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Implemented deletion of not fully pulled backups

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Kevin Veen-Birkenbach
2023-04-25 21:39:44 +02:00
parent 04671e283b
commit 36e41b8c99
22 changed files with 56 additions and 29 deletions
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60
roles/server_native-backups-cleanup/files/backups-cleanup.py
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@@ -2,6 +2,7 @@ import psutil
import shutil
import os
import argparse
import sys
# Validating arguments
parser = argparse.ArgumentParser()
@@ -9,24 +10,41 @@ parser.add_argument('--maximum-backup-size-percent', type=int, dest='maximum_bac
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()
deleted = True
while psutil.disk_usage(args.backups_folder_path).percent > args.maximum_backup_size_percent and deleted:
deleted = False
print("%d %% of disk %s are used. Freeing space..." % (psutil.disk_usage(args.backups_folder_path).percent,args.backups_folder_path))
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)
if len(versions) >= 1:
delete_diff = versions_directory + versions[0]
print("Deleting %s..." % (delete_diff))
shutil.rmtree(delete_diff)
deleted = True
if not deleted:
print("All versions had been deleted!")
print("Cleaning up finished: %d %% of disk %s are used." % (psutil.disk_usage(args.backups_folder_path).percent,args.backups_folder_path))
def print_used_disc_space():
print("%d %% of disk %s are used" % (psutil.disk_usage(args.backups_folder_path).percent,args.backups_folder_path))
warning_counter=0
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)
versions_counter=len(versions)
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 psutil.disk_usage(args.backups_folder_path).percent > args.maximum_backup_size_percent:
if versions_counter >= 1:
print("Deleting %s to free space" % (version_path))
shutil.rmtree(version_path)
versions_counter-=1
else:
print("Deletion not possible. There needs to be at least one backup version")
warning_counter+=1
elif os.path.exists(version_status_pulling_path):
last_version=versions[-1]
if last_version != version:
print("Deleting %s due to unfinished pull" % (version_path))
shutil.rmtree(version_path)
versions_counter-=1
print_used_disc_space()
print("Cleaning up finished.")
sys.exit(warning_counter)