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#!/usr/bin/env bash
function smr_rtr_disjoint_clean {
echo "Clearing all VPP instances.."
pkill vpp --signal 9
rm /dev/shm/*
echo "Cleaning RTR topology.."
ip netns exec wan4-ns ifconfig vppbr1 down
ip netns exec wan4-ns brctl delbr vppbr1
ip netns exec vpp2-rtr-ns ifconfig vppbr2 down
ip netns exec vpp2-rtr-ns brctl delbr vppbr2
ip link del dev vpp1 &> /dev/null
ip link del dev vpp2 &> /dev/null
ip link del dev vpp1_wan4 &> /dev/null
ip link del dev rtr1_vpp1 &> /dev/null
ip link del dev vpp2_rtr &> /dev/null
ip link del dev rtr_vpp2 &> /dev/null
ip link del dev odl_wan4 &> /dev/null
ip link del dev odl_vpp2 &> /dev/null
ip netns del vpp1-ns &> /dev/null
ip netns del vpp2-ns &> /dev/null
ip netns del wan4-ns &> /dev/null
ip netns del vpp2-rtr-ns &> /dev/null
odl_clear_all
}
function smr_rtr_disjoint_setup {
# create namespaces
ip netns add vpp1-ns
ip netns add vpp2-ns
ip netns add wan4-ns
ip netns add vpp2-rtr-ns
# create pair interfaces between vpp[1|2], rtr and odl
ip link add veth_vpp1_wan4 type veth peer name vpp1_wan4
ip link add veth_rtr_wan4 type veth peer name rtr_wan4
ip link add veth_vpp2_rtr type veth peer name vpp2_rtr
ip link add veth_vpp2_wan4 type veth peer name vpp2_wan4
ip link add veth_rtr_vpp2 type veth peer name rtr_vpp2
ip link add veth_odl_wan4 type veth peer name odl_wan4
ip link add veth_odl_vpp2 type veth peer name odl_vpp2
# enable peer interfaces
ip link set dev vpp1_wan4 up
ip link set dev rtr_wan4 up
ip link set dev vpp2_rtr up
ip link set dev vpp2_wan4 up
ip link set dev rtr_vpp2 up
ip link set dev odl_wan4 up
ip link set dev odl_vpp2 up
# enable veth interfaces and set them in the appropriate ip ns
ip link set dev veth_vpp1_wan4 up netns wan4-ns
ip link set dev veth_rtr_wan4 up netns wan4-ns
ip link set dev veth_vpp2_rtr up netns vpp2-rtr-ns
ip link set dev veth_vpp2_wan4 up netns wan4-ns
ip link set dev veth_rtr_vpp2 up netns vpp2-rtr-ns
ip link set dev veth_odl_wan4 up netns wan4-ns
ip link set dev veth_odl_vpp2 up netns vpp2-rtr-ns
# vpp1, rtr and odl
ip netns exec wan4-ns brctl addbr vppbr1
ip netns exec wan4-ns brctl addif vppbr1 veth_vpp1_wan4
ip netns exec wan4-ns brctl addif vppbr1 veth_rtr_wan4
ip netns exec wan4-ns brctl addif vppbr1 veth_vpp2_wan4
ip netns exec wan4-ns brctl addif vppbr1 veth_odl_wan4
ip netns exec wan4-ns ifconfig vppbr1 up
# vpp2, rtr and odl
ip netns exec vpp2-rtr-ns brctl addbr vppbr2
ip netns exec vpp2-rtr-ns brctl addif vppbr2 veth_vpp2_rtr
ip netns exec vpp2-rtr-ns brctl addif vppbr2 veth_rtr_vpp2
ip netns exec vpp2-rtr-ns brctl addif vppbr2 veth_odl_vpp2
ip netns exec vpp2-rtr-ns ifconfig vppbr2 up
# vpp1 to client
ip link add veth_vpp1 type veth peer name vpp1
ip link set dev vpp1 up
ip link set dev veth_vpp1 up netns vpp1-ns
ip netns exec vpp1-ns \
bash -c "
ip link set dev lo up
ip addr add 6.0.2.2/24 dev veth_vpp1
ip addr add 6:0:2::2/64 dev veth_vpp1
ip route add 6.0.4.0/24 via 6.0.2.1
ip route add 6:0:4::0/64 via 6:0:2::1
"
# vpp2 to client
ip link add veth_vpp2 type veth peer name vpp2
ip link set dev vpp2 up
ip link set dev veth_vpp2 up netns vpp2-ns
ip netns exec vpp2-ns \
bash -c "
ip link set dev lo up
ip addr add 6.0.4.4/24 dev veth_vpp2
ip addr add 6:0:4::4/64 dev veth_vpp2
ip route add 6.0.2.0/24 via 6.0.4.1
ip route add 6:0:2::0/64 via 6:0:4::1
"
# vpp1 to odl
ip addr add 6.0.3.100/24 dev odl_wan4
ip addr add 6:0:3::100/64 dev odl_wan4
ethtool --offload odl_wan4 rx off tx off
# vpp2 to odl
ip addr add 6.0.5.100/24 dev odl_vpp2
ip addr add 6:0:5::100/64 dev odl_vpp2
ethtool --offload odl_vpp2 rx off tx off
# generate config files
./scripts/generate_config.py ${VPP_LITE_CONF} ${CFG_METHOD}
start_vpp 5002 vpp1
start_vpp 5003 vpp2
start_vpp 5004 vpp3
echo "* Selected configuration method: $CFG_METHOD"
if [ "$CFG_METHOD" == "cli" ] ; then
echo "exec ${VPP_LITE_CONF}/vpp1.cli" | nc 0 5002
echo "exec ${VPP_LITE_CONF}/vpp2.cli" | nc 0 5003
echo "exec ${VPP_LITE_CONF}/vpp3.cli" | nc 0 5004
elif [ "$CFG_METHOD" == "vat" ] ; then
sleep 2
${VPP_API_TEST} chroot prefix vpp1 script in ${VPP_LITE_CONF}/vpp1.vat
${VPP_API_TEST} chroot prefix vpp2 script in ${VPP_LITE_CONF}/vpp2.vat
${VPP_API_TEST} chroot prefix vpp3 script in ${VPP_LITE_CONF}/vpp3.vat
else
echo "=== WARNING:"
echo "=== Invalid configuration method selected!"
echo "=== To resolve this set env variable CFG_METHOD to vat or cli."
echo "==="
fi
post_curl "add-mapping" ${ODL_CONFIG_FILE1}
post_curl "add-mapping" ${ODL_CONFIG_FILE2}
}
function smr_rtr_disjoint_reconfigure {
post_curl "add-mapping" ${ODL_CONFIG_FILE3}
post_curl "add-mapping" ${ODL_CONFIG_FILE4}
}
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