Calculate the max recordsets and vpc associations and the current values
        per hosted zone

def _find_limit_hosted_zone(self):
        """
        Calculate the max recordsets and vpc associations and the current values
        per hosted zone
        """
        for limit_type in [self.MAX_RRSETS_BY_ZONE,
                           self.MAX_VPCS_ASSOCIATED_BY_ZONE]:
            self.limits[limit_type["name"]]._reset_usage()

        for hosted_zone in self._get_hosted_zones():
            for limit_type in [self.MAX_RRSETS_BY_ZONE,
                               self.MAX_VPCS_ASSOCIATED_BY_ZONE]:

                if limit_type == self.MAX_VPCS_ASSOCIATED_BY_ZONE and \
                        not hosted_zone["Config"]["PrivateZone"]:
                    continue

                limit = self._get_hosted_zone_limit(limit_type["type"],
                                                    hosted_zone['Id'])

                self.limits[limit_type["name"]]._add_current_usage(
                    int(limit["Count"]),
                    maximum=int(limit["Limit"]["Value"]),
                    aws_type='AWS::Route53::HostedZone',
                    resource_id=hosted_zone["Name"]
                )