#!/usr/bin/env bash

# Based on: https://reintech.io/blog/installing-configuring-nagios-monitoring-debian

set -e
set -x

mkdir -o ./tmp

NAGIOS_URL="$( head -1 nagios-latest.txt)"
NAGIOS_PLUGINS_URL="$( head -1 nagios-plugins-latest.txt )"

apt update && apt upgrade -y

apt install -y build-essential
apt install -y make curl wget unzip apache2 php libapache2-mod-php libgd-dev libssl-dev

useradd nagios
groupadd nagcmd
usermod -a -G nagcmd nagios


wget "${NAGIOS_URL}" -O "nagios.tar.gz"

tar xvf nagios.tar.gz -C ./tmp/

cd ./tmp/nagios-4*

./configure --with-nagios-group=nagios --with-command-group=nagcmd

make all
make install
make install-init
make install-config
make install-commandmode

make install-webconf

cd -

## Simple password
htpasswd -b -c /usr/local/nagios/etc/htpasswd.users nagiosadmin admin

a2enmod rewrite cgi
systemctl restart apache2

wget "${NAGIOS_PLUGINS_URL}" -O "nagios-plugins.tar.gz"
tar xvf nagios-plugins.tar.gz -C ./tmp/

cd ./tmp/nagios-plugins-*

./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl

make
make install

cd -

/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

systemctl start nagios

systemctl enable nagios


set +e
set +x