keepalived+nginx負載均衡反向代理
vrrp_script chk_http_port { script "/root/check_nginx_pid.sh" interval 2 #(檢測腳本執行的間隔) weight 2 } vrrp_instance VI_1 { #備用服務器上為 BACKUP state MASTER #綁定vip的網卡為ens33,你的網卡和阿銘的可能不一樣,這裏需要你改一下 interface ens33 virtual_router_id 52 #備用服務器上為90 priority 90 advert_int 1 authentication { auth_type PASS auth_pass 1111 } track_script { chk_http_port #(調用檢測腳本) } 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; #如果你要測試,把這裏換成你自己要代理後端的ip
server 192.168.198.145:80 weight=9 max_fails=2 fail_timeout=30s;
#ip_hash; #當負載兩臺以上用ip來hash解決session的問題,一臺就別hash了。
}
server {
listen 80;
server_name www.mysvr1.com;
location / {
proxy_pass http://proxy_test; #這裏proxy_test是上面的負載的名稱,映射到代理服務器,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; #轉向tomcat處理
}
}
}
keepalived+nginx負載均衡反向代理