Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 384 insertions, 0 deletions

diff --git a/tests/topotests/bgp_prefix_sid/__init__.py b/tests/topotests/bgp_prefix_sid/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/__init__.py
diff --git a/tests/topotests/bgp_prefix_sid/exabgp.env b/tests/topotests/bgp_prefix_sid/exabgp.env
new file mode 100644
index 0000000..6c554f5
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/exabgp.env
@@ -0,0 +1,53 @@
+
+[exabgp.api]
+encoder = text
+highres = false
+respawn = false
+socket = ''
+
+[exabgp.bgp]
+openwait = 60
+
+[exabgp.cache]
+attributes = true
+nexthops = true
+
+[exabgp.daemon]
+daemonize = true
+pid = '/var/run/exabgp/exabgp.pid'
+user = 'exabgp'
+
+[exabgp.log]
+all = false
+configuration = true
+daemon = true
+destination = '/var/log/exabgp.log'
+enable = true
+level = INFO
+message = false
+network = true
+packets = false
+parser = false
+processes = true
+reactor = true
+rib = false
+routes = false
+short = false
+timers = false
+
+[exabgp.pdb]
+enable = false
+
+[exabgp.profile]
+enable = false
+file = ''
+
+[exabgp.reactor]
+speed = 1.0
+
+[exabgp.tcp]
+acl = false
+bind = ''
+delay = 0
+once = false
+port = 179
diff --git a/tests/topotests/bgp_prefix_sid/peer1/exabgp.cfg b/tests/topotests/bgp_prefix_sid/peer1/exabgp.cfg
new file mode 100644
index 0000000..5b55366
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/peer1/exabgp.cfg
@@ -0,0 +1,103 @@
+group controller {
+    neighbor 10.0.0.1 {
+        router-id 10.0.0.101;
+        local-address 10.0.0.101;
+        local-as 2;
+        peer-as 1;
+
+        family {
+            ipv4 nlri-mpls;
+        }
+
+        static {
+            # ref: draft-ietf-idr-bgp-prefix-sid-27
+            #
+            # IANA temporarily assigned the following:
+            # attribute code type (suggested value: 40) to
+            # the BGP Prefix-SID attribute
+            #
+            #  0                   1                   2                   3
+            #  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |       Type    |             Length            |   RESERVED    |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |            Flags              |       Label Index             |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |          Label Index          |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # Figure.  Label-Index TLV (Prefix-SID type-1)
+            #
+            #  0                   1                   2                   3
+            #  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |     Type      |          Length               |    Flags      |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |     Flags     |
+            # +-+-+-+-+-+-+-+-+
+            #
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |         SRGB 1 (6 octets)                                     |
+            # |                               +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |                               |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            #
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |         SRGB n (6 octets)                                     |
+            # |                               +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+            # |                               |
+            # +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+<Paste>
+            # Figure. Originator SRGB TLV (Prefix-SID type-3)
+
+            # ExaBGP generic-attribute binary pattern:
+            #   Attribute-type: 0x28 (40:BGP_PREFIX_SID)
+            #   Attribute-flag: 0xc0 (Option, Transitive)
+            #   Attribute-body: Label-Index TLV and Originator SRGB TLV
+            #    Label-Index TLV: 0x01000700000000000001
+            #      Type        (08bit): 0x01
+            #      Length      (16bit): 0x0007
+            #      RESERVED    (08bit): 0x00
+            #      Flags       (16bit): 0x0000
