changed cronjob settings

tasks/main.yml

@@ -49,15 +49,15 @@
 - name: add backup cronjob for easier backup/restore
   cron:
     name: db backup
-    job: '/usr/bin/pg_dumpall | gzip > /opt/postgresbackup/$(date "+%s-%Y%M%d-%H%M.sql.gz")'
+    job: '/usr/bin/pg_dumpall | gzip > /opt/postgresbackup/$(date "+\%Y\%m\%d-\%H\%M.sql.gz")'
     user: postgres
-    hour: 5,11,17,23
+    hour: */4
     minute: 45
 
 - name: add backup cleanup cronjob
   cron:
     name: db backup cleanup
-    job: 'find /opt/postgresbackup/* -mtime +9 -type f -exec rm {} \;'
+    job: 'find /opt/postgresbackup/* -mtime +3 -type f -exec rm {} \;'
     special_time: daily
 
 - name: flush handlers so postgres is ready before other roles try to use it