Haproxy+keepalived如何实现sphinx高可用负载均衡详解
下文给大家带来Haproxy+keepalived如何实现sphinx高可用负载均衡详解，希望能够给大家在实际运用中带来一定的帮助，负载均衡涉及的东西比较多，理论也不多，网上有很多书籍，今天我们就用创新互联在行业内累计的经验来做一个解答。
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Haproxy+keepalived实现sphinx高可用负载均衡
环境如下：
【node3】
haproxy：192.168.1.189
【node4】
haproxy：192.168.1.103
vip：192.168.1.222/192.168.1.223
# apt-get install ipvsadm
# apt-get install linux-headers-$(uname -r)
# ln -s /usr/src/linux-headers-2.6.32-33 /usr/src/linux
# wget http://www.keepalived.org/software/keepalived-1.2.2.tar.gz
# tar zxvf keepalived-1.2.2.tar.gz -C ../software/
# ./configure --prefix=/usr/local/keepalived-1.2.2
configure: error:!!! OpenSSL is not properly installed on your system. !!!!!! Can not include OpenSSL headers files.解决办法：
# apt-get install libssl-dev
configure: error: Popt libraries is required
解决办法：
# apt-get install libpopt-dev
configure: WARNING: keepalived will be built without libnl support.
解决办法：
# apt-get install libnl-dev
/usr/include/stdint.h:41: error: conflicting types for ‘int64_t’
/usr/src/linux/include/linux/types.h:125: error: previous declaration of ‘int64_t’ was here
/usr/include/stdint.h:56: error: conflicting types for ‘uint64_t’
解决办法：
# vim ./keepalived/libipvs-2.6/ip_vs.h
将#include
# ./configure --prefix=/usr/local/keepalived-1.2.2
Keepalived configuration
------------------------
Keepalived version : 1.2.2
Compiler : gcc
Compiler flags : -g -O2
Extra Lib : -lpopt -lssl -lcrypto -lnl
Use IPVS Framework : Yes
IPVS sync daemon support : Yes
IPVS use libnl : Yes
Use VRRP Framework : Yes
Use Debug flags : No
# make
# make install
# vim /etc/sysctl.conf
net.ipv4.ip_nonlocal_bind=1
# sysctl -p
【node3】
global_defs {
router_id LVS_DEVEL
}
vrrp_script chk_haproxy {
script "/usr/local/scripts/chk_haproxy.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 76
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
track_script {
chk_haproxy
}
virtual_ipaddress {
192.168.1.222
}
}
vrrp_instance VI_2 {
state BACKUP
interface eth0
virtual_router_id 77
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
track_script {
chk_haproxy
}
virtual_ipaddress {
192.168.1.223
}
}
【node4】
global_defs {
router_id LVS_DEVEL
}
vrrp_script chk_haproxy {
script "/usr/local/scripts/chk_haproxy.sh"
interval 2
weight 2
}
vrrp_instance VI_1 {
state BACKUP
interface eth0
virtual_router_id 76
priority 100
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
track_script {
chk_haproxy
}
virtual_ipaddress {
192.168.1.222
}
}
vrrp_instance VI_2 {
state MASTER
interface eth0
virtual_router_id 77
priority 150
advert_int 1
authentication {
auth_type PASS
auth_pass 123456
}
track_script {
chk_haproxy
}
virtual_ipaddress {
192.168.1.223
}
}
# vim chk_haproxy.sh
#!/bin/bash
STATUS=`netstat -nptl | grep haproxy | grep 3312 | wc -l`
if [ "$STATUS" -eq "0" ]; then
/usr/local/haproxy-1.4.18/sbin/haproxy -f /usr/local/haproxy-1.4.18/haproxy.conf
STATUS2=`netstat -nptl | grep haproxy | grep 3312 | wc -l`
if [ "$STATUS2" -eq "0" ]; then
kill -9 $(ps -ef | grep keepalived | grep -v grep | awk '{print $2}')
fi
fi
看了以上关于Haproxy+keepalived如何实现sphinx高可用负载均衡详解，如果大家还有什么地方需要了解的可以在创新互联行业资讯里查找自己感兴趣的或者找我们的专业技术工程师解答的，创新互联技术工程师在行业内拥有十几年的经验了。
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