added nagios plugin and nrpe installation

Author: errnair

installation_scripts/install_nagios.sh

@@ -19,7 +19,7 @@ preresquisites() {
  groupadd nagcmd
  useradd -G nagcmd nagios
 
- yum install httpd mod_ssl
+ yum install httpd mod_ssl -y
  systemctl enable httpd
  systemctl start httpd
  firewall-cmd --permanent --add-service=http
@@ -40,9 +40,45 @@ install_nagios(){
  make install-commandmode
  make install-config
  make install-webconf
- usermod -aG nagcmd apache
+ echo -e "\n\nNagios Directory Location: /usr/local/nagios/"
 
+ usermod -aG nagcmd apache
 }
 
 install_nagios_plugins() {
+ cd /opt/sources/nagios
+ mkdir nagios-plugins
+ cd nagios-plugins/
+ wget http://nagios-plugins.org/download/nagios-plugins-2.2.1.tar.gz
+ tar zxf nagios-plugins-*.tar.gz
+ cd nagios-plugins-*
+ ./configure --with-nagios-user=nagios --with-nagios-group=nagios --with-openssl
+ make
+ make install
+}
+
+install_nrpe() {
+ cd /opt/sources/nagios
+ mkdir nrpe
+ cd nrpe
+ wget https://downloads.sourceforge.net/project/nagios/nrpe-3.x/nrpe-3.1.0.tar.gz
+ tar zxf nrpe-*.tar.gz
+ cd nrpe-*
+ ./configure --enable-command-args --with-nagios-user=nagios --with-nagios-group=nagios --with-ssl=/usr/bin/openssl --with-ssl-lib=/usr/lib64/
+ make all
+ make install
+ make install-config
+
+ echo -e "nrpe\t\t5666/tcp\t\t# Nagios NRPE" >> /etc/services
+
+ make install-init
+
+ systemctl enable nrpe.service
+ firewall-cmd --zone=public --add-port=5666/tcp
+ firewall-cmd --zone=public --add-port=5666/tcp --permanent
+ firewall-cmd --reload
+
+ sed -i.bak 's/^\(dont_blame_nrpe=\).*/\11/' /usr/local/nagios/etc/nrpe.cfg
+ ipaddr=$(hostname -I | cut -d" " -f 1)
+
 }