搭建SRS4.0视频流高可用集群服务
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搭建SRS4.0视频流高可用集群服务

方案

image-20220616093902416

设备ip 功能 备注
10.80.210.103(主)/10.80.210.104(从) 指向源站–>nginx+keepalive+vip vip:10.80.210.213
10.80.210.105/10.80.210.106 源站集群 后期可扩展
10.80.210.107/10.80.210.108 边缘集群 后期可扩展
10.80.210.109(主)/10.80.210.110(从) 指向边缘–>nginx+keepalive+vip vip:1080.210.214

参考:https://mp.weixin.qq.com/s/pd9YQS0WR3hSuHybkm1F7Q (最佳实践:如何扩展你的SRS并发能力)

参考:官方github:https://github.com/ossrs/srs/wiki/v4_CN_Home

指向源站–nginx+keepalive+vip的安装和配置

nginx安装和配置,主从服务都需要安装

安装版本为:nginx-1.22.0-1.el7.ngx.x86_64.rpm

nginx配置

vi /etc/nginx/nginx.conf 新增如下信息:

stream {
    # 添加socket转发的代理
    upstream socket_proxy {
        hash $remote_addr consistent;
        # 转发的目的地址和端口
        server 10.80.210.105:1935 weight=5 max_fails=3 fail_timeout=30s;
        server 10.80.210.106:1935 weight=5 max_fails=3 fail_timeout=30s;
    }
    # 提供转发的服务,即访问localhost:1935,会跳转至代理socket_proxy指定的转发地址
    server {
       listen 1935;
       proxy_connect_timeout 1s;
       proxy_timeout 3s;
       proxy_pass socket_proxy;
    }
}

image-20220616094918858

启动、开机自启服务

systemctl start nginx
systemctl enable nginx

keepalived安装和配置

安装keepalived

yum install -y keepalived

修改配置文件

cp /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak

vi /etc/keepalived/keepalived.conf

主服务的配置文件信息:
global_defs {
   # 路由id:当前安装keepalived的节点主机标识符,保证全局唯一
   router_id keep_host103
   #vrrp_skip_check_adv_addr
   #vrrp_strict
   #vrrp_garp_interval 0
   #vrrp_gna_interval 0
}

vrrp_script check_web {
    script "/etc/keepalived/check_web.sh"    # 脚本存放的位置
    interval 2     # 每隔两秒运行上一行脚本
    weight -20     # 如果脚本运行成功,则升级权重-20,自动切换到备
}


vrrp_instance VI_1 {
        # 主机=MASTER;备用机=BACKUP
    state MASTER
        # 该实例绑定的网卡名称
    interface ens192
        # 保证主备节点一致
    virtual_router_id 51
        # 权重,master值 > backup值
    priority 100
        # 主备组播报发送间隔时间1秒
    advert_int 1
        # 认证权限密码,防止非法节点进入
    authentication {
        auth_type PASS
        auth_pass 1111
    }
        # 虚拟出来的ip,可以有多个(vip)
    virtual_ipaddress {
        10.80.210.213
    }
        # 调用监控脚本
    track_script {
        check_web
    }
}
从服务的配置文件信息:
global_defs {
   # 路由id:当前安装keepalived的节点主机标识符,保证全局唯一
   router_id keep_host104
   #vrrp_skip_check_adv_addr
   #vrrp_strict
   #vrrp_garp_interval 0
   #vrrp_gna_interval 0
}


vrrp_script check_web {
    script "/etc/keepalived/check_web.sh"    # 脚本存放的位置
    interval 2     # 每隔两秒运行上一行脚本
    weight -20     # 如果脚本运行成功,则升级权重-20,自动切换到备
}


vrrp_instance VI_1 {
        # 主机=MASTER;备用机=BACKUP
    state BACKUP
        # 该实例绑定的网卡名称
    interface ens192
        # 保证主备节点一致
    virtual_router_id 51
        # 权重,master值 > backup值
    priority 88
        # 主备组播报发送间隔时间1秒
    advert_int 1
        # 认证权限密码,防止非法节点进入
    authentication {
        auth_type PASS
        auth_pass 1111
    }
        # 虚拟出来的ip,可以有多个(vip)
    virtual_ipaddress {
        10.80.210.213
    }
        # 调用监控脚本
    track_script {
        check_web
    }
}

