'Get account keys required to access to a storage account
(using AzureBlobsStorageDriver).
:param resource_group: The resource group
containing the storage account
:type resource_group: ``str``
:param storage_account: Storage account to access
:type storage_account: ``str``
:return: The account keys, in the form `{"key1": "XXX", "key2": "YYY"}`
:rtype: ``.dict``'

def ex_get_storage_account_keys(self, resource_group, storage_account):

    action = ('/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Storage/storageAccounts/%s/listKeys' % (self.subscription_id, resource_group, storage_account))
    r = self.connection.request(action, params={'api-version': '2015-05-01-preview'}, method='POST')
    return r.object
