From eddd8e3588561039985b27edf059db6033bfdfab Mon Sep 17 00:00:00 2001 From: Dave Wallace Date: Wed, 12 May 2021 21:43:59 -0400 Subject: tests: move test source to vpp/test - Generate copyright year and version instead of using hard-coded data Type: refactor Signed-off-by: Dave Wallace Change-Id: I6058f5025323b3aa483f5df4a2c4371e27b5914e --- src/plugins/lb/test/test_lb.py | 502 ------------------------------------- src/plugins/lb/test/test_lb_api.py | 76 ------ src/plugins/lb/test/vpp_lb.py | 84 ------- 3 files changed, 662 deletions(-) delete mode 100644 src/plugins/lb/test/test_lb.py delete mode 100644 src/plugins/lb/test/test_lb_api.py delete mode 100644 src/plugins/lb/test/vpp_lb.py (limited to 'src/plugins/lb/test') diff --git a/src/plugins/lb/test/test_lb.py b/src/plugins/lb/test/test_lb.py deleted file mode 100644 index fafb87b62d9..00000000000 --- a/src/plugins/lb/test/test_lb.py +++ /dev/null @@ -1,502 +0,0 @@ -import socket - -import scapy.compat -from scapy.layers.inet import IP, UDP -from scapy.layers.inet6 import IPv6 -from scapy.layers.l2 import Ether, GRE -from scapy.packet import Raw -from scapy.data import IP_PROTOS - -from framework import VppTestCase -from util import ppp -from vpp_ip_route import VppIpRoute, VppRoutePath -from vpp_ip import INVALID_INDEX - -""" TestLB is a subclass of VPPTestCase classes. - - TestLB class defines Load Balancer test cases for: - - IP4 to GRE4 encap on per-port vip case - - IP4 to GRE6 encap on per-port vip case - - IP6 to GRE4 encap on per-port vip case - - IP6 to GRE6 encap on per-port vip case - - IP4 to L3DSR encap on vip case - - IP4 to L3DSR encap on per-port vip case - - IP4 to NAT4 encap on per-port vip case - - IP6 to NAT6 encap on per-port vip case - - As stated in comments below, GRE has issues with IPv6. - All test cases involving IPv6 are executed, but - received packets are not parsed and checked. - -""" - - -class TestLB(VppTestCase): - """ Load Balancer Test Case """ - - @classmethod - def setUpClass(cls): - super(TestLB, cls).setUpClass() - - cls.ass = range(5) - cls.packets = range(1) - - try: - cls.create_pg_interfaces(range(2)) - cls.interfaces = list(cls.pg_interfaces) - - for i in cls.interfaces: - i.admin_up() - i.config_ip4() - i.config_ip6() - i.disable_ipv6_ra() - i.resolve_arp() - i.resolve_ndp() - - dst4 = VppIpRoute(cls, "10.0.0.0", 24, - [VppRoutePath(cls.pg1.remote_ip4, - INVALID_INDEX)], - register=False) - dst4.add_vpp_config() - dst6 = VppIpRoute(cls, "2002::", 16, - [VppRoutePath(cls.pg1.remote_ip6, - INVALID_INDEX)], - register=False) - dst6.add_vpp_config() - cls.vapi.lb_conf(ip4_src_address="39.40.41.42", - ip6_src_address="2004::1") - except Exception: - super(TestLB, cls).tearDownClass() - raise - - @classmethod - def tearDownClass(cls): - super(TestLB, cls).tearDownClass() - - def tearDown(self): - super(TestLB, self).tearDown() - - def show_commands_at_teardown(self): - self.logger.info(self.vapi.cli("show lb vip verbose")) - - def getIPv4Flow(self, id): - return (IP(dst="90.0.%u.%u" % (id / 255, id % 255), - src="40.0.%u.%u" % (id / 255, id % 255)) / - UDP(sport=10000 + id, dport=20000)) - - def getIPv6Flow(self, id): - return (IPv6(dst="2001::%u" % (id), src="fd00:f00d:ffff::%u" % (id)) / - UDP(sport=10000 + id, dport=20000)) - - def generatePackets(self, src_if, isv4): - self.reset_packet_infos() - pkts = [] - for pktid in self.packets: - info = self.create_packet_info(src_if, self.pg1) - payload = self.info_to_payload(info) - ip = self.getIPv4Flow(pktid) if isv4 else self.getIPv6Flow(pktid) - packet = (Ether(dst=src_if.local_mac, src=src_if.remote_mac) / - ip / - Raw(payload)) - self.extend_packet(packet, 128) - info.data = packet.copy() - pkts.append(packet) - return pkts - - def checkInner(self, gre, isv4): - IPver = IP if isv4 else IPv6 - self.assertEqual(gre.proto, 0x0800 if isv4 else 0x86DD) - self.assertEqual(gre.flags, 0) - self.assertEqual(gre.version, 0) - inner = IPver(scapy.compat.raw(gre.payload)) - payload_info = self.payload_to_info(inner[Raw]) - self.info = self.packet_infos[payload_info.index] - self.assertEqual(payload_info.src, self.pg0.sw_if_index) - self.assertEqual(scapy.compat.raw(inner), - scapy.compat.raw(self.info.data[IPver])) - - def checkCapture(self, encap, isv4): - self.pg0.assert_nothing_captured() - out = self.pg1.get_capture(len(self.packets)) - - load = [0] * len(self.ass) - self.info = None - for p in out: - try: - asid = 0 - gre = None - if (encap == 'gre4'): - ip = p[IP] - asid = int(ip.dst.split(".")