Add FRRouting support to VPP Containerlab

docker/files/etc/frr/daemons

@@ -0,0 +1,17 @@
+# These are the daemons that FRR will use for VPP Containerlab
+# NOTE: we need to run in the 'dataplane' network namespace, and use the `dplane_fpm_nl` plugin
+bgpd=yes
+ospfd=yes
+ospf6d=yes
+bfdd=yes
+ldpd=yes
+
+vtysh_enable=yes
+watchfrr_options="--netns=dataplane"
+zebra_options="  -A 127.0.0.1 -s 67108864 -M dplane_fpm_nl"
+bgpd_options="   -A 127.0.0.1"
+ospfd_options="  -A 127.0.0.1"
+ospf6d_options=" -A ::1"
+staticd_options="-A 127.0.0.1"
+bfdd_options="   -A 127.0.0.1"
+ldpd_options="   -A 127.0.0.1"

docker/files/etc/frr/frr.conf

@@ -0,0 +1,10 @@
+# This is the VPP Containerlab default FRR configuration.
+
+frr defaults traditional
+log syslog informational
+ip forwarding
+ipv6 forwarding
+service integrated-vtysh-config
+!
+ip router-id 192.0.2.1
+!

docker/files/init-container.sh

@@ -5,6 +5,7 @@ CLAB_VPP_FILE=${CLAB_VPP_FILE:=/etc/vpp/clab.vpp}
 VPPCFG_VPP_FILE=${VPPCFG_VPP_FILE:=/etc/vpp/vppcfg.vpp}
 NETNS=${NETNS:="dataplane"}
 BIRD_ENABLED=${BIRD_ENABLED:="true"}
+FRR_ENABLED=${FRR_ENABLED:="false"}
 
 echo "Creating dataplane namespace"
 /usr/bin/mkdir -p /etc/netns/$NETNS
@@ -25,6 +26,13 @@ if [ "$BIRD_ENABLED" == "true" ]; then
   /usr/bin/nsenter --net=/var/run/netns/$NETNS /usr/sbin/bird -u bird -g bird
 fi
 
+if [ "$FRR_ENABLED" == "true" ]; then
+  echo "Starting FRRouting in $NETNS"
+  ROUTERID=$(ip -br a show eth0 | awk '{ print $3 }' | cut -f1 -d/)
+  sed -i -e "s,^ip router-id .*,ip router-id $ROUTERID," /etc/frr/frr.conf
+  /etc/init.d/frr start
+fi
+
 echo "Generating $CLAB_VPP_FILE"
 : > $CLAB_VPP_FILE
 MTU=9216