File rcicinga of Package icinga
#! /bin/sh
# Copyright (c) 1995-2001 SuSE GmbH Nuernberg, Germany.
# 2002 SuSE Linux AG Nuernberg, Germany.
# 2007 SuSE Linux GmbH Nuernberg, Germany.
# 2010 SUSE LINUX Products GmbH, Nuernberg, Germany
#
# Author: Wolfgang Rosenauer, Lars Vogdt
#
#
# /etc/init.d/icinga
#
# and symbolic its link
#
# /usr/sbin/rcicinga
#
# System startup script for icinga
#
### BEGIN INIT INFO
# Provides: icinga
# Required-Start: $local_fs $remote_fs $syslog $network
# Required-Stop: $local_fs $remote_fs $syslog $network
# Should-Start: $time sendmail httpd2 $named cron ido2db
# Should-Stop: sendmail ido2db
# Default-Start: 3 5
# Default-Stop: 0 1 2 6
# Short-Description: Network monitor Icinga
# Description: Starts and stops the Icinga monitor
# used to provide network services status for hosts,
# services and networks.
### END INIT INFO
. /etc/rc.status
ICINGA_BIN="/usr/sbin/icinga"
ICINGA_CFG="/etc/icinga/icinga.cfg"
ICINGA_SYSCONFIG="/etc/sysconfig/icinga"
ICINGA_CFG_ERR_LOG="/var/log/icinga/config.err"
# Read config and log errors in logfile
function config_check () {
case "$1" in
verbose)
$ICINGA_BIN -v "$ICINGA_CFG" >"$ICINGA_CFG_ERR_LOG" 2>&1
if [ $? -eq 0 ]; then
return 0
else
return 1
fi
;;
*)
$ICINGA_BIN -v "$ICINGA_CFG" >/dev/null 2>&1
if [ $? -eq 0 ]; then
return 0
else
$ICINGA_BIN -v "$ICINGA_CFG" >"$ICINGA_CFG_ERR_LOG" 2>&1
return 1
fi
;;
esac
}
# grab a config option
function get_var() {
if [ -n "$2" ]; then
set -- `grep ^$1 $2 | sed 's@=@ @' | tr -d '[:cntrl:]'`
else
set -- `grep ^$1 "$ICINGA_CFG" | sed 's@=@ @' | tr -d '[:cntrl:]'`
fi
shift # remove first ARG => search-string
echo $*
}
# check some default files and directories
function check_files() {
# remove some perhaps left over files
for file in "$command_file" "$lock_file" "$status_file" "$temp_file" "/var/lock/subsys/icinga"; do
test -f "$file" && rm -f "$file"
done
# set default access rights for files and directories
for file in "$log_file" "$state_retention_file" "$status_file"; do
if [ ! -e "$file" ]; then
touch "$file"
fi
chown $icinga_user:$icinga_cmdgrp "$file"
done
for dir in "$check_result_path" ; do
if [ ! -d "$dir" ]; then
mkdir -p "$dir"
fi
chown $icinga_user:$icinga_cmdgrp "$dir"
done
chmod 660 "$resource_file"
chown $icinga_user:$icinga_cmdgrp "$resource_file"
}
function check_lock_file() {
PIDDIR=$(dirname $lock_file)
case "$PIDDIR" in
/var/run)
if [ x"$icinga_user" != x"root" ]; then
DATESTRING=`date +"%Y%m%d"`
mv -f "$ICINGA_CFG" "$ICINGA_CFG-$DATESTRING"
sed -e "s|^lock_file.*|pid_file=$lock_file|g" "$ICINGA_CFG-$DATESTRING" > "$ICINGA_CFG"
/bin/logger -t rcicinga "Configured $lock_file in $ICINGA_CFG moved to $lock_file. Backup is $ICINGA_CFG-$DATESTRING"
test -f "$lock_file" && rm -f "$lock_file"
install -d -m755 -o$icinga_user -g$icinga_group $(dirname "$lock_file")
else
test -d "$PIDDIR" || mkdir -p "$PIDDIR"
fi
;;
*)
install -d -m755 -o$icinga_user -g$icinga_group $(dirname "$lock_file")
esac
}
# Check for missing binaries (stale symlinks should not happen)
# Note: Special treatment of stop for LSB conformance
test -x "$ICINGA_BIN" || { echo "$ICINGA_BIN not installed or not executable.";
if [ "$1" = "stop" ]; then exit 0;
else exit 5; fi; }
# Check for existence of needed config file
test -r "$ICINGA_CFG" || { echo "$ICINGA_CFG not existing or readable.";
if [ "$1" = "stop" ]; then exit 0;
else exit 6; fi; }
# Check for existence of sysconfig file and read it
test -r "$ICINGA_SYSCONFIG" || { echo "$ICINGA_SYSCONFIG not existing or readable.";
if [ "$1" = "stop" ]; then exit 0;
else exit 6; fi; }
. "$ICINGA_SYSCONFIG"
# set values for sysconfig vars
if [ -n "$ICINGA_NICELEVEL" ]; then
NICELEVEL="-n $ICINGA_NICELEVEL"
else
NICELEVEL="-n 0"
fi
if [ -z "$ICINGA_TIMEOUT" ]; then
ICINGA_TIMEOUT=10
fi
#
# get variables from config file
#
icinga_user="$(get_var icinga_user)"
