Add LISP RTR tests

This change adds tests for IPv4overIPv4 and IPv4overIPv6 scenarios.

Change-Id: I68e0e94538914cf0b03625ee1be3b92684184c78
Signed-off-by: Filip Tehlar <ftehlar@cisco.com>

7 files changed, 209 insertions, 17 deletions

diff --git a/tests/data_plane/vpp_lite_topo/config.sh b/tests/data_plane/vpp_lite_topo/config.sh
new file mode 100644
index 0000000..790d31e
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/config.sh
@@ -0,0 +1,14 @@
+ODL_USER="admin"
+ODL_PASSWD="admin"
+ODL_IP="127.0.0.1"
+ODL_PORT="8181"
+
+# path to vpp executable
+VPP_LITE_BIN=/home/vagrant/vpp/build-root/install-vpp_lite_debug-native/vpp/bin/vpp
+
+if [ ! -f "${VPP_LITE_BIN}" ] ; then
+  echo "Error: VPP binary not found. You can set VPP_LITE_BIN in config.sh"
+  echo "Current value:"
+  echo "VPP_LITE_BIN=${VPP_LITE_BIN}"
+  exit 1
+fi
diff --git a/tests/data_plane/vpp_lite_topo/lisp_test.sh b/tests/data_plane/vpp_lite_topo/lisp_test.sh
index 2f09abb..33eee54 100755
--- a/tests/data_plane/vpp_lite_topo/lisp_test.sh
+++ b/tests/data_plane/vpp_lite_topo/lisp_test.sh
@@ -7,16 +7,13 @@ if [ "$1" == "-h" ] || [ "$1" == "-help" ] ; then
   echo "        ip4_ip6 - test ip4 and ip6 topology"
   echo "        4o6 - test ip4 over ip6"
   echo "        6o4 - test ip6 over ip4"
-  echo "        remote - test statick mapping, whit out ODL"
-  echo "        remote6 - test statick mapping for IPv6, whit out ODL"
+  echo "        remote - test static mapping, without ODL"
+  echo "        remote6 - test static mapping for IPv6, without ODL"
   exit 0
 fi
 
 set -x
 
-# path to vpp executable and configurations folder
-# VPP_LITE_BIN=/vpp/build-root/install-vpp_lite_debug-native/vpp/bin/vpp
-VPP_LITE_BIN=/home/csit/lisp_vpp/build-root/install-vpp_lite_debug-native/vpp/bin/vpp
 VPP_LITE_CONF=`pwd`"/../configs/vpp_lite_config/"
 VPP1_CONF="vpp1.conf"
 VPP2_CONF="vpp2.conf"
@@ -34,16 +31,8 @@ ODL_REPLACE_CONFIG2_4o6="replace_ipv4o6_odl2.txt"
 ODL_REPLACE_CONFIG2_6="replace_ipv6_odl2.txt"
 ODL_REPLACE_CONFIG2_6o4="replace_ipv6o4_odl2.txt"
 
-ODL_USER="admin"
-ODL_PASSWD="admin"
-ODL_IP="127.0.0.1"
-ODL_PORT="8181"
-
-function post_curl {
-  curl -X POST http://${ODL_IP}:${ODL_PORT}/restconf/operations/odl-mappingservice:${1} \
-     -H "Content-Type: application/json" --data-binary "@${ODL_CONFIG_DIR}${2}" \
-     -u ${ODL_USER}:${ODL_PASSWD}
-}
+source config.sh
+source odl_utils.sh
 
 # make sure there are no vpp instances running
 sudo pkill vpp
@@ -61,8 +50,7 @@ sudo ip netns del vppns2 &> /dev/null
 sudo ip netns del intervppns &> /dev/null
 
 if [ "$1" != "remote" ] && [ "$1" != "remote6" ]  ; then
-  curl -X DELETE http://${ODL_IP}:${ODL_PORT}/restconf/config/odl-mappingservice:mapping-database/ \
-       -u ${ODL_USER}:${ODL_PASSWD}
+  odl_clear_all
 fi
 
