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#!/bin/sh
#
# Copyright (C) 2014, Jaguar Land Rover
#
# Mozilla Public License, version 2.0. The full text of the
# Mozilla Public License is at https://www.mozilla.org/MPL/2.0/
#
#
# Setup a correct configuration and launch an RVI release node.
# If a UUID file has not been created, it will be done at this time.
# Init.d script to start and stop an RVI system installed
# through an RPM.
#
SELF_DIR=$(dirname $(readlink -f "$0"))
CONFIG_DIR=/etc/opt/rvi
RVI_DIR=/opt/rvi
usage() {
echo "Usage: $0 [-c config_file] start|stop|console"
echo " -c config_file Configuration file. "
echo " Not used with start and console."
echo
echo " start Start an rvi node with the given"
echo " configuration file."
echo
echo " stop Stop an rvi node previously started"
echo " with start."
echo
echo " console Start an rvi in foreground mode."
exit 1
}
while getopts "c:" o; do
case "${o}" in
c)
CONFIG_FILE=${OPTARG}
;;
*)
usage
;;
esac
done
shift $((${OPTIND}-1))
CMD=$1
if [ "$CMD" != "start" -a "$CMD" != "stop" -a "$CMD" != "console" ]
then
usage
fi
if [ "$CMD" = "stop" ]
then
${RVI_DIR}/bin/rvi stop
exit $?
fi
# Check if we need to prepend current dir
# to relative config file path
#
if [ $(echo ${CONFIG_FILE} | cut -c 1,1) != "/" ]
then
CONFIG_FILE=${PWD}/${CONFIG_FILE}
fi
if [ -z "${CONFIG_FILE}" ] ; then
echo "Missing -c flag"
usage
fi
if [ ! -f "${CONFIG_FILE}" ] ; then
echo "Config file cannot be read"
usage
fi
# Check if we have a uuid file.
if [ ! -f ${CONFIG_DIR}/device_id ]
then
echo "Creating device ID in ${CONFIG_DIR}/device_id"
cat /proc/sys/kernel/random/uuid > ${CONFIG_DIR}/device_id
fi
#
# Generate a config file that will end up as
# /tmp/rvi/sys.config
#
(
cd /tmp/
rm -rf rvi
export ERL_LIBS=${RVI_DIR}/setup:${RVI_DIR}/lib/
${RVI_DIR}/setup_gen rvi ${CONFIG_FILE} rvi
)
# Did we succeed with config generation?
if [ "$?" != "0" ]
then
# Nope
exit "$?"
fi
# Copy created config file to /etc/opt/rvi/sys.config,
# which is symlinked to by /opt/rvi/sys.config
cp /tmp/rvi/sys.config /etc/opt/rvi/sys.config
exec /opt/rvi/bin/rvi ${CMD}
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