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#!/bin/sh
# ============LICENSE_START====================================================
# Copyright (C) 2020 Nordix Foundation.
# =============================================================================
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END======================================================
time_out=120
cmd=
while getopts c:t: opt; do
case "$opt" in
c) cmd="$OPTARG" ;;
t) time_out="$OPTARG" ;;
esac
done
nargs=$(expr $OPTIND - 1)
shift $nargs
even_args=$(expr $# % 2)
if [ $# -lt 2 -o "$even_args" -ne 0 ]; then
echo "args: [-t timeout] [-c command] hostname1 port1 hostname2 port2 ..." >&2
exit 1
fi
while [ $# -ge 2 ]; do
export host=$1
export port=$2
shift
shift
echo "Waiting for $host port $port..."
timeout "$time_out" sh -c 'until nc -vz "$host" "$port"; do echo -n "."; sleep 1; done'
rc=$?
if [ $rc != 0 ]; then
echo "$host port $port cannot be reached"
exit $rc
fi
done
$cmd
exit 0
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