{"id":654,"date":"2018-02-24T16:10:16","date_gmt":"2018-02-24T08:10:16","guid":{"rendered":"http:\/\/60.205.208.74\/?p=654"},"modified":"2018-02-24T16:10:16","modified_gmt":"2018-02-24T08:10:16","slug":"nginxkeepalived%e5%ae%9e%e7%8e%b0%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e5%92%8c%e9%ab%98%e5%8f%af%e7%94%a8%e6%80%a7-in-ubuntu","status":"publish","type":"post","link":"https:\/\/www.puzi7.net\/?p=654","title":{"rendered":"Nginx+keepalived\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027 in ubuntu"},"content":{"rendered":"<span itemprop=\"description\"><p>\u4f7f\u7528Nginx\u5df2\u7ecf\u6709\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f46\u662f\u6700\u8fd1\u624d\u53bb\u5b9e\u8df5\u5229\u7528Nginx\u505a\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002<\/p>\n<p>\u5927\u81f4\u601d\u8def\uff1a\u6839\u636ekeepalived\u7684\u7279\u6027\uff0c\u901a\u8fc7\u4e00\u4e2a\u865a\u62dfip\u6765\u5b9e\u73b0\u4e3b\u4ece\u670d\u52a1\u5668\u7684\u5207\u6362\uff0c\u5982\u679c\u4e00\u53f0\u670d\u52a1\u5668\u5b95\u673a\uff0c\u53ef\u4ee5\u81ea\u52a8\u5207\u6362\u5230\u53e6\u4e00\u53f0\u5907\u4efd\u670d\u52a1\u5668\uff0c\u4ece\u800c\u4e0d\u5f71\u54cd\u7528\u6237\u7684\u8bbf\u95ee\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u6211\u7684\u5b89\u88c5\u914d\u7f6e\u6b65\u9aa4\uff0c\u8bf7\u5927\u5bb6\u53c2\u8003\u6307\u6b63\u3002<\/p>\n<p>1\uff1a\u670d\u52a1\u5668\u51c6\u5907<\/p>\n<p>\u51c6\u5907\u4e24\u53f0ubuntu\u865a\u62df\u4e3b\u673a\u670d\u52a1\u5668\uff0c\u5bf9\u5e94\u7684IP\u5206\u522b\u662f 192.168.1.100 \u00a0 192.168.1.200<\/p>\n<p>\u4e24\u53f0\u4e3b\u673a\u7684ip\u4e00\u5b9a\u8981\u5728\u76f8\u540c\u7684\u7f51\u6bb5<\/p>\n<p>2\uff1a\u865a\u62dfIP\u51c6\u5907<\/p>\n<p>sudo ifconfig \u00a0eth0:0 192.168.1.150 netmask 255.255.255.0<\/p>\n<p>\u7136\u540e\u67e5\u770bifconfig,\u4e0d\u96be\u53d1\u73b0\u4e0e\u4e4b\u524d\u7684ifconfig \u7684\u4e0d\u540c\u3002\u4e5f\u53ef\u4ee5\u901a\u8fc7ip a\u67e5\u770b\uff0c\u5bf9\u5e94\u7684\u7f51\u5361eth0\u6709\u4e24\u4e2aipaddress<\/p>\n<p>\u4e24\u53f0\u865a\u62df\u4e3b\u673a\u8981\u4f7f\u7528\u76f8\u540c\u7684\u865a\u62dfIP: 192.168.1.150<\/p>\n<p>&nbsp;<\/p>\n<p>3\uff1a\u5b89\u88c5nginx<\/p>\n<p>sudo apt-get install nginx<\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e\uff0cps -ef|grep nginx \u67e5\u770bnginx\u7684\u8fdb\u7a0b\uff0c\u5982\u679c\u6ca1\u95ee\u9898\uff0c\u53ef\u4ee5\u67e5\u770bhttp:\/\/192.168.1.100 \u00a0\u5982\u679c\u663e\u793a\u6b63\u5e38\uff0c\u8bf4\u660enginx\u670d\u52a1\u6b63\u5e38\u542f\u52a8\u3002<\/p>\n<p>nginx\u7684\u914d\u7f6e\u5982\u4e0b\uff1a<\/p>\n<pre class=\"c\">user www-data;\nworker_processes 4;\npid \/var\/run\/nginx.pid;\n\nevents {\n        worker_connections 1024;\n        # multi_accept on;\n}\n\nhttp {\n\n        ##\n        # Basic Settings\n        ##\n\n        sendfile