来一发Haproxy+Keepalived设置WEB负载平衡及动态分别 - 仓酷云

[root@lamp~]#yum-yinstallhttpdphpmysql-server######创立测试页[root@lamp~]#vim/var/www/html/index.php<h1>LAMP:172.16.14.5</h1><?phpphpinfo();[root@lamp~]#servicehttpdstart[root@lamp~]#chkconfighttpdon

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[root@WEB1~]#yum-yinstallhttpd[root@WEB1~]#servicehttpdstart[root@WEB1~]#chkconfighttpdon[root@WEB1~]#echo"<h1>WEB1:172.16.14.3</h1>">/var/www/html/index.html

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[root@WEB2~]#yum-yinstallhttpd[root@WEB2~]#servicehttpdstart[root@WEB2~]#chkconfighttpdon[root@WEB2~]#echo"<h1>WEB2:172.16.14.4</h1>">/var/www/html/index.html

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######装置开辟情况[root@HA1~]#yum-yinstallgccgcc-c++[root@HA1~]#tarxfhaproxy-1.4.24.tar.gz[root@HA1~]#cdhaproxy-1.4.24[root@HA1haproxy-1.4.24]#uname-r2.6.32-358.el6.x86_64[root@HA1haproxy-1.4.24]#makeTARGET=linux26ARCH=x86_64[root@HA1haproxy-1.4.24]#makeinstall######正文：TARGET指定内核版本，而uname-r是检察内核版本；ARCH指定CPU架构----------------------------------------------------------------------######为Haproxy供应主设置文件与办事剧本，并将其增加到体系办事[root@HA1haproxy-1.4.24]#mkdir/etc/haproxy[root@HA1haproxy-1.4.24]#cpexamples/haproxy.cfg/etc/haproxy[root@HA1haproxy-1.4.24]#cpexamples/haproxy.init/etc/init.d/haproxy[root@HA1haproxy-1.4.24]#ln-s/usr/local/sbin/haproxy/usr/sbin/haproxy[root@HA1haproxy-1.4.24]#chmod+x/etc/init.d/haproxy[root@HA1haproxy-1.4.24]#chkconfig--addhaproxy

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######创立Haproxy的事情目次[root@HA1~]#mkdir/usr/share/haproxy[root@HA1~]#vim/etc/haproxy/haproxy.cfg#thisconfigneedshaproxy-1.1.28orhaproxy-1.2.1globallog127.0.0.1local0#日记设置，一切日记都纪录在当地,经由过程local0输入log127.0.0.1local1noticemaxconn25600#最年夜毗连数chroot/usr/share/haproxy#改动Haproxy的事情目次uid99#用户的UIDgid99#用户的GIDnbproc1#历程数据(能够设置多个)daemon#今后台保卫历程体例运转Haproxy#debug#是不是开启调试defaultslogglobalmodehttp#默许利用协定,能够为{http|tcp|health}http:是七层协定tcp:是四层health：只前往OKoptionhttplog#具体纪录http日记optiondontlognull#不纪录安康反省的日记信息retries3#3次毗连失利则以为办事不成用optionredispatch#ServerID对应的办事器宕机后，强迫定向到其他运转一般的办事器maxconn30000#默许的最年夜毗连数contimeout5000#毗连超时clitimeout50000#客户端超时srvtimeout50000#办事器超时timeoutcheck1s#心跳检测超时timeouthttp-request10s#默许http哀求超不时间timeoutqueue1m#默许行列超不时间timeoutconnect10s#默许毗连超不时间timeoutclient1m#默许客户端超不时间timeoutserver1m#默许办事器超不时间timeouthttp-keep-alive10s#默许耐久毗连超不时间listenstatsmodehttpbind0.0.0.0:8090#指定IP地点与Portstatsenable#开启Haproxy统计形态statsrefresh3s#统计页面主动革新工夫距离statshide-version#形态页面不显现版本号statsuri/allen#统计页面的uri为"/allen"statsrealmHaproxyallen#统计页面认证时提醒内容信息statsauthadmin:admin#统计页面的用户名与暗码statsadminifTRUE#启用或禁用形态页面frontendallen#界说前端办事器bind*:80modehttpoptionhttpclose#每次哀求完成自动封闭http毗连optionforwardfor#后端办事器猎取客户真个IP地点，能够从httpheader中猎取aclurl_staticpath_end-i.html.jpg.gif#界说ACL划定规矩以如".html"开头的文件；-i：疏忽巨细写aclurl_dynamicpath_end-i.phpdefault_backendwebservers#客户端会见时默许挪用后端办事器地点池use_backendlampifurl_dynamic#挪用后端办事器并反省ACL划定规矩是不是被婚配backendwebservers#界说后端办事器balanceroundrobin#界说算法;基于权重举行轮询serverweb1172.16.14.3:80checkrise2fall1weight2serverweb2172.16.14.4:80checkrise2fall1weight2backendlampbalancesource#界说算法;源地点hash运算；相似于Nginx的ip_hashserverlamp172.16.14.5:80checkrise2fall1----------------------------------------------------------------------#####正文：check:启动对后端server的安康形态检测；rise：离线的server转换到一般形态乐成反省的次数；fall:确认server从一般形态转换为不成用形态必要反省的次数；weight：权重，数目越年夜，超重越高

