keepalived+nginx负载均衡反向代理
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keepalived配置
vrrp_script chk_http_port {
script "/root/check_nginx_pid.sh"
interval 2 #(检测脚本执行的间隔)
weight 2
}
vrrp_instance VI_1 {
#备用服务器上为 BACKUP
state MASTER
#绑定vip的网卡为ens33,你的网卡和阿铭的可能不一样,这里需要你改一下
interface ens33
virtual_router_id 52
#备用服务器上为90
priority 90
advert_int 1
authentication {
auth_type PASS
auth_pass 1111
}
track_script {
chk_http_port #(调用检测脚本)
}
virtual_ipaddress {
192.168.198.24
}
}
nginx反向代理配置:
user nginx;
worker_processes 2;
error_log /var/log/nginx/error.log warn;
pid /var/run/nginx.pid;
events {
use epoll;
worker_connections 1024;
}
http {
include 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;
tcp_nodelay on;
keepalive_timeout 65;
gzip on;
gzip_disable "MSIE [1-6]\.(?!.*SV1)";
client_header_buffer_size 1k;
large_client_header_buffers 4 4k;
upstream proxy_test {
server 192.168.198.144:80 weight=4 max_fails=2 fail_timeout=30s; #如果你要测试,把这里换成你自己要代理后端的ip
server 192.168.198.145:80 weight=9 max_fails=2 fail_timeout=30s;
#ip_hash; #当负载两台以上用ip来hash解决session的问题,一台就别hash了。
}
server {
listen 80;
server_name www.mysvr1.com;
location / {
proxy_pass http://proxy_test; #这里proxy_test是上面的负载的名称,映射到代理服务器,可以是ip加端口, 或url
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
}
location ~ .(html|php|jsp|jspx|dp)?$
{
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_pass http://proxy_test; #转向tomcat处理
}
}
}
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