on;\n        tcp_nopush on;\n        tcp_nodelay on;\n        keepalive_timeout 65;\n        fastcgi_buffer_size  64k;\n        fastcgi_buffers      16  64k;\n\n        types_hash_max_size 2048;\n        # server_tokens off;\n\n        # server_names_hash_bucket_size 64;\n        # server_name_in_redirect off;\n\n        include \/etc\/nginx\/mime.types;\n        default_type application\/octet-stream;\n\n        ##\n        # Logging Settings\n        ##\n\n        access_log \/var\/log\/nginx\/access.log;\n        error_log \/var\/log\/nginx\/error.log;\n\n        upstream server_lb {\n            server 192.168.1.100:9000; \/\/9000\u4e3aphp\u7684\u7aef\u53e3\n            server 192.168.1.200:9000;\n            ip_hash;\n        }\n\n\n\n    server {\n        listen       80;\n        server_name  _;\n        #root \/var\/www\/html\/demo\/public;\n        #charset koi8-r;\n\n        try_files $uri $uri\/ $uri.php?$args \/index.php;\n\n        location ~ \\.php$ {\n            fastcgi_pass server_lb;\/\/\u901a\u8fc7fastcgi\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861\n            include fastcgi_params;\n        }\n        error_page   500 502 503 504  \/50x.html;\n        location = \/50x.html {\n            root   html;\n        }\n    }\n\t\n}\n<\/pre>\n<p>&nbsp;<\/p>\n<p>\u4e24\u53f0\u670d\u52a1\u5668\u7684nginx\u914d\u7f6e\u4e00\u81f4<\/p>\n<p>&nbsp;<\/p>\n<p>4\uff1a\u5b89\u88c5keepalived<\/p>\n<p>sudo apt-get install keepalived<\/p>\n<p>\u5b89\u88c5\u5b8c\u6210\u4e4b\u540e\uff0c\u67e5\u770b\u8fdb\u7a0b\u53d1\u73b0\u5e76\u6ca1\u6709keepalived\u7684\u8fdb\u7a0b\uff0c\u8fd9\u662f\u56e0\u4e3akeepalived\u914d\u7f6e\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u9700\u8981\u7528\u6237\u81ea\u5df1\u521b\u5efa\u4e00\u4e2akeepalived.conf\u6587\u4ef6\u5b58\u653e\u5230\/etc\/keepalived\u76ee\u5f55<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"sh\">vrrp_script chk_nginx {\n script \"\/etc\/keepalived\/check_nginx.sh\" \/\/\u68c0\u6d4bnginx\u8fdb\u7a0b\u7684\u811a\u672c\n interval 2\n weight 2\n}\n\nglobal_defs {\n notification_email {\n      \/\/\u53ef\u4ee5\u6dfb\u52a0\u90ae\u4ef6\u63d0\u9192\n }\n}\nvrrp_instance VI_1 {\n state MASTER \/\/\u4e3b\u670d\u52a1\u5668\n interface eth0\n virtual_router_id 51 \n mcast_src_ip 192.168.1.100\n priority 250\n advert_int 1\n\n authentication {\n        auth_type PASS\n        auth_pass 123456\n }\n track_script {\n        chk_nginx\n }\n virtual_ipaddress {\n        192.168.1.150\n }\n}\n<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>\u4e24\u53f0\u670d\u52a1\u5668\u7684keepalived.conf\u6587\u4ef6\u9664\u4e86\u4f18\u5148\u7ea7\uff0c<span style=\"font-family: monospace; font-size: 1em; line-height: 1.5;\">state\u548c<\/span><span style=\"font-family: monospace; font-size: 1em; line-height: 