add nagios playbook and roles

roles/config-nagios-nrpe/files/90-vn.cfg

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+allowed_hosts=nagios.verdnatura.es
+
+command[check_disk_root]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /
+command[check_disk_var]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /var
+command[check_disk_usr]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /usr
+command[check_disk_home]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /home
+command[check_disk_tmp]=/usr/lib/nagios/plugins/check_disk -w 20% -c 10% -p /tmp
+command[check_dummy]=/usr/lib/nagios/plugins/check_dummy 0
+command[check_swap]=/usr/lib/nagios/plugins/check_swap -w 40% -c 20%
+command[check_load]=/usr/lib/nagios/plugins/check_load -r -w 3.5,3.25,3 -c 4.5,4.25,4
+command[check_total_procs]=/usr/lib/nagios/plugins/check_procs -w 400 -c 500

roles/config-nagios-nrpe/handlers/main.yaml

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+# restart nagios-nrpe service to apply changes
+- name: restart nagios-nrpe
+  service:
+    name: "{{ nagios_nrpe_daemon }}"
+    state: restarted

roles/config-nagios-nrpe/tasks/main.yaml

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+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+# Install and configure NAGIOS-NRPE
+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+# paso1
+# install packages for nagios-nrpe
+- name: install packages for nagios-nrpe (nagios-nrpe-server nagios-nrpe-plugin)
+  apt:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - nagios-nrpe-server
+    - nagios-nrpe-plugin
+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+# paso2
+# copy file 90-vn.cfg to /etc/nagios/nrpe.d/
+- name: copy file 90-vn.cfg to /etc/nagios/nrpe.d/
+  copy:
+    src: 90-vn.cfg
+    dest: /etc/nagios/nrpe.d/90-vn.cfg
+    owner: root
+    group: root
+    mode: '0644'
+    backup: yes
+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+# paso3
+# create file 99-local.cfg to /etc/nagios/nrpe.d/
+- name: create 99-local.cfg to /etc/nagios/nrpe.d/
+  file:
+    path: "{{ 99_local_path }}"
+    state: touch
+    mode: '0644'
+  notify: restart nagios-nrpe
+#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

roles/config-nagios-nrpe/vars/main.yaml

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+# vars file
+99_local_path: /etc/nagios/nrpe.d/99-local.cfg
+nagios_nrpe_daemon: nagios-nrpe-server