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

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# @see https://stackoverflow.com/questions/48929553/get-hard-disk-size-in-python
import psutil
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import shutil
import os
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backup_disk_path = "{{backup_disk_path}}"
backups_folder_path = os.path.join(backup_disk_path, "Backups/")
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deleted = True
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while psutil.disk_usage(backup_disk_path).percent > int({{backup_space_percent}}) and deleted:
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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):
primary_directory = os.path.join(backups_folder_path, primary_directory)
for application_directory in os.listdir(primary_directory):
application_directory = os.path.join(primary_directory, application_directory)
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versions_directory = os.path.join(application_directory, "versions/")
versions = os.listdir(versions_directory)
versions.sort(reverse=False)
if len(versions) >= 1:
delete_diff = versions_directory + versions[0]
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print("Deleting %s..." % (delete_diff))
shutil.rmtree(delete_diff)
deleted = True
if not deleted:
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print("All versions had been deleted!")
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print("Cleaning up finished: %d %% of disk %s are used." % (psutil.disk_usage(backup_disk_path).percent,backup_disk_path))