diff options
-rwxr-xr-x | bootstrap-hw-tb2.sh | 54 | ||||
-rw-r--r-- | resources/tools/topo_reservation.py | 65 |
2 files changed, 117 insertions, 2 deletions
diff --git a/bootstrap-hw-tb2.sh b/bootstrap-hw-tb2.sh index bb5afcaac3..1b889b3039 100755 --- a/bootstrap-hw-tb2.sh +++ b/bootstrap-hw-tb2.sh @@ -1,7 +1,26 @@ #!/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 +# space separated list of available testbeds, described by topology files +TOPOLOGIES="topologies/available/lf_testbed2-710-520.yaml" + +CUR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" +WORKING_TOPOLOGY="" +export PYTHONPATH=${CUR_DIR} + sudo apt-get -y update sudo apt-get -y install libpython2.7-dev python-virtualenv @@ -11,6 +30,37 @@ virtualenv env echo pip install pip install -r requirements.txt -PYTHONPATH=`pwd` pybot -L TRACE \ - -v TOPOLOGY_PATH:topologies/available/lf_testbed2-710-520.yaml \ +#we iterate over available topologies and wait until we reserve topology +while :; do + for TOPOLOGY in ${TOPOLOGIES}; + do + python ${CUR_DIR}/resources/tools/topo_reservation.py -t ${TOPOLOGY} + if [ $? -eq 0 ]; then + WORKING_TOPOLOGY=${TOPOLOGY} + echo "Reserved: ${WORKING_TOPOLOGY}" + break + fi + done + + if [ ! -z "${WORKING_TOPOLOGY}" ]; then + #exit the infinite while loop if we made a reservation + break + fi + + #wait 10 - 30 sec. before next try + SLEEP_TIME=$[ ( $RANDOM % 20 ) + 10 ]s + echo "Sleeping ${SLEEP_TIME}" + sleep ${SLEEP_TIME} +done + +function cancel_reservation { + python ${CUR_DIR}/resources/tools/topo_reservation.py -c -t $1 +} + +#on script exit we cancel the reservation +trap "cancel_reservation ${WORKING_TOPOLOGY}" EXIT + +#run performance test suite +pybot -L TRACE \ + -v TOPOLOGY_PATH:${WORKING_TOPOLOGY} \ -s performance tests/ diff --git a/resources/tools/topo_reservation.py b/resources/tools/topo_reservation.py new file mode 100644 index 0000000000..4b5ed2459c --- /dev/null +++ b/resources/tools/topo_reservation.py @@ -0,0 +1,65 @@ +#!/usr/bin/env python + +# 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. + +"""This script provides simple reservation mechanism to avoid + simultaneous use of nodes listed in topology file. + As source of truth is used DUT1 node from the topology file.""" + +import sys +import argparse +from resources.libraries.python.ssh import SSH +from yaml import load + +RESERVATION_DIR = "/tmp/reservation_dir" + +def main(): + parser = argparse.ArgumentParser() + parser.add_argument("-t", "--topo", required=True, + help="Topology file") + parser.add_argument("-c", "--cancel", help="Cancel reservation", + action="store_true") + args = parser.parse_args() + topology_file = args.topo + cancel_reservation = args.cancel + + work_file = open(topology_file) + topology = load(work_file.read())['nodes'] + + #we are using DUT1 node because we expect DUT1 to be a linux host + #we don't use TG because we don't expect TG to be linux only host + try: + tg_node = topology["DUT1"] + except KeyError: + print "Topology file does not contain 'DUT1' node" + return 1 + + ssh = SSH() + ssh.connect(tg_node) + + #For system reservation we use mkdir it is an atomic operation and we can + #store additional data (time, client_ID, ..) within reservation directory + if cancel_reservation: + ret, _, err = ssh.exec_command("rm -r {}".format(RESERVATION_DIR)) + else: + ret, _, err = ssh.exec_command("mkdir {}".format(RESERVATION_DIR)) + + if ret != 0: + print("{} unsuccessful:\n{}". + format(("Cancellation " if cancel_reservation else "Reservation"), + err)) + return ret + +if __name__ == "__main__": + sys.exit(main()) |