Add cronjob

defaults/main.yml

@@ -8,6 +8,8 @@ postgresql_backup:
   backup_dir: /var/backup/postgresql
   date_format: '%Y-%m-%d_%H-%M'
   user: root
+  cron_minute: '*'
+  cron_hour: '0'
   databases: []
 #   - name: psql_database_name
 #     user: psql_database_user

tasks/main.yml

@@ -16,3 +16,13 @@
     owner: "{{ postgresql_backup.user }}"
     backup: true
     mode: 0755
+
+- name: add backup script as cronjob
+  become: true
+  cron:
+    name: backup postgres database
+    cron_file: /etc/crontab
+    minute: "{{ postgresql_backup.cron_minute | default( '*' ) }}"
+    hour: "{{ postgresql_backup.cron_hour | default( '0' ) }}"
+    job: /etc/postgresql-backup-script.sh
+    user: "{{ postgresql_backup.user }}"

templates/postgresql-backup-script.sh

@@ -15,7 +15,7 @@ create_backup_dir() {
 
 backup_databases() {
   {% for db in postgresql_backup.databases %}
-  if (umask 077 && pg_dump -F c -h "{{ db.host | defaul( 'localhost' ) }}" -U "{{ db.user | default( 'postgres' ) }}" -p "{{ db.port | default( '5432' ) }}" "{{ db.name }}" -f "{{ db.name }}.in_progress.psql"); then
+  if (umask 077 && pg_dump -F c -h "{{ db.host | default( 'localhost' ) }}" -U "{{ db.user | default( 'postgres' ) }}" -p "{{ db.port | default( '5432' ) }}" "{{ db.name }}" -f "{{ db.name }}.in_progress.psql"); then
 	  mv "{{ db.name }}.in_progress.psql" "{{ db.name }}.psql"
   else
 	  return 1

vars/main.yml

@@ -1,6 +1,6 @@
 ---
 # versionscheck
-playbook_version_number: 13 # should be int
+playbook_version_number: 15 # should be int
 playbook_version_path: 'role-postgresql-backup_roles-ansible_github.com.version' # unique string
 
 _postgresql_backup:
@@ -9,4 +9,6 @@ _postgresql_backup:
   backup_dir: /var/backup/postgresql
   date_format: '%Y-%m-%d_%H-%M'
   user: root
+  cron_minute: '*'
+  cron_hour: '0'
   databases: []