5b58\u7684\u573a\u666f\u6e90\u5730\u5740\u6709\u4e24\u79cd\u8f6c\u53d1\u5ba2\u6237\u7aef\u8bf7\u6c42\u5230\u540e\u7aef\u670d\u52a1\u5668\u7684\u670d\u52a1\u5668\u9009\u53d6\u8ba1\u7b97\u65b9\u5f0f，\u5206\u522b\u662f\u53d6\u6a21\u6cd5\u548c\u4e00\u81f4\u6027hash leastconn：#\u6570\u636e\u5e93 1.leastconn\u52a0\u6743\u7684\u6700\u5c11\u8fde\u63a5\u7684\u52a8\u6001 2.\u652f\u6301\u6743\u91cd\u7684\u8fd0\u884c\u65f6\u8c03\u6574\u548c\u6162\u542f\u52a8，\u5373:\u6839\u636e\u5f53\u524d\u8fde\u63a5\u6700\u5c11\u7684\u540e\u7aef\u670d\u52a1\u5668\u800c\u975e\u6743\u91cd\u8fdb\u884c\u4f18\u5148\u8c03\u5ea6(\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5) 3.\u6bd4\u8f83\u9002\u5408\u957f\u8fde\u63a5\u7684\u573a\u666f\u4f7f\u7528，\u6bd4\u5982:MySQL\u7b49\u573a\u666f roundrobin 1.\u57fa\u4e8e\u6743\u91cd\u7684\u8f6e\u8be2\u52a8\u6001\u8c03\u5ea6\u7b97\u6cd5 2.\u652f\u6301\u6743\u91cd\u7684\u8fd0\u884c\u65f6\u8c03\u6574，\u4e0d\u540c\u4e8eIvs\u4e2d\u7684rr\u8f6e\u8bad\u6a21\u5f0f 3.HAProxy\u4e2d\u7684roundrobin\u652f\u6301\u6162\u542f\u52a8(\u65b0\u52a0\u7684\u670d\u52a1\u5668\u4f1a\u9010\u6e10\u589e\u52a0\u8f6c\u53d1\u6570) 4.\u5176\u6bcf\u4e2a\u540e\u7aefbackend\u4e2d\u6700\u591a\u652f\u63014095\u4e2areal server, 5.\u652f\u6301\u5bf9real server\u6743\u91cd\u52a8\u6001\u8c03\u6574， 6.roundrobin\u4e3a\u9ed8\u8ba4\u8c03\u5ea6\u7b97\u6cd5,\u6b64\u7b97\u6cd5\u4f7f\u7528\u5e7f\u6cdb<\/p>\n

static-rr：#\u9002\u7528\u4e8e\u505a\u4e86session\u5171\u4eab\u7684web\u96c6\u7fa4 \u4e0d\u652f\u6301\u6162\u542f\u52a8(\u5f00\u542f\u4e4b\u540e\u6d41\u91cf\u6162\u6162\u7ed9) \u652f\u6301\u6743\u91cd \u4e0d\u652f\u6301\u4fee\u6539\u6743\u91cd balance static-rr first：#\u4f7f\u7528\u8f83\u5c11 balance first \u81ea\u4e0a\u800c\u4e0b\u8fdb\u884c\u8c03\u7528 \u5f53\u4e00\u53f0\u7684\u670d\u52a1\u5668\u8fbe\u5230\u4e86\u4e0a\u9650 \u624d\u4f1a\u7ed9\u4e0b\u4e00\u53f0 \u4e0d\u652f\u6301\u4fee\u6539\u6743\u91cd \u4e0d\u652f\u6301socat\u5de5\u5177\u8fdb\u884c\u663e\u793a \u6bd4\u5982get set disable enable<\/p>\n

\u5b9e\u9a8c： static-rr<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

echo "set weight webcluster\/web1 1" | socat stdio \/var\/lib\/haproxy\/stats.<\/p>\n

\u6b64\u65f6\u4e0d\u80fd\u66f4\u6539\u6743\u91cd<\/p>\n

first<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u5728\u591a\u53f0\u4e3b\u673a\u4e2d\u6267\u884c\u6b7b\u5faa\u73af\u6d4b\u8bd5\u6548\u679c<\/p>\n

\u5229\u7528\u547d\u4ee4 while ture;do curl 172.25.254.100;sleep 0.1;done<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u5341\u3001haproxy-haproxy\u7684\u72b6\u6001\u9875\u9762\u76d1\u63a7<\/h3>\n

