docker_images/odoo/backups/plan.py

52 lines
1.2 KiB
Python

# -*- coding: utf-8 -*-
"""
Backup plan for Odoo databases
::::::::::::::::::::::::::::::
Keep :
- all saves the last week
- one save per week the last month
- one save per month the last year
"""
from datetime import datetime
from os import unlink
from glob import glob
DT = datetime.now()
def notkeep(fname):
""" Filter all obsolete save files """
fname = fname.split('/')[-1]
fname = fname.split('_')
if len(fname) <= 1:
return False
save_date = fname[0]
save_date = datetime.strptime(save_date, '%Y-%m-%d')
delta = DT - save_date
if delta.days > 365:
return True
elif delta.days > 31:
if save_date.day != 1:
return True
elif delta.days > 7:
if (save_date.weekday() != 0) and (save_date.day != 1):
return True
else:
return False
# Filters zip files and keeps only legitimate ones
# ================================================
FILES = glob('backups/*.zip')
BACKUPS_TO_REMOVE = filter(notkeep, FILES)
if len(BACKUPS_TO_REMOVE) > 0:
print('Save files outdated, will be deleted : \n\n* ' +
'\n* '.join(BACKUPS_TO_REMOVE))
for b in BACKUPS_TO_REMOVE:
unlink(b)