haproxy check is
like
option httpchk HEAD /HTTP/1.1\r\nHOST:xxxxxxxx.com/api/checkusername/zabbix
http-check expect rstring true
Response in status log
Health check for server BE_Services_HTTPS_VIP/node1 failed, reason: Layer7
invalid response, info: "b'
{<22>success<22>:true}
'", check duration: 137ms, status: 0/2 DOWN.
Server BE_Services_HTTPS_VIP/node1 is DOWN. 1 active and 0 backup servers
left. 0 sessions active, 0 requeued, 0 remaining in queue.
Health check for server BE_Services_HTTPS_VIP/node2 failed, reason: Layer7
invalid response, info: "b'
{<22>success<22>:true}
'", check duration: 205ms, status: 0/2 DOWN.
Server BE_Services_HTTPS_VIP/node2 is DOWN. 0 active and 0 backup servers
left. 0 sessions active, 0 requeued, 0 remaining in queue.
proxy BE_Services_HTTPS_VIP has no server available!
