mirror of
https://github.com/kevinveenbirkenbach/computer-playbook.git
synced 2024-11-14 00:41:06 +01:00
63 lines
3.0 KiB
Python
63 lines
3.0 KiB
Python
import psutil
|
|
import shutil
|
|
import os
|
|
import argparse
|
|
import subprocess
|
|
|
|
# Validating arguments
|
|
parser = argparse.ArgumentParser()
|
|
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.")
|
|
parser.add_argument('--backups-folder-path',type=str,dest='backups_folder_path',required=True, help="The folder in which the backups are stored")
|
|
args = parser.parse_args()
|
|
|
|
def print_used_disc_space():
|
|
print("%d %% of disk %s are used" % (psutil.disk_usage(args.backups_folder_path).percent,args.backups_folder_path))
|
|
|
|
def is_directory_used_by_another_process(directory_path):
|
|
command= "lsof " + directory_path
|
|
process = subprocess.Popen([command], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
|
|
output, error = process.communicate()
|
|
# @See https://stackoverflow.com/questions/29841984/non-zero-exit-code-for-lsof
|
|
if process.wait() > bool(0):
|
|
return False
|
|
return True
|
|
|
|
for host_backup_directory_name in os.listdir(args.backups_folder_path):
|
|
host_backup_directory_path = os.path.join(args.backups_folder_path, host_backup_directory_name)
|
|
for application_directory in os.listdir(host_backup_directory_path):
|
|
|
|
# The directory which contains all backup versions of the application
|
|
versions_directory = os.path.join(host_backup_directory_path, application_directory) + "/"
|
|
|
|
versions = os.listdir(versions_directory)
|
|
versions.sort(reverse=False)
|
|
|
|
print_used_disc_space()
|
|
for version in versions:
|
|
version_path=os.path.join(versions_directory, version)
|
|
version_status_pulling_path=os.path.join(versions_directory, version, ".pulling")
|
|
print("Checking directory %s ..." % (version_path))
|
|
if version == versions[-1]:
|
|
print("Directory %s contains the last version of the backup. Skipped." % (version_path))
|
|
continue
|
|
|
|
if is_directory_used_by_another_process(version_path):
|
|
print("Directory %s is used by another process. Skipped." % (version_path))
|
|
continue
|
|
|
|
old_disc_usage_percent=psutil.disk_usage(args.backups_folder_path).percent
|
|
if old_disc_usage_percent > args.maximum_backup_size_percent:
|
|
print("Deleting %s to free space." % (version_path))
|
|
shutil.rmtree(version_path)
|
|
new_disc_usage_percent=psutil.disk_usage(args.backups_folder_path).percent
|
|
difference_percent=old_disc_usage_percent-new_disc_usage_percent
|
|
print("{:6.2f} %% of drive freed".format(difference_percent))
|
|
continue
|
|
|
|
if os.path.exists(version_status_pulling_path):
|
|
print("Deleting %s due to unfinished pull." % (version_path))
|
|
shutil.rmtree(version_path)
|
|
continue
|
|
|
|
print_used_disc_space()
|
|
print("Cleaning up finished.") |