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#!/usr/bin/env python3
# Copyright (c) 2021 Cisco and/or its affiliates.
# 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.
"""S3 Storage Backend."""
from json import dumps
from argparse import ArgumentParser, RawDescriptionHelpFormatter
from .storage import Storage
def main():
"""
Main entry function when called from CLI.
"""
parser = ArgumentParser(
description=u"S3 Storage Backend Operation.",
formatter_class=RawDescriptionHelpFormatter
)
parser.add_argument(
u"-e", u"--expression", required=False, type=str,
default=u"select * from s3object s",
help=u"S3 compatible SQL query."
)
args = parser.parse_args()
json_iterator = Storage(
endpoint_url=u"http://storage.service.consul:9000",
bucket=u"docs",
profile_name=u"nomad-s3"
).s3_file_processing(
prefix=u"", expression=args.expression
)
for item in json_iterator:
print(dumps(item, indent=4, sort_keys=False))
if __name__ == u"__main__":
main()
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