1.5;\">mcast_src_ip\u4e0d\u4e00\u6837\uff0c\u5176\u4ed6\u7684\u5b8c\u5168\u4e00\u81f4\uff0c\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u51e0\u70b9\u662f\uff1a<\/span><\/p>\n<ul>\n<li>\u4e3b\u670d\u52a1\u5668\u7684state\u4e3aMASTER,\u4ece\u670d\u52a1\u5668\u7684state\u4e3aBACKUP<\/li>\n<li>\u4e3b\u670d\u52a1\u5668\u7684priority\u4e00\u5b9a\u8981\u6bd4\u4ece\u670d\u52a1\u5668\u7684priority\u5927<\/li>\n<li>mcast_src_ip\u5c31\u662f\u5bf9\u5e94\u670d\u52a1\u5668\u7684\u5c40\u57df\u7f51ip<\/li>\n<li>\u201c{\u201d\u524d\u9762\u4e00\u5b9a\u8981\u6709\u4e2a\u7a7a\u683c\uff0c\u4e0d\u80fd\u8ddf\u524d\u9762\u7684\u5b57\u7b26\u8fde\u8d77\u6765\uff0c\u5426\u5219\u51fa\u73b0\u95ee\u9898\u5f88\u96be\u53d1\u73b0<\/li>\n<li>check_nginx.sh\u811a\u672c\u6587\u4ef6\u7684\u6267\u884c\u6743\u9650\u4e00\u5b9a\u8981\u6b63\u786e\u3002<\/li>\n<li>check_nginx.sh\u7684\u4ee3\u7801\u5982\u4e0b\uff1a\n<pre class=\"sh\">#more \/etc\/keepalived\/check_http.sh\n#!\/bin\/bash\n#\u4ee3\u7801\u4e00\u5b9a\u6ce8\u610f\u7a7a\u683c\uff0c\u903b\u8f91\u5c31\u662f\uff1a\u5982\u679cnginx\u8fdb\u7a0b\u4e0d\u5b58\u5728\u5219\u542f\u52a8nginx,\u5982\u679cnginx\u65e0\u6cd5\u542f\u52a8\u5219kill\u6389keepalived\u6240\u6709\u8fdb\u7a0b\nA=`ps -C nginx --no-header |wc -l`\nif [ $A -eq 0 ];then\n \/etc\/init.d\/nginx start\nsleep 3\nif [ `ps -C nginx --no-header |wc -l`-eq 0 ];then\n killall keepalived\nfi\nfi<\/pre>\n<\/li>\n<\/ul>\n<p>\u914d\u7f6e\u6587\u4ef6\u5b8c\u6210\u4e4b\u540e\uff0csudo \/etc\/init.d\/keepalived start,\u7136\u540e\u518d\u67e5\u770b\u4e0bkeepalived\u7684\u8fdb\u7a0b\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u5b58\u5728\uff0c\u518d\u68c0\u67e5keepalived\u7684log\uff08sudo tail \/var\/log\/syslog\uff09\uff0c\u5982\u679c\u770b\u5230nginx Keepalived_vrrp: VRRP_Script(chk_nginx) succeeded\uff0c\u5219\u8bf4\u660e\u914d\u7f6e\u6210\u529f\u3002<\/p>\n<p>\u4e24\u53f0\u670d\u52a1\u5668\u7684keepalived\u914d\u7f6e\u548c\u542f\u52a8\u547d\u4ee4\u662f\u4e00\u81f4\u7684<\/p>\n<p>&nbsp;<\/p>\n<p>5\uff1a\u6d4b\u8bd5<\/p>\n<p>\u56e0\u4e3acheck_nginx\u7684\u7f18\u6545\uff0c\u5f53\u542f\u52a8keepalived\u662f\uff0cnginx\u4e5f\u4f1a\u540c\u65f6\u88ab\u542f\u52a8\uff0c\u6240\u4ee5\u6b64\u65f6\uff0c\u67e5\u770bnginx\u548ckeepalived\u7684\u8fdb\u7a0b\u5e94\u8be5\u90fd\u662f\u5b58\u5728\u7684\uff0c\u5426\u5219\u5c31\u662f\u914d\u7f6e\u6709\u95ee\u9898\u3002<\/p>\n<p>\u73b0\u5728\u8bbf\u95eehttp:\/\/192.168.1.150,\u5982\u679c\u8bbf\u95ee\u6b63\u5e38\uff0c\u6b64\u65f6\u5e94\u8be5\u663e\u793a\u7684\u662f\u4e3b\u670d\u52a1\u5668\u7684\u9875\u9762\uff0c\u4e5f\u5c31\u662f192.168.1.100\u7684\u9875\u9762\uff0c\u5426\u5219\u4e5f\u662f\u914d\u7f6e\u6709\u95ee\u9898\u3002<\/p>\n<p>\u7136\u540e\u5728\u5173\u95ed\u4e3b\u670d\u52a1\u5668\u7684nginx\u8bbf\u95ee\uff0c\u8bbf\u95eehttp:\/\/192.168.1.150\u9875\u9762\u5e94\u8be5\u6b63\u5e38\uff0c