haproxy的安装-创新互联

1.基础安装

成都创新互联公司专注于网站建设|企业网站维护|优化|托管以及网络推广，积累了大量的网站设计与制作经验，为许多企业提供了网站定制设计服务，案例作品覆盖汽车玻璃修复等行业。能根据企业所处的行业与销售的产品，结合品牌形象的塑造，量身开发品质网站。yum install pcre pcre-devel openssl openssl-devel tar xf haproxy-1.7.1.tar.gz cd haproxy-1.7.1 make TARGET=linux2628 USE_PCRE=1 USE_OPENSSL=1 USE_ZLIB=1 PREFIX=/usr/local/haproxy make install PREFIX=/usr/local/haproxy cd examples/ cp haproxy.init /etc/init.d/haproxy chmod +x /etc/init.d/haproxy

2.本机IP：192.168.56.15

http://192.168.56.15:9999/haproxy-status

haproxy 的安装

3.对后端代理

haproxy 的安装

[root@bogon examples]# cat /etc/haproxy/haproxy.cfg global maxconn 100000 chroot /usr/local/haproxy uid 99 gid 99 daemon nbproc 1 pidfile /usr/local/haproxy/logs/haproxy.pid log 127.0.0.1 local0 info defaults option http-keep-alive maxconn 100000 mode http timeout connect 300000ms timeout client 300000ms timeout server 300000ms listen stats mode http bind 0.0.0.0:9999 stats enable log global stats uri /haproxy-status stats auth haadmin:123456 listen web_port bind 0.0.0.0:80 mode tcp #tcp的方式 log global server web1 192.168.56.12:80 check inter 2000 fall 15 rise 10 server web2 192.168.56.16:80 check inter 2000 fall 15 rise 10 [root@bogon examples]# /etc/init.d/haproxy restart #inter是监控检查时间间隔，即每间隔2秒进行一次检查， rise是连续检查10次失败后将服务器从负载删除， fall是连续15次监控检查成功后重新添加至负载，一般fall大于rise几次，

haproxy 的安装

[root@bogon html]# curl 192.168.56.15 192.168.56.12 web1 [root@bogon html]# curl 192.168.56.15 192.168.56.16 web2 [root@bogon html]# curl 192.168.56.15 192.168.56.12 web1 [root@bogon html]# curl 192.168.56.15 192.168.56.16 web2 [root@bogon html]# curl 192.168.56.15 192.168.56.12 web1 [root@bogon html]# curl 192.168.56.15 192.168.56.16 web2 [root@bogon html]# curl 192.168.56.15 192.168.56.12 web1 [root@bogon html]# curl 192.168.56.15 192.168.56.16 web2 [root@bogon html]# curl 192.168.56.15 192.168.56.12 web1 [root@bogon html]# curl 192.168.56.15 192.168.56.16 web2 [root@bogon html]#

查看负载状况

haproxy 的安装

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haproxy调度算法

HAProxy的算法有如下8种： roundrobin，表示简单的轮询， static-rr，表示根据权重，建议关注； leastconn，表示最少连接者先处理，建议关注； source，表示根据请求源IP，建议关注； uri，表示根据请求的URI； url_param，表示根据请求的URl参数'balanceurl_param' requires an URL parameter name hdr(name)，表示根据HTTP请求头来锁定每一次HTTP请求； rdp-cookie(name)，表示根据据cookie(name)来锁定并哈希每一次TCP请求。

haproxy的摘除节点的 yum安装的

global maxconn 100000 chroot /var/lib/haproxy user haproxy group haproxy daemon nbproc 1 pidfile /usr/local/haproxy/logs/haproxy.pid stats socket /var/lib/haproxy.sock mode 600 level admin log 127.0.0.1 local10 info defaults option http-keep-alive maxconn 100000 mode http timeout connect 5000ms timeout client 50000ms timeout server 50000ms listen stats mode http bind 0.0.0.0:8888 stats enable stats uri /haproxy-status stats auth haproxy:saltstack frontend frontend_www_example_com bind 192.168.56.21:80 mode http option httplog log global default_backend backend_www_example_com backend backend_www_example_com option forwardfor header X-REAL-IP option httpchk HEAD / HTTP/1.0 balance roundrobin server web-node1 192.168.56.11:8080 check inter 2000 rise 30 fall 15 server web-node2 192.168.56.12:8080 check inter 2000 rise 30 fall 15 [root@web-node1 ~]#

