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「实战篇」开源项目docker化运维部署-前端java部署（八）

标签：
Docker vuex

本节主要说说前端的部署需要注意的点，本身renren-fast这个项目就是通过nodejs来进行开发的，nodejs编译后生成html，css，img所以，咱们不用在容器直接用nginx就可以访问静态文件。源码：https://github.com/limingios/netFuture/blob/master/前端/
https://github.com/daxiongYang/renren-fast-vue

修改连接地址

应该修改成http://192.168.66.151:6201/renren-fast;

打包

  • 修改镜像，国内打包比较快点

http://npm.taobao.org/

  • 安装

你可以使用我们定制的 cnpm (gzip 压缩支持) 命令行工具代替默认的 npm:

$ npm install -g cnpm --registry=https://registry.npm.taobao.org

这个目录上传到nginx上。

renren-nginx<1>

这里的nginx并不是做负载均衡的，而是做静态的html的静态运行环境的。

  • 创建容器

用宿主机的网段

docker run -it -d --name fn1 \
-v /root/fn1/nginx.conf:/etc/nginx/nginxc.conf \
-v /root/fn1/renren-vue:/home/fn1/renren-vue \
--privileged --net=host nginx
  • 编写nginx的配置文件

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	server {
		listen 6501;
		server_name  192.168.66.100;
		location  /  {
			root  /home/fn1/renren-vue;
			index  index.html;
		}
	}
}

renren-nginx<2>

这里的nginx并不是做负载均衡的，而是做静态的html的静态运行环境的。

  • 创建容器

用宿主机的网段

docker run -it -d --name fn2 \
-v /root/fn2/nginx.conf:/etc/nginx/nginxc.conf \
-v /root/fn2/renren-vue:/home/fn1/renren-vue \
--privileged --net=host nginx
  • 编写nginx的配置文件

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	server {
		listen 6502;
		server_name  192.168.66.100;
		location  /  {
			root  /home/fn2/renren-vue;
			index  index.html;
		}
	}
}

renren-nginx<3>

这里的nginx并不是做负载均衡的，而是做静态的html的静态运行环境的。

  • 创建容器

用宿主机的网段

docker run -it -d --name fn3 \
-v /root/fn3/nginx.conf:/etc/nginx/nginxc.conf \
-v /root/fn3/renren-vue:/home/fn1/renren-vue \
--privileged --net=host nginx
  • 编写nginx的配置文件

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	server {
		listen 6503;
		server_name  192.168.66.100;
		location  /  {
			root  /home/fn3/renren-vue;
			index  index.html;
		}
	}
}

###qia负载均衡

nginx-ff1
  • ff1 容器的创建
docker run -it -d --name ff1 \
-v /root/ff1/nginx.conf:/etc/nginx/nginx.conf \
--net=host \
--privileged --net=host nginx
  • 负载均衡ff1 - nginx的配置

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	upstream fn {
		server 192.168.66.100:6501;
		server 192.168.66.100:6502;
		server 192.168.66.100:6503;
	}
	server {
        listen       6601;
        server_name  192.168.66.100; 
        location / {  
            proxy_pass   http://fn;
            index  index.html index.htm;  
        }  

    }
}
nginx-ff2
  • ff2 容器的创建
docker run -it -d --name ff2 \
-v /root/ff2/nginx.conf:/etc/nginx/nginx.conf \
--net=host \
--privileged --net=host nginx
  • 负载均衡ff2 - nginx的配置

user  nginx;
worker_processes  1;

error_log  /var/log/nginx/error.log warn;
pid        /var/run/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;

    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';

    access_log  /var/log/nginx/access.log  main;

    sendfile        on;
    #tcp_nopush     on;

    keepalive_timeout  65;

    #gzip  on;
	
	proxy_redirect          off;
	proxy_set_header        Host $host;
	proxy_set_header        X-Real-IP $remote_addr;
	proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
	client_max_body_size    10m;
	client_body_buffer_size   128k;
	proxy_connect_timeout   5s;
	proxy_send_timeout      5s;
	proxy_read_timeout      5s;
	proxy_buffer_size        4k;
	proxy_buffers           4 32k;
	proxy_busy_buffers_size  64k;
	proxy_temp_file_write_size 64k;
	
	upstream fn {
		server 192.168.66.100:6501;
		server 192.168.66.100:6502;
		server 192.168.66.100:6503;
	}
	server {
        listen       6602;
        server_name  192.168.66.100; 
        location / {  
            proxy_pass   http://fn;
            index  index.html index.htm;  
        }  

    }
}

前端项目的双机热备负载均衡方案

之前已经设置了ff1 和ff2，都可以正常的访问后端，但是没有设置keepalived，他们之前无法争抢ip，无法做到双机热备。这次说说双机热备。

进入容器ff1然后安装keepalived

keepalived必须在ff1所在的容器之内，也可以在docker仓库里面下载一个nginx-keepalived的镜像。这里直接在容器内安装keepalived。

docker exec -it ff1 /bin/bash
#写入dns，防止apt-get update找不到服务器
echo "nameserver 8.8.8.8" | tee /etc/resolv.conf > /dev/null 
apt-get clean
apt-get update
apt-get install vim
vi /etc/apt/sources.list

sources.list 添加下面的内容

deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted
  • 更新apt源
apt-get clean
apt-get update
apt-get install keepalived
apt-get install vim