 if [ "$1" == "clean" ] ; then
diff --git a/tests/data_plane/vpp_lite_topo/odl_utils.sh b/tests/data_plane/vpp_lite_topo/odl_utils.sh
new file mode 100644
index 0000000..f3edc28
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/odl_utils.sh
@@ -0,0 +1,16 @@
+
+function post_curl {
+  echo "Sending mapping from ${2} to ODL; operation: ${1}"
+  until [ "`curl -X POST "http://${ODL_IP}:${ODL_PORT}/restconf/operations/odl-mappingservice:${1}" \
+     -H "Content-Type: application/json" --data-binary "@${ODL_CONFIG_DIR}${2}" \
+     -u ${ODL_USER}:${ODL_PASSWD} -s -o /dev/null -w "%{http_code}"`" == "200" ]
+  do
+    echo "Updating failed; trying again.."
+  done
+}
+
+function odl_clear_all {
+  echo "Deleting all ODL mappings.."
+  curl -X DELETE "http://${ODL_IP}:${ODL_PORT}/restconf/config/odl-mappingservice:mapping-database" \
+       -u ${ODL_USER}:${ODL_PASSWD}
+}
diff --git a/tests/data_plane/vpp_lite_topo/test_driver/rtr_single_iface.sh b/tests/data_plane/vpp_lite_topo/test_driver/rtr_single_iface.sh
new file mode 100644
index 0000000..6331ab5
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/test_driver/rtr_single_iface.sh
@@ -0,0 +1,38 @@
+
+source config.sh
+source odl_utils.sh
+source topologies/rtr_single_iface.sh
+
+# set odl config json file names; they are common among all rtr tests
+ODL_CONFIG_FILE1="elp1.json"
+ODL_CONFIG_FILE2="elp2.json"
+
+if [ "$1" == "clean" ] ; then
+  rtr_single_iface_clean
+  exit 0
+fi
+
+if [[ $(id -u) != 0 ]]; then
+  echo "Error: run this as a root."
+  exit 1
+fi
+
+function test_rtr_single_iface {
+  rtr_single_iface_setup
+
+  test_result=1
+
+  ip netns exec vpp-ns1 ping -w 15 -c 1 "${1}"
+  rc=$?
+
+  rtr_single_iface_clean
+
+  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
+}
diff --git a/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o4.sh b/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o4.sh
new file mode 100755
index 0000000..f2e1a60
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o4.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+#
+# Test for VPP LISP RTR functionality (4over4).
+#
+# IMPORTANT: This test needs to have ODL running with following config
+# line in etc/custom.properties:
+#   lisp.elpPolicy = replace
+#
+# This test configures a topology of two XTRs and RTR. An ICMP request is
+# sent from host1 behind first TR to the host2 behind the second TR.
+# Both host and underlaying networks are IPv4.
+#
+
+VPP_LITE_CONF=`pwd`"/../configs/vpp_lite_config/rtr_single_iface/4o4"
+ODL_CONFIG_DIR=`pwd`"/../configs/odl/rtr_single_iface/4o4/"
+
+source test_driver/rtr_single_iface.sh
+
+test_rtr_single_iface "6.0.4.4"
diff --git a/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o6.sh b/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o6.sh
new file mode 100755
index 0000000..59c75d1
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/test_rtr_single_iface_4o6.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+#
+# Test for VPP LISP RTR functionality (4over6).
+#
+# IMPORTANT: This test needs to have ODL running with following config
+# line in etc/custom.properties:
+#   lisp.elpPolicy = replace
+#
+# This test configures a topology of two XTRs and RTR. An ICMP request is
+# sent from host1 behind first TR to the host2 behind the second TR.
+# Hosts resides in IPv4 network, underlying network is IPv6
