Kea does not work with mariadb galera cluster
Describe the bug Kea silently and randomly stops when using mariadb galera cluster and each kea server pointing to different mariadb nodes. Happens on both dhcp4 and dhcp6.
To Reproduce Steps to reproduce the behavior:
- install mariadb and galera on two servers
- install kea on two servers
- configure kea to mysql backend for lease, host and config
- configure kea server 1 to use sql serer 1 and kea server 2 to use sql server 2
- configure kea to use ha load-balance
- dhcp4 and/or dhcp6 will randomly stop working on any server (but only on one)
- no error message or crash, just stop responding
Expected behavior Services should work
Environment:
- Kea version: 1.8.0 (Tried many 1.7.x releases with same error)
- OS: Ubuntu 18.04 x64
- Packaged version installed with apt
- HA Hook loaded
Additional Information After service restart it works again for a while. I pointed both kea servers to the same sql server and it looks like it works now. If my setup is not supported by you a notice in the manual/known issues list would be great
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