{"id":61,"date":"2017-03-01T18:14:53","date_gmt":"2017-03-01T10:14:53","guid":{"rendered":"\/\/hqidi.com\/?p=61"},"modified":"2017-04-10T08:38:10","modified_gmt":"2017-04-10T00:38:10","slug":"nginx%e4%b8%bb%e4%b8%bb%e8%b4%9f%e8%bd%bd%e5%9d%87%e8%a1%a1%e6%9e%b6%e6%9e%84","status":"publish","type":"post","link":"https:\/\/hqidi.com\/61.html","title":{"rendered":"Nginx\u4e3b\u4e3b\u8d1f\u8f7d\u5747\u8861\u67b6\u6784"},"content":{"rendered":"<p>\u6bd4\u8f83\u5e38\u89c1\u7684Nginx+Keepalived\u9879\u76ee\u65b9\u6848\u90fd\u91c7\u7528\u7684\u662f\u5355\u4e3bNginx\u5728\u5de5\u4f5c\uff0c\u4eceNginx\u957f\u671f\u5904\u4e8e\u5907\u4efd\u72b6\u6001\uff0c\u6240\u4ee5\u6211\u60f3\u5c06\u4e24\u53f0Nginx\u8d1f\u8f7d\u5747\u8861\u5668\u90fd\u5904\u4e8e\u5de5\u4f5c\u72b6\u6001\uff0c\u5176\u5b9e\u7528Keepalived\u4e5f\u5f88\u5bb9\u6613\u5b9e\u73b0\u3002 Nginx\u4e3b\u4e3b\u67b6\u6784\u670d\u52a1\u5668IP\u5206\u914d\u8868\u5982\u8868\u5982\u4e0b\u6240\u793a\u3002<br \/>\n<img decoding=\"async\" src=\"\/\/hqidi.com\/img\/one\/61.jpg\" alt=\"\" \/><\/p>\n<p>Nginx\u548cKeepalived\u7684\u5b89\u88c5\u6bd4\u8f83\u7b80\u5355\uff0c\u8fd9\u91cc\u5c31\u4e0d\u91cd\u590d\u4e86\uff0c\u8fd9\u91cc\u9644\u4e0a\u4e24\u53f0 Nginx\u8d1f\u8f7d\u5747\u8861\u5668\u7684nginx.conf\u914d\u7f6e\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\u6240\u793a:<br \/>\nuser www www;<br \/>\nworker_processes 8;<br \/>\npid \/usr\/local\/nginx\/logs\/nginx.pid;<br \/>\nworker_rlimit_nofile 51200;<br \/>\nevents<br \/>\n{<br \/>\nuse epoll;<br \/>\nworker_connections 51200;<br \/>\n}<br \/>\nhttp{<br \/>\ninclude mime.types\uff1b<br \/>\ndefault_type application\/octet-stream;<br \/>\nserver_names_hash_bucket_size 128;<br \/>\nclient_header_buffer_size 32k;<br \/>\nlarge_client_header_buffers 4 32k;<br \/>\nclient_max_body_size 8m;<br \/>\nsendfile on;<br \/>\ntcp_nopush on;<br \/>\nkeepalive_timeout 60;<br \/>\ntcp_nodelay on;<br \/>\nfastcgi.connect_timeout 300;<br \/>\nfastcgi_send_timeout 300;<br \/>\nfastcgi_read_timeout 300;<br \/>\nfastcgi_buffer_size 64k;<br \/>\nfastcgi.buffers 4 64k;<br \/>\nfastcgi _busy_buffers_size 128k;<br \/>\nfastcgi_temp_file_write_size 128k;<br \/>\ngzip on;<br \/>\ngzip_min_length 1k;<br \/>\ngzip_buffers 4 16k;<br \/>\ngzip_http_version 1.0;<br \/>\ngzip_comp_level 2;<br \/>\ngzip_types text\/plain application\/x-javascript text\/css application\/xml;<br \/>\ngzip_vary on;<br \/>\nupstream backend {<br \/>\nserver 192.168.1.17:80;<br \/>\nserver 192.168.1.18:80;<br \/>\n}<br \/>\nserver {<br \/>\nlisten 80;<br \/>\nserver_name hqidi.com;<br \/>\nlocation \/ {<br \/>\nroot \/var\/www\/html ;<br \/>\nindex index.php index.htm index.html;<br \/>\nproxy_redirect off;<br \/>\nproxy_set_header Host $host;<br \/>\nproxy_set_header X-Real-IP $remote_addr;<br \/>\nproxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;<br \/>\nproxy_pass http:\/\/backend;<br \/>\n}<br \/>\nlocation \/nginx {<br \/>\naccess_log off;<br \/>\nauth_basic \"NginxStatus\";<br \/>\n#auth_basic_user_file \/usr\/local\/nginx\/htpasswd;<br \/>\n}<br \/>\nlog_format access '$remote_addr - $remote_user [ $time_local ] \"Srequest\u201d '<br \/>\n'Sstatus $body_bytes_sent \"$http_referer\u201d '<br \/>\n'\"$http_user_agent\" $http_x_forwarded_for';<br \/>\naccess_log \/data\/logs\/access.log access;<br \/>\n}<br \/>\n}<\/p>\n<p>\u8fd9\u91cc\u7b80\u5355\u89e3\u91ca\u914d\u7f6eKeepalived\u6587\u4ef6\u7684\u539f\u7406\uff0c\u5176\u5b9e\u5c31\u662f\u901a\u8fc7Keepalived\u751f\u6210\u4e24\u4e2a\u5b9e\u4f8b\uff0c\u4e24\u53f0Nginx\u4e92\u4e3a\u5907\u4efd\u3002\u5373\u7b2c\u4e00\u53f0\u662f\u7b2c\u4e8c\u53f0\u673a\u5668\u7684\u5907\u673a\uff0c\u800c\u7b2c\u4e8c\u53f0\u673a\u5668\u4e5f\u662f\u7b2c\u4e00\u53f0\u7684\u5907\u673a\uff0c\u800c\u751f\u6210\u7684\u4e24\u4e2aVIP\u5730\u5740\u5206\u522b\u5bf9\u5e94\u7f51\u7ad9\/\/hqidi.com\uff0c\u8fd9\u6837\u5927\u5bb6\u5728\u516c\u7f51\u4e0a\u53ef\u4ee5\u901a\u8fc7DNS\u8f6e\u8be2\u6765\u8bbf\u95ee\u7f51\u7ad9\u3002\u5982\u679c\u4efb\u4f55\u4e00\u53f0Nginx\u673a\u5668\u53d1\u751f\u4ef6\u635f\u574f\uff0cKeepalived\u4f1a\u81ea\u52a8\u5c06\u5b83\u7684VIP\u5730\u5740\u5207\u6362\u5230\u53e6\u4e00\u53f0\u673a\u5668\uff0c\u4e0d\u5f71\u54cd\u5ba2\u6237\u7aef\u7684\u8bbf\u95ee\uff0c\u8fd9\u4e2aLVS+Keepalived\u591a\u5b9e\u4f8b\u7684\u539f\u7406\u662f\u4e00\u6837\u7684\uff0c\u76f8\u4fe1\u5927\u5bb6\u4e5f\u80fd\u660e\u767d\u3002<br \/>\n\u4e3bNginx\u673a\u5668\u4e4b\u4e00\u7684keepalived.conf\u914d\u7f6e\u6587\u4ef6\u5982\u4e0b\uff1a<\/p>\n<p>! Configuration File for keepalived<br \/>\nglobal_defs {<br \/>\nnotification_email {<br \/>\na@b.cn<br \/>\n}<br \/>\nnotification_email_from keepalived0chtopnet.com<br \/>\nsmtp_server 127.0.0.1<br \/>\nsmtp_connect_timeout 30<br \/>\nrouter.id LVS.DEVEL<br \/>\nvrrp_instance VI_1 {<br \/>\nstate MASTER<br \/>\ninterface eth0<br \/>\nvirtual_router_id 51<br \/>\npriority 100<br \/>\nadvert_int 1<br \/>\nauthentication {<br \/>\nauth_type PASS<br \/>\nauth_pass 9527<br \/>\n}<br \/>\nvirtual_ipaddress {<br \/>\n192.168.1.8<br \/>\n}<br \/>\n}<br \/>\nvrrp_instance VI_2 {<br \/>\nstate BACKUP<br \/>\ninterface eth0<br \/>\nvirtual_router_id 52<br \/>\npriority 99<br \/>\nadvert_int 1<br \/>\nauthentication {<br \/>\nauth_type PASS<br \/>\nauth_pass 9527<br \/>\n}<br \/>\nvirtual_ipaddress {<br \/>\n192.168.1.9<br \/>\n}<br \/>\n}<\/p>\n<p>\u53e6\u5916\u4e00\u53f0nginx\u7684keepalived.conf\u7684\u914d\u7f6e\u6587\u4ef6\u5982\u4e0b\uff1a<br \/>\n! Configuration File for keepalived<br \/>\nglobal_defs {<br \/>\nnotification_email {<br \/>\na@b.cn<br \/>\n}<br \/>\nnotification_email_from keepalived0chtopnet.com<br \/>\nsmtp_server 127.0.0.1<br \/>\nsmtp_connect_timeout 30<br \/>\nrouter.id LVS.DEVEL<br \/>\nvrrp_instance VI_1 {<br \/>\nstate BACKUP<br \/>\ninterface eth0<br \/>\nvirtual_router_id 51<br \/>\npriority 99<br \/>\nadvert_int 1<br \/>\nauthentication {<br \/>\nauth_type PASS<br \/>\nauth_pass 9527<br \/>\n}<br \/>\nvirtual_ipaddress {<br \/>\n192.168.1.8<br \/>\n}<br \/>\n}<br \/>\nvrrp_instance VI_2 {<br \/>\nstate MASTER<br \/>\ninterface eth0<br \/>\nvirtual_router_id 52<br \/>\npriority 100<br \/>\nadvert_int 1<br \/>\nauthentication {<br \/>\nauth_type PASS<br \/>\nauth_pass 9527<br \/>\n}<br \/>\nvirtual_ipaddress {<br \/>\n192.168.1.9<br \/>\n}<br \/>\n}<\/p>\n<p>\u542f\u52a8keepalived\u540e\uff0c\u4e24\u53f0nginx\u8d1f\u8f7d\u5747\u8861\u5668\u4e0a\u7528tcpdump\u6293\u5305\uff0c\u6b63\u5e38\u60c5\u51b5\u4e0b\u5b83\u4eec\u90fd\u5e94\u8be5\u5411\u5bf9\u65b9\u53d1\u9001VRRP\u5305\u3002<br \/>\n\u5927\u5bb6\u90fd\u77e5\u9053keepalived\u662f\u5b9e\u73b0\u4e0d\u4e86\u7a0b\u5e8f\u7ea7\u522b\u7684\u9ad8\u53ef\u7528\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u8981\u901a\u8fc7\u811a\u672c\u6765\u5b9e\u73b0nginx\u7684\u9ad8\u53ef\u7528\uff0c\u811a\u672c\/root\/nginxpid.sh\u5185\u5bb9\u5982\u4e0b<\/p>\n<pre class=\"prettyprint\" >\r\n#!\/bin\/bash\r\nwhile :\r\ndo\r\nnginxpid=`pgrep nginx | wc -l`\r\nif [ $nginxpid -eq 0 ];then\r\n\/usr\/local\/nginx\/sbin\/nginx\r\nsleep 5\r\n\r\n  if [ $nginxpid -eq 0 ];then\r\n\/etc\/init.d\/keepalived stop\r\n  fi\r\nfi\r\nsleep 5\r\ndone\r\n<\/pre>\n<p>\u6b63\u5e38\u542f\u52a8\u4e24\u53f0\u4e3bnginx\u7684nginx\u548ckeepalived\u7a0b\u5e8f\u540e\uff0c\u4e24\u53f0\u673a\u5668\u7684\u6b63\u5e38IP\u663e\u793a\u5e94\u8be5\u5982\u4e0b\u6240\u793a\uff1a<br \/>\nip\u4e3a192.168.1.5\u7684\u673a\u5668\u7684ip addr\u547d\u4ee4\u663e\u793a\u7ed3\u679c\uff1a<br \/>\n1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue<br \/>\nlink\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00<br \/>\ninet 127.0.0.1\/8 scope host lo<br \/>\n2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000<br \/>\nlink\/ether 00:0c:29:99:fb:47 brd ff:ff:ff:ff:ff:ff<br \/>\ninet 192.168.1.5\/24 brd 192.168.1.255 scope global eth0<br \/>\n\u3000\u3000inet 192.168.1.8\/32 scope global eth0<\/p>\n<p>IP\u4e3a192.168.1.6\u7684\u673a\u5668\u7684ip addr\u547d\u4ee4\u663e\u793a\u7ed3\u679c\uff1a<br \/>\n1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue<br \/>\nlink\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00<br \/>\ninet 127.0.0.1\/8 scope host lo<br \/>\ninet6 ::1\/128 scope host<br \/>\nvalid_lft forever preferred_lft forever<br \/>\n2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast qlen 1000<br \/>\nlink\/ether 00:0c:29:7d:58:32 brd ff:ff:ff:ff:ff:ff<br \/>\ninet 192.168.1.6\/24 brd 192.168.1.255 scope global eth0<br \/>\ninet 192.168.1.9\/32 scope global eth0<br \/>\ninet6 fe80::20c:29ff:fe7d:585e\/64 scope link<br \/>\nvalid_lft forever preferred_lft forever<\/p>\n<p>\u6d4b\u8bd5\u8fc7\u7a0b\u5982\u4e0b\uff1a<br \/>\n1\uff09\u5206\u522b\u5728\u4e24\u53f0\u4e3bnginx\u4e0akillall\u6389nginx\u8fdb\u7a0b\uff0c\u7136\u540e\u5728\u5ba2\u6237\u7aef\u5206\u522b\u8bbf\u95ee192.168.1.8\u548c192.168.1.9\u8fd9\u4e24\u4e2aIP\uff08\u6a21\u62dfDNS\u8f6e\u8be2\uff09\uff0c\u770b\u80fd\u5426\u6b63\u5e38\u8bbf\u95eeweb\u670d\u52a1\u5668\u3002<br \/>\n2\uff09\u5c1d\u8bd5\u91cd\u542f192.168.1.5\u7684\u4e3bnginx\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u6d4b\u8bd5\u8fc7\u7a0b\u5982\u4e0a\u3002<br \/>\n3\uff09\u5c1d\u8bd5\u91cd\u542f192.168.1.6\u7684\u4e3bnginx\u8d1f\u8f7d\u5747\u8861\u5668\uff0c\u6d4b\u8bd5\u8fc7\u7a0b\u5982\u4e0a\u3002<br \/>\n\u5c1d\u8bd5\u5206\u522b\u5173\u95ed192.168.1.5\u548c192.168.1.6\u7684\u673a\u5668\uff0c\u6d4b\u8bd5\u8fc7\u7a0b\u5982\u4e0a\uff0c\u770b\u662f\u5426\u5f71\u54cd\u7f51\u7ad9\u7684\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n<p>\u76ee\u524d\u6295\u5165\u751f\u4ea7\u8981\u89e3\u51b3\u7684\u95ee\u9898\uff1a<\/p>\n<p>\u27a4\u4e00\u4e3b\u4e00\u5907\u7684\u73af\u5883\u6295\u5165\u751f\u4ea7\u73af\u5883\u65f6\uff0c\u6211\u4eec\u7684nginx\u5907\u673a\u5b8c\u5168\u6ca1\u6709\u5fc5\u8981\u95f2\u7f6e\u6d6a\u8d39\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u6211\u4eec\u7684\u5907\u4efd\u673a\u5668\uff0c\u5982\u679c\u662f\u5c0f\u7f51\u7ad9\uff0c\u6211\u4eec\u5b8c\u5168\u53ef\u4ee5\u7528NFS\u6587\u4ef6\u670d\u52a1\u5668\u4f5c\u4e3anginx\u5907\u673a\u3002\u6b64\u67b6\u6784\u9002\u5408\u4e2d\u5c0f\u578b\u7f51\u7ad9\u5e94\u7528\u3002<br \/>\n\u27a4\u65e5\u5fd7\u6536\u96c6\u7cfb\u7edf\u8981\u91cd\u65b0\u90e8\u7f72\uff0c\u73b0\u5728\u8bbf\u95ee\u65e5\u5fd7\u5206\u5e03\u4e8e\u4e24\u53f0nginx\u8d1f\u8f7d\u5747\u8861\u5668\u4e0a\u3002<br \/>\n\u27a4\u8981\u8003\u8651\u641c\u7d22\u5f15\u64ce\u57df\u540d\u6536\u5f55\u7684\u95ee\u9898\u3002<br \/>\n\u27a4\u8981\u8003\u8651DNS\u8f6e\u8be2\u7684\u95ee\u9898\u3002<br \/>\n\u27a4\u6b64\u7f51\u7ad9\u67b6\u6784\u5b9e\u65bd\u65f6\u4e0d\u8981\u5f71\u54cd\u7f51\u7ad9\u7684\u4e1a\u52a1\u7cfb\u7edf\uff0c\u4e8b\u5b9e\u4e0a\u5f88\u591a\u4e1a\u52a1\u7cfb\u7edf\u5728\u7a0b\u5e8f\u4e0a\u90fd\u505a\u4e86\u9632\u4f5c\u5f0a\u63aa\u65bd\uff0c\u6240\u4ee5\u5728\u5b9e\u65bd\u65f6\u8003\u8651\u95ee\u9898\u4e00\u5b9a\u8981\u5168\u9762\u3002<br \/>\n\u27a4\u8bc1\u4e66\u7684\u95ee\u9898\uff0c\u4e24\u53f0nginx\u8d1f\u8f7d\u5747\u8861\u5668\u90fd\u9700\u8981\u90e8\u7f72\u8bc1\u4e66\u3002<br \/>\n\u27a4nginx\u4e3b\u4e3b\u67b6\u6784\u8f83\u4e4bnginx\u4e3b\u5907\u67b6\u6784\u7ef4\u62a4\u8d77\u6765\u66f4\u4e3a\u590d\u6742\uff0c\u8fd9\u70b9\u5e0c\u671b\u5927\u5bb6\u6ce8\u610f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6bd4\u8f83\u5e38\u89c1\u7684Nginx+Keepalived\u9879\u76ee\u65b9\u6848\u90fd\u91c7\u7528\u7684\u662f\u5355\u4e3bNginx\u5728\u5de5\u4f5c\uff0c\u4eceNginx\u957f\u671f\u5904\u4e8e\u5907\u4efd\u72b6\u6001\uff0c\u6240\u4ee5\u6211\u60f3\u5c06\u4e24\u53f0Nginx\u8d1f\u8f7d\u5747\u8861\u5668\u90fd\u5904\u4e8e\u5de5\u4f5c\u72b6\u6001\uff0c\u5176\u5b9e\u7528Keepalived\u4e5f\u5f88\u5bb9\u6613\u5b9e\u73b0\u3002 Nginx\u4e3b\u4e3b\u67b6\u6784\u670d\u52a1\u5668IP\u5206\u914d\u8868\u5982\u8868\u5982\u4e0b\u6240\u793a\u3002 Nginx\u548cKeepalived\u7684\u5b89\u88c5\u6bd4\u8f83\u7b80\u5355\uff0c\u8fd9\u91cc\u5c31\u4e0d\u91cd\u590d\u4e86\uff0c\u8fd9\u91cc\u9644\u4e0a\u4e24\u53f0 Nginx\u8d1f\u8f7d\u5747\u8861\u5668\u7684ngi...<\/p>\n<a class=\"read-more\" href=\"https:\/\/hqidi.com\/61.html\">\u9605\u8bfb\u5168\u6587 &raquo;<\/a>","protected":false},"author":1,"featured_media":3011,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[39],"class_list":["post-61","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-study","tag-nginx"],"_links":{"self":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/61"}],"collection":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/comments?post=61"}],"version-history":[{"count":1,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/61\/revisions"}],"predecessor-version":[{"id":3012,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/posts\/61\/revisions\/3012"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/media\/3011"}],"wp:attachment":[{"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/media?parent=61"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/categories?post=61"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hqidi.com\/wp-json\/wp\/v2\/tags?post=61"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}