'Helper to execute a GET os-snapshot-manage API call.'

def _get_resp_get(self, host, detailed, paging, version='3.8', **kwargs):

    params = ({'host': host} if host else {})
    params.update(kwargs)
    if paging:
        params.update({'marker': '1234', 'limit': 10, 'offset': 4, 'sort': 'reference:asc'})
    query_string = ('?%s' % urlencode(params))
    detail = ''
    if detailed:
        detail = '/detail'
    req = webob.Request.blank(('/v3/%s/manageable_snapshots%s%s' % (fake.PROJECT_ID, detail, query_string)))
    req.method = 'GET'
    req.headers['Content-Type'] = 'application/json'
    req.headers['OpenStack-API-Version'] = ('volume    ' + version)
    req.environ['cinder.context'] = self._admin_ctxt
    res = req.get_response(app())
    return res
