{"id":9254,"date":"2024-03-28T17:29:33","date_gmt":"2024-03-28T09:29:33","guid":{"rendered":"https:\/\/egonlin.com\/?p=9254"},"modified":"2024-05-22T23:19:56","modified_gmt":"2024-05-22T15:19:56","slug":"%e4%b8%89%e3%80%81haproxy%e5%9b%9b%e5%b1%82%e4%b8%8e%e4%b8%83%e5%b1%82%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=9254","title":{"rendered":"\u4e09\u3001Haproxy\u56db\u5c42\u4e0e\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861"},"content":{"rendered":"

\u4e00\u3001Haproxy\u4ecb\u7ecd<\/h1>\n

\u8f6f\u4ef6\uff1ahaproxy—\u4e3b\u8981\u662f\u505a\u8d1f\u8f7d\u5747\u8861\u76847\u5c42\uff0c\u4e5f\u53ef\u4ee5\u505a4\u5c42\u8d1f\u8f7d\u5747\u8861
\napache\u4e5f\u53ef\u4ee5\u505a7\u5c42\u8d1f\u8f7d\u5747\u8861\uff0c\u4f46\u662f\u5f88\u9ebb\u70e6\u3002\u5b9e\u9645\u5de5\u4f5c\u4e2d\u6ca1\u6709\u4eba\u7528\u3002<\/p>\n

7\u5c42\u8d1f\u8f7d\u5747\u8861\uff1a\u7528\u76847\u5c42http\u534f\u8bae\uff0c
\n4\u5c42\u8d1f\u8f7d\u5747\u8861\uff1a\u7528\u7684\u662ftcp\u534f\u8bae\u52a0\u7aef\u53e3\u53f7\u505a\u7684\u8d1f\u8f7d\u5747\u8861<\/p>\n

\n

ha-proxy\u6982\u8ff0
\nha-proxy\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u3002\u56e0\u4e3a\u5176\u4e13\u6ce8\u4e8e\u8d1f\u8f7d\u5747\u8861\u8fd9\u4e00\u4e9b\u4e8b\u60c5\uff0c\u56e0\u6b64\u4e0enginx\u6bd4\u8d77\u6765\u5728\u8d1f\u8f7d\u5747\u8861\u8fd9\u4ef6\u4e8b\u60c5\u4e0a\u505a\u66f4\u597d\uff0c\u66f4\u4e13\u4e1a\u3002<\/p>\n

ha-proxy\u7684\u7279\u70b9
\nha-proxy \u4f5c\u4e3a\u76ee\u524d\u6d41\u884c\u7684\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\uff0c\u5fc5\u987b\u6709\u5176\u51fa\u8272\u7684\u4e00\u9762\u3002\u4e0b\u9762\u4ecb\u7ecd\u4e00\u4e0bha-proxy\u76f8\u5bf9LVS\uff0cNginx\u7b49\u8d1f\u8f7d\u5747\u8861\u8f6f\u4ef6\u7684\u4f18\u70b9\u3002<\/p>\n

\u2022\u652f\u6301tcp \/ http \u4e24\u79cd\u534f\u8bae\u5c42\u7684\u8d1f\u8f7d\u5747\u8861\uff0c\u4f7f\u5f97\u5176\u8d1f\u8f7d\u5747\u8861\u529f\u80fd\u975e\u5e38\u4e30\u5bcc\u3002
\n\u2022\u652f\u63018\u79cd\u5de6\u53f3\u7684\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u5c24\u5176\u662f\u5728http\u6a21\u5f0f\u65f6\uff0c\u6709\u8bb8\u591a\u975e\u5e38\u5b9e\u5728\u7684\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\uff0c\u9002\u7528\u5404\u79cd\u9700\u6c42\u3002
\n\u2022\u6027\u80fd\u975e\u5e38\u4f18\u79c0\uff0c\u57fa\u4e8e\u5355\u8fdb\u7a0b\u5904\u7406\u6a21\u5f0f\uff08\u548cNginx\u7c7b\u4f3c\uff09\u8ba9\u5176\u6027\u80fd\u5353\u8d8a\u3002
\n\u2022\u62e5\u6709\u4e00\u4e2a\u529f\u80fd\u51fa\u8272\u7684\u76d1\u63a7\u9875\u9762\uff0c\u5b9e\u65f6\u4e86\u89e3\u7cfb\u7edf\u7684\u5f53\u524d\u72b6\u51b5\u3002
\n\u2022\u529f\u80fd\u5f3a\u5927\u7684ACL\u652f\u6301\uff0c\u7ed9\u7528\u6237\u6781\u5927\u7684\u65b9\u4fbf\u3002<\/p>\n

