openrc_icinga2

#!/usr/bin/openrc-run

description="Icinga 2 is a monitoring and management system for hosts, services and networks."

extra_commands="checkconfig"
extra_started_commands="reload"

depend() {
  need net
  after network
}

start_pre() {

  if [ ! -e $ICINGA2_CONFIG_FILE ]; then
    eerror "Config file '$ICINGA2_CONFIG_FILE' does not exist."
    exit 6
  fi

  getent passwd $ICINGA2_USER >/dev/null 2>&1 || (echo "Icinga user '$ICINGA2_USER' does not exist. Exiting." && exit 6)
  getent group $ICINGA2_GROUP >/dev/null 2>&1 || (echo "Icinga group '$ICINGA2_GROUP' does not exist. Exiting." && exit 6)
  getent group $ICINGA2_COMMAND_GROUP >/dev/null 2>&1 || (echo "Icinga command group '$ICINGA2_COMMAND_GROUP' does not exist. Exiting." && exit 6)

  if [ "${RC_CMD}" = "restart" ] ; then
      checkconfig || return $?
  fi
}

# Start Icinga 2
start() {
  ebegin "Starting Icinga 2: "

  /usr/lib/icinga2/prepare-dirs "$SYSCONFIGFILE"

  if ! $DAEMON daemon --config $ICINGA2_CONFIG_FILE --daemonize --errorlog $ICINGA2_ERROR_LOG > $ICINGA2_STARTUP_LOG 2>&1
  then
    eerror "Error starting Icinga. Check '$ICINGA2_STARTUP_LOG' for details."
    eend 1
  else
    einfo "Done"
  fi
}

# Restart Icinga 2
stop() {
  ebegin  "Stopping Icinga 2: "

  if [ ! -e $ICINGA2_PID_FILE ]
  then
    eerror "The PID file '$ICINGA2_PID_FILE' does not exist."
    if [ "x$1" = "xnofail" ]
    then
      return
    else
      eend 7
    fi
  fi

  pid=$(cat $ICINGA2_PID_FILE)

  if icinga2 internal signal -s SIGINT -p $pid >/dev/null 2>&1
  then
  for i in $(seq 1 10); do
    if ! icinga2 internal signal -s SIGCHLD -p $pid >/dev/null 2>&1
    then
      break
    fi
    sleep 3
  done
  fi

  if icinga2 internal signal -s SIGCHLD -p $pid >/dev/null 2>&1
  then
    icinga2 internal signal -s SIGKILL -p $pid >/dev/null 2>&1
  fi

  eend $?
}

# Reload Icinga 2
reload() {

  checkconfig || return $?
  ebegin "Reloading ${RC_SVCNAME}"
  exec /usr/lib/icinga2/safe-reload "$SYSCONFIGFILE"
  eend $?
}

# Check the Icinga 2 configuration
checkconfig() {
  ebegin "Checking configuration: "

  if ! $DAEMON daemon --config $ICINGA2_CONFIG_FILE --validate > $ICINGA2_STARTUP_LOG 2>&1
  then
    if [ "x$1" = "x" ]
    then
      cat $ICINGA2_STARTUP_LOG
      einfo "Icinga 2 detected configuration errors. Check '$ICINGA2_STARTUP_LOG' for details."
      eend 1
    else
      einfo "Not "$1"ing Icinga 2 due to configuration errors. Check '$ICINGA2_STARTUP_LOG' for details."
      if [ "x$2" = "xfail" ]
      then
        eend 1
      fi
    fi
  fi

  einfo "Done"
  # no arguments requires full output
  if [ "x$1" = "x" ]
  then
    cat $ICINGA2_STARTUP_LOG
  fi
}

# Print status for Icinga 2
status() {

  ebegin "Icinga 2 status: "

  if [ ! -e $ICINGA2_PID_FILE ]
  then
    eerror "Not running"
    eend 3
  fi

  pid=`cat $ICINGA2_PID_FILE`
  if icinga2 internal signal -s SIGCHLD -p $pid >/dev/null 2>&1
  then
    einfo "Running"
  else
    eerror "Not running"
    eend 3
  fi
}

# exit 0