icinga_group="$(get_var icinga_group)"
lock_file="$(get_var lock_file)"
status_file="$(get_var status_file)"
log_file="$(get_var log_file)"
temp_file="$(get_var temp_file)"
state_retention_file="$(get_var state_retention_file)"
command_file="$(get_var command_file)"
resource_file="$(get_var resource_file)"
object_cache_file="$(get_var object_cache_file)"
check_result_path="$(get_var check_result_path)"
check_external_commands="$(get_var check_external_commands)"
#
# use default values if above check doesn't work
#
: ${icinga_user:=icinga}
: ${icinga_group:=icinga}
: ${icinga_cmdgrp:=icingacmd}
: ${resource_file:=/etc/icinga/resource.cfg}
# check ownership files
: ${check_result_path:=/var/spool/icinga}
: ${log_file:=/var/log/icinga/icinga.log}
: ${state_retention_file:=/var/log/icinga/retention.dat}
: ${status_file:=/var/log/icinga/status.dat}
: ${check_external_commands:=0}
# files to remove
: ${command_file:=/var/spool/icinga/icinga.cmd}
: ${lock_file:=/var/run/icinga/icinga.pid}
: ${object_cache_file:=/var/lib/icinga/objects.cache}
: ${temp_file:=/var/log/icinga/icinga.tmp}
# Reset status of this service
rc_reset
case "$1" in
start)
echo -n "Starting Icinga "
config_check
if [ $? -eq 0 ]; then
# check if icinga is already running
ICINGAPID=$(pidof "$ICINGA_BIN")
if [ -z "$ICINGAPID" ]; then
check_files
check_lock_file
fi
startproc $NICELEVEL -p "$lock_file" "$ICINGA_BIN" -d "$ICINGA_CFG"
if [ "$check_external_commands" != 0 ]; then
while [ ! -e "$command_file" ] && [ $ICINGA_TIMEOUT -gt 0 ]; do
sleep 1
ICINGA_TIMEOUT=$[$ICINGA_TIMEOUT-1]
done
chgrp $icinga_cmdgrp "$command_file"
chown $icinga_user:$icinga_cmdgrp "$check_result_path"
fi
else
echo "Error in configuration - please read $ICINGA_CFG_ERR_LOG"
rc_failed
fi
rc_status -v
;;
stop)
echo -n "Shutting down Icinga "
# we have to wait for icinga to exit and remove its
# own Lockfile, otherwise a following "start" could
# happen, and then the exiting icinga will remove the
# new Lockfile, allowing multiple icinga daemons
# to (sooner or later) run - John Sellens
if checkproc "$ICINGA_BIN" ; then
killproc -p "$lock_file" -TERM "$ICINGA_BIN"
sleep 1
if [ -e "$lock_file" ]; then
echo "Warning - Icinga did not exit in a timely manner. Waiting..."
while [ -e "$lock_file" ] && [ $ICINGA_TIMEOUT -gt 0 ] ; do
sleep 1
ICINGA_TIMEOUT=$[$ICINGA_TIMEOUT-1]
echo -n '.'
[ $ICINGA_TIMEOUT -eq 41 ] && echo
done
fi
if checkproc "$ICINGA_BIN" ; then
killproc -p "$lock_file" -SIGKILL "$ICINGA_BIN"
echo -n "Warning: Icinga killed"
fi
else
echo -n "Icinga not running"
rc_failed 7
fi
check_files
rc_reset
rc_status -v
;;
try-restart)
## Do a restart only if the service was active before.
$0 status
if test $? = 0; then
$0 restart
else
rc_reset # Not running is not a failure.
fi
rc_status
;;
restart)
$0 stop
$0 start
rc_status
;;
reload|force-reload)
echo -n "Reload service Icinga "
config_check
if [ $? -eq 0 ]; then
echo -n "Passed configuration check - reloading..."
killproc -HUP -p "$lock_file" "$ICINGA_BIN"
else
echo "- Error in configuration files"
echo -n "- aborting reload - please read $ICINGA_CFG_ERR_LOG"
rc_failed
fi
rc_status -v
;;
status)
echo -n "Checking for Icinga "
checkproc -p "$lock_file" "$ICINGA_BIN"
rc_status -v
;;
check)
echo -n "Starting configuration check "
config_check
if [ $? -eq 0 ]; then
echo "- passed configuration check"
test -f $ICINGA_CFG_ERR_LOG && rm $ICINGA_CFG_ERR_LOG
rc_reset
else
echo "- detected Error in configuration files"
echo "Please read $ICINGA_CFG_ERR_LOG"
rc_failed
fi
rc_status -v
;;
check_verbose)
echo "Running verbose configuration check..."
config_check verbose
exitcode=$?
cat "$ICINGA_CFG_ERR_LOG"
rc_failed $exitcode
rc_status -v
rc_exit
;;
*)
echo "Usage: $0 {start|stop|status|try-restart|restart|reload|check|check_verbose}"
exit 1
;;
esac
rc_exit
