pvc-ansible/roles/pvc/templates/patroni/pvcdns-vacuum.j2

#!/bin/bash
# Daily vaccuum script for PostgreSQL databases
# {{ ansible_managed }}

# Don't run if we aren't the Patroni primary
HOSTNAME="$( hostname -s )"
PRIMARY="$( patronictl -c /etc/patroni/config.yml -d zookeeper://localhost:2181 list --format json \
              | jq -r '.[] | select(.Role == "Leader") | .Member' )"
if [[ $HOSTNAME != $PRIMARY ]]; then
    exit 0
fi

# Analyze the database
echo -e "----------------------------"              &>>/var/log/pvc/pdns/vacuum.log
echo -e "$( date )"                                 &>>/var/log/pvc/pdns/vacuum.log
echo -e "----------------------------"              &>>/var/log/pvc/pdns/vacuum.log
su postgres -c 'vacuumdb --verbose --analyze --all' &>>/var/log/pvc/pdns/vacuum.log