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|
#!/bin/sh
#
#
# 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.
#
# Assignment of default values done by rvi_install.sh
echo ${RVI_BINDIR:="__RVI_BINDIR__"} > /dev/null
echo ${RVI_LOGDIR:="__RVI_LOGDIR__"} > /dev/null
echo ${ERL:=erl} > /dev/null
usage() {
echo "Usage: $0 [-c config_file] start|stop|console|attach|ping"
echo
echo " -c config_file Configuration file to launch rvi node with."
echo " Mandatory for start and console. Ignored for"
echo " all other commands."
echo
echo " start Start an rvi node with the given configuration file."
echo
echo " stop Stop an rvi node previously started with 'start'."
echo
echo " console Start an rvi in foreground mode."
echo
echo " attach Attach to an rvi node previously started with 'start'."
echo
echo "Environennt variables. Default value in paranthesis::"
echo "\$RVI_BINDIR ($RVI_BINDIR) Location of binary files."
echo "\$RVI_LOGDIR ($RVI_LOGDIR) Location of log files."
exit 1
}
CONFIG_FILE=""
SNAME="__RVI_NAME__"
COOKIE=rvi_cookie
while getopts "c:" o; do
case "${o}" in
c)
CONFIG_FILE=${OPTARG}
;;
*)
usage
;;
esac
done
shift $((${OPTIND}-1))
CMD=$1
if [ "${CMD}" != "start" -a "${CMD}" != "stop" -a "${CMD}" != "console" -a "${CMD}" != "ping" ]
then
usage
fi
RUNDIR=${RVI_RUNDIR:-"/tmp/rvi_${$}"}
export ERL_LIBS=${RVI_BINDIR}:${RVI_BINDIR}/deps:${RVI_BINDIR}/components
#
# See if we need to process a config file
#
if [ ${CMD} = "start" -o ${CMD} = "console" ]
then
if [ -z "${CONFIG_FILE}" ]
then
echo "Missing -c <config_file> argument."
usage
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}/${CONFIG_FILE}
fi
# Check that config file can be read.
if [ ! -r "${CONFIG_FILE}" ]
then
echo "${CONFIG_FILE} cannot be opened for reading."
usage
fi
#
# Generate a config file that will end up as
# /tmp/rvi/[cfg]/sys.config
#
(
if [ -z "${RVI_RUNDIR}" ]
then
RUNDIR="/tmp/rvi_${$}"
rm -rf ${RUNDIR}
else
RUNDIR=${RVI_RUNDIR}
fi
install -d --mode=0755 ${RUNDIR}
cd ${RUNDIR}
RVI_LOGDIR="${RVI_LOGDIR}" ${RVI_BINDIR}/setup_gen rvi ${CONFIG_FILE} rvi
)
# Did we succeed with config generation?
if [ "$?" != "0" ]
then
# Nope
echo "Failed to process configuration file."
exit "$?"
fi
fi
LAUNCH="${ERL} -boot ${RUNDIR}/rvi/start -sname ${SNAME} -config ${RUNDIR}/rvi/sys -setcookie ${COOKIE}"
case "${CMD}" in
start)
install -D -d --mode 0755 ${RVI_LOGDIR}
exec run_erl -daemon ${RUNDIR}/ ${RVI_LOGDIR} "exec ${LAUNCH}"
;;
console)
exec ${LAUNCH}
;;
stop)
exec ${RVI_BINDIR}/nodetool -sname ${SNAME} -setcookie ${COOKIE} stop
;;
ping)
exec ${RBI_BINDIR}/nodetool -sname ${SNAME} -setcookie ${COOKIE} ping
;;
attach)
exec to_erl ${RUNDIR}
;;
esac
|
