smoke: add ospf6 test

Add ospf6 test, similar to the previous ospf test.

Signed-off-by: Christophe Fontaine <[email protected]>

Author: christophefontaine

smoke/_init.sh

@@ -225,11 +225,13 @@ if [ "$test_frr" = true ] && [ "$run_frr" = true ]; then
 bgpd=yes
 isisd=yes
 ospfd=yes
+ospf6d=yes
 vtysh_enable=yes
 zebra_options="-A 127.0.0.1 -s 90000000 --log file:$flog -M dplane_grout"
 bgpd_options="-A 127.0.0.1 --log file:$flog"
 isisd_options="--daemon -A 127.0.0.1 --log file:$flog"
 ospfd_options="--daemon -A 127.0.0.1 --log file:$flog"
+ospf6d_options="--daemon -A 127.0.0.1 --log file:$flog"
 EOF
 	cat >$builddir/frr_install/etc/frr/frr.conf <<EOF
 hostname grout

smoke/_init_frr.sh

@@ -248,11 +248,13 @@ start_frr_on_namespace() {
 bgpd=yes
 isisd=yes
 ospfd=yes
+ospf6d=yes
 vtysh_enable=yes
 zebra_options="--daemon -A 127.0.0.1 -s 90000000 --log file:$flog"
 bgpd_options="--daemon -A 127.0.0.1 --log file:$flog"
 isisd_options="--daemon -A 127.0.0.1 --log file:$flog"
 ospfd_options="--daemon -A 127.0.0.1 --log file:$flog"
+ospf6d_options="--daemon -A 127.0.0.1 --log file:$flog"
 watchfrr_options="--netns=$namespace"
 EOF
 	cat >$frr_namespace_folder/frr.conf <<EOF
@@ -303,4 +305,12 @@ EOF
 		fi
 		sleep 0.1
 	done
+
+	SECONDS=0
+	while ! pgrep -f "ospf6d -N $namespace"; do
+		if [ "$SECONDS" -ge "5" ]; then
+			fail "OSPF6 daemon not started for namespace $namespace"
+		fi
+		sleep 0.1
+	done
 }

smoke/ospf6_frr_test.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+# SPDX-License-Identifier: BSD-3-Clause
+# Copyright (c) 2025 Christophe Fontaine
+
+#                                                      .--------------------.
+#                                                      | netns "ospf6-peer" |
+#  .--------..------------.                            |        .--------.  |
+#  | zebra  ||   grout    |                            |        | ospf6d |  |
+#  '--------'|            |                            |        '--------'  |
+#  .--------.|      .-----------.               .------------. .-------.    |
+#  | ospf6d ||      |     p0    |    net_tap    |    x-p0    | | zebra |    |
+#  '--------'|      |           +---------------+            | '-------'    |
+#      .----------. | fe80::/64 |               | fe80::/64  |.----------.  |
+#      | gr-loop0 | '-----------'               '------------'|    lo    |  |
+#      '----------'       |                            |      |          |  |
+#           |      ping <-----------------------------------> |2001:db8: |  |
+#           |             |                            |      |  1000::1 |  |
+#           '-------------'                            |      '----------'  |
+#                                                      '--------------------'
+
+. $(dirname $0)/_init_frr.sh
+
+create_interface p0
+set_ip_address p0 2001:db8::1/64
+
+start_frr_on_namespace ospf6-peer
+ip link set x-p0 netns ospf6-peer
+
+ip -n grout l set p0 up
+ip -n ospf6-peer l set x-p0 up
+
+# Configure Grout FRR instance
+vtysh <<-EOF
+configure terminal
+ipv6 forwarding
+!
+#debug ospf6 event
+#debug ospf6 message all
+!
+interface p0
+	ipv6 ospf6 area 0.0.0.1
+	ipv6 ospf6 hello-interval 1
+exit
+!
+router ospf6
+	ospf6 router-id 1.1.1.1
+	area 0.0.0.1 range 2001:db8::/48
+exit
+!
+EOF
+
+vtysh -N ospf6-peer <<-EOF
+configure terminal
+ipv6 forwarding
+!
+#debug ospf6 event
+#debug ospf6 message all
+!
+interface lo
+	ipv6 address 2001:db8:1000::1/64
+exit
+!
+interface x-p0
+	ipv6 ospf6 area 0.0.0.1
+	ipv6 ospf6 hello-interval 1
+exit
+!
+router ospf6
+	ospf6 router-id 2.2.2.2
+	area 0.0.0.1 range 2001:db8::/48
+	redistribute connected
+exit
+end
+!
+EOF
+
+# Convergence takes ~40s, be patient.
+attempts=60
+while ! $(vtysh -c 'show ipv6 ospf6 neighbor json' | jq '.neighbors[] | select(.neighborId=="2.2.2.2") | .state == "Full"' -e > /dev/null) ; do
+	sleep 1
+	if [ "$attempts" -le 0 ]; then
+		fail "OSPF6 failed to connect to neighbor."
+	fi
+	attempts=$((attempts - 1))
+done
+
+attempts=10
+while ! $(vtysh -c 'show ipv6 route ospf6 json' | jq '."2001:db8:1000::/64"[0].protocol == "ospf6"' -e > /dev/null) ; do
+	sleep 1
+	if [ "$attempts" -le 0 ]; then
+		fail "OSPF6 failed to get routes."
+	fi
+	attempts=$((attempts - 1))
+done
+
+grcli ping6 2001:db8:1000::1 count 3 delay 10