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Keepalived+Freeswitch安装

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1.yum安装

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yum install -y curl gcc openssl-devel libnl3-devel net-snmp-devel	#安装依赖环境
yum install -y keepalived	#安装keepalived

2.修改配置文件

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vim /etc/keepalived/keepalived.conf		#打开编辑配置文件

#文件内容如下#
global_defs {
   router_id LB01
   script_user root
   enable_script_security
}

vrrp_script chk_fs {
    script "/etc/keepalived/check-freeswitch.sh"	#freeswitch检测脚本
    interval 60		#脚本检测周期,单位:s
    weight 2
}

vrrp_instance VI_1 {
    state BACKUP
    interface eno2		#绑定为当前虚拟路由器使用的物理接口
    virtual_router_id 51		#当前虚拟路由器的惟一标识，范围是0-255
    priority 150		#当前主机在此虚拟路径器中的优先级；范围1-254
    nopreempt		#非抢占模式配置
    advert_int 3		#vrrp通告的时间间隔
    authentication {
        auth_type PASS
        auth_pass 1111
    }

    virtual_ipaddress {
        192.168.200.101/29 label eno2:0
    }

    notify_master "/etc/keepalived/retart-freeswitch.sh"		#晋升MASTER执行freeswitch重启脚本

    track_script {
        chk_fs
    }
}

3.编辑freeswitch检测脚本

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vim /etc/keepalived/check-freeswitch.sh		#打开编辑脚本内容

#文件内容如下#
#!/bin/bash
#需要监控的内部网关
VIP=192.168.200.101
#需要监控的内部网关
gateways=("internal" "56335845")

for element in ${gateways[*]}
do
        runningNum=`docker exec freeswitch sh -c "fs_cli -x 'sofia xmlstatus'" | grep "<name>$element</name>" | wc -l`
        if [ $runningNum -lt 1 ]
        then
                check_status=0
                echo "$check_status" > /etc/keepalived/freeswitch-status.txt
                docker stop freeswitch
                break
        else
                check_status=1
                echo "$check_status" > /etc/keepalived/freeswitch-status.txt
        fi
done
#监控freeswitch，若非正常运行，则通过重启keepalived转移IP
#check_status=`cat /etc/keepalived/freeswitch-status.txt`
if [ $check_status -eq 1 ]
then
        exit
else
        if [ `ifconfig | grep "$VIP" |wc -l` -eq 1 ]
        then
                service keepalived restart
        else
                exit
        fi
fi

4.编辑freeswitch重启脚本

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vim /etc/keepalived/retart-freeswitch.sh	#打开编辑脚本内容

#文件内容如下#
#!/bin/bash
if [ `docker ps -a |grep freeswitch |wc -l` -eq 1 ]
then
        docker restart freeswitch
else
        docker run --net=host --name freeswitch -e SOUND_RATES=8000:16000 -v freeswitch-sounds:/usr/share/freeswitch/sounds -v /etc/freeswitch/:/etc/freeswitch safarov/freeswitch
fi

5.启动keepalived

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service keepalived start

6.查看vip是否正常监听

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ifconfig

#vip监听信息如下#
eno2:0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.200.101  netmask 255.255.255.248  broadcast 0.0.0.0
        ether ac:1f:6b:a0:82:85  txqueuelen 1000  (Ethernet)
        device memory 0xfb100000-fb11ffff