nagios-install.yaml

---
 - hosts: all
   become: yes
   become_user: root
   become_method: sudo
   remote_user: sys-admin

   vars:
    nagios_password: '$6$YOURSALT$KhOOMd6qdsNG1slbiu0XubKj/KUwWCKWxnI4c2ma.f5h.OniBHDXZgj/r/43zZsg6B7dDImLf8sxUDcnKsYOP.'

   tasks:

   - name: Add NAGIOS Monitoring user
     action: user name=nagios password="{{nagios_password}}"

   - name: Copy nagios-plugins file to target server
     copy: src=/data/files/nagios/nagios-plugins-2.3.3.tar.gz dest=/home/sys-admin/ force=no

   - name: extract nagios-plugins file to target server       
     unarchive:
      src: /home/sys-admin/nagios-plugins-2.3.3.tar.gz
      dest: /home/sys-admin/
      remote_src: yes  

   - name: Copy & extract nrpe-4.1.0 file to target server
     copy: src=/data/files/nagios/nrpe-4.1.0.tar.gz dest=/home/sys-admin/ force=no

   - name: extract nagios-plugins file to target server       
     unarchive:
      src: /home/sys-admin/nrpe-4.1.0.tar.gz
      dest: /home/sys-admin/
      remote_src: yes
   
   - name: Install required packages for Nagios
     yum:
      name:
       - openssl
       - openssl-devel
       - xinetd
       - gcc  
       - make
      state: present   

   - name: Permission change of configure file of /home/sys-admin/nagios-plugins-2.3.3
     command: chmod +x /home/sys-admin/nagios-plugins-2.3.3/configure

   - name: nagios-plugins install
     shell: "{{ item }}"
     args:
       chdir: /home/sys-admin/nagios-plugins-2.3.3
     with_items:
      - ./configure 
      - make
      - make install

   - command: chown nagios.nagios /usr/local/nagios
   - command: chown -R nagios.nagios /usr/local/nagios/libexec
   
   - name: Permission chnage  of /home/sys-admin/nrpe-4.1.0/configure file
     command: chmod +x /home/sys-admin/nrpe-4.1.0/configure

   - name: nagios NRPE Plugin install
     shell: "{{ item }}"
     args:
       chdir: /home/sys-admin/nrpe-4.1.0
     with_items:
      - ./configure --enable-command-args
      - make all
      - make install
      - make install-config
      - make install-init

   - name: Copy Nagios Script to target server
     copy:
      src: "{{ item }}"
      dest: /usr/local/nagios/libexec/  
     with_fileglob:
      - /data/files/nagios/check_*

   - command: chown nagios. /usr/local/nagios/libexec/check_ram 
   - command: chown nagios. /usr/local/nagios/libexec/check_disk.sh 
   - command: chown nagios. /usr/local/nagios/libexec/check_os

   - command: chmod +x /usr/local/nagios/libexec/check_ram 
   - command: chmod +x /usr/local/nagios/libexec/check_disk.sh 
   - command: chmod +x /usr/local/nagios/libexec/check_os

   - name: Configure nrpe.cfg file
     replace:
      path: /usr/local/nagios/etc/nrpe.cfg
      regexp: 'allowed_hosts=127.0.0.1,::1'
      replace: "allowed_hosts=127.0.0.1,192.168.100.11"

   - name: 5666 port add to Services
     action: lineinfile dest=/etc/services regexp="" insertafter=EOF line="nrpe   5666/tcp"
   - service: name=nrpe state=restarted