The centralauth database is part of the s7 slice, but not names in the s7.dblist. Since the new DNS service names are generated from the dblist contents this service name is missing.
Related Gerrit Patches:
|operations/puppet : production||labsdb: add missing CNAMEs for centralauth and meta|
|Resolved||jcrespo||T140788 Labs databases rearchitecture (tracking)|
|Resolved||bd808||T166402 Program 7 Outcome 3: data services|
|Resolved||bd808||T142807 Migrate all users to new Wiki Replica cluster and decommission old hardware|
|Resolved||bd808||T183651 centralauth database service name missing from new replicas|
$ host centralauth.labsdb centralauth.labsdb is an alias for s7.analytics.db.svc.eqiad.wmflabs. s7.analytics.db.svc.eqiad.wmflabs has address 10.64.37.14 $ sql centralauth Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 25429219 Server version: 10.1.29-MariaDB MariaDB Server Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. (email@example.com) [centralauth_p]>