\u56e0\u4e3acheck_nginx\u7684\u7f18\u6545\u3002<\/p>\n<p>\u518d\u5173\u95ed\u4e3b\u670d\u52a1\u5668\u7684keepalived\u8fdb\u7a0b\uff0c\u5219\u6b64\u65f6\u8bbf\u95eehttp:\/\/192.168.1.150\u5e94\u8be5\u663e\u793a\u7684\u662f\u4ece\u670d\u52a1\u5668\u7684\u9875\u9762\uff0c\u4e5f\u5c31\u662f192.168.1.200\u7684\u9875\u9762\uff0c\u5426\u5219\u4e5f\u662f\u914d\u7f6e\u4e0d\u6b63\u786e\u3002<\/p>\n<p>\u5982\u679c\u518d\u5173\u95ed\u4ece\u670d\u52a1\u5668\u7684nginx\u548ckeepalived\u5219http:\/\/192.168.1.150\u65e0\u6cd5\u8bbf\u95ee\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u6211\u7684\u914d\u7f6e\u6b65\u9aa4\uff0c\u5f88\u7c97\u7565\uff0c\u8fd8\u5e0c\u671b\u5927\u5bb6\u591a\u6307\u70b9<img decoding=\"async\" title=\"\u9177\" src=\"http:\/\/www.iteye.com\/javascripts\/tinymce\/plugins\/emotions\/img\/smiley-cool.gif\" alt=\"\u9177\" border=\"0\" \/>\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u4ee5\u4e0b\u662f\u7248\u672c\u4fe1\u606f<\/p>\n<p>ubuntu\uff1aUbuntu 12.04.1 LTS (GNU\/Linux 3.2.0-29-generic x86_64)<\/p>\n<p>Keepalived\uff1a v1.2.2<\/p>\n<p>nginx version: nginx\/1.1.19<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<span>","protected":false},"excerpt":{"rendered":"<p class=\"excerpt\"><span itemprop=\"description\">\u4f7f\u7528Nginx\u5df2\u7ecf\u6709\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\uff0c\u4f46\u662f\u6700\u8fd1\u624d\u53bb\u5b9e\u8df5\u5229\u7528Nginx\u505a\u8d1f\u8f7d\u5747\u8861\u548c\u9ad8\u53ef\u7528\u6027\u3002 \u5927&hellip;<\/span><\/p>\n<p class=\"more-link-p btn-align-right\"><a class=\"green zoom-btn\" href=\"https:\/\/www.puzi7.net\/?p=654\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,12,13],"tags":[80,96,109,121],"class_list":["post-654","post","type-post","status-publish","format-standard","hentry","category-9","category-blog","category-13","tag-keepalived","tag-nginx","tag-server","tag-ubuntu","zoom-theme-has-thumb"],"_links":{"self":[{"href":"https:\/\/www.puzi7.net\/index.php?rest_route=\/wp\/v2\/posts\/654","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.puzi7.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.puzi7.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.puzi7.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.puzi7.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=654"}],"version-history":[{"count":0,"href":"https:\/\/www.puzi7.net\/index.php?rest_route=\/wp\/v2\/posts\/654\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.puzi7.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=654"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.puzi7.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=654"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.puzi7.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=654"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}