下文給大家?guī)鞨aproxy+keepalived如何實現(xiàn)sphinx高可用負載均衡詳解，希望能夠給大家在實際運用中帶來一定的幫助，負載均衡涉及的東西比較多，理論也不多，網(wǎng)上有很多書籍，今天我們就用創(chuàng)新互聯(lián)在行業(yè)內(nèi)累計的經(jīng)驗來做一個解答。

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Haproxy+keepalived實現(xiàn)sphinx高可用負載均衡  

環(huán)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.解決辦法：
# apt-get install libssl-dev
configure: error: Popt libraries is required
解決辦法：
# apt-get install libpopt-dev
configure: WARNING: keepalived will be built without libnl support.
解決辦法：
# 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’
解決辦法：
# vim ./keepalived/libipvs-2.6/ip_vs.h
將#include <linux/types.h>移動到#include <sys/types.h>后面去。

# ./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

看了以上關(guān)于Haproxy+keepalived如何實現(xiàn)sphinx高可用負載均衡詳解，如果大家還有什么地方需要了解的可以在創(chuàng)新互聯(lián)行業(yè)資訊里查找自己感興趣的或者找我們的專業(yè)技術(shù)工程師解答的，創(chuàng)新互聯(lián)技術(shù)工程師在行業(yè)內(nèi)擁有十幾年的經(jīng)驗了。

 

本文題目：Haproxy+keepalived如何實現(xiàn)sphinx高可用負載均衡詳解
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