+            #      Label Index (32bit): 0x00000001
+            #    Originator SRGB TLV: 0x03000800000c350000000a
+            #      Type        (08bit): 0x03
+            #      Length      (16bit): 0x0008 (nb-SRGB is 1)
+            #      Flags       (16bit): 0x0000
+            #      SRGB1       (48bit): 0x0c3500:0x00000a (800000-800010 is SRGB1)
+            route 3.0.0.1/32 next-hop 10.0.0.101 label [800001] attribute [0x28 0xc0 0x0100070000000000000103000800000c350000000a];
+
+            # ExaBGP generic-attribute binary pattern:
+            #   Attribute-type: 0x28 (40:BGP_PREFIX_SID)
+            #   Attribute-flag: 0xc0 (Option, Transitive)
+            #   Attribute-body: Label-Index TLV and Originator SRGB TLV
+            #    Label-Index TLV: 0x01000700000000000001
+            #      Type        (08bit): 0x01
+            #      Length      (16bit): 0x0007
+            #      RESERVED    (08bit): 0x00
+            #      Flags       (16bit): 0x0000
+            #      Label Index (32bit): 0x00000002
+            #    Originator SRGB TLV: 0x03000800000c350000000a
+            #      Type        (08bit): 0x03
+            #      Length      (16bit): 0x0008 (nb-SRGB is 1)
+            #      Flags       (16bit): 0x0000
+            #      SRGB1       (48bit): 0x0c3500:0x00000a (800000-800010 is SRGB1)
+            route 3.0.0.2/32 next-hop 10.0.0.101 label [800002] attribute [0x28 0xc0 0x0100070000000000000203000800000c350000000a];
+
+            # ExaBGP generic-attribute binary pattern:
+            #   Attribute-type: 0x28 (40:BGP_PREFIX_SID)
+            #   Attribute-flag: 0xc0 (Option, Transitive)
+            #   Attribute-body: Label-Index TLV and Originator SRGB TLV
+            #    Label-Index TLV: 0x01000700000000000001
+            #      Type        (08bit): 0x01
+            #      Length      (16bit): 0x0007
+            #      RESERVED    (08bit): 0x00
+            #      Flags       (16bit): 0x0000
+            #      Label Index (32bit): 0x00000003
+            #    Originator SRGB TLV: 0x03000800000c350000000a
+            #      Type        (08bit): 0x03
+            #      Length      (16bit): 0x0008 (nb-SRGB is 1)
+            #      Flags       (16bit): 0x0000
+            #      SRGB1       (48bit): 0x0c3500:0x00000a (800000-800010 is SRGB1)
+            route 3.0.0.3/32 next-hop 10.0.0.101 label [800003] attribute [0x28 0xc0 0x0100070000000000000303000800000c350000000a];
+        }
+    }
+}
diff --git a/tests/topotests/bgp_prefix_sid/peer2/exabgp.cfg b/tests/topotests/bgp_prefix_sid/peer2/exabgp.cfg
new file mode 100644
index 0000000..379d0a3
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/peer2/exabgp.cfg
@@ -0,0 +1,19 @@
+group controller {
+
+    process receive-routes {
+        run "/etc/exabgp/exa-receive.py --no-timestamp 2";
+        receive-routes;
+        encoder json;
+    }
+
+    neighbor 10.0.0.1 {
+        router-id 10.0.0.102;
+        local-address 10.0.0.102;
+        local-as 3;
+        peer-as 1;
+
+        family {
+            ipv4 nlri-mpls;
+        }
+    }
+}
diff --git a/tests/topotests/bgp_prefix_sid/r1/bgpd.conf b/tests/topotests/bgp_prefix_sid/r1/bgpd.conf
new file mode 100644
index 0000000..e02226f
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/r1/bgpd.conf
@@ -0,0 +1,17 @@
+log stdout notifications
+log commands
+!
+router bgp 1
+ bgp router-id 10.0.0.1
+ no bgp default ipv4-unicast
+ no bgp ebgp-requires-policy
+ neighbor 10.0.0.101 remote-as 2
+ neighbor 10.0.0.101 timers 3 10
+ neighbor 10.0.0.102 remote-as 3
+ neighbor 10.0.0.102 timers 3 10
+ !
+ address-family ipv4 labeled-unicast
+  neighbor 10.0.0.101 activate
+  neighbor 10.0.0.102 activate
+ exit-address-family
+!
diff --git a/tests/topotests/bgp_prefix_sid/r1/zebra.conf b/tests/topotests/bgp_prefix_sid/r1/zebra.conf
new file mode 100644
index 0000000..0cd2605
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/r1/zebra.conf
@@ -0,0 +1,7 @@
+hostname r1
+!
+interface r1-eth0
+ ip address 10.0.0.1/24
+ no shutdown
+!
