def backup_data(storage, path=''):
""" Backup Cassandra snapshot data directories/files.
Args:
storage: A str, the storage that is used for storing the backup.
path: A str, the full backup filename path to use for cloud backup.
Returns:
The path to the backup file on success, None otherwise.
"""
if storage not in StorageTypes().get_storage_types():
logging.error("Storage '{0}' not supported.")
return None
logging.info("Starting new db backup.")
clear_old_snapshots()
if not create_snapshot():
logging.error(
"Failed to create Cassandra snapshots. Aborting backup...")
return None
files = get_cassandra_snapshot_file_names()
if not files:
logging.error(
"No Cassandra files were found to tar up. Aborting backup...")
return None
tar_file = tar_backup_files(files)
if not tar_file:
logging.error(
'Error while tarring up snapshot files. Aborting backup...')
clear_old_snapshots()
delete_local_backup_file(tar_file)
move_secondary_backup()
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local db backup!")
clear_old_snapshots()
delete_secondary_backup()
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
move_secondary_backup()
return_value = None
else:
logging.info("Done with db backup!")
delete_secondary_backup()
# Remove local backup file(s).
clear_old_snapshots()
delete_local_backup_file(tar_file)
return return_value
def backup_data(storage, path=''):
""" Backup Cassandra snapshot data directories/files.
Args:
storage: A str, the storage that is used for storing the backup.
path: A str, the full backup filename path to use for cloud backup.
Returns:
The path to the backup file on success, None otherwise.
"""
if storage not in StorageTypes().get_storage_types():
logging.error("Storage '{0}' not supported.")
return None
logging.info("Starting new db backup.")
clear_old_snapshots()
if not create_snapshot():
logging.error("Failed to create Cassandra snapshots. Aborting backup...")
return None
files = get_cassandra_snapshot_file_names()
if not files:
logging.error("No Cassandra files were found to tar up. Aborting backup...")
return None
tar_file = tar_backup_files(files)
if not tar_file:
logging.error('Error while tarring up snapshot files. Aborting backup...')
clear_old_snapshots()
delete_local_backup_file(tar_file)
move_secondary_backup()
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local db backup!")
clear_old_snapshots()
delete_secondary_backup()
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
move_secondary_backup()
return_value = None
else:
logging.info("Done with db backup!")
delete_secondary_backup()
# Remove local backup file(s).
clear_old_snapshots()
delete_local_backup_file(tar_file)
return return_value
def backup_data(storage, path=''):
""" Backup Zookeeper directories/files.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
The path to the backup file on success, None otherwise.
"""
if storage not in StorageTypes().get_storage_types():
logging.error("Storage '{0}' not supported.")
return None
logging.info("Starting new zk backup.")
dump_zk(TMP_ZOOKEEPER_BACKUP)
tar_file = backup_recovery_helper.tar_backup_files(
[TMP_ZOOKEEPER_BACKUP], ZOOKEEPER_BACKUP_FILE_LOCATION)
if not tar_file:
logging.error(
'Error while tarring up Zookeeper files. Aborting backup...')
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.delete_local_backup_file(tar_file)
backup_recovery_helper.move_secondary_backup(tar_file)
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local zk backup!")
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.\
delete_secondary_backup(ZOOKEEPER_BACKUP_FILE_LOCATION)
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
backup_recovery_helper.move_secondary_backup(tar_file)
return_value = None
else:
logging.info("Done with zk backup!")
backup_recovery_helper.\
delete_secondary_backup(ZOOKEEPER_BACKUP_FILE_LOCATION)
# Remove local backup files.
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.delete_local_backup_file(tar_file)
return return_value
def backup_data(storage, path=''):
""" Backup Zookeeper directories/files.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
The path to the backup file on success, None otherwise.
"""
if storage not in StorageTypes().get_storage_types():
logging.error("Storage '{0}' not supported.")
return None
logging.info("Starting new zk backup.")
dump_zk(TMP_ZOOKEEPER_BACKUP)
tar_file = backup_recovery_helper.tar_backup_files([TMP_ZOOKEEPER_BACKUP],
ZOOKEEPER_BACKUP_FILE_LOCATION)
if not tar_file:
logging.error('Error while tarring up Zookeeper files. Aborting backup...')
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.delete_local_backup_file(tar_file)
backup_recovery_helper.move_secondary_backup(tar_file)
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local zk backup!")
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.\
delete_secondary_backup(ZOOKEEPER_BACKUP_FILE_LOCATION)
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
backup_recovery_helper.move_secondary_backup(tar_file)
return_value = None
else:
logging.info("Done with zk backup!")
backup_recovery_helper.\
delete_secondary_backup(ZOOKEEPER_BACKUP_FILE_LOCATION)
# Remove local backup files.
backup_recovery_helper.remove(TMP_ZOOKEEPER_BACKUP)
backup_recovery_helper.delete_local_backup_file(tar_file)
return return_value
def backup_data(storage, path=''):
""" Backup Zookeeper directories/files.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
The path to the backup file on success, None otherwise.