编写nginx监控脚本

如果nginx服务停止,keepalived服务也停止,并切换到备主机

脚本如下:vi /etc/keepalived/check_web.sh

#!/bin/bash
num=`ps -C nginx --no-header |wc -l`
if [ $num -eq 0 ]
then
    systemctl stop keepalived
fi

启动、开机自启keepalived服务

systemctl start keepalived
systemctl enable keepalived

查看keepalived服务状态;查看虚拟IP生效情况

[root@srs103 ~]# ps -ef|grep keepalived
root     29357     1  0 6月14 ?       00:00:04 /usr/sbin/keepalived -D
root     29358 29357  0 6月14 ?       00:00:03 /usr/sbin/keepalived -D
root     29359 29357  0 6月14 ?       00:00:13 /usr/sbin/keepalived -D
root     32421 32394  0 09:58 pts/0    00:00:00 grep --color=auto keepalived
[root@srs103 ~]#
[root@srs103 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
    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: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:99:bb:6d brd ff:ff:ff:ff:ff:ff
    inet 10.80.210.103/23 brd 10.80.211.255 scope global ens192
       valid_lft forever preferred_lft forever
    inet 10.80.210.213/32 scope global ens192
       valid_lft forever preferred_lft forever
    inet6 fe80::169e:5d40:a142:b0a2/64 scope link
       valid_lft forever preferred_lft forever


[root@srs104 ~]# ps -ef|grep keepalived
root     21189     1  0 6月14 ?       00:00:04 /usr/sbin/keepalived -D
root     21190 21189  0 6月14 ?       00:00:04 /usr/sbin/keepalived -D
root     21191 21189  0 6月14 ?       00:00:15 /usr/sbin/keepalived -D
root     24183 24157  0 09:58 pts/0    00:00:00 grep --color=auto keepalived
[root@srs104 ~]#
[root@srs104 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN qlen 1
    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: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
    link/ether 00:0c:29:e6:70:0a brd ff:ff:ff:ff:ff:ff
    inet 10.80.210.104/23 brd 10.80.211.255 scope global ens192
       valid_lft forever preferred_lft forever
    inet6 fe80::a2fd:cc51:b204:32df/64 scope link
       valid_lft forever preferred_lft forever

SRS 源站安装与配置

SRS 源站集群参考官网:https://github.com/ossrs/srs/wiki/v4_CN_OriginCluster

SRS安装参考:

Centos7-SRS流媒体系统服务搭建

SRS源站1(10.80.210.105)的配置:

说明下,默认的启动配置应该是srs.conf。我做了备份,修改了这个文件。

# main config for srs.
# @see full.conf for detail config.

#监听的流端口
listen              1935;
#最大连接数
max_connections     1000;
srs_log_tank        file;
srs_log_file        ./objs/srs.log;
daemon              on;
http_api {
    enabled         on;
    listen          1985;
}
vhost __defaultVhost__ {
    hls {
        enabled         on;
        hls_fragment    10;
        hls_window      60;
        hls_path        ./objs/nginx/html;
        hls_m3u8_file   [app]/[stream].m3u8;
        hls_ts_file     [app]/[stream]-[seq].ts;
    }
    http_remux {
        enabled     on;
        mount       [vhost]/[app]/[stream].flv;
    }
    cluster {
        #集群的模式,对于源站集群,值应该是local。
        mode            local;
        #是否开启源站集群
        origin_cluster  on;
        #源站集群中的其他源站的HTTP API地址
        coworkers       10.80.210.106:1985;
    }
}

启动服务:

systemctl restart srs
systemctl enable srs

SRS源站2(10.80.210.106)的配置:

# main config for srs.
# @see full.conf for detail config.

#监听的流端口
listen              1935;
#最大连接数
max_connections     1000;
srs_log_tank        file;
srs_log_file        ./objs/srs.log;
daemon              on;
http_api {
    enabled         on;
    listen          1985;
}
vhost __defaultVhost__ {
    hls {
        enabled         on;
        hls_fragment    10;
        hls_window      60;
        hls_path        ./objs/nginx/html;
        hls_m3u8_file   [app]/[stream].m3u8;
        hls_ts_file     [app]/[stream]-[seq].ts;
    }
    http_remux {
        enabled     on;
        mount       [vhost]/[app]/[stream].flv;
    }
    cluster {
        #集群的模式,对于源站集群,值应该是local。
        mode            local;
        #是否开启源站集群
        origin_cluster  on;
        #源站集群中的其他源站的HTTP API地址
        coworkers       10.80.210.105:1985;
    }
}

启动服务

systemctl restart srs
systemctl enable srs

两份配置文件差异只在 最后一个 coworkers,写出了自己以外的源站IP即可

测试

使用ffmpeg推流到负载均衡10.80.210.213

#!/bin/sh
for((;;)); do

    ffmpeg -re -i /root/test.flv -vcodec copy -acodec copy -f flv -y rtmp://10.80.210.213/live/livestream;
    sleep 1;

done

SRS 边缘安装与配置

边缘的配置都是一样的,是通过NG来进行负载的,所以说边缘的配置相对简单,并且是可以无限扩展的

SRS 边缘集群参考:

SRS安装参考:

Centos7-SRS流媒体系统服务搭建

SRS edge 配置文件

# main config for srs.
# @see full.conf for detail config.

#监听的流端口
listen              1935;
#最大连接数
max_connections     1000;
srs_log_tank        file;
srs_log_file        ./objs/srs.log;
daemon              on;
http_api {
    enabled         on;
    listen          1985;
}
http_server {
    enabled         on;
    listen          8080;
    dir             ./objs/nginx/html;
}
rtc_server {
    enabled on;
    listen 8000; # UDP port
    # @see https://github.com/ossrs/srs/wiki/v4_CN_WebRTC#config-candidate
    candidate $CANDIDATE;
}
vhost __defaultVhost__ {
    hls {
        enabled         on;
        hls_fragment    10;
        hls_window      60;
        hls_path        ./objs/nginx/html;
        hls_m3u8_file   [app]/[stream].m3u8;
        hls_ts_file     [app]/[stream]-[seq].ts;
    }
    http_remux {
        enabled     on;
        mount       [vhost]/[app]/[stream].flv;
        hstrs       on;
    }
    dvr {
        enabled         on;
        dvr_apply       all;
        #dvr计划
        dvr_plan        segment;
        #录制的路径
        # dvr_path        ./objs/nginx/html/[app]/[stream].[timestamp].flv;
                dvr_path         ./objs/nginx/html/[app]/[stream]/[2006]/[01]/[02]/[15].[04].[05].[999].flv;
        #segment方式录制时间设置,单位:seconds
        dvr_duration    300;
        #开启按关键帧且flv
        dvr_wait_keyframe       on;
        #时间戳抖动算法。full使用完全的时间戳矫正;
        #zero只是保证从0开始;off不矫正时间戳。
        time_jitter             full;
    }
    # http钩子,不需要可省略...
    #http_hooks {
    #    enabled         on;
    #    on_connect      http://127.0.0.1:8085/api/v1/clients;
    #    on_close        http://127.0.0.1:8085/api/v1/clients;
    #    on_publish      http://127.0.0.1:8085/api/v1/streams;
    #    on_unpublish    http://127.0.0.1:8085/api/v1/streams;
    #    on_play         http://127.0.0.1:8085/api/v1/sessions;
    #    on_stop         http://127.0.0.1:8085/api/v1/sessions;
    #    on_dvr          http://127.0.0.1:8085/api/v1/dvrs;
    #    on_hls          http://127.0.0.1:8085/api/v1/hls;
    #    on_hls_notify   http://127.0.0.1:8085/api/v1/hls/[app]/[stream]/[ts_url][param];
    #}
    cluster {
        #集群的模式,对于源站集群,remote。
        mode            remote;
        #源站集群中的其他源站的HTTP API地址
        origin       10.80.210.105:1935 10.80.210.106:1935;
    }
}