\"\"<\/p>\n

systemctl restart haproxy<\/p>\n

\u8bb0\u4f4f\u5173\u95edselinux!! \u4e0d\u7136haproxy\u670d\u52a1\u542f\u52a8\u4e0d\u4e86<\/p>\n

\u8bbf\u95ee 172.25.254.100：9999<\/p>\n

\"\"<\/p>\n<\/p>\n

\u5341 \u4e00\u3001haproxy-\u57fa\u4e8ecookie\u7684\u4f1a\u8bdd\u4fdd\u6301<\/h3>\n

\"\"<\/p>\n

curl -b WEBCOOKIE=lee1 172.25.254.100<\/p>\n

curl -b WEBCOOKIE=lee1 172.25.254.100<\/p>\n

\u6765\u8fdb\u884c\u6d4b\u8bd5<\/p>\n<\/p>\n

\u5341 \u4e8c\u3001haproxy-ip\u900f\u4f20\u6280\u672f<\/h3>\n

\u5728web1\u4e2d\u4e0b\u8f7dhttpd\u670d\u52a1<\/p>\n

dnf insatll httpd -y<\/p>\n

vim \/etc\/httpd\/conf\/httpd.conf<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u5176\u4e2dweb1\u4e3ahttpd\u670d\u52a1 web2\u4e3angnix\u670d\u52a1<\/p>\n

\u7ed3\u679c：<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n<\/p>\n

\u5341 \u4e09\u3001 haproxy-haproxy\u7684\u8bbf\u95ee\u63a7\u5236\u5217\u8868\u4ee5\u53ca\u5229\u7528acl\u505a\u52a8\u9759\u5206\u79bb\u7b49\u8bbf\u95ee\u63a7\u5236<\/h3>\n

\u4ee5bbs\u5f00\u5934：<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u5728windows\u4e2d\u505a\u57df\u540d\u89e3\u6790<\/p>\n

C:\\\\Windows\\\\System32\\\\drivers\\\\etc \u7684hosts\u6587\u4ef6\u4e2d\u8fdb\u884c\u66f4\u6539<\/p>\n

\"\"<\/p>\n

\u6d4b\u8bd5\u4e00\u4e0b\u7ed3\u679c：<\/p>\n

\"\"<\/p>\n

\u00a0\u5176\u4e2dweb1\u4e3ahttpd\u670d\u52a1 web2\u4e3angnix\u670d\u52a1<\/p>\n

\u57fa\u4e8e\u57df\u540d\u8bbf\u95ee：<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n<\/p>\n

\u5728windows\u4e2d\u505a\u57df\u540d\u89e3\u6790<\/p>\n

C:\\\\Windows\\\\System32\\\\drivers\\\\etc \u7684hosts\u6587\u4ef6\u4e2d\u8fdb\u884c\u66f4\u6539<\/p>\n

\"\"<\/p>\n

\u57fa\u4e8eip<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n<\/p>\n

webserver1 \u4e2d\u4e0b\u8f7dphp\u670d\u52a1<\/p>\n

vim \/var\/www\/html\/index.php<\/p>\n

\"\"<\/h3>\n

\u52a8\u9759\u5206\u79bb：<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n

\u7f16\u8f91\u5b8c\u914d\u7f6e\u6587\u4ef6\u540e\u8bb0\u5f97\u91cd\u542fhaproxy\u670d\u52a1<\/p>\n

\u5341 \u56db\u3001\u81ea\u52a8\u9519\u8bef\u9875\u9762\u5185\u5bb9<\/h3>\n

\u5b9e\u9a8c\u601d\u8def;<\/p>\n

\u67e5\u627e\u4e00\u4e0b\u9519\u8bef\u6587\u4ef6\u5728\u54ea\u91cc<\/p>\n

\"\"<\/p>\n

\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55\u4e3a \/etc\/haproxy\/errorpage\/503.http<\/p>\n

mkdir -p\u00a0 \u00a0\/etc\/haproxy\/errorpage\/503.http<\/p>\n

\u7136\u540e\u5c06\/usr\/share\/haproxy\/503.http \u4e2d\u7684\u5185\u5bb9\u590d\u5236\u5728\u521b\u5efa\u7684\u76ee\u5f55\u4e2d<\/p>\n

cp \/usr\/share\/haproxy\/503.http\u00a0\u00a0 \/etc\/haproxy\/errorpage\/503.http<\/p>\n

vim \/etc\/haproxy\/errorpage\/503.http \u7f16\u8f91\u5185\u5bb9<\/p>\n

\"\"<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0 \u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n

