def full_backup(path, cache_path=None):
if cache_path is None:
cache_path = tempfile.gettempdir()
backup_date = datetime.utcnow()
backup_dir = Dir(path)
backup_key = backup_dir.path.strip('/').split('/')[-1]
backup_dir_state = DirState(backup_dir)
state_file = backup_dir_state.to_json(cache_path, dt=backup_date, fmt='{0}.state.{1}.json')
created_file = FileFinder.make_key('full',
backup_key,
backup_date)
created_file = os.path.join(cache_path, created_file)
backup_dir.compress_to(created_file)
# Create a new SigVault
sigvault_file = FileFinder.make_key('sigvault',
backup_key,
backup_date)
sigvault_file = os.path.join(CACHE_PATH, sigvault_file)
sv = sigvault.open_vault(sigvault_file, 'w', base_path=backup_dir.path)
for f in backup_dir.iterfiles():
sv.add(f)
sv.close()
files = [state_file, created_file, sigvault_file]
files = [{'path': f, 'size': os.path.getsize(f)} for f in files]
total = sum([f['size'] for f in files])
return {'backup_key': backup_key, 'backup_date': backup_date, 'files': files, 'total': total}
def full_backup(path, cache_path=None):
if cache_path is None:
cache_path = tempfile.gettempdir()
backup_date = datetime.utcnow()
backup_dir = Dir(path)
backup_key = backup_dir.path.strip('/').split('/')[-1]
backup_dir_state = DirState(backup_dir)
state_file = backup_dir_state.to_json(cache_path,
dt=backup_date,
fmt='{0}.state.{1}.json')
created_file = FileFinder.make_key('full', backup_key, backup_date)
created_file = os.path.join(cache_path, created_file)
backup_dir.compress_to(created_file)
# Create a new SigVault
sigvault_file = FileFinder.make_key('sigvault', backup_key, backup_date)
sigvault_file = os.path.join(CACHE_PATH, sigvault_file)
sv = sigvault.open_vault(sigvault_file, 'w', base_path=backup_dir.path)
for f in backup_dir.iterfiles():
sv.add(f)
sv.close()
files = [state_file, created_file, sigvault_file]
files = [{'path': f, 'size': os.path.getsize(f)} for f in files]
total = sum([f['size'] for f in files])
return {
'backup_key': backup_key,
'backup_date': backup_date,
'files': files,
'total': total
}
def incremental_backup(path, cache_path=None):
if cache_path is None:
cache_path = tempfile.gettempdir()
files = []
backup_date = datetime.utcnow()
backup_dir = Dir(path)
backup_key = backup_dir.path.strip('/').split('/')[-1]
# TODO check if it's really the last state on the remote storage
last_state = Dir(cache_path).get('{0}.state.*'.format(backup_key),
sort_reverse=True,
abspath=True)
last_state = DirState.from_json(last_state)
current_state = DirState(backup_dir)
last_sv = sigvault.SigVaultReader(CACHE_PATH, backup_key)
diff = current_state - last_state
state_file = current_state.to_json(cache_path,
dt=backup_date,
fmt='{0}.state.{1}.json')
files.append(state_file)
created_file = FileFinder.make_key('created', backup_key, backup_date)
created_file = os.path.join(cache_path, created_file)
# Store files from diff['created'] into a new archive
created_file = process_created(created_file, diff['created'],
backup_dir.path)
if created_file:
files.append(created_file)
updated_file = FileFinder.make_key('updated', backup_key, backup_date)
updated_file = os.path.join(cache_path, updated_file)
# Compute and store delta from the list of updated files
updated_file = process_updated(updated_file, diff['updated'],
backup_dir.path, last_sv)
if updated_file:
files.append(updated_file)
if diff['created'] or diff['updated']:
sigvault_file = FileFinder.make_key('sigvault', backup_key,
backup_date)
sigvault_file = os.path.join(CACHE_PATH, sigvault_file)
new_sv = sigvault.open_vault(sigvault_file,
'w',
base_path=backup_dir.path)
for f in itertools.chain(diff['created'], diff['updated']):
new_sv.add(f)
new_sv.close()
files.append(sigvault_file)
files = [{'path': f, 'size': os.path.getsize(f)} for f in files]
total = sum([f['size'] for f in files])
return {
'backup_key': backup_key,
'backup_date': backup_date,
'files': files,
'total': total
}
def incremental_backup(path, cache_path=None):
if cache_path is None:
cache_path = tempfile.gettempdir()
files = []
backup_date = datetime.utcnow()
backup_dir = Dir(path)
backup_key = backup_dir.path.strip('/').split('/')[-1]
# TODO check if it's really the last state on the remote storage
last_state = Dir(cache_path).get('{0}.state.*'.format(backup_key), sort_reverse=True, abspath=True)
last_state = DirState.from_json(last_state)
current_state = DirState(backup_dir)
last_sv = sigvault.SigVaultReader(CACHE_PATH, backup_key)
diff = current_state - last_state
state_file = current_state.to_json(cache_path, dt=backup_date, fmt='{0}.state.{1}.json')
files.append(state_file)
created_file = FileFinder.make_key('created',
backup_key,
backup_date)
created_file = os.path.join(cache_path, created_file)
# Store files from diff['created'] into a new archive
created_file = process_created(created_file,
diff['created'],
backup_dir.path)
if created_file:
files.append(created_file)
updated_file = FileFinder.make_key('updated',
backup_key,
backup_date)
updated_file = os.path.join(cache_path, updated_file)
# Compute and store delta from the list of updated files
updated_file = process_updated(updated_file,
diff['updated'],
backup_dir.path,
last_sv)
if updated_file:
files.append(updated_file)
if diff['created'] or diff['updated']:
sigvault_file = FileFinder.make_key('sigvault',
backup_key,
backup_date)
sigvault_file = os.path.join(CACHE_PATH, sigvault_file)
new_sv = sigvault.open_vault(sigvault_file, 'w', base_path=backup_dir.path)
for f in itertools.chain(diff['created'], diff['updated']):
new_sv.add(f)
new_sv.close()
files.append(sigvault_file)
files = [{'path': f, 'size': os.path.getsize(f)} for f in files]
total = sum([f['size'] for f in files])
return {'backup_key': backup_key, 'backup_date': backup_date, 'files': files, 'total': total}
