keepalived health check HTTP_GET

One:

real_server 192.168.2.188 80 {
     weight 1
     HTTP_GET {
       url {
       path /index.html
       digest bfaa334fdd71444e45eca3b7a1679a4a #http://192.168.2.188/index.html的digest值          }
            connect_timeout 3
            nb_get_retry 3
            delay_before_retry 3
        }

digest值的获取方法：
[root@188-test html]# genhash -s 192.168.2.188 -p 80 -u /index.html
MD5SUM = bfaa334fdd71444e45eca3b7a1679a4a
genhash命令：
[root@188-test html]# genhash
genhash v1.0.0 (18/11, 2002)
Usage:
  genhash -s server-address -p port -u url
  genhash -S -s server-address -p port -u url
  genhash -h
  genhash -r

Commands:
Either long or short options are allowed.
  genhash --use-ssl         -S       Use SSL connection to remote server.
  genhash --server          -s       Use the specified remote server address.
  genhash --port            -p       Use the specified remote server port.
  genhash --url             -u       Use the specified remote server url.
  genhash --use-virtualhost -V       Use the specified virtualhost in GET query.
  genhash --verbose         -v       Use verbose mode output.
  genhash --help            -h       Display this short inlined help screen.
  genhash --release         -r       Display the release number


二：

80 {192.168.2.188 real_server 
      weight. 1 
      HTTP_GET { 
          URL { 
          path /index.html 
          status_code 200 is #http: //192.168.2.188/index.html return status codes 
            }