def get_storage_usage(access_token, subscription_id, location):
    '''Returns storage usage and quota information for the specified subscription.

    Args:
        access_token (str): A valid Azure authentication token.
        subscription_id (str): Azure subscription id.

    Returns:
        HTTP response. JSON body of storage account usage.
    '''
    endpoint = ''.join([get_rm_endpoint(),
                        '/subscriptions/', subscription_id,
                        '/providers/Microsoft.Storage/locations/', location,
                        '/usages',
                        '?api-version=', STORAGE_API])
    return do_get(endpoint, access_token)
Returns storage usage and quota information for the specified subscription.

    Args:
        access_token (str): A valid Azure authentication token.
        subscription_id (str): Azure subscription id.

    Returns:
        HTTP response. JSON body of storage account usage.