MINOR: contrib/prometheus-exporter: Add heathcheck status/code in server metrics

ST_F_CHECK_STATUS and ST_F_CHECK_CODE are now part of exported server metrics:

  * haproxy_server_check_status
  * haproxy_server_check_code

The heathcheck status is an integer corresponding to HCHK_STATUS value.

(cherry picked from commit cf403f32e4bd5217064f8831930b45c5fb37131b)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
(cherry picked from commit f7d4218967314c5673fff2793e1a1e5681eb756b)
Signed-off-by: Christopher Faulet <cfaulet@haproxy.com>
2 files changed