--- /dev/null
+create host-interface name vpp1
+set int state host-vpp1 up
+set int ip address host-vpp1 6.0.1.1/24
+
+create host-interface name intervpp1
+set int state host-intervpp1 up
+set int ip address host-intervpp1 6.0.3.1/24
+
+lisp enable
+
+lisp locator-set add ls1 iface host-intervpp1 p 1 w 1
+lisp eid-table add eid 6.0.1.0/24 locator-set ls1
+
+lisp map-resolver add 6.0.3.99
+lisp map-resolver add 6.0.3.100
--- /dev/null
+create host-interface name vpp2
+set int state host-vpp2 up
+set int ip address host-vpp2 6.0.2.1/24
+
+create host-interface name intervpp2
+set int state host-intervpp2 up
+set int ip address host-intervpp2 6.0.3.2/24
+
+lisp enable
+
+lisp locator-set add ls1 iface host-intervpp2 p 1 w 1
+lisp eid-table add eid 6.0.2.0/24 locator-set ls1
+lisp map-resolver add 6.0.3.100
--- /dev/null
+#/usr/bin/env python
+
+# Simple map resolver
+#
+# This script creates an UDP socket and starts listening on it.
+# When a map-request is received nonce is extracted from the request and
+# used in map-reply.
+#
+# Notes:
+# * works only with ipv4 in both under/over-lays.
+# * exact address matching is done while looking for a mapping
+#
+# Usage:
+# ./dummy_mr <bind-ip> <port>
+#
+
+import sys
+import socket
+
+# mapping between EIDs and RLOCs
+mappings = {
+ b'\x06\x00\x02\x02' : (b'\x06\x00\x03\x02', ),
+ b'\x06\x00\x01\x02' : (b'\x06\x00\x03\x01', )
+}
+
+# LISP map-reply message
+reply_data = (b'\x20\x00\x00\x01' # type, PES, reserved, record count
+ + '\x00\x00\x00\x00' # nonce
+ + '\x00\x00\x00\x00' # nonce
+ + '\x00\x00\x05\xa0' # record TTL
+ + '\x01\x18\x10\x00' # loc-count, EID-len, ACT
+ + '\x00\x00\x00\x01' # rsvd, map-version, EID-AFI=ipv4
+ + '\x06\x00\x02\x00' # EID prefix
+ + '\x01\x01\xff\x00' # prio, weight, mprio, mweight
+ + '\x00\x05\x00\x01' # unused, LpR, Loc-AFI
+ + '\x06\x00\x03\x02') # locator
+
+request_nonce_offset = 36
+reply_nonce_offset = 4
+
+request_eid_offset = 60
+reply_eid_offset = 24
+
+reply_rloc_offset = 36
+
+
+def build_reply(nonce, deid):
+ if deid not in mappings:
+ raise Exception('No mapping found for eid {}!'.format(repr(deid)))
+ m = mappings[deid]
+
+ # prepare reply data
+ reply = bytearray(reply_data)
+
+ # update rloc field in reply message
+ rloc = bytearray(m[0])
+
+ for i in range(0, 4):
+ reply[reply_rloc_offset + i] = rloc[i]
+
+ # update eid prefix field
+ for i in range(0, 4):
+ reply[reply_eid_offset + i] = deid[i]
+
+ # update nonce
+ for i in range(0, 8):
+ reply[reply_nonce_offset + i] = nonce[i]
+
+ return reply
+
+
+def run(host, port):
+ sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+ server_address = (host, int(port))
+ sock.bind(server_address)
+
+ while True:
+ data, address = sock.recvfrom(4096)
+
+ # extract nonce from request
+ nonce = data[request_nonce_offset:request_nonce_offset+8]
+
+ # extract deid
+ deid = data[request_eid_offset:request_eid_offset+4]
+
+ rp = build_reply(nonce, deid)
+ sock.sendto(rp, address)
+
+
+if __name__ == "__main__":
+ if len(sys.argv) < 2:
+ raise Exception('IP and port expected')
+
+ run(sys.argv[1], sys.argv[2])
--- /dev/null
+source config.sh
+source odl_utils.sh
+source topologies/basic_two_odls.sh
+
+ODL_CONFIG_FILE1="vpp1.json"
+ODL_CONFIG_FILE2="vpp2.json"
+
+if [ "$1" == "clean" ] ; then
+ basic_two_odls_clean
+ exit 0
+fi
+
+if [[ $(id -u) != 0 ]]; then
+ echo "Error: run this as a root."
+ exit 1
+fi
+
+function start_map_resolver
+{
+ echo "starting dummy map resolver on interface $1"
+ python scripts/dummy_mr.py "$1" 4342 &
+ mr_id=$!
+}
+
+function test_resolver_failover
+{
+ basic_two_odls_setup
+
+ start_map_resolver "6.0.3.100"
+
+ test_result=1
+
+ if [ "$3" == "wait" ] ; then
+ read -p "press any key to continue .." -n1
+ fi
+
+ ip netns exec vppns1 "${1}" -w 20 -c 1 "${2}"
+ rc=$?
