In case of arbiter is enabled default liveness probe doesn't work properly.In case of arbiter is enabled default liveness probe doesn't work properly. As result arbiter pod is constantly restarting.

Trying to check a result of liveness probe:

Probably it's because of mongo shell at arbiter mongodb node can not use authentication. But mongodb-healthcheck uses authentication - https://github.com/percona/mongodb-orchestration-tools/blob/master/cmd/mongodb-healthcheck/main.go#L53.

I'm able to get rs.status() at arbiter mongodb mode without authentication:

But it doesn't work with auth parameters: