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#!/bin/bash
#
# ============LICENSE_START=======================================================
# Copyright (C) 2019 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=========================================================
#
# @author Waqas Ikram (waqas.ikram@est.tech)
SCRIPT_HOME="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
SCRIPT_NAME=$(basename $0)
WAIT_FOR_SCRIPT=$SCRIPT_HOME/wait-for.sh
# Process the arguments passed to the script
usage()
{
_msg_="$@"
cat<<-EOF
Command Arguments:
-c, --container-name
Mandatory argument. container name
-n, --network-name
Mandatory argument. network name
-t, --timeout
Mandatory argument. time out value in seconds (must be number)
--help
Optional argument. Display this usage.
EOF
exit 1
}
current_timestamp()
{
date +"%Y-%m-%d %H:%M:%S"
}
# Called when script is executed with invalid arguments
invalid_arguments()
{
echo "Missing or invalid option(s):"
echo "$@"
echo "Try --help for more information"
exit 1
}
process_arguments()
{
SHORT_ARGS="c:n:t:"
LONG_ARGS="help,container-name:,network-name:,timeout:"
args=$(getopt -o $SHORT_ARGS -l $LONG_ARGS -n "$0" -- "$@" 2>&1 )
[[ $? -ne 0 ]] && invalid_arguments $( echo " $args"| head -1 )
[[ $# -eq 0 ]] && invalid_arguments "No options provided"
eval set -- "$args"
cmd_arg="$0"
while true; do
case "$1" in
-c|--container-name)
NAME=$2
shift 2 ;;
-n|--network-name)
NETWORK_NAME=$2
shift 2 ;;
-t|--timeout)
TIME_OUT=$2
shift 2 ;;
--help)
usage
exit 0
;;
--)
shift
break ;;
*)
echo BAD ARGUMENTS # perhaps error
break ;;
esac
done
if [ -z "$NAME" ]; then
echo "$SCRIPT_NAME $(current_timestamp): error: Container name must not be empty! $NAME" >&2; exit 1
fi
if [ -z "$NETWORK_NAME" ]; then
echo "$SCRIPT_NAME $(current_timestamp): error: network name must not be empty! $NETWORK_NAME" >&2; exit 1
fi
regex='^[0-9]+$'
if ! [[ $TIME_OUT =~ $regex ]] ; then
echo "$SCRIPT_NAME $(current_timestamp): error: TIME_OUT must be number $TIME_OUT" >&2; exit 1
fi
CONTAINER_NAME=$(docker ps -aqf "name=$NAME" --format "{{.Names}}")
if [ $? -ne 0 ]; then
echo "$SCRIPT_NAME $(current_timestamp) ERROR: Unable to find container using $NAME"
exit 1
fi
result=$(docker inspect --format '{{.State.Running}}' $CONTAINER_NAME)
if [ $result != "true" ] ; then
echo "$SCRIPT_NAME $(current_timestamp) ERROR: $CONTAINER_NAME container is not running"
exit 1
fi
HOST_IP=$(docker inspect --format '{{ index .NetworkSettings.Networks "'$NETWORK_NAME'" "IPAddress"}}' $CONTAINER_NAME)
if [ $? -ne 0 ] || [ -z $HOST_IP ] ; then
echo "$SCRIPT_NAME $(current_timestamp) ERROR: Unable to find HOST IP using network name: $NETWORK_NAME and container name: $CONTAINER_NAME"
exit 1
fi
PORT=$(docker port $CONTAINER_NAME | cut -c1-$(docker port $CONTAINER_NAME | grep -aob '/' | grep -oE '[0-9]+'))
if [ $? -ne 0 ] || [ -z $PORT ] ; then
echo "$SCRIPT_NAME $(current_timestamp) ERROR: Unable to find PORT using project name: $PROJECT_NAME and container name: $CONTAINER_NAME"
exit 1
fi
$WAIT_FOR_SCRIPT -t "$TIME_OUT" -h "$HOST_IP" -p "$PORT"
if [ $? -ne 0 ]; then
echo "$SCRIPT_NAME $(current_timestamp) ERROR: wait-for.sh failed ..."
exit 1
fi
echo "$SCRIPT_NAME $(current_timestamp): finished successfully"
}
# main body
process_arguments $@
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