Forum: Cfengine Help
Subject: Re: Cfengine Help: cf-execd: is daemon or cron better?
Author: ro
Link to topic: https://cfengine.com/forum/read.php?3,19554,19561#msg-19561
My line in /etc/crontab looks like this:
*/5 * * * * root /usr/local/sbin/watchdog.cfengine
The script that is called via cron contains:
/bin/sh
processname="cf-execd"
if ! [ `pidof $processname` ] ; then
$processname
logger -t WATCHDOG "$processname not running, tried to restart
$processname"
fi
The init.d script is as follows:
#! /bin/sh
#####################################################################
# /etc/init.d/cfengine3 (Client)
#
# Init script for cfengine3
#
# This file is protected by cfengine. Whatever you do,
# it will be changed back to a promising state.
#####################################################################
#
### BEGIN INIT INFO
# Provides: cfengine3
# Required-Start: $local_fs $remote_fs $network $time
# Required-Stop: $local_fs $remote_fs $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: GNU configuration engine
# Description: Tool for configuring and maintaining network machines
### END INIT INFO
#
# chkconfig: 2345 60 40
# description: Starts the cfengine daemons for remote and periodic \
# execution of cfengine and for environment monitoring.
#
set -e
CFEXECD=/usr/local/sbin/cf-execd
CFSERVD=/usr/local/sbin/cf-serverd
CFENVD=/usr/local/sbin/cf-monitord
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# Has the package been 'removed' but not purged?
test -f $CFEXECD || exit 0
. /lib/lsb/init-functions
# Source the config file
DEFAULT=/etc/default/cfengine3
if [ -f $DEFAULT ]; then
. $DEFAULT
else
RUN_CF_SERVERD=1
RUN_CF_EXECD=1
RUN_CF_MONITORD=1
fi
# Return-status
RETVAL=0
if /sbin/start-stop-daemon -V >/dev/null 2>&1; then
# start-stop-daemon runs OK
SSD=1
else
# Probably not a Debian system
SSD=0
fi
ctrl_daemon () {
# Usage: ctrl_daemon []
# where is 'start' or 'stop'. 'stop' args are passed to
# start-stop-daemon.
OPERATION=$1; shift
DAEMON=$1; shift
DAEMONNAME=$(basename $DAEMON)
case $OPERATION in
"start")
set +e
if [ "$SSD" = "1" ]; then
CMD="start-stop-daemon --start --quiet --exec $DAEMON -- $@"
else
CMD="$DAEMON $@"
fi
log_progress_msg "$DAEMONNAME"
$CMD || RETVAL=1
set -e
;;
"stop")
set +e
log_progress_msg "$DAEMONNAME"
DAEMON=`basename $DAEMON`
if [ "$SSD" = "1" ]; then
start-stop-daemon -o --stop --retry 5 --quiet --name "$DAEMON"
"$@"
else
pkill `basename $DAEMON` 2>/dev/null
fi
test $? = "0" || RETVAL=1
set -e
;;
"*")
log_warning_msg "cfengine3: Invalid operation, must be 'start' or
'stop'."
;;
esac
}
case "$1" in
start)
RETVAL=0
log_daemon_msg "Starting cfengine3"
case "$RUN_CF_MONITORD $RUN_CF_EXECD $RUN_CF_SERVERD" in
*1*) ;;
*) exit 0;;
esac
if [ "$RUN_CF_MONITORD" = "1" ]; then
ctrl_daemon start "$CFENVD"
fi
if [ "$RUN_CF_EXECD" = "1" ]; then
ctrl_daemon start "$CFEXECD"
fi
if [ "$RUN_CF_SERVERD" = "1" ]; then
ctrl_daemon start "$CFSERVD"
fi
log_end_msg $RETVAL
;;
stop)
RETVAL=0
log_daemon_msg "Stopping cfengine3"
if [ "$RUN_CF_MONITORD" = "1" ]; then
ctrl_daemon stop "$CFENVD"
fi
if [ "$RUN_CF_EXECD" = "1" ]; then
ctrl_daemon stop "$CFEXECD"
fi
if [ "$RUN_CF_SERVERD" = "1" ]; then
ctrl_daemon stop "$CFSERVD"
fi
log_end_msg $RETVAL
;;
reload)
;;
restart|force-reload)
$0 stop
sleep 1
$0 start
;;
*)
N=/etc/init.d/cfengine3
echo "Usage: $N {start|stop|restart|force-reload}" >&2
exit 1
;;
esac
exit 0
And finally, here's the /etc/default/cfengine3:
#####################################################################
# /etc/default/cfengine3 (Client)
#
# Cfengine3 default configuration
#
# This file is protected by cfengine. Whatever you do,
# it will be changed back to a promising state.
#####################################################################
# Set variable to 1 to start the daemon; 0 otherwise.
RUN_CF_SERVERD=0
RUN_CF_EXECD=1
RUN_CF_MONITORD=0
I got this somewhere off the internet, and I had zero problems so far.
Cheers,
Robert
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