':returns: item_list - list of virtual gateways
:returns: exception_map - A dict where the keys are a tuple containing the
location of the exception and the value is the actual exception'

def slurp(self):

    self.prep_for_slurp()
    from security_monkey.common.sts_connect import connect
    item_list = []
    exception_map = {}
    for account in self.accounts:
        for region in regions():
            app.logger.debug('Checking    {}/{}/{}'.format(self.index, account, region.name))
            try:
                dc = connect(account, 'boto3.ec2.client', region=region)
                response = self.wrap_aws_rate_limited_call(dc.describe_vpn_gateways)
                gateways = response.get('VpnGateways')
            except Exception as e:
                if (region.name not in TROUBLE_REGIONS):
                    exc = BotoConnectionIssue(str(e), self.index, account, region.name)
                    self.slurp_exception((self.index, account, region.name), exc, exception_map)
                continue
            app.logger.debug('Found    {}    {}.'.format(len(gateways), self.i_am_plural))
            for gateway in gateways:
                name = gateway['VpnGatewayId']
                if self.check_ignore_list(name):
                    continue
                config = {'name': name, 'state': gateway.get('State'), 'type': gateway.get('Type'), 'vpcAttachments': gateway.get('VpcAttachments'), 'virtual_gateway_state': gateway.get('VirtualGatewayState')}
                item = VirtualGatewayItem(region=region.name, account=account, name=name, config=dict(config))
                item_list.append(item)
    return (item_list, exception_map)
