hosts: db0: Promote to primary

All data have been migrated from the PostgreSQL server in Kubernetes and
the three applications that used it (Firefly-III, Authelia, and Home
Assistant) have been updated to point to the new server.

To avoid comingling the backups from the old server with those from the
new server, we're reconfiguring WAL-G to push and pull from a new S3
prefix.

group_vars/postgresql.yml

@@ -46,6 +46,6 @@ wal_g_aws_secret_access_key: !vault |
 wal_g_pg_config:
   AWS_ACCESS_KEY_ID: '{{ wal_g_aws_access_key_id }}'
   AWS_SECRET_ACCESS_KEY: '{{ wal_g_aws_secret_access_key }}'
-  WALG_S3_PREFIX: s3://pgbackup/spilo/postgresql-default/wal/15
+  WALG_S3_PREFIX: s3://pgbackup/pyrocufflink/main/15
   AWS_S3_FORCE_PATH_STYLE: true
   AWS_ENDPOINT: https://burp.pyrocufflink.blue:9000

host_vars/db0.pyrocufflink.blue.yml

@@ -1 +0,0 @@
-postgresql_standby: true