  • keepalived配置文件

容器内的路径：/etc/keepalived/keepalived.conf

vi /etc/keepalived/keepalived.conf

keepalived.conf

vrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.66.152
    }
}
virtual_server 192.168.66.152 6701{
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.66.100 6601{
        weight 1
    }
}
  1. VI_1 名称可以自定义
  2. state MASTER | keepalived的身份（MASTER主服务器，BACKUP备份服务器，不会抢占虚拟机ip）。如果都是主MASTER的话，就会进行互相争抢IP，如果抢到了就是MASTER，另一个就是SLAVE。
  3. interface网卡，定义一个虚拟IP定义到那个网卡上边。网卡设备的名称。eth33是宿主机是网卡。
  4. virtual_router_id 51 | 虚拟路由标识，MASTER和BACKUP的虚拟路由标识必须一致。标识可以是0-255。
  5. priority 100 | 权重。MASTER权重要高于BACKUP 数字越大优选级越高。可以根据硬件的配置来完成，权重最大的获取抢到的级别越高。
  6. advert_int 1 | 心跳检测。MASTER与BACKUP节点间同步检查的时间间隔，单位为秒。主备之间必须一致。
  7. authentication | 主从服务器验证方式。主备必须使用相同的密码才能正常通信。进行心跳检测需要登录到某个主机上边所有有账号密码。
  8. virtual_ipaddress | 虚拟ip地址，可以设置多个虚拟ip地址，每行一个。根据上边配置的eth33上配置的ip。192.168.66.151 是自己定义的虚拟ip
  • 启动keeplived

容器内启动

service keepalived start

进入容器ff2然后安装keepalived

keepalived必须在ff2所在的容器之内，也可以在docker仓库里面下载一个nginx-keepalived的镜像。这里直接在容器内安装keepalived。

docker exec -it ff2 /bin/bash
#写入dns，防止apt-get update找不到服务器
echo "nameserver 8.8.8.8" | tee /etc/resolv.conf > /dev/null 
apt-get clean
apt-get update
apt-get install vim
vi /etc/apt/sources.list

sources.list 添加下面的内容

deb http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb-src http://mirrors.163.com/ubuntu/ precise main universe restricted multiverse 
deb http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-security universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-proposed universe main multiverse restricted 
deb http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-backports universe main multiverse restricted 
deb-src http://mirrors.163.com/ubuntu/ precise-updates universe main multiverse restricted

  • 更新apt源
apt-get clean
apt-get update
apt-get install keepalived
apt-get install vim
  • keepalived配置文件

容器内的路径：/etc/keepalived/keepalived.conf

vi /etc/keepalived/keepalived.conf

keepalived.conf

vrrp_instance VI_1 {
    state MASTER
    interface ens33
    virtual_router_id 51
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 123456
    }
    virtual_ipaddress {
        192.168.66.152
    }
}
virtual_server 192.168.66.152 6701{
    delay_loop 3
    lb_algo rr
    lb_kind NAT
    persistence_timeout 50
    protocol TCP
    real_server 192.168.66.100 6602{
        weight 1
    }
}
  1. VI_1 名称可以自定义
  2. state MASTER | keepalived的身份（MASTER主服务器，BACKUP备份服务器，不会抢占虚拟机ip）。如果都是主MASTER的话，就会进行互相争抢IP，如果抢到了就是MASTER，另一个就是SLAVE。
  3. interface网卡，定义一个虚拟IP定义到那个网卡上边。网卡设备的名称。eth33是宿主机是网卡。
  4. virtual_router_id 51 | 虚拟路由标识，MASTER和BACKUP的虚拟路由标识必须一致。标识可以是0-255。
  5. priority 100 | 权重。MASTER权重要高于BACKUP 数字越大优选级越高。可以根据硬件的配置来完成，权重最大的获取抢到的级别越高。
  6. advert_int 1 | 心跳检测。MASTER与BACKUP节点间同步检查的时间间隔，单位为秒。主备之间必须一致。
  7. authentication | 主从服务器验证方式。主备必须使用相同的密码才能正常通信。进行心跳检测需要登录到某个主机上边所有有账号密码。
  8. virtual_ipaddress | 虚拟ip地址，可以设置多个虚拟ip地址，每行一个。根据上边配置的eth33上配置的ip。192.168.66.151 是自己定义的虚拟ip
  • 启动keeplived

容器内启动

service keepalived start

PS：前后端部署基本是一样的都是按照思路，先启动多个容器，然后建立2个负载，负载内安装keepalived做热备。重点是想好端口。但是说实话，这是平常练习和个人项目，如果是多台机器，就不能这么搞了，下次一起通过docker swarm的网络方式让多台机器。

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发表于 2019.04.09 10:40， 共 2566 人浏览

本文原创发布于慕课网 ，转载请注明出处，谢谢合作

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