haproxy實現7層代理

時間  2020-07-26
標籤 haproxy 實現 代理 欄目 負載均衡 简体版
原文   原文鏈接

1.編譯安裝tengine，配置虛擬機，實現api.x.com代理9001端口html

1.1 下載tenginenode

[root@localhost ~]# wget http://tengine.taobao.org/download/tengine-2.1.2.tar.gz
--2020-07-22 21:50:00--  http://tengine.taobao.org/download/tengine-2.1.2.tar.gz
Resolving tengine.taobao.org (tengine.taobao.org)... 106.11.186.45, 203.119.245.120, 106.11.208.21, ...
Connecting to tengine.taobao.org (tengine.taobao.org)|106.11.186.45|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2137295 (2.0M) [application/octet-stream]
Saving to: ‘tengine-2.1.2.tar.gz’

100%[=====================================================================================================>] 2,137,295    383KB/s   in 5.5s   

2020-07-22 21:50:06 (378 KB/s) - ‘tengine-2.1.2.tar.gz’ saved [2137295/2137295]

1.2 編譯安裝tenginenginx

[root@localhost ~]# cd /usr/local/src
[root@localhost src]# cp /root/tengine-2.1.2.tar.gz .
[root@localhost src]# ls
tengine-2.1.2.tar.gz
[root@localhost src]# tar -xf tengine-2.1.2.tar.gz 
[root@localhost src]# ls
tengine-2.1.2  tengine-2.1.2.tar.gz
[root@localhost src]# ln -sv tengine-2.1.2 tengine
‘tengine’ -> ‘tengine-2.1.2’
[root@localhost src]# cd tengine
[root@localhost tengine]# ./configure
[root@localhost tengine]# make -j 4 && make install
root@localhost sbin]# /usr/local/nginx/sbin/nginx 
[root@localhost sbin]# ss -tnl
State       Recv-Q Send-Q                          Local Address:Port                                         Peer Address:Port              
LISTEN      0      128                                         *:80                                                      *:*                  
LISTEN      0      128                                         *:22                                                      *:*                  
LISTEN      0      100                                 127.0.0.1:25                                                      *:*                  
LISTEN      0      128                                        :::22                                                     :::*                  
LISTEN      0      100                                       ::1:25                                                     :::*

1.3 配置環境變量,方便啓動nginxweb

[root@localhost sbin]# export PATH="/usr/local/nginx/sbin:$PATH"

1.4 修改nginx配置文件redis

[root@localhost nginx]# vim /usr/local/nginx/conf/nginx.conf  ###在配置文件增長以下一行
include       /usr/local/nginx/conf.d/*.conf;
[root@localhost conf.d]# pwd
/usr/local/nginx/conf.d
[root@localhost conf.d]# cat proxy.conf
server {
    server_name api.x.com;
    location / {
    proxy_pass http://localhost:9001; 
    }
}

server {
    listen 9001;
    server_name _;
    root /data/nginx;
    index index.html;
}

1.5 準備測試網頁vim

[root@localhost ~]# mkdir -p /data/nginx/
[root@localhost ~]# echo proxypass > /data/nginx/index.html

1.6 測試api

1.6.1 修改/etc/hosts文件服務器

[root@c2 ~]# cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
10.1.1.245  api.x.com

1.6.2 在c2服務器上測試app

[root@c2 conf.d]# curl api.x.com
proxypass
[root@c2 conf.d]# curl api.x.com
proxypass
[root@c2 conf.d]# curl api.x.com
proxypass
[root@c2 conf.d]# curl api.x.com
proxypass
[root@c2 conf.d]# curl api.x.com
proxypass

2.配置haproxy，實現7層代理，/a路徑代理轉發到a集羣，/b路徑代理轉發到b集羣dom

2.1 安裝haproxy

[root@localhost ~]# yum install haproxy -y

2.2 修改配置文件

[root@localhost ~]# grep -v "#" /etc/haproxy/haproxy.cfg

global
    log         127.0.0.1 local2

    chroot      /var/lib/haproxy
    pidfile     /var/run/haproxy.pid
    maxconn     4000
    user        haproxy
    group       haproxy
    daemon

    stats socket /var/lib/haproxy/stats

defaults
    mode                    http
    log                     global
    option                  httplog
    option                  dontlognull
    option http-server-close
    option forwardfor       except 127.0.0.0/8
    option                  redispatch
    retries                 3
    timeout http-request    10s
    timeout queue           1m
    timeout connect         10s
    timeout client          1m
    timeout server          1m
    timeout http-keep-alive 10s
    timeout check           10s
    maxconn                 3000

listen statistics 
bind *:9090
stats enable
stats auth admin:admin
stats uri /admin?stats
stats hide-version
stats refresh 30s
stats admin if TRUE
stats realm Hapadmin

listen web_host
    bind 10.0.1.245:80
    mode http
    balance roundrobin
    log global
    option httplog
    acl static_path1 path_beg -i /a
    use_backend static_path_host1 if static_path1
    acl static_path2 path_beg -i /b
    use_backend static_path_host2 if static_path2

backend static_path_host1
    mode http
    server web1 10.0.1.242:80 check inter 2000 fall 3 rise 5
backend static_path_host2
    mode http
    server web2 10.0.1.243:80 check inter 2000 fall 3 rise 5

2.3 啓動haproxy

[root@localhost ~]# systemctl start haproxy.service

2.4 安裝a集羣和b集羣的nginx

[root@c1 ~]# yum install nginx -y
[root@c1 ~]# grep -v "#" /etc/nginx/nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

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

    include /etc/nginx/conf.d/*.conf;

    server {
        listen       80;
        server_name  _;
        root         /usr/share/nginx/html;

        include /etc/nginx/default.d/*.conf;

        location /a {
        index index.html;
        root /data/nginx;
        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

}
[root@c1 ~]# mkdir -p /data/nginx/a
[root@c1 ~]# echo 'This is cluster A!' > /data/nginx/a/index.html 
[root@c1 ~]#nginx

[root@c2 ~]# yum install nginx -y
[root@c2 ~]# grep -v "#" /etc/nginx/nginx.conf

user nginx;
worker_processes auto;
error_log /var/log/nginx/error.log;
pid /run/nginx.pid;

include /usr/share/nginx/modules/*.conf;

events {
    worker_connections 1024;
}

http {
    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;
    tcp_nodelay         on;
    keepalive_timeout   65;
    types_hash_max_size 2048;

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

    include /etc/nginx/conf.d/*.conf;

    server {
        listen       80;
        server_name  _;
        root         /usr/share/nginx/html;

        include /etc/nginx/default.d/*.conf;

        location /b {
        index index.html;
        root /data/nginx;
        }

        error_page 404 /404.html;
            location = /40x.html {
        }

        error_page 500 502 503 504 /50x.html;
            location = /50x.html {
        }
    }

}
[root@c2 ~]# mkdir -p /data/nginx/b
[root@c2 ~]# echo 'This is cluster B!' > /data/nginx/b/index.html 
[root@c2 ~]#nginx

2.5 測試

haproxy實現7層代理
haproxy實現7層代理

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