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authorFlorin Coras <fcoras@cisco.com>2016-11-29 17:14:06 -0800
committerFlorin Coras <fcoras@cisco.com>2016-11-29 17:25:44 -0800
commit847944046c50cabd0d457d446d2c199a71abf049 (patch)
tree33bdddd0056a909413badd69e2c9e3e9a33324f1 /vnet
parente2e95ce6550a28a6ba5870c9c550acb619883f1a (diff)
Improve test for unlocking LISP src FIB
Check that either src FIB is empty or only default is present. In some situations we may overwrite/delete default. Change-Id: I4a90804cc30ea8e3aa24e36a07f8096b8d3e46bc Signed-off-by: Florin Coras <fcoras@cisco.com>
Diffstat (limited to 'vnet')
-rw-r--r--vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c27
1 files changed, 18 insertions, 9 deletions
diff --git a/vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c b/vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
index cae2eb91363..1f2b2863695 100644
--- a/vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
+++ b/vnet/vnet/lisp-gpe/lisp_gpe_fwd_entry.c
@@ -141,6 +141,8 @@ ip_src_dst_fib_del_route (u32 src_fib_index,
u32 dst_fib_index, const ip_prefix_t * dst_prefix)
{
fib_prefix_t dst_fib_prefix, src_fib_prefix;
+ u8 have_default = 0;
+ u32 n_entries;
ASSERT (NULL != dst_prefix);
ASSERT (NULL != src_prefix);
@@ -150,19 +152,26 @@ ip_src_dst_fib_del_route (u32 src_fib_index,
fib_table_entry_delete (src_fib_index, &src_fib_prefix, FIB_SOURCE_LISP);
- /* check if only default left */
- if (1 == fib_table_get_num_entries (src_fib_index,
- src_fib_prefix.fp_proto,
- FIB_SOURCE_LISP))
+ /* check if only default left or empty */
+ fib_prefix_t default_pref = {
+ .fp_proto = dst_fib_prefix.fp_proto
+ };
+
+ if (fib_table_lookup_exact_match (src_fib_index,
+ &default_pref) != FIB_NODE_INDEX_INVALID)
+ have_default = 1;
+
+ n_entries = fib_table_get_num_entries (src_fib_index,
+ src_fib_prefix.fp_proto,
+ FIB_SOURCE_LISP);
+ if (n_entries == 0 || (have_default && n_entries == 1))
{
/*
* remove src FIB default route
*/
- fib_prefix_t prefix = {
- .fp_proto = dst_fib_prefix.fp_proto,
- };
- fib_table_entry_special_remove (src_fib_index, &prefix,
- FIB_SOURCE_LISP);
+ if (have_default)
+ fib_table_entry_special_remove (src_fib_index, &default_pref,
+ FIB_SOURCE_LISP);
/*
* there's nothing left now, unlock the source FIB and the
> 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 
#!/bin/bash
# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -x

cat /etc/hostname
cat /etc/hosts

export DEBIAN_FRONTEND=noninteractive
sudo apt-get -y update
sudo apt-get -y install libpython2.7-dev python-virtualenv

VIRL_SERVERS=("10.30.51.28" "10.30.51.29" "10.30.51.30")
VIRL_SERVER=""

VIRL_USERNAME=jenkins-in
VIRL_PKEY=priv_key
VIRL_SERVER_STATUS_FILE="status"
VIRL_SERVER_EXPECTED_STATUS="PRODUCTION"

SSH_OPTIONS="-i ${VIRL_PKEY} -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o BatchMode=yes -o LogLevel=error"

DPDK_VERSION=17.02
DPDK_DIR=dpdk-${DPDK_VERSION}
DPDK_PACKAGE=${DPDK_DIR}.tar.xz

function ssh_do() {
    echo
    echo "### "  ssh $@
    ssh ${SSH_OPTIONS} $@
}

rm -f ${VIRL_PKEY}
cat > ${VIRL_PKEY} <<EOF
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
EOF
chmod 600 ${VIRL_PKEY}

#
# Pick a random host from the array of VIRL servers, and attempt
# to reach it and verify it's status.
#
# The server must be reachable, and have a "status" file with
# the content "PRODUCTION", to be selected.
#
# If the server is not reachable, or does not have the correct
# status, remove it from the array and start again.
#
# Abort if there are no more servers left in the array.
#
while [[ ! "$VIRL_SERVER" ]]
do
    num_hosts=${#VIRL_SERVERS[@]}
    if [ $num_hosts == 0 ]
    then
        echo "No more VIRL candidate hosts available, failing."
        exit 127
    fi
    element=$[ $RANDOM % $num_hosts ]
    virl_server_candidate=${VIRL_SERVERS[$element]}
    virl_server_status=$(ssh ${SSH_OPTIONS} ${VIRL_USERNAME}@${virl_server_candidate} cat $VIRL_SERVER_STATUS_FILE 2>&1)
    echo VIRL HOST $virl_server_candidate status is \"$virl_server_status\"
    if [ "$virl_server_status" == "$VIRL_SERVER_EXPECTED_STATUS" ]
    then
        # Candidate is in good status. Select this server.
        VIRL_SERVER="$virl_server_candidate"
    else
        # Candidate is in bad status. Remove from array.
        VIRL_SERVERS=("${VIRL_SERVERS[@]:0:$element}" "${VIRL_SERVERS[@]:$[$element+1]}")
    fi
done

