import time
import urllib

from lxml import etree

from tempest.common.rest_client import RestClientXML
from tempest import exceptions
from tempest.services.compute.xml.common import Document
from tempest.services.compute.xml.common import Element
from tempest.services.compute.xml.common import Text
from tempest.services.compute.xml.common import xml_to_json
from tempest.services.compute.xml.common import XMLNS_11


class VolumesClientXML(RestClientXML):
    """
    Client class to send CRUD Volume API requests to a Cinder endpoint
    """

    def __init__(self, config, username, password, auth_url, tenant_name=None):
        super(VolumesClientXML, self).__init__(config, username, password,
                                               auth_url, tenant_name)
        self.service = self.config.volume.catalog_type
        self.build_interval = self.config.compute.build_interval
        self.build_timeout = self.config.compute.build_timeout

    def _parse_volume(self, body):
        vol = dict((attr, body.get(attr)) for attr in body.keys())

        for child in body.getchildren():
                                                                                                              else:
                vol[tag] = xml_to_json(child)
        return vol

    def upload_volume(self, volume_id, image_name):
        """Uploads a volume in Glance."""
        post_body = Element("volume",
                            image_name=image_name,
                           )
        resp, body = self.post('os-volume_upload_image',
                               str(Document(post_body)),
                               self.headers)
        url = 'volumes/%s/action' % (volume_id)
        resp, body = self.post(url, str(Document(post_body)), self.headers)
        volume = self.xml_to_json(etree.fromstring(body))

        return resp, volume