平台: Mac
工具: Vagrant
系统: CentOS6.5
四台虚拟机
192.168.31.103 负载均衡器 安装keepalived+haproxy master
192.168.31.104 负载均衡器 安装keepalived+haproxy slave
192.168.31.110 webserver1 安装apache
192.168.31.111 webserver2 安装apache
vagrant init base
Vagrantfile配置
config.vm.define "web1" do |web1| #第一台web服务器
web1.vm.network "public_network", ip: "192.168.31.110"
web1.vm.hostname = "web1"
end
config.vm.define "web2" do |web2| #第二台web服务器
web2.vm.network "public_network", ip: "192.168.31.111"
web2.vm.hostname = "web2"
end
config.vm.define "lb1" do |lb1| #第一台负载均衡器
lb1.vm.network "public_network", ip: "192.168.31.103"
lb1.vm.hostname = "lb1"
end
config.vm.define "lb2" do |lb2| #第二台负载均衡器
lb2.vm.network "public_network", ip: "192.168.31.104"
lb2.vm.hostname = "lb2"
end
vagrant up
连接到两台web服务器, yum安装httpd, 启动服务, 添加一个首页, 访问测试
vagrant ssh web1
sudo su -
service iptables stop
chkconfig iptables off
yum -y install httpd
service httpd start
echo "web1 index" >> /var/www/html/index.html
访问首页查看: http://192.168.31.110/
第二台web服务器一样的操作
开始lb1的keepalive安装与配置
vagrant ssh lb1
sudo su -
service iptables stop
chkconfig iptables off
yum install -y libnl-devel libnl openssl openssl-devel
wget http://www.keepalived.org/software/keepalived-1.2.13.tar.gz
tar -zxvf keepalived-1.2.13.tar.gz
cd keepalived-1.2.13
./configure
make && make install
cp /usr/local/sbin/keepalived /usr/sbin/
cp /usr/local/etc/sysconfig/keepalived /etc/sysconfig/
cp /usr/local/etc/rc.d/init.d/keepalived /etc/init.d/
mkdir /etc/keepalived
vi /etc/keepalived/keepalived.conf
```
! Configuration File for keepalived
global_defs {
notification_email {
[email protected]
}
notification_email_from [email protected]
smtp_server smtp.qq.com
smtp_connect_timeout 30
router_id LVS_DEVEL
}
vrrp_instance VI_1 {
state MASTER #备份服务器上将MASTER改为BACKUP
interface eth1 #该处每个机器可能不同 ip addr 查看选择相应的
virtual_router_id 51
mcast_src_ip 192.168.31.103 #selfip
priority 100 # 备份服务上将100改为90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
virtual_ipaddress {
192.168.31.188 #(如果有多个VIP,继续换行填写.选定vip之前 ping 一下ping不通则可用)
}
}
```
service keepalived start
从机一样操作, 配置文件需要按注释修改
安装haproxy
国内下载不了, 开启VPN
wget http://www.haproxy.org/download/1.5/src/haproxy-1.5.12.tar.gz
tar -axvf haproxy-1.5.12.tar.gz
cd haproxy-1.5.12
make TARGET=linux26 PREFIX=/usr/local/haproxy
make install PREFIX=/usr/local/haproxy
cd /usr/local/haproxy && mkdir conf && cd conf && vi haproxy.conf
主机配置
```
global
log 127.0.0.1 local0
maxconn 4096
chroot /usr/local/haproxy
uid 99
gid 99
daemon
nbproc 1
pidfile /usr/local/haproxy/haproxy.pid
#debug
defaults
log 127.0.0.1 local3
mode http
option httplog
option httpclose
option forwardfor
#option forwardfor header cral
option redispatch
retries 2
maxconn 2000
#balance source
balance roundrobin # static-rr leastconn first source
stats uri /haproxy-stats
stats auth admin:123456
timeout connect 5000
timeout client 50000
timeout server 50000
listen web_proxy 192.168.31.188:80
server web1 192.168.31.110:80
server web2 192.168.31.111:80
```
启动
/usr/local/haproxy/sbin/haproxy -f /usr/local/haproxy/conf/haproxy.conf
从机配置
```
global
log 127.0.0.1 local0
maxconn 4096
chroot /usr/local/haproxy
uid 99
gid 99
daemon
nbproc 1
pidfile /usr/local/haproxy/haproxy.pid
#debug
defaults
log 127.0.0.1 local3
mode http
option httplog
option httpclose
option forwardfor
#option forwardfor header cral
option redispatch
retries 2
maxconn 2000
#balance source
balance roundrobin # static-rr leastconn first source
stats uri /haproxy-stats
stats auth admin:123456
timeout connect 5000
timeout client 50000
timeout server 50000
listen web_proxy 0.0.0.0:80
server web1 192.168.31.110:80
server web2 192.168.31.111:80
```
/usr/local/haproxy/sbin/haproxy -f /usr/local/haproxy/conf/haproxy.conf
参考地址: 排错url http://www.linuxidc.com/Linux/2015-03/114981.htm
keepalive+haproxy实验
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转载自duchengjiu.iteye.com/blog/2225084
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