+
+ # test done
+ if [ "$3" == "wait" ] ; then
+ read -p "press any key to continue .." -n1
+ fi
+
+ basic_two_odls_clean
+ kill $mr_id
+
+ if [ $rc -ne 0 ] ; then
+ echo "Test failed: No ICMP response received within specified timeout limit!"
+ else
+ echo "Test passed."
+ test_result=0
+ fi
+
+ exit $test_result
+}
--- /dev/null
+#!/usr/bin/env bash
+
+# Test map resover failover scenario
+#
+# Current implementation selects first map resolver that is configured
+# and sends map requests towards it. If there is no response try next one.
+# This test verifies whether ITR is able to switch ultimately to a working one.
+
+VPP_LITE_CONF=`pwd`/../configs/vpp_lite_config/basic/4o4_failover
+ODL_CONFIG_DIR=`pwd`/../configs/odl/basic/4o4
+
+source test_driver/resolver_failover.sh
+
+test_resolver_failover ping "6.0.2.2"
--- /dev/null
+
+#!/usr/bin/env bash
+
+function basic_two_odls_clean
+{
+ echo "Clearing all VPP instances.."
+ pkill vpp --signal 9
+ rm /dev/shm/*
+
+ echo "Cleaning topology.."
+ ip netns exec intervppns ifconfig vppbr down
+ ip netns exec intervppns brctl delbr vppbr
+ ip link del dev veth_vpp1 &> /dev/null
+ ip link del dev veth_vpp2 &> /dev/null
+ ip link del dev veth_intervpp1 &> /dev/null
+ ip link del dev veth_intervpp2 &> /dev/null
+ ip link del dev veth_odl1 &> /dev/null
+ ip link del dev veth_odl2 &> /dev/null
+ ip netns del vppns1 &> /dev/null
+ ip netns del vppns2 &> /dev/null
+ ip netns del intervppns &> /dev/null
+}
+
+function basic_two_odls_setup
+{
+
+ # create vpp to clients and inter-vpp namespaces
+ ip netns add vppns1
+ ip netns add vppns2
+ ip netns add intervppns
+
+ # create vpp and odl interfaces and set them in intervppns
+ ip link add veth_intervpp1 type veth peer name intervpp1
+ ip link add veth_intervpp2 type veth peer name intervpp2
+ ip link add veth_odl1 type veth peer name odl1
+ ip link add veth_odl2 type veth peer name odl2
+ ip link set dev intervpp1 up
+ ip link set dev intervpp2 up
+ ip link set dev odl1 up
+ ip link set dev odl2 up
+ ip link set dev veth_intervpp1 up netns intervppns
+ ip link set dev veth_intervpp2 up netns intervppns
+ ip link set dev veth_odl1 up netns intervppns
+ ip link set dev veth_odl2 up netns intervppns
+
+ # create bridge in intervppns and add vpp and odl interfaces
+ ip netns exec intervppns brctl addbr vppbr
+ ip netns exec intervppns brctl addif vppbr veth_intervpp1
+ ip netns exec intervppns brctl addif vppbr veth_intervpp2
+ ip netns exec intervppns brctl addif vppbr veth_odl1
+ ip netns exec intervppns brctl addif vppbr veth_odl2
+ ip netns exec intervppns ifconfig vppbr up
+
+ # create and configure 1st veth client to vpp pair
+ ip link add veth_vpp1 type veth peer name vpp1
+ ip link set dev vpp1 up
+ ip link set dev veth_vpp1 up netns vppns1
+
+ # create and configure 2nd veth client to vpp pair
+ ip link add veth_vpp2 type veth peer name vpp2
+ ip link set dev vpp2 up
+ ip link set dev veth_vpp2 up netns vppns2
+
+ ip netns exec vppns1 \
+ bash -c "
+ ip link set dev lo up
+ ip addr add 6.0.1.2/24 dev veth_vpp1
+ ip route add 6.0.2.0/24 via 6.0.1.1
+ "
+
+ ip netns exec vppns2 \
+ bash -c "
+ ip link set dev lo up
+ ip addr add 6.0.2.2/24 dev veth_vpp2
+ ip route add 6.0.1.0/24 via 6.0.2.1
+ "
+
+ # set odl iface ip and disable checksum offloading
+ ip addr add 6.0.3.100/24 dev odl1
+ ethtool --offload odl1 rx off tx off
+
+ #ip addr add 6.0.3.100/24 dev odl2
+ #ethtool --offload odl2 rx off tx off
+
+ # start vpp1 and vpp2 in separate chroot
+ ${VPP_LITE_BIN} \
+ unix { log /tmp/vpp1.log cli-listen \
+ localhost:5002 full-coredump \
+ exec ${VPP_LITE_CONF}/vpp1.config } \
+ api-trace { on } api-segment {prefix xtr1}
+
+ ${VPP_LITE_BIN} \
+ unix { log /tmp/vpp2.log cli-listen \
+ localhost:5003 full-coredump \
+ exec ${VPP_LITE_CONF}/vpp2.config } \
+ api-trace { on } api-segment {prefix xtr2}
+}
Code Review / one.git / commitdiff