optimized backups-cleanup

roles/native-backups-cleanup/files/backups-cleanup.service

@@ -0,0 +1,7 @@
+[Unit]
+Description=delete old backups
+OnFailure=systemd-email@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/usr/bin/python /usr/local/bin/backups-cleanup.py

roles/native-backups-cleanup/files/backups-cleanup.timer

@@ -0,0 +1,9 @@
+[Unit]
+Description=starts backups-cleanup.service
+
+[Timer]
+OnCalendar=19:00
+RandomizedDelaySec=1h
+
+[Install]
+WantedBy=timers.target

roles/native-backups-cleanup/handlers/main.yml

@@ -0,0 +1,12 @@
+- name: "restart backups-cleanup.service"
+  systemd:
+    name: backups-cleanup.service
+    state: restarted
+    enabled: yes
+    daemon_reload: yes
+- name: "restart backups-cleanup.timer"
+  systemd:
+    name: backups-cleanup.timer
+    state: restarted
+    enabled: yes
+    daemon_reload: yes

roles/native-backups-cleanup/meta/main.yml

@@ -1,2 +1,3 @@
 dependencies:
   - native-python-pip
+  - native-systemd-email

roles/native-backups-cleanup/tasks/main.yml

@@ -1,3 +1,18 @@
 - name: install psutil
   pip:
     name: psutil
+
+- name: create backups-cleanup.py
+  template: src=backups-cleanup.py.j2 dest=/usr/local/bin/backups-cleanup.py
+
+- name: create backups-cleanup.service
+  copy:
+    src: backups-cleanup.service
+    dest: "/etc/systemd/system/backups-cleanup.service"
+  notify: restart backups-cleanup.service
+
+- name: create backups-cleanup.timer
+  copy:
+    src: backups-cleanup.timer
+    dest: "/etc/systemd/system/backups-cleanup.timer"
+  notify: restart backups-cleanup.timer

roles/native-backups-cleanup/templates/backups-cleanup.py.j2

@@ -2,10 +2,10 @@
 import psutil
 import shutil
 import os
-backup_disk_path = "/media/encrypteddrive-sda/"
+backup_disk_path = "{{backup_disk_path}}"
 backups_folder_path = os.path.join(backup_disk_path, "Backups/")
 deleted = True
-while psutil.disk_usage(backup_disk_path).percent > 50 and deleted:
+while psutil.disk_usage(backup_disk_path).percent > int({{backup_space_percent}}) and deleted:
     deleted = False
     print("%d %% of disk %s are used. Freeing space..." % (psutil.disk_usage(backup_disk_path).percent,backup_disk_path))
     for primary_directory in os.listdir(backups_folder_path):

site.yml

@@ -39,6 +39,11 @@
   become: true
   roles:
     - role: native-pull-primary-backups
+- name: setup backups cleanup
+  hosts: backups_cleanup
+  become: true
+  roles:
+    - role: native-backups-cleanup
 - name: setup homepages
   hosts: homepage_hosts
   become: true