4:59 p.m.
This adds a test for GRE tunneling in a scenario where overlay and
underlay are in the same VRF. As in the case of ipip-001-gre-hier-basic,
several lifetime scenarios are tested.
Signed-off-by: Petr Machata <petrm(a)mellanox.com>
---
Notes:
Changes from v1 to v2:
- Split out this code to patch of its own.
- Replace manual route handling with add_nhs_route() call
recipes/switchdev/ipip-003-gre-flat.py | 134 ++++++++++++++++++++++++++++++++
recipes/switchdev/ipip-003-gre-flat.xml | 12 +++
2 files changed, 146 insertions(+)
create mode 100644 recipes/switchdev/ipip-003-gre-flat.py
create mode 100644 recipes/switchdev/ipip-003-gre-flat.xml
diff --git a/recipes/switchdev/ipip-003-gre-flat.py
b/recipes/switchdev/ipip-003-gre-flat.py
new file mode 100644
index 0000000..a24350a
--- /dev/null
+++ b/recipes/switchdev/ipip-003-gre-flat.py
@@ -0,0 +1,134 @@
+"""
+Copyright 2017 Mellanox Technologies. All rights reserved.
+Licensed under the GNU General Public License, version 2 as
+published by the Free Software Foundation; see COPYING for details.
+"""
+
+__author__ = """
+petrm(a)mellanox.com (Petr Machata)
+"""
+
+from lnst.Controller.Task import ctl
+from TestLib import TestLib, vrf, dummy, gre
+from ipip_common import ping_test, encap_route, \
+ add_forward_route, connect_host_ifaces, \
+ test_ip, ipv4, ipv6
+from time import sleep
+import logging
+
+def do_task(ctl, hosts, ifaces, aliases):
+ m1, m2, sw = hosts
+ m1_if1, m2_if1, sw_if1, sw_if2 = ifaces
+
+ m1_if1.add_nhs_route(ipv4(test_ip(2, 0)), [ipv4(test_ip(1, 1, []))])
+ m1_if1.add_nhs_route(ipv6(test_ip(2, 0)), [ipv6(test_ip(1, 1, []))])
+ m2_if1.add_nhs_route("1.2.3.4/32", [ipv4(test_ip(99, 1, []))])
+
+ vrf_None = None
+ tl = TestLib(ctl, aliases)
+ sw_if1.reset(ip=test_ip(1, 1))
+ sw_if2.reset(ip=test_ip(99,1))
+
+ logging.info("=== Flat configuration in non-default VRF")
+ with encap_route(m2, vrf_None, 1, "gre1", ip=ipv4), \
+ encap_route(m2, vrf_None, 1, "gre1", ip=ipv6), \
+ vrf(sw) as vrf1, \
+ dummy(sw, vrf1, ip=["1.2.3.4/32"]) as d, \
+ gre(sw, None, vrf1,
+ tos="inherit",
+ local_ip="1.2.3.4",
+ remote_ip="1.2.3.5") as g, \
+ encap_route(sw, vrf1, 2, g, ip=ipv4), \
+ encap_route(sw, vrf1, 2, g, ip=ipv6):
+
+ connect_host_ifaces(sw, sw_if1, vrf1, sw_if2, vrf1)
+ sw_if1.reset()
+ sw_if2.reset()
+ add_forward_route(sw, vrf1, "1.2.3.5")
+ sleep(20)
+
+ ping_test(tl, m1, sw, ipv6(test_ip(2, 33, [])), m1_if1, g,
+ ipv6=True)
+ ping_test(tl, m1, sw, ipv4(test_ip(2, 33, [])), m1_if1, g)
+
+ logging.info("=== Flat configuration in default VRF")
+ with encap_route(m2, vrf_None, 1, "gre1", ip=ipv4), \
+ encap_route(m2, vrf_None, 1, "gre1", ip=ipv6):
+
+ sw_if1.reset()
+ sw_if2.reset()
+ add_forward_route(sw, vrf_None, "1.2.3.5")
+
+ # - Set up encap route before decap route.
+ # - Tear down encap route before decap route.
