def __init__(self, config):
super().__init__(config)
self.interval = utils.get_interval_from_str(config['interval'])
self.do_compress = config['compress']
self.cpu_limit = config.get('cpu_limit')
self.check = config['check']
self.src_dir = config['src']
if not os.path.isabs(self.src_dir):
raise BackupException("Source directory - path must be absolute: {0}".format(self.src_dir))
if not os.path.exists(self.src_dir):
raise BackupException("Source directory doesn't exist: {0}".format(self.src_dir))
def perform(self):
self.rpl = [
['DEST_DIR', self.dest_dir],
]
self.rpl = sorted(self.rpl, key=lambda x: -len(x[1]))
if self.delete_older_than is not None:
interval = utils.get_interval_from_str(self.delete_older_than)
for filename in os.listdir(self.dest_dir):
if filename.endswith(".tmp"):
continue
date = utils.get_date_from_filename(filename)
if date is None:
continue
if utils.get_date_diff_in_seconds(date, base_date) >= interval:
self.delete_backup_file(filename)
elif self.clean_day_parts:
parts = []
# extract parts from string
cur_date = base_date.date()
for p in self.clean_day_parts.split(","):
days = int(p.strip())
start_date = cur_date - timedelta(days - 1)
end_date = cur_date
cur_date = start_date - timedelta(1)
parts.append({"from": start_date, "to": end_date, "file_to_keep": None})
# assign files to parts
for filename in os.listdir(self.dest_dir):
if filename.endswith(".tmp"):
continue
date = utils.get_date_from_filename(filename)
if date is None:
continue
date = date.date()
for p in parts:
if date >= p["from"] and date <= p["to"]:
if p["file_to_keep"] is None or utils.get_date_from_filename(p["file_to_keep"]).date() > date:
p["file_to_keep"] = filename
# gather all files to keep
report.log_msg("Current backups state")
files_to_keep = []
for p in parts:
if p["file_to_keep"] is not None:
files_to_keep.append(p["file_to_keep"])
file_date = utils.get_date_from_filename(p["file_to_keep"])
file_str = "{0[file_to_keep]} ({1})".format(p, ago_format(base_date - file_date))
else:
file_str = 'no file'
report.log_state("[{0[from]}, {0[to]}] file: {1}".format(p, file_str))
for filename in os.listdir(self.dest_dir):
if filename.endswith(".tmp"):
continue
date = utils.get_date_from_filename(filename)
if date is None:
continue
date = date.date()
if not filename in files_to_keep:
self.delete_backup_file(filename)