\"\"<\/p>\n<\/p>\n

\u5341 \u4e94\u3001haproxy-haproxy\u7684\u56db\u5c42\u8d1f\u8f7d\u793a\u4f8b<\/h3>\n

\u5728web1.2\u5206\u522b\u4e0b\u8f7dmysql\u670d\u52a1：dnf install mariadb -y<\/p>\n

dnf install mariadb-server -y<\/p>\n

(\u5185\u5305\u542b\u4e00\u4e2amariadb-server \u8981\u5b58\u5728\u8fd9\u4e2a\u5305\u624d\u53ef\u4ee5\u542f\u52a8\u670d\u52a1)<\/p>\n

webserver1：<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

webserver2：<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n<\/p>\n

haproxy\u8fde\u63a510\u4e3b\u673a\u7684mysql：<\/p>\n

\"\"<\/p>\n

\u8bf4\u660e\u6ca1\u6709\u8bbe\u7f6e10\u4e3b\u673a\u53ef\u4ee5\u8fdc\u7a0b\u767b\u5f55<\/p>\n

\u8fdb\u884c172.25.254.10\u4e0e172.25.254.20\u4e3b\u673a\u8fdc\u7a0b\u767b\u5f55：<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n<\/p>\n

\u8fdb\u884c\u4f9d\u6b21\u67e5\u770b\u4e09\u53f0\u4e3b\u673a \u4f1a\u663e\u793arr\u8f6e\u8be2\u72b6\u6001<\/p>\n

\"\"<\/p>\n

\"\"<\/h3>\n

\"\"<\/p>\n

\u5341 \u516d\u3001haproxy-https\u52a0\u5bc6<\/h3>\n

1.\u5236\u4f5c\u8bc1\u4e66<\/p>\n

\u5148\u521b\u5efa\u4e00\u4e2a\u76ee\u5f55<\/p>\n

mkdir -p \/etc\/haproxy\/certs<\/p>\n

\u5236\u4f5c\u8bc1\u4e66 openssl req -newkey rsa:2048 -nodes -sha256 -keyout \u00a0\/etc\/haproxy\/certs\/timinglee.org.key -x509 -days 365 -out \/etc\/haproxy\/certs\/timinglee.org.crt<\/p>\n

\u5c06\u5bc6\u94a5\u653e\u5728\/etc\/haproxy\/certs\/timinglee.pem\u8fd9\u4e2a\u76ee\u5f55\u4e0b cat \/etc\/haproxy\/certs\/timinglee.org.key \/etc\/haproxy\/certs\/timinglee.org.crt > \/etc\/haproxy\/certs\/timinglee.pem<\/p>\n

\u00a0\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6vim \/etc\/haproxy\/haproxy.cfg\u00a0 ：<\/p>\n

\"\"<\/p>\n<\/p>\n

\u67e5\u770b\u7aef\u53e3：<\/p>\n

netstat -antlupe |grep haproxy<\/p>\n

\"\"<\/p>\n

\u91cd\u542fweb1 \u4e0eweb2 \u7684\u670d\u52a1<\/p>\n

systemctl restart httpd\u00a0 systemctl restart ngnix<\/p>\n

\u8bbf\u95eehttps:\/\/172.25.254.100<\/p>\n<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

\u5168\u7ad9\u52a0\u5bc6：<\/p>\n

vim \/etc\/haproxy\/haproxy.cfg\u00a0<\/p>\n

\"\"<\/p>\n

\u00a0 systemctl restart haproxy.service\u00a0<\/p>\n

\u901a\u8fc7http\u7684\u65b9\u5f0f\u8fdb\u884c\u8bbf\u95ee<\/p>\n

\"\"<\/p>\n

\u4f1a\u81ea\u52a8\u8df3\u8f6c\u5230https\u00a0 \u8fd9\u5c31\u662f\u5168\u7ad9\u52a0\u5bc6<\/p>\n

\"\"<\/p>\n

\u5230\u8fd9\u91cc\u5206\u4eab\u5c31\u7ed3\u675f\u5566!!!<\/p>\n","protected":false},"excerpt":{"rendered":"

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