haproxy 的安装

这样就能吧haproxy的节点删除或者增加

echo "disable server backend_www_example_com/web-node1" | socat /var/lib/haproxy.sock stdio echo "enable server backend_www_example_com/web-node1" | socat /var/lib/haproxy.sock stdio

haproxy 的安装

haproxy增加日志的功能

mkdir /var/log/haproxy chmod a+w /var/log/haproxy /etc/rsyslog.conf 打开选项： $ModLoad imudp $UDPServerRun 514 # Save haproxy log local0.* /var/log/haproxy/haproxy.log vim /etc/sysconfig/rsyslog [root@web-node1 nginx]# cat /etc/sysconfig/rsyslog # Options for rsyslogd # Syslogd options are deprecated since rsyslog v3. # If you want to use them, switch to compatibility mode 2 by "-c 2" See rsyslogd(8) for more details SYSLOGD_OPTIONS="-r -m 0 -c 2" #修改此处 [root@web-node1 nginx]#

haproxy 的安装

haproxy日志里面的localhost 和配置文件有关这个IP可以修改

log 127.0.0.1 local10 info

3.集群配置

haproxy 的安装

192.168.56.11 nginx 反向代理 keepalived haproxy

192.168.56.12 nginx 反向代理 keepalived haproxy

192.168.56.13 nginx 模拟tomcat

192.168.56.14 nginx 模拟tomcat

keepalived的VIP为192.168.56.21

问题：haproxy 不会绑定不存在的VIP 所以启动不起来 so,这样可以绑定不存在的VIP

echo 1 > /proc/sys/net/ipv4/ip_nonlocal_bind

vi /etc/sysctl.conf sysctl -p

net.ipv4.ip_nonlocal_bind = 1
开启允许绑定非本机的IP

查看keepalived的配置文件192.168.56.11（主）

[root@web-node1 nginx]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { notification_email { saltstack@example.com } notification_email_from keepalived@example.com smtp_server 127.0.0.1 smtp_connect_timeout 30 router_id haproxy_ha } vrrp_instance haproxy_ha { state MASTER interface eth0 virtual_router_id 36 priority 150 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.56.21 } } [root@web-node1 nginx]#

查看keepalived的配置文件192.168.56.12（备）

[root@web-node2 ~]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { notification_email { saltstack@example.com } notification_email_from keepalived@example.com smtp_server 127.0.0.1 smtp_connect_timeout 30 router_id haproxy_ha } vrrp_instance haproxy_ha { state BACKUP interface eth0 virtual_router_id 36 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.56.21 } } [root@web-node2 ~]#

查看192.168.56.11 haproxy的配置文件

[root@web-node2 ~]# cat /etc/haproxy/haproxy.cfg global maxconn 100000 chroot /var/lib/haproxy user haproxy group haproxy daemon nbproc 1 pidfile /usr/local/haproxy/logs/haproxy.pid stats socket /var/lib/haproxy.sock mode 600 level admin log 127.0.0.1 local3 info defaults option http-keep-alive maxconn 100000 mode http timeout connect 5000ms timeout client 50000ms timeout server 50000ms listen stats mode http bind 0.0.0.0:8888 stats enable stats uri /haproxy-status stats auth haproxy:saltstack frontend frontend_www_example_com bind 192.168.56.21:80 mode tcp option httplog log global default_backend backend_www_example_com backend backend_www_example_com option forwardfor header X-REAL-IP option httpchk HEAD / HTTP/1.0 balance roundrobin server web-node1 192.168.56.11:8080 check inter 2000 rise 30 fall 15 server web-node2 192.168.56.12:8080 check inter 2000 rise 30 fall 15 [root@web-node2 ~]#

