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|
#!/bin/sh
#
# /etc/init.d/smokeping
#
### BEGIN INIT INFO
# Provides: smokeping
# Required-Start: $syslog $network
# Should-Start: sshd apache
# Required-Stop: $syslog $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Start or stop the smokeping latency logging system daemon
# Description: SmokePing is a latency logging and graphing system
# that consists of a daemon process which organizes
# the latency measurements and a CGI which presents
# the graphs. This script is used to start or stop
# the daemon.
### END INIT INFO
#
set -e
# Source LSB init functions
. /lib/lsb/init-functions
DAEMON=/usr/sbin/smokeping
NAME=smokeping
DESC="latency logger daemon"
CONFIG=/etc/smokeping/config
PIDFILE=/var/run/smokeping/$NAME.pid
DAEMON_USER=smokeping
DEFAULTS=/etc/default/smokeping
MODE=master
DAEMON_ARGS=""
# LC_ALL prevents resetting LC_NUMERIC which in turn interferes
# with Smokeping internal regexps matching floating point numbers
unset LC_ALL
# Check whether the binary is still present:
test -f "$DAEMON" || exit 0
# source defaults for master vs. slave mode
if [ -f "$DEFAULTS" ]
then
. "$DEFAULTS"
fi
check_slave() {
if [ "$MODE" != "slave" ]
then
return
fi
if [ -z "$SHARED_SECRET" ]
then
log_progress_msg "(missing \$SHARED_SECRET setting)"
log_end_msg 6 # program is not configured
exit 6
fi
if [ ! -r "$SHARED_SECRET" ]
then
log_progress_msg "(invalid \$SHARED_SECRET setting)"
log_end_msg 2 # invalid or excess argument(s)
exit 2
fi
if [ -z "$MASTER_URL" ]
then
log_progress_msg "(missing \$MASTER_URL setting)"
log_end_msg 6 # program is not configured
exit 6
fi
DAEMON_ARGS="$DAEMON_ARGS --master-url $MASTER_URL --shared-secret $SHARED_SECRET"
if [ -n "$SLAVE_NAME" ]
then
DAEMON_ARGS="$DAEMON_ARGS --slave-name $SLAVE_NAME"
fi
DAEMON_ARGS="$DAEMON_ARGS --cache-dir /var/lib/smokeping"
DAEMON_ARGS="$DAEMON_ARGS --pid-dir /var/run/smokeping"
}
check_config () {
# Check whether the configuration file is available
if [ ! -r "$CONFIG" ] && [ "$MODE" = "master" ]
then
log_progress_msg "($CONFIG does not exist)"
log_end_msg 6 # program is not configured
exit 6
fi
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" $NAME
check_config
check_slave
set +e
pidofproc "$DAEMON" > /dev/null
STATUS=$?
set -e
if [ "$STATUS" = 0 ]
then
log_progress_msg "already running"
log_end_msg $STATUS
exit $STATUS
fi
if [ ! -d /var/run/smokeping ]; then
mkdir /var/run/smokeping
chown ${DAEMON_USER}.root /var/run/smokeping
chmod 0755 /var/run/smokeping
fi
set +e
start-stop-daemon --start --quiet --exec $DAEMON --oknodo \
--chuid $DAEMON_USER --pidfile $PIDFILE \
-- $DAEMON_ARGS \
| logger -p daemon.notice -t $NAME
STATUS=$?
set -e
log_end_msg $STATUS
exit $STATUS
;;
stop)
log_daemon_msg "Shutting down $DESC" $NAME
set +e
start-stop-daemon --oknodo --stop --retry 3 --quiet --pidfile /var/run/smokeping/$NAME.pid --signal 15
STATUS=$?
set -e
if [ "$STATUS" = 0 ]
then
rm -f $PIDFILE
pkill -u www-data speedy_backend || true
fi
log_end_msg $STATUS
exit $STATUS
;;
restart)
# Restart service (if running) or start service
$0 stop
$0 start
;;
reload|force-reload)
log_action_begin_msg "Reloading $DESC configuration"
check_config
set +e
$DAEMON --reload | logger -p daemon.notice -t smokeping
STATUS=$?
set -e
if [ "$STATUS" = 0 ]
then
log_action_end_msg 0 "If the CGI has problems reloading, see README.Debian."
else
log_action_end_msg $STATUS
fi
exit $STATUS
;;
status)
log_daemon_msg "Checking $DESC status" $NAME
# Use pidofproc to check the status of the service,
# pidofproc returns the exit status code of 0 when it the process is
# running.
# LSB defined exit status codes for status:
# 0 program is running or service is OK
# 1 program is dead and /var/run pid file exists
# 2 program is dead and /var/lock lock file exists
# 3 program is not running
# 4 program or service status is unknown
# 5-199 reserved (5-99 LSB, 100-149 distribution, 150-199 applications)
set +e
pidofproc "$DAEMON" > /dev/null
STATUS=$?
log_progress_msg "(status $STATUS)"
log_end_msg 0
set -e
exit $STATUS
;;
*)
echo "Usage: $0 {start|stop|status|restart|force-reload|reload}"
exit 1
;;
esac
|
