def retrieve_backup_data(self, object_name, output_filepath=None):
"""
Argument:
object_name: delete target object name
"""
if (client.is_container(self.token, self.storage_url,
self.container_name, verify=self.verify) and
client.is_object(self.token, self.storage_url,
self.container_name, object_name,
verify=self.verify)):
rc, content = client.retrieve_object(self.token,
self.storage_url,
self.container_name,
object_name,
verify=self.verify)
if not rc:
raise RuntimeError('Failed to retrieve the object "%s"'
% object_name)
if output_filepath:
fpath = os.path.abspath(output_filepath)
dpath = os.path.dirname(fpath)
if not os.path.isdir(dpath):
raise IOError('No such directory "%s"' % dpath)
else:
dpath = os.path.abspath(os.curdir)
fpath = os.path.join(dpath, object_name)
with open(fpath, 'w') as f:
f.write(content)
else:
raise RuntimeError('No such object "%s"' % object_name)
def delete_backup_data(self, object_name):
"""
Argument:
object_name: delete target object name
"""
if (client.is_container(self.token, self.storage_url,
self.container_name, verify=self.verify) and
client.is_object(self.token, self.storage_url,
self.container_name, object_name,
verify=self.verify)):
rc = client.delete_object(self.token,
self.storage_url,
self.container_name,
object_name,
veirfy=self.verify)
if not rc == 204:
raise RuntimeError('Failed to delete the object "%s"'
% object_name)
return True
else:
raise RuntimeError('No such object "%s"' % object_name)
def retrieve_backup_data_list(self, verbose=False):
"""
Argument:
verbose: boolean flag of listing objects
"""
if not client.is_container(self.token, self.storage_url,
self.container_name, verify=self.verify):
return []
if verbose:
backup_l = [i for i in client.list_objects(self.token,
self.storage_url,
self.container_name,
verify=self.verify)]
else:
backup_l = [i.get('name') for i
in client.list_objects(self.token,
self.storage_url,
self.container_name,
verify=self.verify)]
return backup_l
def backup_file(self, filename):
"""
Argument:
filename: path of backup target file
"""
object_name = os.path.basename(filename)
if not client.is_container(self.token, self.storage_url,
self.container_name, verify=self.verify):
# False is no container
rc = client.create_container(self.token,
self.storage_url,
self.container_name,
verify=self.verify)
if not (rc == 201 or rc == 202):
# 201; Created, 202; Accepted
raise RuntimeError('Failed to create the container "%s"'
% self.container_name, verify=self.verify)
objects_list = [object.get('name') for object in
client.list_objects(self.token,
self.storage_url,
self.container_name,
verify=self.verify)]
if object_name in objects_list:
self.rotate(filename, object_name, objects_list)
else:
rc = client.create_object(self.token,
self.storage_url,
self.container_name,
filename,
verify=self.verify)
if not (rc == 201 or rc == 202):
raise RuntimeError('Failed to create the object "%s"'
% object_name)
return True
