db-datanommer: some more backups adjustments

First we need to pipe stderr into the grep to filter out the timescaledb
warnings. So, |& does that.

Then, there's no reason to backup the staging database. Disable that.

Signed-off-by: Kevin Fenzi <kevin@scrye.com>

inventory/host_vars/db-datanommer01.stg.iad2.fedoraproject.org

@@ -3,10 +3,6 @@
 databases:
   - datanommer
 datacenter: iad2
-db_backup_dir: ['/backups']
-# This is a more strict list, to be made publicly available
-dbs_to_backup:
-  - datanommer2
 effective_cache_size: "12GB"
 eth0_ipv4_gw: 10.3.166.254
 eth0_ipv4_ip: 10.3.166.59

roles/postgresql_server/templates/cron-backup-database

@@ -1,5 +1,5 @@
 {% if inventory_hostname == 'db-datanommer02.iad2.fedoraproject.org' %}
-0 0 * * * postgres /usr/local/bin/backup-database {{ item }} | grep -Ev 'warning:|hypertable|chunk|restore|data-only'
+0 0 * * * postgres /usr/local/bin/backup-database {{ item }} |& grep -Ev 'warning:|hypertable|chunk|restore|data-only'
 {% else %}
 0 0 * * * postgres /usr/local/bin/backup-database {{ item }}
 {% endif %}