def get_bucket(conn, bucket_id): """ Get a bucket from an s3 connection :param conn: The ``boto.s3.connection.S3Connection`` :param bucket_id: ID of the bucket to fetch :raises ``glance.exception.NotFound`` if bucket is not found. """ bucket = conn.get_bucket(bucket_id) if not bucket: msg = "Could not find bucket with ID %s" % bucket_id LOG.debug(msg) raise exception.NotFound(msg) return bucket
def get_key(bucket, obj): """ Get a key from a bucket :param bucket: The ``boto.s3.Bucket`` :param obj: Object to get the key for :raises ``glance.exception.NotFound`` if key is not found. """ key = bucket.get_key(obj) if not key or not key.exists(): msg = ("Could not find key %(obj)s in bucket %(bucket)s" % { 'obj': obj, 'bucket': bucket }) LOG.debug(msg) raise exception.NotFound(msg) return key