Add daily Postgres vacuum script

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

@@ -0,0 +1,16 @@
+#!/bin/bash
+# Daily vaccuum script for PVCDNS database
+# {{ ansible_managed }}
+
+# Don't run if we aren't primary
+HOSTNAME="$( hostname -s )"
+PRIMARY="$( pvc node list | grep primary | awk '{ print $1 }' )"
+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 'psql pvcdns -c "VACUUM (VERBOSE, ANALYZE);"' &>>/var/log/pvc/pdns/vacuum.log