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Clarify config parameters/environment variables

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As mentioned in the comments, ideally this script can be used as
the basis for an ONOS service in a variety of environments. Out of
the box it should work on Linux with either init.d or with systemd's
init.d compatibility. It can also be called by an upstart configuration
or a systemd configuration.

In the future we should probably remove start-stop-daemon, since that
seems to be a linux-ism. Then we could use this script on BSD, OS X,
etc..

Change-Id: I9c701c95991448fa7ddf0d84d379a4cac56cfc5f
This commit is contained in:
Bob Lantz 2016-02-25 02:54:33 -08:00 committed by Gerrit Code Review
parent 43a0b2fe7c
commit 3ec585d7dd
1 changed files with 22 additions and 19 deletions
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41
tools/package/init/onos.initd
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@ -1,28 +1,31 @@
#! /bin/bash
# -----------------------------------------------------------------------------
# init.d script to run ONOS.
# init.d script to run ONOS
#
# This provides the core for an ONOS service in a variety of environments,
# including init.d, upstart, and systemd. It can also be invoked directly.
# If it is invoked by a boot system, environment variables will usually be
# empty and the default values will be used.
# -----------------------------------------------------------------------------
start () {
# TODO check if ONOS is already running first
[ -f /opt/onos/options ] && . /opt/onos/options
ONOS_USER=${ONOS_USER:-root}
ONOS_HOME=${ONOS_HOME:-/opt/onos}
[ -f $ONOS_HOME/options ] && . $ONOS_HOME/options
ONOS_USER=${ONOS_USER:-root}
ONOS_GROUP=${ONOS_GROUP:-$ONOS_USER}
ONOS_OPTS=${ONOS_OPTS:-server}
ONOS_PID=${ONOS_PID:-/var/run/onos.pid}
# Ensure that the environment is initialized
[ -d /opt/onos ] && mkdir /opt/onos/var 2>/dev/null && chown $ONOS_USER.$ONOS_USER /opt/onos/var
[ -d /opt/onos ] && mkdir /opt/onos/config 2>/dev/null && chown $ONOS_USER.$ONOS_USER /opt/onos/config
[ -d /opt/onos ] && [ ! -h /opt/onos/log ] \
&& ln -s /opt/onos/karaf/data/log /opt/onos/log || :
[ -f /opt/onos/options ] && . /opt/onos/options
start-stop-daemon --signal INT --start --chuid ${ONOS_USER:-root} \
--exec /opt/onos/bin/onos-service -- ${ONOS_OPTS:-server} \
>/opt/onos/var/stdout.log 2>/opt/onos/var/stderr.log
start () {
mkdir -p $ONOS_HOME/var 2>/dev/null && chown $ONOS_USER.$ONOS_GROUP $ONOS_HOME/var
mkdir -p $ONOS_HOME/config 2>/dev/null && chown $ONOS_USER.$ONOS_GROUP $ONOS_HOME/config
[ ! -h $ONOS_HOME/log ] && ln -s $ONOS_HOME/karaf/data/log $ONOS_HOME/log || :
start-stop-daemon --signal INT --start --chuid $ONOS_USER \
--exec $ONOS_HOME/bin/onos-service --pidfile $ONOS_PID
-- $ONOS_OPTS >$ONOS_HOME/var/stdout.log 2>$ONOS_HOME/var/stderr.log
}
stop () {
/opt/onos/karaf/bin/stop
$ONOS_HOME/karaf/bin/stop
}
restart () {
@ -31,13 +34,13 @@ restart () {
}
status () {
/opt/onos/karaf/bin/status
$ONOS_HOME/karaf/bin/status
}
case $1 in
start)
start
;;
;;
stop | force-stop)
stop
;;