'Send a GET request to the array.
:param target_uri: the target uri
:param resource_type: the resource type, e.g. maskingview
:param params: optional dict of filter params
:returns: resource_object -- dict or None'

def _get_request(self, target_uri, resource_type, params=None):

    resource_object = None
    (sc, message) = self.request(target_uri, GET, params=params)
    operation = ('get    %(res)s' % {'res': resource_type})
    try:
        self.check_status_code_success(operation, sc, message)
    except Exception as e:
        LOG.debug('Get    resource    failed    with    %(e)s', {'e': e})
    if (sc == STATUS_200):
        resource_object = message
    return resource_object
