RETIRED, Function as a Service for OpenStack
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# Copyright 2017 Catalyst IT Limited
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from oslo_log import log as logging
from swiftclient.exceptions import ClientException
from qinling.utils import common
from qinling.utils.openstack import keystone
LOG = logging.getLogger(__name__)
@common.disable_ssl_warnings
def check_object(container, object):
"""Check if object exists in Swift.
:param container: Container name.
:param object: Object name.
:return: True if object exists, otherwise return False.
"""
swift_conn = keystone.get_swiftclient()
try:
swift_conn.head_object(container, object)
return True
except ClientException:
LOG.error(
'The object %s in container %s was not found', object, container
)
return False
@common.disable_ssl_warnings
def download_object(container, object):
swift_conn = keystone.get_swiftclient()
# Specify 'resp_chunk_size' here to return a file reader.
_, obj_reader = swift_conn.get_object(
container, object, resp_chunk_size=65536
)
return obj_reader