HAProxy considers Donor as a DOWN state, make it configurable
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AFFECTED CS IDs
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Nickolay Ihalainen July 7, 2023 at 12:58 PM
Could be closed, now it's good enough and will be even better after explaining things in https://jira.percona.com/browse/K8SPXC-1171
Slava Sarzhan March 14, 2023 at 2:39 PM
Can we close this task?
Sergey Pronin March 22, 2022 at 8:04 PM
what do you think? Do you think it is enough? Shall we document it?
Slava Sarzhan April 6, 2021 at 12:20 PMEdited
under https://jira.percona.com/browse/K8SPXC-688 task I have added the possibility of adding custom env variables via CR. Also, now it is possible to add some customisation for HAProxy pods e.g. it is possible to do the following using env variables:
Is it ok for you?
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https://github.com/percona/percona-docker/blob/pxc-operator-1.7.0/haproxy/dockerdir/usr/local/bin/check_pxc.sh#L31
The check script allows to use Donor if there is no other alive hosts, but sometimes applications prefer to keep connections and running queries even if the host is a Donor.