One thing, which I see is in wsrep_rsync_sst -- trap cleanup_joiner EXIT -- the cleanup_joiner is not called when TERM etc. are sent, so will require manual cleanup if the parent script is killed with those signals.
One thing, which I see is in wsrep_rsync_sst -- trap cleanup_joiner EXIT -- the cleanup_joiner is not called when TERM etc. are sent, so will require manual cleanup if the parent script is killed with those signals.