haproxy\u7b97\u6cd5\uff1a
\n1.roundrobin
\n\u57fa\u4e8e\u6743\u91cd\u8fdb\u884c\u8f6e\u8be2,\u5728\u670d\u52a1\u5668\u7684\u5904\u7406\u65f6\u95f4\u4fdd\u6301\u5747\u5300\u5206\u5e03\u65f6,\u8fd9\u662f\u6700\u5e73\u8861,\u6700\u516c\u5e73\u7684\u7b97\u6cd5.\u6b64\u7b97\u6cd5\u662f\u52a8\u6001\u7684,\u8fd9\u8868\u793a\u5176\u6743\u91cd\u53ef\u4ee5\u5728\u8fd0\u884c\u65f6\u8fdb\u884c\u8c03\u6574.
\n2.static-rr
\n\u57fa\u4e8e\u6743\u91cd\u8fdb\u884c\u8f6e\u8be2,\u4e0eroundrobin\u7c7b\u4f3c,\u4f46\u662f\u4e3a\u9759\u6001\u65b9\u6cd5,\u5728\u8fd0\u884c\u65f6\u8c03\u6574\u5176\u670d\u52a1\u5668\u6743\u91cd\u4e0d\u4f1a\u751f\u6548.\u4e0d\u8fc7,\u5176\u5728\u540e\u7aef\u670d\u52a1\u5668\u8fde\u63a5\u6570\u4e0a\u6ca1\u6709\u9650\u5236
\n3.leastconn
\n\u65b0\u7684\u8fde\u63a5\u8bf7\u6c42\u88ab\u6d3e\u53d1\u81f3\u5177\u6709\u6700\u5c11\u8fde\u63a5\u6570\u76ee\u7684\u540e\u7aef\u670d\u52a1\u5668.<\/p>\n

\u4e8c\u3001haproxy\u56db\u5c42\u4e0e\u4e03\u5c42\u914d\u7f6e\u8bf4\u660e<\/h1>\n

\"\"<\/div>
\n\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e\u8bf4\u660e<\/p>\n
# 1\u3001mode tcp \u8868\u793a\u8fd9\u662f\u4e00\u4e2a\u56db\u5c42 TCP \u8d1f\u8f7d\u5747\u8861\r\n# 2\u3001frontend ft_web \u5b9a\u4e49\u4e86\u76d1\u542c\u7684\u7aef\u53e3\r\n# 3\u3001backend bk_web \u5b9a\u4e49\u4e86\u540e\u7aef\u670d\u52a1\u5668\u5217\u8868\uff0c\u6bcf\u4e2a server \u884c\u5b9a\u4e49\u4e00\u4e2a\u540e\u7aef\u670d\u52a1\u5668\uff0c\r\ncheck \u9009\u9879\u8868\u793a\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u5065\u5eb7\u68c0\u67e5<\/code><\/pre>\n
\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u914d\u7f6e\u8bf4\u660e<\/p>\n
# 1\u3001mode http\uff1a\r\n\u8fd9\u7528\u4e8e\u6307\u793a HAProxy \u5728\u5904\u7406\u8bf7\u6c42\u65f6\u8981\u64cd\u4f5c\u5230\u5e94\u7528\u5c42\uff08\u4e5f\u5c31\u662f HTTP \u5c42\u9762\uff09\u3002\r\n\u8fd9\u4f7f\u5f97\u53ef\u4ee5\u5bf9 HTTP \u5934\u90e8\u3001URL \u3001Cookie \u7b49\u8fdb\u884c\u5904\u7406\u548c\u4f7f\u7528\u3002\r\n# 2\u3001option httplog\uff1a\r\n\u8fd9\u8bbe\u7f6e HAProxy \u751f\u6210\u7684\u65e5\u5fd7\u5305\u542b HTTP \u4fe1\u606f\uff0c\u5982\u8bf7\u6c42\u7684\u65b9\u6cd5\u3001URI \u7b49\u3002\r\n# 3\u3001option forwardfor\uff1a\r\n\u8fd9\u7528\u4e8e\u63d2\u5165 X-Forwarded-For \u5934\u90e8\u4fe1\u606f\uff0c\u8fd9\u662f\u4e00\u4e2a HTTP \u5934\u90e8\u4fe1\u606f\uff0c\u7528\u6765\u8bb0\u5f55\u539f\u59cb\u5ba2\u6237\u7aef\u7684 IP \u5730\u5740\u3002\r\n# 4\u3001http-request set-header and http-request add-header\uff1a\r\n\u8fd9\u7528\u4e8e\u63d2\u5165\u6216\u4fee\u6539 HTTP \u8bf7\u6c42\u5934\u4fe1\u606f\u3002<\/code><\/pre>\n
\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u91cc\u52a0\u5165\u7684\u914d\u7f6e\uff1aoption httpchk HEAD \/ HTTP\/1.1\\r\\nHost:localhost<\/p>\n
option httpchk \u662f HAProxy \u4e2d\u7528\u4e8e\u8bbe\u7f6e HTTP \u5065\u5eb7\u68c0\u67e5\u7684\u9009\u9879\u3002\r\n\u5982\u679c\u4f60\u4e0d\u663e\u5f0f\u8bbe\u7f6e\u8fd9\u4e2a\u9009\u9879\uff0cHAProxy \u9ed8\u8ba4\u4f1a\u505a TCP \u8fde\u63a5\u68c0\u67e5\u3002\r\n\u5982\u679c\u4f60\u53ea\u9700\u8981 TCP \u5c42\u9762\u7684\u68c0\u67e5\uff0c\u786e\u5b9e\u53ef\u4ee5\u4e0d\u914d\u7f6e\u8fd9\u4e00\u884c\u3002\r\n\u4f46\u5982\u679c\u9700\u8981\u66f4\u7cbe\u7ec6\u7684 HTTP \u5c42\u9762\u7684\u68c0\u67e5\uff0c\u5219\u9700\u8981\u6dfb\u52a0\u8fd9\u4e2a\u9009\u9879\u3002\r\n\r\n\u914d\u7f6e\u8bed\u6cd5\r\noption httpchk <method> <uri> <version> \r\noption httpchk <method> <uri> <version>\\r\\n<header-name>: <header-value> ...\r\n\r\noption httpchk HEAD \/ HTTP\/1.1\\r\\nHost:localhost \u914d\u7f6e\u7684\u542b\u4e49\u662f\uff1a\r\n1\u3001option httpchk\uff1a\u542f\u7528HTTP\u578b\u7684\u5065\u5eb7\u68c0\u67e5\u3002 \r\n2\u3001HEAD\uff1a\u8fd9\u4e2a\u6307\u5b9a\u4e86\u5177\u4f53\u4f7f\u7528\u7684HTTP\u65b9\u6cd5\u662f\u00a0HEAD\u3002\u4f7f\u7528HEAD\u8bf7\u6c42\u53ef\u4ee5\u51cf\u5c11\u5065\u5eb7\u68c0\u67e5\u4ea7\u751f\u7684\u6570\u636e\u4f20\u8f93\u91cf\uff0c\u56e0\u4e3a\u5b83\u4e0d\u83b7\u53d6\u5b9e\u9645\u7684\u54cd\u5e94\u4f53\r\n3\u3001\/\uff1a\u8fd9\u662f\u8981\u8bbf\u95ee\u4ee5\u68c0\u67e5\u670d\u52a1\u5668\u5065\u5eb7\u72b6\u6001\u7684URI\u8def\u5f84\uff0c\u8fd9\u91cc\u662f\u6839\u8def\u5f84\r\n4\u3001HTTP\/1.1\uff1a\u8fd9\u6307\u5b9a\u4e86HTTP\u534f\u8bae\u7684\u7248\u672c\u662f1.1\u3002 \r\n5\u3001\\r\\nHost:localhost\uff1a\u8fd9\u662f\u4e00\u4e2a\u989d\u5916\u7684HTTP\u5934\u90e8\uff0c\u6307\u5b9a\u4e86\u8bf7\u6c42\u7684Host\u5934\u4fe1\u606f\u3002\\r\\n\u00a0\u662f\u56de\u8f66\u548c\u6362\u884c\u7684\u8f6c\u4e49\u5b57\u7b26\uff0c\u7528\u6765\u5206\u9694HTTP\u5934\u90e8\u3002\u5728\u8fd9\u91cc\uff0cHost\u5934\u88ab\u8bbe\u7f6e\u4e3a\u00a0localhost\uff0c\u4ee3\u8868\u8bf7\u6c42\u5c06\u88ab\u53d1\u9001\u5230\u914d\u7f6e\u4e3alocalhost\u00a0\u7684\u670d\u52a1\u5668\u3002 \r\n\u6ce8\u610f\uff1a \r\n# 1\u3001Host\u5b57\u6bb5\u503c\u4e0d\u5e94\u8bbe\u7f6e\u4e3alocalhost\uff0c\u800c\u5e94\u8be5\u8bbe\u7f6e\u4e3a\u4f60\u7684\u57df\u540d\r\n# 2\u3001\u5982\u679c\u8bf7\u6c42\u5931\u8d25\u6216\u8005\u8d85\u65f6\uff0c\u90a3\u4e48 HAProxy \u4f1a\u5c06\u6b64\u670d\u52a1\u5668\u6807\u8bb0\u4e3a\u4e0d\u5065\u5eb7\uff0c \u6d41\u91cf\u4e0d\u518d\u4f1a\u88ab\u8f6c\u53d1\u81f3\u6b64\u670d\u52a1\u5668\uff0c\u76f4\u5230\u4e0b\u4e00\u4e2a\u6b63\u5e38\u7684\u5065\u5eb7\u68c0\u67e5\u3002\r\n\r\n\u5176\u4ed6\u8bbe\u7f6e\u793a\u4f8b\r\noption httpchk HEAD \/index.html HTTP\/1.1 #\u66f4\u591a\u5065\u5eb7\u68c0\u67e5\u8bf7\u95eeGPT<\/span><\/code><\/pre>\n
\u603b\u7ed3\u56db\u5c42\u548c\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u7684\u533a\u522b\u5305\u62ec\uff1a<\/p>\n
# 1\u3001\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u5de5\u4f5c\u5728\u4f20\u8f93\u5c42\uff0c\u4e3b\u8981\u5173\u6ce8 IP \u548c\u7aef\u53e3\uff0c\u4e0d\u5173\u6ce8\u5e94\u7528\u5c42\u4fe1\u606f\u5982 HTTP \u5934\u90e8\u3001\u5185\u5bb9\u7b49\u3002\r\n# 2\u3001\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u5de5\u4f5c\u5728\u5e94\u7528\u5c42\uff0c\u56e0\u6b64\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u8bf7\u6c42\u8def\u7531\u7b56\u7565\uff0c\u5982\u57fa\u4e8e URL\u3001\r\n\u8bf7\u6c42\u7c7b\u578b\u7b49\u7684\u8def\u7531\uff0c\u6216\u8005\u4fee\u6539 HTTP \u5934\u90e8\u7b49\u3002\r\n# 3\u3001\u56db\u5c42\u8d1f\u8f7d\u5747\u8861\u7684\u6027\u80fd\u901a\u5e38\u8981\u6bd4\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861\u9ad8\uff0c\u56e0\u4e3a\u5904\u7406\u7684\u6570\u636e\u66f4\u5c11\uff0c\r\n\u66f4\u63a5\u8fd1\u4e8e\u7f51\u7edc\u5c42\u9762\uff0c\u800c\u4e0d\u9700\u8981\u5173\u5fc3\u66f4\u9ad8\u5c42\u7684\u534f\u8bae\u548c\u6570\u636e\u3002<\/code><\/pre>\n
\u4e8c\u3001Haproxy\u5b9e\u73b0\u4e03\u5c42\u8d1f\u8f7d\u5747\u8861<\/h1>\n
2.1 \u51c6\u5907\u5de5\u4f5c<\/h2>\n
\u67b6\u6784\u56fe
\n
\"file\"<\/div><\/p>
<\/div>
\u67e5\u770b\u66f4\u591a<\/h2>
\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>
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Register<\/a><\/div>
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<\/div>","protected":false},"excerpt":{"rendered":"
\u4e00\u3001Haproxy\u4ecb\u7ecd \u8f6f\u4ef6\uff1ahaproxy—\u4e3b\u8981\u662f\u505a\u8d1f\u8f7d\u5747\u8861\u76847\u5c42\uff0c\u4e5f\u53ef\u4ee5\u505a4\u5c42\u8d1f\u8f7d\u5747\u8861 apa […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[44],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9254"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9254"}],"version-history":[{"count":25,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9254\/revisions"}],"predecessor-version":[{"id":10926,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/9254\/revisions\/10926"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9254"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9254"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9254"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}