add Makefile and systemd/rc service files

Makefile

@@ -0,0 +1,39 @@
+# configuration area:
+
+PREFIX = /usr/local
+NAGIOS_DIR = ${PREFIX}/nagios
+# for OpenBSD, change to ${PREFIX}/libexec/nagios below:
+NAGIOS_EXEC = ${NAGIOS_DIR}/libexec
+SYSTEMD_UNIT_DIR = /lib/systemd/system
+
+rc: install
+	@echo installing ircbot to /etc/rc.d
+	@cf -f services/rc/ircbot /etc/rc.d
+	@echo enabling ircbot
+	@rcctl enable ircbot
+	@echo not starting ircbot -- configure it then run `rcctl start ircbot` as root
+
+systemd: install
+	@echo installing ircbot.service to ${SYSTEMD_UNIT_DIR}
+	@cf -f services/systemd/ircbot.service ${SYSTEMD_UNIT_DIR}
+	@echo enabling ircbot.service
+	@systemctl enable ircbot.service
+	@echo not starting ircbot.service -- configure it then run `systemctl start ircbot.service` as root
+
+install:
+	@echo installing service checking scripts to ${NAGIOS_EXEC}
+	@cp -f check_senderscore check_ircd ${NAGIOS_EXEC}
+	@chmod 755 ${NAGIOS_EXEC}/check_senderscore
+	@chmod 755 ${NAGIOS_EXEC}/check_ircd
+	@echo installing ircbot.sh to ${PREFIX}/bin
+	@cp -f ircbot.sh ${PREFIX}/bin
+	@chmod 755 ${PREFIX}/bin/ircbot.sh
+
+uninstall:
+	@echo removing service checking scripts from ${NAGIOS_EXEC}
+	@rm -f ${NAGIOS_EXEC}/check_senderscore ${NAGIOS_EXEC}/check_ircd
+	@echo removing ircbot.sh from ${PREFIX}/bin
+	@rm -f ${PREFIX}/bin/ircbot.sh
+	@echo removing ircbot.service from ${SYSTEMD_UNIT_DIR}
+	@systemctl disable ircbot.service
+	@rm -f ${SYSTEMD_UNIT_DIR}/ircbot.service

README.md

@@ -9,9 +9,15 @@ tends to send spam email) of an IP address.
 IRC server and channel, keeps the connection open, and relays messages from
 nagios to the channel.
 
-## Setting up `notify_irc`
+## Installing
 
-Change the configuration parameters in the script itself.
+To install, edit `Makefile` with the appropriate path to your nagios
+directory and run `make install` as root. To install the systemd service, run
+`make systemd`; for rc service (on OpenBSD), run `make rc`.
+
+## Setting up `ircbot`
+
+Edit `ircbot` and change the configuration parameters as needed.
 
 Edit your nagios commands configuration (eg
 `/usr/local/nagios/etc/commands.cfg`) and define a new host and service
@@ -30,14 +36,18 @@ commands that write to the file `/tmp/ircmsg`. For example:
 
 Then create a contact with parameters:
 
+```
     service_notification_commands   notify-service-by-irc
     host_notification_commands      notify-host-by-irc
+```
 
-Check that the new configuration is valid:
+Check that the new configuration is valid, eg with:
 
+```
      sudo /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
+```
 
 And then restart nagios with `systemctl` or `rcctl`.
 
-Register `ircbot.sh` as a service with `systemd` or `rc`. (TODO: write service
+If you followed the install instructions, a service file was installed for
-files for these.)
+systemd or rc. Start it with `systemctl start ircbot` or `rcctl start ircbot`.

services/rc/ircbot

@@ -0,0 +1,8 @@
+#!/bin/ksh
+
+daemon="/usr/local/bin/ircbot.sh"
+daemon_user="_nagios"
+
+. /etc/rc.d/rc.subr
+
+rc_cmd $1

services/systemd/ircbot.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=Anarchyplanet IRC Bot
+
+[Service]
+User=nagios
+Group=nagios
+ExecStart=/usr/local/bin/ircbot.sh
+
+[Install]
+WantedBy=multi-user.target