def test_restore_data(self):
# Test for unsupported storage backend.
flexmock(backup_recovery_constants.StorageTypes()).should_receive("get_storage_types").and_return([])
self.assertEquals(False, cassandra_backup.restore_data("blah", ""))
# Test with failure to download backup from GCS.
flexmock(gcs_helper).should_receive("download_from_bucket").and_return(False)
self.assertEquals(False, cassandra_backup.restore_data(backup_recovery_constants.StorageTypes.GCS, ""))
# Test with successful download from GCS and failure to shut down Cassandra.
flexmock(gcs_helper).should_receive("download_from_bucket").and_return(True)
flexmock(shut_down_cassandra).should_receive("run").and_return(False)
flexmock(backup_recovery_helper).should_receive("delete_local_backup_file").and_return()
self.assertEquals(False, cassandra_backup.restore_data(backup_recovery_constants.StorageTypes.GCS, ""))
# Test with successful Cassandra shutdown and failure to untar.
flexmock(gcs_helper).should_receive("download_from_bucket").and_return(True)
flexmock(shut_down_cassandra).should_receive("run").and_return(True)
flexmock(cassandra_backup).should_receive("remove_old_data").and_return()
flexmock(backup_recovery_helper).should_receive("untar_backup_files").and_raise(backup_exceptions.BRException)
flexmock(start_cassandra).should_receive("run").and_return()
flexmock(backup_recovery_helper).should_receive("delete_local_backup_file").and_return()
self.assertEquals(False, cassandra_backup.restore_data(backup_recovery_constants.StorageTypes.GCS, ""))
# Test normal case for GCS.
flexmock(gcs_helper).should_receive("download_from_bucket").and_return(True)
flexmock(shut_down_cassandra).should_receive("run").and_return(True)
flexmock(cassandra_backup).should_receive("remove_old_data").and_return()
flexmock(backup_recovery_helper).should_receive("untar_backup_files").and_return()
flexmock(cassandra_backup).should_receive("restore_snapshots").and_return()
flexmock(start_cassandra).should_receive("run").and_return()
flexmock(cassandra_backup).should_receive("refresh_data").and_return()
flexmock(cassandra_backup).should_receive("clear_old_snapshots").and_return()
flexmock(backup_recovery_helper).should_receive("delete_local_backup_file").and_return()
self.assertEquals(True, cassandra_backup.restore_data(backup_recovery_constants.StorageTypes.GCS, ""))
# Test with failure to shut down Cassandra in local mode.
flexmock(shut_down_cassandra).should_receive("run").and_return(False)
self.assertEquals(False, cassandra_backup.restore_data("", ""))
# Test with successful Cassandra shutdown and failure to untar in local
# mode.
flexmock(shut_down_cassandra).should_receive("run").and_return(True)
flexmock(cassandra_backup).should_receive("remove_old_data").and_return()
flexmock(backup_recovery_helper).should_receive("untar_backup_files").and_raise(backup_exceptions.BRException)
flexmock(start_cassandra).should_receive("run").and_return()
self.assertEquals(False, cassandra_backup.restore_data("", ""))
# Test normal case in local mode.
flexmock(shut_down_cassandra).should_receive("run").and_return(True)
flexmock(cassandra_backup).should_receive("remove_old_data").and_return()
flexmock(backup_recovery_helper).should_receive("untar_backup_files").and_return()
flexmock(cassandra_backup).should_receive("restore_snapshots").and_return()
flexmock(start_cassandra).should_receive("run").and_return()
flexmock(cassandra_backup).should_receive("refresh_data").and_return()
flexmock(cassandra_backup).should_receive("clear_old_snapshots").and_return()
self.assertEquals(True, cassandra_backup.restore_data("", ""))
def do_cassandra_restore(self, storage, path):
""" Top level function for doing Cassandra restores.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
A JSON string to return to the client.
"""
success = True
reason = "success"
try:
logging.info("Acquiring lock for db restore.")
self.__cassandra_backup_lock.acquire(True)
logging.info("Got the lock for db restore.")
if not cassandra_backup.restore_data(storage, path):
return self.bad_request("DB restore failed!")
else:
logging.info("Successful db restore!")
except backup_exceptions.BRException, exception:
logging.error("Unable to complete db restore: {0}".format(exception))
success = False
reason = str(exception)
def do_cassandra_restore(self, storage, path):
""" Top level function for doing Cassandra restores.
Args:
storage: A str, one of the StorageTypes class members.
path: A str, the name of the backup file to be created.
Returns:
A JSON string to return to the client.
"""
success = True
reason = "success"
try:
logging.info("Acquiring lock for db restore.")
self.__cassandra_backup_lock.acquire(True)
logging.info("Got the lock for db restore.")
if not cassandra_backup.restore_data(storage, path):
return self.bad_request("DB restore failed!")
else:
logging.info("Successful db restore!")
except backup_exceptions.BRException, exception:
logging.error(
"Unable to complete db restore: {0}".format(exception))
success = False
reason = str(exception)
def test_restore_data(self):
# Test for unsupported storage backend.
flexmock(backup_recovery_constants.StorageTypes()).\
should_receive("get_storage_types").and_return([])
self.assertEquals(False, cassandra_backup.restore_data('blah', ''))
# Test with failure to download backup from GCS.
flexmock(gcs_helper).should_receive('download_from_bucket').and_return(
False)
self.assertEquals(
False,
cassandra_backup.restore_data(
backup_recovery_constants.StorageTypes.GCS, ''))
# Test with successful download from GCS and failure to shut down Cassandra.
flexmock(gcs_helper).should_receive('download_from_bucket').and_return(
True)
flexmock(shut_down_cassandra).should_receive('run').and_return(False)
flexmock(cassandra_backup).should_receive('delete_local_backup_file').\
and_return()
self.assertEquals(
False,
cassandra_backup.restore_data(
backup_recovery_constants.StorageTypes.GCS, ''))
# Test with successful Cassandra shutdown and failure to untar.
flexmock(gcs_helper).should_receive('download_from_bucket').and_return(
True)
flexmock(shut_down_cassandra).should_receive('run').and_return(True)
flexmock(cassandra_backup).should_receive(
'remove_old_data').and_return()
flexmock(cassandra_backup).should_receive(
'untar_backup_files').and_raise(backup_exceptions.BRException)
flexmock(start_cassandra).should_receive('run').and_return()
flexmock(cassandra_backup).should_receive('delete_local_backup_file').\
and_return()
self.assertEquals(
False,
cassandra_backup.restore_data(
backup_recovery_constants.StorageTypes.GCS, ''))
# Test normal case for GCS.
flexmock(gcs_helper).should_receive('download_from_bucket').and_return(
True)
flexmock(shut_down_cassandra).should_receive('run').and_return(True)
flexmock(cassandra_backup).should_receive(
'remove_old_data').and_return()
flexmock(cassandra_backup).should_receive(
'untar_backup_files').and_return()
flexmock(cassandra_backup).should_receive(
'restore_snapshots').and_return()
flexmock(start_cassandra).should_receive('run').and_return()
flexmock(cassandra_backup).should_receive('refresh_data').and_return()
flexmock(cassandra_backup).should_receive('clear_old_snapshots').\
and_return()
flexmock(cassandra_backup).should_receive('delete_local_backup_file').\
and_return()
self.assertEquals(
True,
cassandra_backup.restore_data(
backup_recovery_constants.StorageTypes.GCS, ''))
# Test with failure to shut down Cassandra in local mode.
flexmock(shut_down_cassandra).should_receive('run').and_return(False)
self.assertEquals(False, cassandra_backup.restore_data('', ''))
# Test with successful Cassandra shutdown and failure to untar in local
# mode.
flexmock(shut_down_cassandra).should_receive('run').and_return(True)
flexmock(cassandra_backup).should_receive(
'remove_old_data').and_return()
flexmock(cassandra_backup).should_receive(
'untar_backup_files').and_raise(backup_exceptions.BRException)
flexmock(start_cassandra).should_receive('run').and_return()
self.assertEquals(False, cassandra_backup.restore_data('', ''))
# Test normal case in local mode.
flexmock(shut_down_cassandra).should_receive('run').and_return(True)
flexmock(cassandra_backup).should_receive(
'remove_old_data').and_return()
flexmock(cassandra_backup).should_receive(
'untar_backup_files').and_return()
flexmock(cassandra_backup).should_receive(
'restore_snapshots').and_return()
flexmock(start_cassandra).should_receive('run').and_return()
flexmock(cassandra_backup).should_receive('refresh_data').and_return()
flexmock(cassandra_backup).should_receive('clear_old_snapshots').\
and_return()
self.assertEquals(True, cassandra_backup.restore_data('', ''))