[3]) - self.assertEqual(ip.version, 4) - self.assertEqual(ip.flags, 0) - self.assertEqual(ip.src, "39.40.41.42") - self.assertEqual(ip.dst, "10.0.0.%u" % asid) - self.assertEqual(ip.proto, 47) - self.assertEqual(len(ip.options), 0) - gre = p[GRE] - self.checkInner(gre, isv4) - elif (encap == 'gre6'): - ip = p[IPv6] - asid = ip.dst.split(":") - asid = asid[len(asid) - 1] - asid = 0 if asid == "" else int(asid) - self.assertEqual(ip.version, 6) - self.assertEqual(ip.tc, 0) - self.assertEqual(ip.fl, 0) - self.assertEqual(ip.src, "2004::1") - self.assertEqual( - socket.inet_pton(socket.AF_INET6, ip.dst), - socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) - ) - self.assertEqual(ip.nh, 47) - # self.assertEqual(len(ip.options), 0) - gre = GRE(scapy.compat.raw(p[IPv6].payload)) - self.checkInner(gre, isv4) - elif (encap == 'l3dsr'): - ip = p[IP] - asid = int(ip.dst.split(".")[3]) - self.assertEqual(ip.version, 4) - self.assertEqual(ip.flags, 0) - self.assertEqual(ip.dst, "10.0.0.%u" % asid) - self.assertEqual(ip.tos, 0x1c) - self.assertEqual(len(ip.options), 0) - self.assert_ip_checksum_valid(p) - if ip.proto == IP_PROTOS.tcp: - self.assert_tcp_checksum_valid(p) - elif ip.proto == IP_PROTOS.udp: - self.assert_udp_checksum_valid(p) - elif (encap == 'nat4'): - ip = p[IP] - asid = int(ip.dst.split(".")[3]) - self.assertEqual(ip.version, 4) - self.assertEqual(ip.flags, 0) - self.assertEqual(ip.dst, "10.0.0.%u" % asid) - self.assertEqual(ip.proto, 17) - self.assertEqual(len(ip.options), 0) - udp = p[UDP] - self.assertEqual(udp.dport, 3307) - elif (encap == 'nat6'): - ip = p[IPv6] - asid = ip.dst.split(":") - asid = asid[len(asid) - 1] - asid = 0 if asid == "" else int(asid) - self.assertEqual(ip.version, 6) - self.assertEqual(ip.tc, 0) - self.assertEqual(ip.fl, 0) - self.assertEqual( - socket.inet_pton(socket.AF_INET6, ip.dst), - socket.inet_pton(socket.AF_INET6, "2002::%u" % asid) - ) - self.assertEqual(ip.nh, 17) - self.assertGreaterEqual(ip.hlim, 63) - udp = UDP(scapy.compat.raw(p[IPv6].payload)) - self.assertEqual(udp.dport, 3307) - load[asid] += 1 - except: - self.logger.error(ppp("Unexpected or invalid packet:", p)) - raise - - # This is just to roughly check that the balancing algorithm - # is not completely biased. - for asid in self.ass: - if load[asid] < int(len(self.packets) / (len(self.ass) * 2)): - self.logger.error( - "ASS is not balanced: load[%d] = %d" % (asid, load[asid])) - raise Exception("Load Balancer algorithm is biased") - - def test_lb_ip4_gre4(self): - """ Load Balancer IP4 GRE4 on vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre4") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='gre4', isv4=True) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre4 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip6_gre4(self): - """ Load Balancer IP6 GRE4 on vip case """ - - try: - self.vapi.cli( - "lb vip 2001::/16 encap gre4") - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre4', isv4=False) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 encap gre4 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_gre6(self): - """ Load Balancer IP4 GRE6 on vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre6") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 2002::%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre6', isv4=True) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap gre6 