#! /bin/sh ### BEGIN INIT INFO # Provides: icinga2 # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: icinga2 host/service/network monitoring and management system # Description: icinga2 is a monitoring and management system for hosts, services and networks. ### END INIT INFO # Author: Alexander Wirt # Markus Frosch # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/sbin:/usr/sbin:/bin:/usr/bin DESC="icinga2 monitoring daemon" NAME=icinga2 DAEMON=/usr/sbin/icinga2 DAEMON_CONFIG="/etc/icinga2/icinga2.conf" DAEMON_USER=nagios DAEMON_GROUP=nagios DAEMON_CMDGROUP=www-data DAEMON_ARGS="-e /var/log/icinga2/icinga2.err" STARTUP_LOG="/var/log/icinga2/startup.log" PIDFILE=/run/icinga2/$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 # vi: ts=2 sw=2 expandtab : :