Haproxy 2.0.6 HTTP check don't work therefore if upgrading all bachents will show as down, see more here: https://github.com/haproxy/haproxy/issues/278
Reverting to 2.0.5 is needed if upgraded
A commit references this bug:
Date: Tue Sep 17 10:04:44 UTC 2019
New revision: 512201
Add a patch from upstream to fix checks.
Submitted by: nbari
I added a patch proposed in https://github.com/haproxy/haproxy/issues/278
Please check 2.0.6_1 to see if it fixes the issue.
Hi, I tested and confirm is working.