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip6_gre6(self): - """ Load Balancer IP6 GRE6 on vip case """ - try: - self.vapi.cli( - "lb vip 2001::/16 encap gre6") - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 2002::%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre6', isv4=False) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 encap gre6 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_gre4_port(self): - """ Load Balancer IP4 GRE4 on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='gre4', isv4=True) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre4 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip6_gre4_port(self): - """ Load Balancer IP6 GRE4 on per-port-vip case """ - - try: - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre4") - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre4', isv4=False) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre4 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_gre6_port(self): - """ Load Balancer IP4 GRE6 on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre6', isv4=True) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap gre6 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip6_gre6_port(self): - """ Load Balancer IP6 GRE6 on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre6") - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - - self.checkCapture(encap='gre6', isv4=False) - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap gre6 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_l3dsr(self): - """ Load Balancer IP4 L3DSR on vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 encap l3dsr dscp 7") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='l3dsr', isv4=True) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 encap l3dsr" - " dscp 7 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_l3dsr_port(self): - """ Load Balancer IP4 L3DSR on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr dscp 7") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='l3dsr', isv4=True) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap l3dsr" - " dscp 7 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip4_nat4_port(self): - """ Load Balancer IP4 NAT4 on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4" - " type clusterip target_port 3307") - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=True)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='nat4', isv4=True) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 90.0.0.0/8 protocol udp port 20000 10.0.0.%u del" - % (asid)) - self.vapi.cli( - "lb vip 90.0.0.0/8 protocol udp port 20000 encap nat4" - " type clusterip target_port 3307 del") - self.vapi.cli("test lb flowtable flush") - - def test_lb_ip6_nat6_port(self): - """ Load Balancer IP6 NAT6 on per-port-vip case """ - try: - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap nat6" - " type clusterip target_port 3307") - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u" - % (asid)) - - self.pg0.add_stream(self.generatePackets(self.pg0, isv4=False)) - self.pg_enable_capture(self.pg_interfaces) - self.pg_start() - self.checkCapture(encap='nat6', isv4=False) - - finally: - for asid in self.ass: - self.vapi.cli( - "lb as 2001::/16 protocol udp port 20000 2002::%u del" - % (asid)) - self.vapi.cli( - "lb vip 2001::/16 protocol udp port 20000 encap nat6" - " type clusterip target_port 3307 del") - self.vapi.cli("test lb flowtable flush") diff --git a/src/plugins/lb/test/test_lb_api.py b/src/plugins/lb/test/test_lb_api.py deleted file mode 100644 index 70d41d432a7..00000000000 --- a/src/plugins/lb/test/test_lb_api.py +++ /dev/null @@ -1,76 +0,0 @@ -# Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import framework -import ipaddress - -DEFAULT_VIP = "lb_vip_details(_0=978, context=12, vip=vl_api_lb_ip_addr_t(pfx=IPv6Network(u'::/0'), protocol=, port=0), encap=, dscp=, srv_type=, target_port=0, flow_table_length=0)" # noqa - - -class TestLbEmptyApi(framework.VppTestCase): - """TestLbEmptyApi """ - - def test_lb_empty_vip_dump(self): - - # no records should normally return [], but - # lb initializes with a default VIP - rv = self.vapi.lb_vip_dump() - # print(rv) - self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv) - - def test_lb_empty_as_dump(self): - - # no records should return [] - rv = self.vapi.lb_as_dump() - # print(rv) - self.assertEqual(rv, [], 'Expected: [] Received: %r.' % rv) - - -class TestLbApi(framework.VppTestCase): - """TestLbApi """ - - def test_lb_vip_dump(self): - # add some vips - # rv = self.vapi.lb_add_del_vip(pfx=ipaddress.IPv4Network(u'1.2.3.0/24'), # noqa - # protocol=17, - # encap=0) - # print(rv) - self.vapi.cli("lb vip 2001::/16 encap gre6") - rv = self.vapi.lb_vip_dump() - # print(rv) - self.assertEqual(str(rv[-1].vip.pfx), "2001::/16", - 'Expected: 2001::/16 Received: %r.' % rv[-1].vip.pfx) - - self.vapi.cli("lb vip 2001::/16 del") - - -class TestLbAsApi(framework.VppTestCase): - """TestLbAsApi """ - - def test_lb_as_dump(self): - # add some vips - self.vapi.cli("lb vip 2001::/16 encap gre6") - self.vapi.cli("lb as 2001::/16 2000::1") - # add some as's for the vips - # rv = self.vapi.lb_add_del_as( - # pfx=ipaddress.IPv4Network(u"10.0.0.0/24"), - # as_address=ipaddress.IPv4Address(u"192.168.1.1")) - - # print(rv) - rv = self.vapi.lb_as_dump() - # print(rv) - self.assertEqual(str(rv[0].vip.pfx), "2001::/16", - 'Expected: "2001::/16" Received: %r.' % rv[0].vip.pfx) - self.assertEqual(str(rv[0].app_srv), "2000::1", - 'Expected: "2000::1" Received: %r.' % rv[0].app_srv) diff --git a/src/plugins/lb/test/vpp_lb.py b/src/plugins/lb/test/vpp_lb.py deleted file mode 100644 index d755cef70e5..00000000000 --- a/src/plugins/lb/test/vpp_lb.py +++ /dev/null @@ -1,84 +0,0 @@ -# Copyright (c) 2019. Vinci Consulting Corp. All Rights Reserved. -# -# Licensed under the Apache License, Version 2.0 (the "License"); -# you may not use this file except in compliance with the License. -# You may obtain a copy of the License at -# -# http://www.apache.org/licenses/LICENSE-2.0 -# -# Unless required by applicable law or agreed to in writing, software -# distributed under the License is distributed on an "AS IS" BASIS, -# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -# See the License for the specific language governing permissions and -# limitations under the License. - -import vpp_object - - -class VppLbVip(vpp_object.VppObject): - - def __init__(self, test, pfx, sfx, port, protocol): - self._test = test - self.pfx = pfx - self.sfx = sfx - self.port = port - self.protocol = protocol - - def add_vpp_config(self): - self._test_vapi.lb_add_del_vip(pfx=self.pfx, - sfx=self.pfx, - port=self.port, - protocol=self.protocol) - - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.lb_add_del_vip(pfx=self.pfx, - sfx=self.pfx, - port=self.port, - protocol=self.protocol, - is_del=1) - - def query_vpp_config(self): - details = self._test.vapi.lb_add_del_vip(fx=self.pfx, - sfx=self.pfx, - port=self.port, - protocol=self.protocol) - return True if self == details else False - - -class VppLbAs(vpp_object.VppObject): - def __init__(self, test, pfx, port, protocol, app_srv, is_del, is_flush): - self._test = test - # this is the vip - self.pfx = pfx - self.port = port - self.protocol = protocol - - self.app_srv = app_srv - self.is_del = is_del - self.is_flush = is_flush - - def add_vpp_config(self): - self._test_vapi.lb_add_del_as(pfx=self.pfx, - port=self.port, - protocol=self.protocol, - app_srv=self.app_srv, - is_flush=self.is_flush, - ) - - self._test.registry.register(self, self._test.logger) - - def remove_vpp_config(self): - self._test.vapi.lb_add_del_as(pfx=self.pfx, - port=self.port, - protocol=self.protocol, - app_srv=self.app_srv, - is_flush=self.is_flush, - is_del=1) - - def query_vpp_config(self): - details = self._test.vapi.lb_as_dump(pfx=self.pfx, - port=self.port, - protocol=self.protocol) - return True if self == details else False -- cgit 1.2.3-korg