"""
logging.info("Starting new zk backup.")
# TODO: Tar up zookeeper data.
files = get_zookeeper_snapshot_file_names()
if not files:
logging.error(
"No Zookeeper files were found to tar up. Aborting backup...")
return None
tar_file = tar_backup_files(files)
if not tar_file:
logging.error(
'Error while tarring up snapshot files. Aborting backup...')
remove_local_backup_file(tar_file)
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local zk backup!")
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
return_value = None
else:
logging.info("Done with zk backup!")
# Remove local backup file.
remove_local_backup_file(tar_file)
return return_value
else:
logging.error("Storage '{0}' not supported.")
remove_local_backup_file()
return None
def backup_data(storage, path=''):
""" Backup Zookeeper directories/files.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
The path to the backup file on success, None otherwise.
"""
logging.info("Starting new zk backup.")
# TODO: Tar up zookeeper data.
files = get_zookeeper_snapshot_file_names()
if not files:
logging.error("No Zookeeper files were found to tar up. Aborting backup...")
return None
tar_file = tar_backup_files(files)
if not tar_file:
logging.error('Error while tarring up snapshot files. Aborting backup...')
remove_local_backup_file(tar_file)
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local zk backup!")
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
return_value = None
else:
logging.info("Done with zk backup!")
# Remove local backup file.
remove_local_backup_file(tar_file)
return return_value
else:
logging.error("Storage '{0}' not supported.")
remove_local_backup_file()
return None
def app_backup(storage, full_bucket_name=None):
""" Saves the app source code at the backups location on the filesystem.
Args:
storage: A str, one of the StorageTypes class members.
full_bucket_name: A str, the name of the backup file to upload to remote
storage.
Returns:
True on success, False otherwise.
"""
# Create app backups dir if it doesn't exist.
if not makedirs(APP_BACKUP_DIR_LOCATION):
logging.warning(
"Dir '{0}' already exists. Skipping dir creation...".format(
APP_BACKUP_DIR_LOCATION))
for dir_path, _, filenames in os.walk(APP_DIR_LOCATION):
for filename in filenames:
# Copy source code tars to backups location.
source = '{0}/{1}'.format(dir_path, filename)
destination = '{0}/{1}'.format(APP_BACKUP_DIR_LOCATION, filename)
try:
shutil.copy(source, destination)
except Exception:
logging.error("Error while backing up '{0}'. ".format(source))
delete_app_tars(APP_BACKUP_DIR_LOCATION)
return False
# Upload to GCS.
if storage == StorageTypes.GCS:
source = '{0}/{1}'.format(APP_DIR_LOCATION, filename)
destination = '{0}/apps/{1}'.format(full_bucket_name, filename)
logging.debug("Destination: {0}".format(destination))
if not gcs_helper.upload_to_bucket(destination, source):
logging.error(
"Error while uploading '{0}' to GCS. ".format(source))
delete_app_tars(APP_BACKUP_DIR_LOCATION)
return False
return True
def test_upload_to_bucket(self):
# Suppress logging output.
flexmock(logging).should_receive('error').and_return()
# Test with missing local file.
flexmock(backup_recovery_helper).should_receive('does_file_exist').\
and_return(False)
self.assertEquals(
False, gcs_helper.upload_to_bucket(FakeGCSPath, 'some/file'))
# Test with invalid GCS object name.
flexmock(backup_recovery_helper).should_receive('does_file_exist').\
and_return(True)
flexmock(gcs_helper).should_receive('extract_gcs_tokens').\
and_return(('', ''))
self.assertEquals(
False, gcs_helper.upload_to_bucket(FakeInvalidGCSPath,
'some/file'))
# Test with valid GCS object name.
flexmock(gcs_helper).should_receive(
'extract_gcs_tokens').with_args(FakeGCSPath).\
and_return(('foo', 'bar/baz.tar.gz'))
# Test with successful POST request.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_return(FakeResponse())
flexmock(gcs_helper).should_receive('gcs_put_request').and_return()
self.assertEquals(
True, gcs_helper.upload_to_bucket(FakeGCSPath, 'some/file'))
# Test with HTTPError from POST request.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_raise(requests.HTTPError)
self.assertEquals(
False, gcs_helper.upload_to_bucket(FakeGCSPath, 'some/file'))
# Test with missing Location from POST response.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_return(FakeInvalidResponse())
self.assertEquals(
False, gcs_helper.upload_to_bucket(FakeGCSPath, 'some/file'))
# Test with HTTPError from PUT request.
flexmock(gcs_helper).should_receive('gcs_put_request').\
and_raise(requests.HTTPError)
self.assertEquals(
False, gcs_helper.upload_to_bucket(FakeGCSPath, 'some/file'))
def app_backup(storage, full_bucket_name=None):
""" Saves the app source code at the backups location on the filesystem.
Args:
storage: A str, one of the StorageTypes class members.
full_bucket_name: A str, the name of the backup file to upload to remote
storage.
Returns:
True on success, False otherwise.
