mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2024-12-24 03:05:03 +01:00
57 lines
2.7 KiB
Python
57 lines
2.7 KiB
Python
import psutil
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import shutil
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import os
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import argparse
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import subprocess
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# Validating arguments
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parser = argparse.ArgumentParser()
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parser.add_argument('--maximum-backup-size-percent', type=int, dest='maximum_backup_size_percent',required=True, choices=range(0,100), help="The directory from which the data should be encrypted.")
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parser.add_argument('--backups-folder-path',type=str,dest='backups_folder_path',required=True, help="The folder in which the backups are stored")
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args = parser.parse_args()
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def print_used_disc_space():
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print("%d %% of disk %s are used" % (psutil.disk_usage(args.backups_folder_path).percent,args.backups_folder_path))
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def is_directory_used_by_another_process(directory_path):
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command= "lsof " + directory_path
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process = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
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output, error = process.communicate()
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# @See https://stackoverflow.com/questions/29841984/non-zero-exit-code-for-lsof
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if process.wait() > bool(0):
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return False
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return True
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for host_backup_directory_name in os.listdir(args.backups_folder_path):
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host_backup_directory_path = os.path.join(args.backups_folder_path, host_backup_directory_name)
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for application_directory in os.listdir(host_backup_directory_path):
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# The directory which contains all backup versions of the application
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versions_directory = os.path.join(host_backup_directory_path, application_directory) + "/"
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versions = os.listdir(versions_directory)
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versions.sort(reverse=False)
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print_used_disc_space()
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for version in versions:
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version_path=os.path.join(versions_directory, version)
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print("Checking directory %s ..." % (version_path))
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if version == versions[-1]:
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print("Directory %s contains the last version of the backup. Skipped." % (version_path))
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continue
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if is_directory_used_by_another_process(version_path):
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print("Directory %s is used by another process. Skipped." % (version_path))
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continue
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old_disc_usage_percent=psutil.disk_usage(args.backups_folder_path).percent
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if old_disc_usage_percent > args.maximum_backup_size_percent:
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print("Deleting %s to free space." % (version_path))
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shutil.rmtree(version_path)
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new_disc_usage_percent=psutil.disk_usage(args.backups_folder_path).percent
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difference_percent=old_disc_usage_percent-new_disc_usage_percent
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print("{:6.2f} %% of drive freed".format(difference_percent))
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continue
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print_used_disc_space()
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print("Cleaning up finished.") |