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#! /bin/sh
### BEGIN INIT INFO
# Provides: icinga2
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: icinga2 host/service/network monitoring and management system
# Description: icinga2 is a monitoring and management system for hosts, services and networks.
### END INIT INFO
# Author: Alexander Wirt <formorer@debian.org>
# Markus Frosch <markus@lazyfrosch.de>
# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="icinga2 monitoring daemon"
NAME=icinga2
DAEMON=/usr/sbin/icinga2
DAEMON_CONFIG="/etc/icinga2/icinga2.conf"
DAEMON_USER=nagios
DAEMON_GROUP=nagios
DAEMON_CMDGROUP=www-data
DAEMON_ARGS="-e /var/log/icinga2/icinga2.err"
STARTUP_LOG="/var/log/icinga2/startup.log"
PIDFILE=/run/icinga2/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME
# Block/ignore SIGPIPE inside Icinga2
# Workaround for a known bug in 2.6.0
# see https://github.com/Icinga/icinga2/issues/4867#issuecomment-273109525
trap '' 13 # SIGPIPE
# Exit if the package is not installed
[ -x "$DAEMON" ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
# check run directory
check_run () {
test -d '/run/icinga2' || mkdir /run/icinga2
test -d '/run/icinga2/cmd' || mkdir /run/icinga2/cmd
chown "$DAEMON_USER":"$DAEMON_GROUP" /run/icinga2
chmod 0755 /run/icinga2
chown "$DAEMON_USER":"$DAEMON_CMDGROUP" /run/icinga2/cmd
chmod 2710 /run/icinga2/cmd
}
check_config () {
$DAEMON daemon --validate
}
#
# Function that starts the daemon/service
#
do_start()
{
check_run
# Return
# 0 if daemon has been started
# 1 if daemon was already running
# 2 if daemon could not be started
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
|| return 1
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
daemon -d $DAEMON_ARGS \
|| return 2
# Add code here, if necessary, that waits for the process to be ready
# to handle requests from services started subsequently which depend
# on this one. As a last resort, sleep for some time.
}
#
# Function that starts the daemon/service in foreground for debugging
#
do_foreground()
{
start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test \
|| return 1
start-stop-daemon --start --pidfile $PIDFILE --exec $DAEMON -- \
daemon $DAEMON_ARGS \
|| return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
# Return
# 0 if daemon has been stopped
# 1 if daemon was already stopped
# 2 if daemon could not be stopped
# other if a failure occurred
start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
[ "$?" = 2 ] && return 2
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return "$RETVAL"
}
#
# Function that sends a SIGHUP to the daemon/service
#
do_reload() {
#
# If the daemon can reload its configuration without
# restarting (for example, when it is sent a SIGHUP),
# then implement that here.
#
start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
return 0
}
do_check_config () {
DOEXITONOK="$1"
log_begin_msg "checking Icinga2 configuration"
if ! check_config >$STARTUP_LOG 2>&1; then
echo
[ -n "$DOEXITONOK" ] && cat $STARTUP_LOG
log_failure_msg "checking Icinga2 configuration. Check '$STARTUP_LOG' for details."
exit 1
else
log_end_msg 0
[ -n "$DOEXITONOK" ] && exit 0
fi
}
case "$1" in
start)
do_check_config
log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
foreground)
do_check_config
log_action_msg "Starting $DESC in foreground"
status=0
trap 'status=2;' INT # handle intr here
for i in 1 2; do
do_foreground || status="$?"
case "$status" in
0)
log_success_msg "$NAME ended graceful"
break
;;
1)
if [ "$i" -eq 1 ]; then
log_warning_msg "$NAME already running!"
log_begin_msg "Do you want to stop $NAME before going foreground? [y/N] "
read -r question
if [ "$question" = "y" ] || [ "$question" = "yes" ]; then
do_stop
continue
fi
fi
log_failure_msg "$NAME already running! Please stop before starting in foreground!"
break
;;
2)
log_failure_msg "$NAME ended"
break
;;
esac
done
exit $status
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
do_stop
case "$?" in
0|1) log_end_msg 0 ;;
2) log_end_msg 1 ;;
esac
;;
status)
status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME" && exit 0 || exit $?
;;
reload|force-reload)
do_check_config
status_of_proc -p "$PIDFILE" "$DAEMON" "$NAME" || exit $?
log_daemon_msg "Reloading $DESC" "$NAME"
do_reload
log_end_msg $?
;;
restart)
do_check_config
log_daemon_msg "Restarting $DESC" "$NAME"
do_stop
case "$?" in
0|1)
do_start
case "$?" in
0) log_end_msg 0 ;;
1) log_end_msg 1 ;; # Old process is still running
*) log_end_msg 1 ;; # Failed to start
esac
;;
*)
# Failed to stop
log_end_msg 1
;;
esac
;;
checkconfig)
do_check_config 1
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|reload|force-reload|restart|checkconfig|foreground}" >&2
exit 3
;;
esac
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