def _backup(min_interval=MIN_INTERVAL, backup_dir=BACKUP_DIR, data_dir=DATA_DIR):
b_file, b_mtime = _youngest_backup(backup_dir)
y_mtime = _datetime_mtime(DATA_DIR)
#_, y_mtime = _youngest_file(data_dir)
# If we have a back-up arch and no file has changed since the back-up or
# the delay has not expired, return
if b_file is not None and (y_mtime <= b_mtime
or (y_mtime - b_mtime) < min_interval):
return
# Here we do use UTC
backup_filename = (_safe_dirname(data_dir) + '-'
+ datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
+ '.' + TAR_GZ_SUFFIX)
backup_path = abspath(join_path(backup_dir, backup_filename))
data_dir_parent = join_path(data_dir, '../')
#TODO: Check the exit signals!
cmd = 'tar -c -z -f %s -C %s %s' % (backup_path,
data_dir_parent, _safe_dirname(data_dir))
tar_p = Popen(split_shlex(cmd))
tar_p.wait()
checksum_base = join_path(backup_dir, CHECKSUM_FILENAME)
with open(checksum_base + '.' + 'MD5', 'a') as md5_file:
# *NIX could have used m5sum instead
md5_cmd = 'md5sum %s' % (backup_filename)
md5_p = Popen(split_shlex(md5_cmd), stdout=md5_file, cwd=backup_dir)
md5_p.wait()
with open(checksum_base + '.' + 'SHA256', 'a') as sha256_file:
sha256_cmd = 'shasum -a 256 %s' % (backup_filename)
sha256_p = Popen(split_shlex(sha256_cmd), stdout=sha256_file, cwd=backup_dir)
sha256_p.wait()
def _backup(min_interval=MIN_INTERVAL,
backup_dir=BACKUP_DIR,
data_dir=DATA_DIR):
"""
Backup main internal function
"""
b_file, b_mtime = _youngest_backup(backup_dir)
y_mtime = _datetime_mtime(DATA_DIR)
#_, y_mtime = _youngest_file(data_dir)
# If we have a back-up arch and no file has changed since the back-up or
# the delay has not expired, return
if b_file is not None and (y_mtime <= b_mtime or
(y_mtime - b_mtime) < min_interval):
return
# Here we do use UTC
backup_filename = (_safe_dirname(data_dir) + '-' +
datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ') + '.' +
TAR_GZ_SUFFIX)
backup_path = abspath(join_path(backup_dir, backup_filename))
data_dir_parent = join_path(data_dir, '../')
# TODO: Check the exit signals!
# TODO: use tarfile anbd gzip modules instead
cmd = 'tar -c -z -f %s -C %s %s' % (backup_path, data_dir_parent,
_safe_dirname(data_dir))
tar_p = Popen(split_shlex(cmd))
tar_p.wait()
_update_checksum(backup_dir, backup_filename)
def _update_checksum(backup_dir, backup_filename):
"""
Update md5 and SHA256 checksums
"""
checksum_base = join_path(backup_dir, CHECKSUM_FILENAME)
with open(checksum_base + '.' + 'MD5', 'a') as md5_file:
# *NIX could have used m5sum instead
md5_cmd = 'md5sum %s' % (backup_filename)
md5_p = Popen(split_shlex(md5_cmd), stdout=md5_file, cwd=backup_dir)
md5_p.wait()
with open(checksum_base + '.' + 'SHA256', 'a') as sha256_file:
sha256_cmd = 'shasum -a 256 %s' % (backup_filename)
sha256_p = Popen(split_shlex(sha256_cmd),
stdout=sha256_file,
cwd=backup_dir)
sha256_p.wait()
def apply_changes(self):
p = subprocess.Popen(split_shlex('netplan apply'))
p.communicate()
self.restart_ifaces()
if p.returncode != 0:
return n4d.responses.build_successful_call_response(False)
if self.resolved_path.exists():
self.systemdmanager.RestartUnit("systemd-resolved.service",
"replace")
return n4d.responses.build_successful_call_response(True)
def _backup(
min_interval=MIN_INTERVAL,
backup_dir=BACKUP_DIR,
data_dir=DATA_DIR):
b_file, b_mtime = _youngest_backup(backup_dir)
y_mtime = _datetime_mtime(DATA_DIR)
#_, y_mtime = _youngest_file(data_dir)
# If we have a back-up arch and no file has changed since the back-up or
# the delay has not expired, return
if b_file is not None and (y_mtime <= b_mtime
or (y_mtime - b_mtime) < min_interval):
return
# Here we do use UTC
backup_filename = (_safe_dirname(data_dir) + '-'
+ datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ')
+ '.' + TAR_GZ_SUFFIX)
backup_path = abspath(join_path(backup_dir, backup_filename))
data_dir_parent = join_path(data_dir, '../')
# TODO: Check the exit signals!
cmd = 'tar -c -z -f %s -C %s %s' % (backup_path,
data_dir_parent,
_safe_dirname(data_dir))
tar_p = Popen(split_shlex(cmd))
tar_p.wait()
checksum_base = join_path(backup_dir, CHECKSUM_FILENAME)
with open(checksum_base + '.' + 'MD5', 'a') as md5_file:
# *NIX could have used m5sum instead
md5_cmd = 'md5sum %s' % (backup_filename)
md5_p = Popen(split_shlex(md5_cmd), stdout=md5_file, cwd=backup_dir)
md5_p.wait()
with open(checksum_base + '.' + 'SHA256', 'a') as sha256_file:
sha256_cmd = 'shasum -a 256 %s' % (backup_filename)
sha256_p = Popen(
split_shlex(sha256_cmd),
stdout=sha256_file,
cwd=backup_dir)
sha256_p.wait()
def normalize_and_split(tag):
tag_cleansed = tag[1:-1]
return split_shlex(tag_cleansed)