+ logging.info("--- Eup, Dup, Edown, Ddown")
+ with dummy(sw, vrf_None) as d, \
+ gre(sw, None, vrf_None,
+ tos="inherit",
+ local_ip="1.2.3.4",
+ remote_ip="1.2.3.5") as g, \
+ encap_route(sw, vrf_None, 2, g, ip=ipv4), \
+ encap_route(sw, vrf_None, 2, g, ip=ipv6):
+
+ sleep(5)
+ d.set_addresses(["1.2.3.4/32"])
+ sleep(15)
+ ping_test(tl, m1, sw, ipv6(test_ip(2, 33, [])), m1_if1, g,
+ ipv6=True)
+ ping_test(tl, m1, sw, ipv4(test_ip(2, 33, [])), m1_if1, g)
+
+ # - Set up decap route before encap route.
+ # - Tear down decap route before encap route.
+ logging.info("--- Dup, Eup, Ddown, Edown")
+ with dummy(sw, vrf_None, ip=["1.2.3.4/32"]) as d, \
+ gre(sw, None, vrf_None,
+ tos="inherit",
+ local_ip="1.2.3.4",
+ remote_ip="1.2.3.5") as g:
+
+ with encap_route(sw, vrf_None, 2, g, ip=ipv4), \
+ encap_route(sw, vrf_None, 2, g, ip=ipv6):
+ sleep(15)
+ ping_test(tl, m1, sw, ipv6(test_ip(2, 33, [])), m1_if1, g,
+ ipv6=True)
+ ping_test(tl, m1, sw, ipv4(test_ip(2, 33, [])), m1_if1, g)
+
+ d.set_addresses([])
+ g.set_addresses([])
+
+ logging.info("--- Bound device in flat config")
+ with dummy(sw, vrf_None, ip=["1.2.3.4/32"]) as d, \
+ gre(sw, d, vrf_None,
+ tos="inherit",
+ local_ip="1.2.3.4",
+ remote_ip="1.2.3.5") as g, \
+ encap_route(sw, vrf_None, 2, g, ip=ipv4), \
+ encap_route(sw, vrf_None, 2, g, ip=ipv6):
+ sleep(15)
+ ping_test(tl, m1, sw, ipv6(test_ip(2, 33, [])), m1_if1, g,
+ ipv6=True)
+ ping_test(tl, m1, sw, ipv4(test_ip(2, 33, [])), m1_if1, g)
+
+ logging.info("--- No dummy")
+ with gre(sw, None, vrf_None,
+ tos="inherit",
+ local_ip="1.2.3.4",
+ remote_ip="1.2.3.5",
+ ip=["1.2.3.4/32"]) as g, \
+ encap_route(sw, vrf_None, 2, g, ip=ipv4), \
+ encap_route(sw, vrf_None, 2, g, ip=ipv6):
+
+ sleep(15)
+ ping_test(tl, m1, sw, ipv6(test_ip(2, 33, [])), m1_if1, g,
+ ipv6=True)
+ ping_test(tl, m1, sw, ipv4(test_ip(2, 33, [])), m1_if1, g)
+
+
+do_task(ctl, [ctl.get_host("machine1"),
+ ctl.get_host("machine2"),
+ ctl.get_host("switch")],
+ [ctl.get_host("machine1").get_interface("if1"),
+ ctl.get_host("machine2").get_interface("if1"),
+ ctl.get_host("switch").get_interface("if1"),
+ ctl.get_host("switch").get_interface("if2")],
+ ctl.get_aliases())
diff --git a/recipes/switchdev/ipip-003-gre-flat.xml
b/recipes/switchdev/ipip-003-gre-flat.xml
new file mode 100644
index 0000000..a6cdb11
--- /dev/null
+++ b/recipes/switchdev/ipip-003-gre-flat.xml
@@ -0,0 +1,12 @@
+<lnstrecipe xmlns:xi="http://www.w3.org/2003/XInclude">
+ <xi:include href="default_aliases.xml" />
+ <define>
+ <alias name="onet1" value="192.168.1"/>
+ <alias name="onet2" value="192.168.2"/>
+ <alias name="o6net1" value="2002:1"/>
+ <alias name="o6net2" value="2002:2"/>
+ <alias name="unet" value="192.168.99"/>
+ </define>
+ <xi:include href="ipip_common_topology.xml" />
+ <task python="ipip-003-gre-flat.py" />
+</lnstrecipe>
--
2.4.11