send extra headers to s3

s3_create_bucket.py

#!/usr/bin/env python
from argparse import ArgumentParser
import sys
import json

import boto3


parser = ArgumentParser()
parser.add_argument('bucket', help='Bucket to make')
parser.add_argument('-H', '--header', action='append', default=[],
                    help='Extra headers')


def main():
    opts = parser.parse_args()
    conn = boto3.client('s3', endpoint_url='http://saio:8080',
                        aws_access_key_id='test:tester',
                        aws_secret_access_key='testing')

    def extra_headers(params, **kwargs):
        for header_arg in opts.header:
            key, value = (x.strip() for x in header_arg.split(':'))
            params['headers'][key] = value
    conn.meta.events.register('before-call.s3.CreateBucket', extra_headers)

    resp = conn.create_bucket(Bucket=opts.bucket)
    print(json.dumps(resp, indent=2))


if __name__ == "__main__":
    sys.exit(main())