rgw: using aws4 auth with boto

[Matt Benjamin <mbenjamin@redhat.com>]

Hi,

Some random notes on using aws4 signatures with boto S3 client.

.boto:


[Boto]
debug = 2

[s3]
use-sigv4 = True

With use-sigv4 enabled, I had issues with boto--what error you see may depend on the method used to create an S3Connection--use connect_s3 in my tests,
and found I was able to run if I added an initializer for the class member self.region_name to the S#HmacAuthV4Handler ctor:

class S3HmacAuthV4Handler(HmacAuthV4Handler, AuthHandler):
    """
    Implements a variant of Version 4 HMAC authorization specific to S3.
    """
    capability = ['hmac-v4-s3']

    def __init__(self, *args, **kwargs):
        super(S3HmacAuthV4Handler, self).__init__(*args, **kwargs)
        self.region_name = ""

This was against a pip-installed boto.

Matt

-- 
Matt Benjamin
Red Hat, Inc.
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