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[root@HA1~]#servicehaproxystart

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[root@HA1~]#yum-yinstallkeepalived[root@HA2~]#yum-yinstallkeepalived

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[root@HA1~]#vim/etc/keepalived/keepalived.conf!ConfigurationFileforkeepalivedglobal_defs{notification_email{root@localhost}notification_email_fromadmin@allen.comsmtp_server127.0.0.1smtp_connect_timeout30router_idLVS_ALLEN}vrrp_scriptchk_proess{script"killall-0haproxy"interval1weight-2}vrrp_instanceha_1{stateMASTERinte***ceeth0virtual_router_id56priority100advert_int1authentication{auth_typePASSauth_pass1056}virtual_ipaddress{172.16.14.10}track_script{chk_proess}}vrrp_instanceha_2{stateBACKUPinte***ceeth0virtual_router_id58priority92advert_int1authentication{auth_typePASSauth_pass1058}virtual_ipaddress{172.16.14.11}}

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[root@HA2~]#vim/etc/keepalived/keepalived.conf!ConfigurationFileforkeepalivedglobal_defs{notification_email{root@localhost}notification_email_fromadmin@allen.comsmtp_server127.0.0.1smtp_connect_timeout30router_idLVS_ALLEN}vrrp_scriptchk_proess{script"killall-0haproxy"interval1weight-2}vrrp_instanceha_1{stateBACKUPinte***ceeth0virtual_router_id56priority99advert_int1authentication{auth_typePASSauth_pass1056}virtual_ipaddress{172.16.14.10}}vrrp_instanceha_2{stateMASTERinte***ceeth0virtual_router_id58priority93advert_int1authentication{auth_typePASSauth_pass1058}virtual_ipaddress{172.16.14.11}track_script{chk_proess}}

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[root@HA1~]#servicekeepalivedstart[root@HA1~]#ipaddrshoweth02:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:0c:29:2c:1a:24brdff:ff:ff:ff:ff:ffinet172.16.14.1/16brd172.16.255.255scopeglobaleth0inet172.16.14.10/32scopeglobaleth0inet6fe80::20c:29ff:fe2c:1a24/64scopelinkvalid_lftforeverpreferred_lftforever------------------------------------------------------------------------[root@HA2~]#servicekeepalivedstart[root@HA2~]#ipaddrshoweth02:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:0c:29:ec:f6:3fbrdff:ff:ff:ff:ff:ffinet172.16.14.2/16brd172.16.255.255scopeglobaleth0inet172.16.14.11/32scopeglobaleth0inet6fe80::20c:29ff:feec:f63f/64scopelinkvalid_lftforeverpreferred_lftforever

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[root@WEB1~]#yum-yinstallhttpd[root@WEB1~]#servicehttpdstart[root@WEB1~]#chkconfighttpdon[root@WEB1~]#echo"<h1>WEB1:172.16.14.3</h1>">/var/www/html/index.html0

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