最重要就是最后两行了,一个是 Mode和源站地址,源站地址使用的应该是1935端口

启动服务

systemctl restart srs
systemctl enable srs

指向边缘–nginx+keepalive+vip

nginx安装和配置,主从服务都需要安装

安装版本为:nginx-1.22.0-1.el7.ngx.x86_64.rpm

nginx配置

vi /etc/nginx/conf.d/default.conf 新增如下信息:

upstream srs{
  server 10.80.210.107:8080;
  server 10.80.210.108:8080;
}

server {
    listen       80;
    server_name  localhost;


   location ~ /* {
      proxy_pass http://srs;
      add_header Cache-Control no-cache;
      add_header Access-Control-Allow-Origin *;
    }


    #禁止访问的文件或目录
    location ~ ^/(\.user.ini|\.htaccess|\.git|\.svn|\.project|LICENSE|README.md)
    {
        return 404;
    }

    #一键申请SSL证书验证目录相关设置
    location ~ \.well-known{
        allow all;
    }

    location ~ .*\.(gif|jpg|jpeg|png|bmp|swf)$
    {
        expires      30d;
        error_log /dev/null;
        access_log /dev/null;
    }

    location ~ .*\.(js|css)?$
    {
        expires      12h;
        error_log /dev/null;
        access_log /dev/null;
    }
}

keepalived安装和配置

安装keepalived

yum install -y keepalived

修改配置文件

cp /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak

vi /etc/keepalived/keepalived.conf

主服务的配置文件信息:
global_defs {
   # 路由id:当前安装keepalived的节点主机标识符,保证全局唯一
   router_id keep_host109

}

vrrp_script check_web {
    script "/etc/keepalived/check_web.sh"    # 脚本存放的位置
    interval 2     # 每隔两秒运行上一行脚本
    weight -20     # 如果脚本运行成功,则升级权重-20,自动切换到备
}


vrrp_instance VI_1 {
        # 主机=MASTER;备用机=BACKUP
    state MASTER
        # 该实例绑定的网卡名称
    interface ens192
        # 保证主备节点一致
    virtual_router_id 51
        # 权重,master值 > backup值
    priority 100
        # 主备组播报发送间隔时间1秒
    advert_int 1
        # 认证权限密码,防止非法节点进入
    authentication {
        auth_type PASS
        auth_pass 1111
    }
        # 虚拟出来的ip,可以有多个(vip)
    virtual_ipaddress {
        10.80.210.214
    }
        # 调用监控脚本
    track_script {
        check_web
    }
}
从服务的配置文件信息:
global_defs {
   # 路由id:当前安装keepalived的节点主机标识符,保证全局唯一
   router_id keep_host110
}


vrrp_script check_web {
    script "/etc/keepalived/check_web.sh"    # 脚本存放的位置
    interval 2     # 每隔两秒运行上一行脚本
    weight -20     # 如果脚本运行成功,则升级权重-20,自动切换到备
}


vrrp_instance VI_1 {
        # 主机=MASTER;备用机=BACKUP
    state BACKUP
        # 该实例绑定的网卡名称
    interface ens192
        # 保证主备节点一致
    virtual_router_id 51
        # 权重,master值 > backup值
    priority 88
        # 主备组播报发送间隔时间1秒
    advert_int 1
        # 认证权限密码,防止非法节点进入
    authentication {
        auth_type PASS
        auth_pass 1111
    }
        # 虚拟出来的ip,可以有多个(vip)
    virtual_ipaddress {
        10.80.210.214
    }
        # 调用监控脚本
    track_script {
        check_web
    }
}

编写nginx监控脚本

如果nginx服务停止,keepalived服务也停止,并切换到备主机

脚本如下:vi /etc/keepalived/check_web.sh

#!/bin/bash
num=`ps -C nginx --no-header |wc -l`
if [ $num -eq 0 ]
then
    systemctl stop keepalived
fi

启动、开机自启keepalived服务

systemctl start keepalived
systemctl enable keepalived

测试服务功能

在浏览器中访问http://10.80.210.214

image-20220616102243357

使用OBS(点击下载) 推流

image-20220616102407972

image-20220616102418093

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