db1215 will replace db1115 once it is ready.
There's currently lots of things relaying on db1115 that we need to failover:
[x] orchestrator https://gerrit.wikimedia.org/r/c/operations/puppet/+/917313/
[x] mysqld_exporter https://gerrit.wikimedia.org/r/c/operations/puppet/+/910076
[x] change all .bashrc aliases:
* https://gerrit.wikimedia.org/r/c/operations/puppet/+/908157
* https://gerrit.wikimedia.org/r/c/operations/puppet/+/909324
[x] dbprov1002 db_inventory source host https://gerrit.wikimedia.org/r/c/operations/puppet/+/907875/
[x] zarcillo-master DNS https://gerrit.wikimedia.org/r/c/operations/dns/+/907873
[x] wmfmariadbpy/switchover.py https://gerrit.wikimedia.org/r/c/operations/software/wmfmariadbpy/+/917320/
** Double check the script on cumin1001 and cumin2001
[x] switchover-tmpl.py https://gerrit.wikimedia.org/r/c/operations/software/+/911693
[x] [[https://gitlab.wikimedia.org/toolforge-repos/switchmaster/-/commit/2060295d8ea90ea5fbdbde9b88fd8818e53592a7|switchmaster]]
[x] report_users https://gerrit.wikimedia.org/r/c/operations/software/+/917434
[x] section https://gerrit.wikimedia.org/r/c/operations/software/+/909964
[x] host-to-instance https://gerrit.wikimedia.org/r/c/operations/software/+/909965
[x] check-master-heartbeat.sh https://gerrit.wikimedia.org/r/c/operations/software/+/909966/
[x] (unused) change_mw_mysql_pass.sh https://gerrit.wikimedia.org/r/c/operations/software/+/910414/
[] wmfdb/cli_admin/db_mysql.py https://gerrit.wikimedia.org/r/c/operations/software/wmfdb/+/917833/