85 lines
2.5 KiB
Python
85 lines
2.5 KiB
Python
# Copyright 2017 Catalyst IT Limited
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import zipfile
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from oslo_config import cfg
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from oslo_log import log as logging
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from oslo_utils import fileutils
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from qinling import exceptions as exc
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from qinling.storage import base
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LOG = logging.getLogger(__name__)
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CONF = cfg.CONF
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class FileSystemStorage(base.PackageStorage):
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"""Interact with file system for function package storage."""
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def __init__(self, *args, **kwargs):
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fileutils.ensure_tree(CONF.storage.file_system_dir)
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def store(self, project_id, function, data):
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LOG.info(
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'Store package, function: %s, project: %s', function, project_id
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)
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project_path = os.path.join(CONF.storage.file_system_dir, project_id)
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fileutils.ensure_tree(project_path)
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func_zip = os.path.join(project_path, '%s.zip' % function)
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with open(func_zip, 'wb') as fd:
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fd.write(data)
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if not zipfile.is_zipfile(func_zip):
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fileutils.delete_if_exists(func_zip)
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raise exc.InputException("Package is not a valid ZIP package.")
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def retrieve(self, project_id, function):
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LOG.info(
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'Get package data, function: %s, project: %s', function, project_id
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)
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func_zip = os.path.join(
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CONF.storage.file_system_dir,
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'%s/%s.zip' % (project_id, function)
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)
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if not os.path.exists(func_zip):
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raise exc.StorageNotFoundException(
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'Package of function %s for project %s not found.' %
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(function, project_id)
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)
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f = open(func_zip, 'rb')
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return f
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def delete(self, project_id, function):
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LOG.info(
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'Delete package data, function: %s, project: %s', function,
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project_id
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)
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func_zip = os.path.join(
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CONF.storage.file_system_dir,
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'%s/%s.zip' % (project_id, function)
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)
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if os.path.exists(func_zip):
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os.remove(func_zip)
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