查看192.168.56.12 haproxy的配置文件

[root@web-node1 nginx]# cat /etc/haproxy/haproxy.cfg global maxconn 100000 chroot /var/lib/haproxy user haproxy group haproxy daemon nbproc 1 pidfile /usr/local/haproxy/logs/haproxy.pid stats socket /var/lib/haproxy.sock mode 600 level admin #log 127.0.0.1 local3 info log 192.168.56.21 local0 debug defaults option http-keep-alive maxconn 100000 mode http timeout connect 5000ms timeout client 50000ms timeout server 50000ms listen stats mode http bind 0.0.0.0:8888 stats enable stats uri /haproxy-status stats auth haproxy:saltstack frontend frontend_www_example_com bind 192.168.56.21:80 mode http option httplog log global default_backend backend_www_example_com backend backend_www_example_com option forwardfor header X-REAL-IP option httpchk HEAD / HTTP/1.0 balance roundrobin server web-node1 192.168.56.11:8080 check inter 2000 rise 30 fall 15 server web-node2 192.168.56.12:8080 check inter 2000 rise 30 fall 15 [root@web-node1 nginx]#

查看192.168.56.11的nginx反向代理的配置文件(最简单的配置 demo)

[root@web-node1 nginx]# cat /etc/nginx/nginx.conf worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; upstream server_pools { server 192.168.56.13:8080 weight=1; server 192.168.56.14:8080 weight=1; } server { listen 192.168.56.11:8080; server_name blog.liuhaixiao.com; location / { proxy_pass http://server_pools; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $remote_addr; } } } [root@web-node1 nginx]#

查看192.168.56.12的nginx反向代理的配置文件(最简单的配置 demo)

[root@web-node2 ~]# cat /etc/nginx/nginx.conf worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; upstream server_pools { server 192.168.56.13:8080 weight=1; server 192.168.56.14:8080 weight=1; } server { listen 192.168.56.12:8080; server_name blog.liuhaixiao.com; location / { proxy_pass http://server_pools; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $remote_addr; } } } [root@web-node2 ~]#查看192.168.56.13的nginx web容器 [root@web-node3 html]# cat /usr/share/nginx/html/index.html node-2 查看192.168.56.14的nginx web容器 [root@web-node4 html]# cat /usr/share/nginx/html/index.html node-1

检查VIP zai 192.168.56.11上面

[root@web-node1 nginx]# ip addr 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether 00:0c:29:10:66:98 brd ff:ff:ff:ff:ff:ff inet 192.168.56.11/24 brd 192.168.56.255 scope global eth0 valid_lft forever preferred_lft forever inet 192.168.56.21/32 scope global eth0 valid_lft forever preferred_lft forever inet6 fe80::20c:29ff:fe10:6698/64 scope link valid_lft forever preferred_lft forever [root@web-node1 nginx]#

现在把本地的电脑blog.liuhaixiao.com 解析到192.168.56.21上面去

haproxy 的安装

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新添加：192.168.56.15 增加一个nginx 域名

haproxy 监听80端口 nginx 监听的端口千万不能和后端tomcat一样否则回包回不来

[root@web-node1 ~]# cat /etc/nginx/nginx.conf worker_processes 1; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; upstream server_pools { server 192.168.56.13:8080 weight=1; server 192.168.56.14:8080 weight=1; } upstream server_tt { server 192.168.56.15:8080 weight=1; } server { listen 81; server_name blog.liuhaixiao.com; location / { proxy_pass http://server_pools; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $remote_addr; } } server { listen 81; server_name blog.sanlang.com; location / { proxy_pass http://server_tt; proxy_set_header Host $host; proxy_set_header X-Forwarded-For $remote_addr; } } } [root@web-node1 ~]#

haproxy 的安装

3是另外一台服务器的192.168.56.15 tomcat/nginx 的页面

haproxy 的安装

haproxy具体参数请参考：

http://www.cnblogs.com/zhang789/p/6057402.html

haproxy:多域名参考

基于域名负载均衡的Haproxy配置

http://blog.csdn.net/youyudehexie/article/details/7606504

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