In between commit developing backups-cleanup

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

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+# @see https://stackoverflow.com/questions/48929553/get-hard-disk-size-in-python
+# import shutil
+import psutil
+import os
+import time
+backup_disk_path = "/media/encrypteddrive-sda/"
+backups_folder_path = os.path.join(backup_disk_path, "Backups/")
+
+
+# Helper class for statistics
+# class Disk_Statistics(object):
+#     def __init__(self):
+#         self.total = 0
+#         self.used = 0
+#         self.free = 0
+#         self.update_disc_usage()
+#
+#     def update_disc_usage(self):
+#         old_used = self.used
+#         old_free = self.free
+#         self.total, self.used, self.free = shutil.disk_usage(backup_disk_path)
+#         if [(old_used == self.used) or (old_free == self.free)]:
+#             raise Exception("The values didn't change. \n Used: %d/%d \n Free: %d/%d" % (old_used,self.used, old_free,self.free))
+#
+#     def get_used_space_percent(self):
+#         return (self.used/self.total)*100
+#
+#
+# disk_statistics = Disk_Statistics()
+
+while psutil.disk_usage(backup_disk_path).percent > 52:
+    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):
+        primary_directory = os.path.join(backups_folder_path, primary_directory)
+        for application_directory in os.listdir(primary_directory):
+            time.sleep(5)
+            application_directory = os.path.join(primary_directory, application_directory)
+            diffs_directory = os.path.join(application_directory, "diffs/")
+            diffs = os.listdir(diffs_directory)
+            diffs.sort(reverse=False)
+            delete_diff = diffs_directory + diffs[0]
+            print("Deleting %s and free %s space..." % (delete_diff))
+            #shutil.rmtree(delete_diff)
+            #disk_statistics.update_disc_usage()

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

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+dependencies:
+- native-python-pip

roles/native-backups-cleanup/readme.md

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+# role native-backups-cleanup
+
+Cleans up old backups

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

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+- name: install psutil
+  pip:
+    name: psutil

roles/native-python-pip/tasks/main.yml

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+---
+- name: python pip install
+  pacman:
+    name: python-pip
+    state: present