Synnefo

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from synnefo.lib.commissioning import Callpoint, CallError

from synnefo.lib.pool.http import PooledHTTPConnection

from .api import QuotaholderAPI

from json import loads as json_loads, dumps as json_dumps

import logging

from urlparse import urlparse

logger = logging.getLogger(__name__)

class QuotaholderClient(Callpoint):

    api_spec = QuotaholderAPI()

    def __init__(self, base_url, token='', poolsize=1000):

        super(QuotaholderClient, self).__init__()

        self._url = base_url

        parsed = urlparse(base_url)

        self._netloc = parsed.netloc

        self._scheme = parsed.scheme

        basepath = parsed.path

        if not basepath.endswith('/'):

            basepath += '/'

        self._basepath = basepath

        self._token = token

        self._poolsize = poolsize

    def do_make_call(self, api_call, data):

        gettable = ['list', 'get', 'read']

        method = ('GET' if any(api_call.startswith(x) for x in gettable)

                  else 'POST')

        path = self._basepath + api_call

        json_data = json_dumps(data)

        logger.debug("%s %s\n%s\n<<<\n", method, path, json_data[:128])

        headers = {'X-Auth-Token': self._token}

        with PooledHTTPConnection(scheme=self._scheme,

                                  netloc=self._netloc,

                                  size=self._poolsize) as conn:

            conn.request(method, path, body=json_data, headers=headers)

            resp = conn.getresponse()

            body = resp.read()

        logger.debug(">>>\nStatus: %s", resp.status)

        logger.debug("\n%s\n<<<\n", body[:128] if body else None)

        status = int(resp.status)

        if status == 200:

            return json_loads(body)

        else:

            try:

                error = json_loads(body)

            except ValueError:

                exc = CallError(body, call_error='ValueError')

            else:

                exc = CallError.from_dict(error)

            raise exc