# Temporarily download TLDK packages from nexus.fd.io
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

if [ "${#}" -ne "0" ]; then
    arr=(${@})
    echo ${arr[0]}
else
    ## we need to download the TLDK and DPDK test files to this local host, maybe use scp or wget
    ## download DPDK source code from the fast.dpdk.org
    ## download TLDK source code from the gerrit.fd.io
    ## download some pcap file and .deb packages from the nexus.fd.io
    wget -q "fast.dpdk.org/rel/${DPDK_PACKAGE}"
    git clone https://gerrit.fd.io/r/tldk
    wget -q "https://nexus.fd.io/tldk/test_ipv4_assemble_rx.pcap" -P ./TLDK-tests/tldk_testconfig
    wget -q "https://nexus.fd.io/tldk/test_ipv4_checksum_rx.pcap" -P ./TLDK-tests/tldk_testconfig
    wget -q "https://nexus.fd.io/tldk/test_ipv4_fragment_rx.pcap" -P ./TLDK-tests/tldk_testconfig
    wget -q "https://nexus.fd.io/tldk/test_ipv6_checksum_rx.pcap" -P ./TLDK-tests/tldk_testconfig
    wget -q "https://nexus.fd.io/tldk/test_ipv6_fragment_rx.pcap" -P ./TLDK-tests/tldk_testconfig
fi

#we will pack all the TLDK depend files and copy it to the VIRL_SERVER
VIRL_DIR_LOC="/tmp"
TLDK_TAR_FILE="tldk_depends.tar.gz"

tar zcf ${TLDK_TAR_FILE} dpdk-17.02.tar.xz ./tldk/ \
    ./TLDK-tests/tldk_testconfig/ ./TLDK-tests/tldk_deplibs/

cat ${VIRL_PKEY}
# Copy the files to VIRL host
scp ${SSH_OPTIONS} ${TLDK_TAR_FILE} \
    ${VIRL_USERNAME}@${VIRL_SERVER}:${VIRL_DIR_LOC}/

result=$?
if [ "${result}" -ne "0" ]; then
    echo "Failed to copy tldk package file to virl host"
    echo ${result}
    exit ${result}
fi

# Start a simulation on VIRL server
echo "Starting simulation on VIRL server"

VIRL_TOPOLOGY=double-ring-nested.xenial
VIRL_RELEASE=csit-ubuntu-16.04.1_2016-12-19_1.6

function stop_virl_simulation {
    ssh ${SSH_OPTIONS} ${VIRL_USERNAME}@${VIRL_SERVER}\
        "stop-testcase ${VIRL_SID}"
}

# Upon script exit, cleanup the simulation execution
trap stop_virl_simulation EXIT

# use the start-testcase-TLDK for the TLDK test case
VIRL_SID=$(ssh ${SSH_OPTIONS} \
    ${VIRL_USERNAME}@${VIRL_SERVER} \
    "start-testcase-TLDK -c ${VIRL_TOPOLOGY} -r ${VIRL_RELEASE} ${VIRL_DIR_LOC}/${TLDK_TAR_FILE}")
retval=$?
if [ "${retval}" -ne "0" ]; then
    echo "VIRL simulation start failed"
    exit ${retval}
fi

if [[ ! "${VIRL_SID}" =~ session-[a-zA-Z0-9_]{6} ]]; then
    echo "No VIRL session ID reported."
    exit 127
fi

echo ${VIRL_SID}

ssh_do ${VIRL_USERNAME}@${VIRL_SERVER} cat /scratch/${VIRL_SID}/topology.yaml

# Download the topology file from virl session
scp ${SSH_OPTIONS} \
    ${VIRL_USERNAME}@${VIRL_SERVER}:/scratch/${VIRL_SID}/topology.yaml \
    topologies/enabled/topology.yaml

retval=$?
if [ "${retval}" -ne "0" ]; then
    echo "Failed to copy topology file from VIRL simulation"
    exit ${retval}
fi

# create a python virtual environment env
virtualenv --system-site-packages env
. env/bin/activate

echo pip install
pip install -r ${SCRIPT_DIR}/requirements.txt

pykwalify -s ${SCRIPT_DIR}/resources/topology_schemas/3_node_topology.sch.yaml \
          -s ${SCRIPT_DIR}/resources/topology_schemas/topology.sch.yaml \
          -d ${SCRIPT_DIR}/topologies/enabled/topology.yaml \
          -vvv

if [ "$?" -ne "0" ]; then
    echo "Topology schema validation failed."
    echo "However, the tests will start."
fi

PYTHONPATH=`pwd` pybot -L TRACE -W 150 \
    -v TOPOLOGY_PATH:${SCRIPT_DIR}/topologies/enabled/topology.yaml \
    --suite "TLDK-tests.func" \
    --include vm_envAND3_node_single_link_topo \
    --exclude PERFTEST \
    --exclude SKIP_PATCH \
    --noncritical EXPECTED_FAILING \
    TLDK-tests/