added backup support

tasks/main.yml

@@ -38,27 +38,9 @@
     hour: 23
     minute: 26
 
-- name: add postgresql backup folder
-  file:
-    path: /opt/postgresbackup/
-    state: directory
-    owner: postgres
-    group: postgres
-    mode: '750'
-
-- name: add backup cronjob for easier backup/restore
-  cron:
-    name: db backup
-    job: '/usr/bin/pg_dumpall | gzip > /opt/postgresbackup/$(date "+\%Y\%m\%d-\%H\%M.sql.gz")'
-    user: postgres
-    hour: "*/4"
-    minute: 45
-
-- name: add backup cleanup cronjob
-  cron:
-    name: db backup cleanup
-    job: 'find /opt/postgresbackup/* -mtime +3 -type f -exec rm {} \;'
-    special_time: daily
+- include_tasks: backup.yml
+  when:
+  - postgresql.backup.enable
 
 - name: flush handlers so postgres is ready before other roles try to use it
   meta: flush_handlers