InstallLibreNMS.bash

#!/bin/bash
#Script to install LibreNMS with Apache
#Supported OS: Ubuntu 16.04, Debian 9
#
#Based on https://docs.librenms.org/#Installation/Installation-Ubuntu-1604-Apache/
# Author Pablo De la Morena

if [ "$(id -u)" != '0' ]; then
	echo 'Error: this script can only be executed by root'
	exit 1
fi
echo "############################################"
echo "######  BEGIN CONFIGURATION FILE    ########"
echo "############################################"
echo " "
echo " "
echo "¿Change hostname? y/n"
read -e respuesta
if [ "$respuesta" == y ] ; then
	echo "New hostname"
	read -e newhostname
	hostnamectl set-hostname $newhostname
fi

echo " "
echo " "
echo "Enter the password that the LibreNMS database will have, remember that it is not seen when writing"
read -s db_pass
echo "Type password again"
read -s db_pass2

while [ "$db_pass" != "$db_pass2" ] ; do
	echo "The passwords dont match, try again"
	read -s db_pass2
done

echo " "
echo " "
echo "SNMP community name"
read -e comunidad

echo "mariadb-server mariadb-server/root_password password $db_pass2" | sudo debconf-set-selections
echo "mariadb-server mariadb-server/root_password_again password $db_pass2" | sudo debconf-set-selections

apt update && apt install -y apache2 composer fping git graphviz imagemagick libapache2-mod-php7.0 mariadb-client mariadb-server mtr-tiny nmap php7.0-cli php7.0-curl php7.0-gd php7.0-json php7.0-mcrypt php7.0-mysql php7.0-snmp php7.0-xml php7.0-zip python-memcache python-mysqldb rrdtool snmp snmpd whois acl

useradd librenms -d /opt/librenms -M -r
usermod -a -G librenms www-data

cd /opt
git clone https://github.com/librenms/librenms.git librenms

systemctl restart mysql

setupdb="CREATE DATABASE librenms CHARACTER SET utf8 COLLATE utf8_unicode_ci;CREATE USER 'librenms'@'localhost' IDENTIFIED BY '$db_pass';GRANT ALL PRIVILEGES ON librenms.* TO 'librenms'@'localhost';FLUSH PRIVILEGES;"
mysql -u root -p$db_pass -e "$setupdb"

sed -i '/\[mysqld]/a \
\
## Added for the LibreNMS configuration \
innodb_file_per_table=1 \
sql-mode="" \
lower_case_table_names=0 \
## \
' /etc/mysql/mariadb.conf.d/50-server.cnf

systemctl restart mysql

sed -i 's|;date.timezone =|date.timezone = Etc/UTC|g' /etc/php/7.0/apache2/php.ini
sed -i 's|;date.timezone =|date.timezone = Etc/UTC|g' /etc/php/7.0/cli/php.ini

a2enmod php7.0
a2dismod mpm_event
a2enmod mpm_prefork
phpenmod mcrypt

cat > /etc/apache2/sites-available/librenms.conf <<EOF
<VirtualHost *:80>
  DocumentRoot /opt/librenms/html/
  ServerName  $HOSTNAME.local

  AllowEncodedSlashes NoDecode
  <Directory "/opt/librenms/html/">
    Require all granted
    AllowOverride All
    Options FollowSymLinks MultiViews
  </Directory>
</VirtualHost>
EOF

a2dissite 000-default
a2ensite librenms.conf
a2enmod rewrite
systemctl restart apache2

cp /opt/librenms/snmpd.conf.example /etc/snmp/snmpd.conf

sed -i "s|RANDOMSTRINGGOESHERE|$comunidad|g" /etc/snmp/snmpd.conf

curl -o /usr/bin/distro https://raw.githubusercontent.com/librenms/librenms-agent/master/snmp/distro
chmod +x /usr/bin/distro
systemctl restart snmpd

cp /opt/librenms/librenms.nonroot.cron /etc/cron.d/librenms

cp /opt/librenms/misc/librenms.logrotate /etc/logrotate.d/librenms

chown -R librenms:librenms /opt/librenms
setfacl -d -m g::rwx /opt/librenms/rrd /opt/librenms/logs
setfacl -R -m g::rwx /opt/librenms/rrd /opt/librenms/logs

ip=$(hostname -I|cut -f1 -d ' ')
sleep 1
echo "############################################"
echo "###############  FINISHED  #################"
echo "############################################"
echo " "
echo "Now you must continue here: http://$ip/install.php"
echo "Remenber that these are your credentials: "
echo " "
echo " DB User: librenms "
echo " DB Password: $db_pass  "