+line vty
diff --git a/tests/topotests/bgp_prefix_sid/test_bgp_prefix_sid.py b/tests/topotests/bgp_prefix_sid/test_bgp_prefix_sid.py
new file mode 100644
index 0000000..d51dc5f
--- /dev/null
+++ b/tests/topotests/bgp_prefix_sid/test_bgp_prefix_sid.py
@@ -0,0 +1,185 @@
+#!/usr/bin/env python
+
+#
+# test_bgp_prefix_sid.py
+# Part of NetDEF Topology Tests
+#
+# Copyright (c) 2020 by LINE Corporation
+# Copyright (c) 2020 by Hiroki Shirokura <slank.dev@gmail.com>
+#
+# Permission to use, copy, modify, and/or distribute this software
+# for any purpose with or without fee is hereby granted, provided
+# that the above copyright notice and this permission notice appear
+# in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND NETDEF DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NETDEF BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
+# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+#
+
+"""
+test_bgp_prefix_sid.py: Test BGP topology with EBGP on prefix-sid
+"""
+
+import json
+import os
+import sys
+import functools
+import pytest
+
+CWD = os.path.dirname(os.path.realpath(__file__))
+sys.path.append(os.path.join(CWD, "../"))
+
+# pylint: disable=C0413
+from lib import topotest
+from lib.topogen import Topogen, TopoRouter, get_topogen
+from lib.topolog import logger
+
+pytestmark = [pytest.mark.bgpd]
+
+
+def build_topo(tgen):
+    router = tgen.add_router("r1")
+    switch = tgen.add_switch("s1")
+    switch.add_link(router)
+
+    switch = tgen.gears["s1"]
+    peer1 = tgen.add_exabgp_peer("peer1", ip="10.0.0.101", defaultRoute="via 10.0.0.1")
+    peer2 = tgen.add_exabgp_peer("peer2", ip="10.0.0.102", defaultRoute="via 10.0.0.1")
+    switch.add_link(peer1)
+    switch.add_link(peer2)
+
+
+def setup_module(module):
+    tgen = Topogen(build_topo, module.__name__)
+    tgen.start_topology()
+
+    router = tgen.gears["r1"]
+    router.load_config(
+        TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format("r1"))
+    )
+    router.load_config(
+        TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format("r1"))
+    )
+    router.start()
+
+    logger.info("starting exaBGP on peer1")
+    peer_list = tgen.exabgp_peers()
+    for pname, peer in peer_list.items():
+        peer_dir = os.path.join(CWD, pname)
+        env_file = os.path.join(CWD, "exabgp.env")
+        logger.info("Running ExaBGP peer")
+        peer.start(peer_dir, env_file)
+        logger.info(pname)
+
+
+def teardown_module(module):
+    tgen = get_topogen()
+    tgen.stop_topology()
+
+
+def test_r1_receive_and_advertise_prefix_sid_type1():
+    tgen = get_topogen()
+    router = tgen.gears["r1"]
+
+    def _check_type1_r1(router, prefix, remoteLabel, labelIndex):
+        output = router.vtysh_cmd(
+            "show bgp ipv4 labeled-unicast {} json".format(prefix)
+        )
+        output = json.loads(output)
+        expected = {
+            "prefix": prefix,
+            "advertisedTo": {"10.0.0.101": {}, "10.0.0.102": {}},
+            "paths": [
+                {
+                    "valid": True,
+                    "remoteLabel": remoteLabel,
+                    "labelIndex": labelIndex,
+                }
+            ],
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_check_type1_r1, router, "3.0.0.1/32", 800001, 1)
+    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+    assert result is None, 'Failed _check_type1_r1 in "{}"'.format(router)
+
+    test_func = functools.partial(_check_type1_r1, router, "3.0.0.2/32", 800002, 2)
+    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+    assert result is None, 'Failed _check_type1_r1 in "{}"'.format(router)
+
+
+def exabgp_get_update_prefix(filename, afi, nexthop, prefix):
+    with open(filename) as f:
+        for line in f.readlines():
+            output = json.loads(line)
+            ret = output.get("neighbor")
+            if ret is None:
+                continue
+            ret = ret.get("message")
+            if ret is None:
+                continue
+            ret = ret.get("update")
+            if ret is None:
+                continue
+            ret = ret.get("announce")
+            if ret is None:
+                continue
+            ret = ret.get(afi)
+            if ret is None:
+                continue
+            ret = ret.get(nexthop)
+            if ret is None:
+                continue
+            ret = ret.get(prefix)
+            if ret is None:
+                continue
+            return output
+        return "Not found"
+
+
+def test_peer2_receive_prefix_sid_type1():
+    tgen = get_topogen()
+    peer2 = tgen.gears["peer2"]
+    logfile = "{}/{}-received.log".format(peer2.gearlogdir, peer2.name)
+
+    def _check_type1_peer2(prefix, labelindex):
+        output = exabgp_get_update_prefix(
+            logfile, "ipv4 nlri-mpls", "10.0.0.101", prefix
+        )
+        expected = {
+            "type": "update",
+            "neighbor": {
+                "ip": "10.0.0.1",
+                "message": {
+                    "update": {
+                        "attribute": {
+                            "attribute-0x28-0xE0": "0x010007000000{:08x}".format(
+                                labelindex
+                            )
+                        },
+                        "announce": {"ipv4 nlri-mpls": {"10.0.0.101": {}}},
+                    }
+                },
+            },
+        }
+        return topotest.json_cmp(output, expected)
+
+    test_func = functools.partial(_check_type1_peer2, "3.0.0.1/32", labelindex=1)
+    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+    assert result is None, 'Failed _check_type1_peer2 in "{}"'.format("peer2")
+
+    test_func = functools.partial(_check_type1_peer2, "3.0.0.2/32", labelindex=2)
+    success, result = topotest.run_and_expect(test_func, None, count=10, wait=0.5)
+    assert result is None, 'Failed _check_type1_peer2 in "{}"'.format("peer2")
+
+
+if __name__ == "__main__":
+    args = ["-s"] + sys.argv[1:]
+    ret = pytest.main(args)
+    sys.exit(ret)