+#
+
+VPP_LITE_CONF=`pwd`"/../configs/vpp_lite_config/rtr_single_iface/4o6/"
+ODL_CONFIG_DIR=`pwd`"/../configs/odl/rtr_single_iface/4o6/"
+
+source test_driver/rtr_single_iface.sh
+
+test_rtr_single_iface "6.0.4.4"
diff --git a/tests/data_plane/vpp_lite_topo/topologies/rtr_single_iface.sh b/tests/data_plane/vpp_lite_topo/topologies/rtr_single_iface.sh
new file mode 100644
index 0000000..70f1eeb
--- /dev/null
+++ b/tests/data_plane/vpp_lite_topo/topologies/rtr_single_iface.sh
@@ -0,0 +1,96 @@
+#!/usr/bin/env bash
+
+function rtr_single_iface_clean {
+  echo "Clearing all VPP instances.."
+  pkill vpp
+
+  echo "Cleaning RTR topology.."
+  ip netns exec xtr-rtr-ns ifconfig vppbr1 down
+  ip netns exec xtr-rtr-ns brctl delbr vppbr1
+  ip link del dev vpp1 &> /dev/null
+  ip link del dev vpp2 &> /dev/null
+  ip link del dev xtr_rtr1 &> /dev/null
+  ip link del dev xtr_rtr2 &> /dev/null
+  ip link del dev xtr_rtr3 &> /dev/null
+  ip link del dev odl &> /dev/null
+
+  ip netns del vpp-ns1 &> /dev/null
+  ip netns del vpp-ns2 &> /dev/null
+  ip netns del xtr-rtr-ns &> /dev/null
+
+  odl_clear_all
+}
+
+function rtr_single_iface_setup {
+  ip netns add vpp-ns1
+  ip netns add vpp-ns2
+  ip netns add xtr-rtr-ns
+
+  ip link add veth_xtr_rtr1 type veth peer name xtr_rtr1
+  ip link add veth_xtr_rtr2 type veth peer name xtr_rtr2
+  ip link add veth_xtr_rtr3 type veth peer name xtr_rtr3
+  ip link add veth_odl type veth peer name odl
+  ip link set dev xtr_rtr1 up
+  ip link set dev xtr_rtr2 up
+  ip link set dev xtr_rtr3 up
+  ip link set dev odl up
+
+  ip link set dev veth_xtr_rtr1 up netns xtr-rtr-ns
+  ip link set dev veth_xtr_rtr2 up netns xtr-rtr-ns
+  ip link set dev veth_xtr_rtr3 up netns xtr-rtr-ns
+  ip link set dev veth_odl up netns xtr-rtr-ns
+
+  ip netns exec xtr-rtr-ns brctl addbr vppbr1
+  ip netns exec xtr-rtr-ns brctl addif vppbr1 veth_xtr_rtr1
+  ip netns exec xtr-rtr-ns brctl addif vppbr1 veth_xtr_rtr2
+  ip netns exec xtr-rtr-ns brctl addif vppbr1 veth_xtr_rtr3
+  ip netns exec xtr-rtr-ns brctl addif vppbr1 veth_odl
+  ip netns exec xtr-rtr-ns ifconfig vppbr1 up
+
+  ip link add veth_vpp1 type veth peer name vpp1
+  ip link set dev vpp1 up
+  ip link set dev veth_vpp1 up netns vpp-ns1
+
+  ip netns exec vpp-ns1 \
+    bash -c "
+      ip link set dev lo up
+      ip addr add 6.0.2.2/24 dev veth_vpp1
+      ip route add 6.0.4.0/24 via 6.0.2.1
+  "
+
+  ip link add veth_vpp2 type veth peer name vpp2
+  ip link set dev vpp2 up
+  ip link set dev veth_vpp2 up netns vpp-ns2
+
+  ip netns exec vpp-ns2 \
+    bash -c "
+      ip link set dev lo up
+      ip addr add 6.0.4.4/24 dev veth_vpp2
+      ip route add 6.0.2.0/24 via 6.0.4.1
+  "
+
+  ip addr add 6.0.3.100/24 dev odl
+  ip addr add 6:0:3::100/64 dev odl
+  ethtool --offload  odl rx off tx off
+
+  ${VPP_LITE_BIN} \
+    unix { log /tmp/vpp1.log cli-listen \
+           localhost:5002 full-coredump \
+           exec ${VPP_LITE_CONF}/vpp1.config } \
+    api-trace { on } chroot {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 } chroot {prefix xtr2}
+
+   ${VPP_LITE_BIN} \
+    unix { log /tmp/rtr.log cli-listen \
+           localhost:5004 full-coredump \
+           exec ${VPP_LITE_CONF}/rtr.config } \
+    api-trace { on } chroot {prefix rtr}
+
+  post_curl "add-mapping" ${ODL_CONFIG_FILE1}
+  post_curl "add-mapping" ${ODL_CONFIG_FILE2}
+}