"""
# Create app backups dir if it doesn't exist.
if not makedirs(APP_BACKUP_DIR_LOCATION):
logging.warning("Dir '{0}' already exists. Skipping dir creation...".
format(APP_BACKUP_DIR_LOCATION))
for dir_path, _, filenames in os.walk(APP_DIR_LOCATION):
for filename in filenames:
# Copy source code tars to backups location.
source = '{0}/{1}'.format(dir_path, filename)
destination = '{0}/{1}'.format(APP_BACKUP_DIR_LOCATION, filename)
try:
shutil.copy(source, destination)
except Exception:
logging.error("Error while backing up '{0}'. ".format(source))
delete_app_tars(APP_BACKUP_DIR_LOCATION)
return False
# Upload to GCS.
if storage == StorageTypes.GCS:
source = '{0}/{1}'.format(APP_DIR_LOCATION, filename)
destination = '{0}/apps/{1}'.format(full_bucket_name, filename)
logging.debug("Destination: {0}".format(destination))
if not gcs_helper.upload_to_bucket(destination, source):
logging.error("Error while uploading '{0}' to GCS. ".format(source))
delete_app_tars(APP_BACKUP_DIR_LOCATION)
return False
return True
def test_upload_to_bucket(self):
# Suppress logging output.
flexmock(logging).should_receive('error').and_return()
# Test with missing local file.
flexmock(backup_recovery_helper).should_receive('does_file_exist').\
and_return(False)
self.assertEquals(False, gcs_helper.upload_to_bucket(FakeGCSPath,
'some/file'))
# Test with invalid GCS object name.
flexmock(backup_recovery_helper).should_receive('does_file_exist').\
and_return(True)
flexmock(gcs_helper).should_receive('extract_gcs_tokens').\
and_return(('', ''))
self.assertEquals(False, gcs_helper.upload_to_bucket(FakeInvalidGCSPath,
'some/file'))
# Test with valid GCS object name.
flexmock(gcs_helper).should_receive(
'extract_gcs_tokens').with_args(FakeGCSPath).\
and_return(('foo', 'bar/baz.tar.gz'))
# Test with successful POST request.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_return(FakeResponse())
flexmock(gcs_helper).should_receive('gcs_put_request').and_return()
self.assertEquals(True, gcs_helper.upload_to_bucket(FakeGCSPath,
'some/file'))
# Test with HTTPError from POST request.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_raise(requests.HTTPError)
self.assertEquals(False, gcs_helper.upload_to_bucket(FakeGCSPath,
'some/file'))
# Test with missing Location from POST response.
flexmock(gcs_helper).should_receive('gcs_post_request').\
and_return(FakeInvalidResponse())
self.assertEquals(False, gcs_helper.upload_to_bucket(FakeGCSPath,
'some/file'))
# Test with HTTPError from PUT request.
flexmock(gcs_helper).should_receive('gcs_put_request').\
and_raise(requests.HTTPError)
self.assertEquals(False, gcs_helper.upload_to_bucket(FakeGCSPath,
'some/file'))
def backup_data(storage, path=''):
""" Backup Cassandra snapshot data directories/files.
Args:
storage: A str, the storage that is used for storing the backup.
path: A str, the full backup filename path to use for cloud backup.
Returns:
The path to the backup file on success, None otherwise.
"""
if storage not in StorageTypes().get_storage_types():
logging.error("Storage '{0}' not supported.")
return None
logging.info("Starting new db backup.")
clear_old_snapshots()
if not create_snapshot():
logging.error("Failed to create Cassandra snapshots. Aborting backup...")
return None
files = backup_recovery_helper.get_snapshot_paths('cassandra')
if not files:
logging.error("No Cassandra files were found to tar up. Aborting backup...")
return None
if not backup_recovery_helper.enough_disk_space('cassandra'):
logging.error("There's not enough available space to create another db"
"backup. Aborting...")
return None
tar_file = backup_recovery_helper.tar_backup_files(files,
CASSANDRA_BACKUP_FILE_LOCATION)
if not tar_file:
logging.error('Error while tarring up snapshot files. Aborting backup...')
clear_old_snapshots()
backup_recovery_helper.delete_local_backup_file(tar_file)
backup_recovery_helper.move_secondary_backup(tar_file)
return None
if storage == StorageTypes.LOCAL_FS:
logging.info("Done with local db backup!")
clear_old_snapshots()
backup_recovery_helper.\
delete_secondary_backup(CASSANDRA_BACKUP_FILE_LOCATION)
return tar_file
elif storage == StorageTypes.GCS:
return_value = path
# Upload to GCS.
if not gcs_helper.upload_to_bucket(path, tar_file):
logging.error("Upload to GCS failed. Aborting backup...")
backup_recovery_helper.move_secondary_backup(tar_file)
return_value = None
else:
logging.info("Done with db backup!")
backup_recovery_helper.\
delete_secondary_backup(CASSANDRA_BACKUP_FILE_LOCATION)
# Remove local backup file(s).
clear_old_snapshots()
backup_recovery_helper.delete_local_backup_file(tar_file)
return return_value
