NLS-Collection

Nagios Log Server Collection

A collection of add-ons for Nagios Log Server.

Inputs

• Inputs allow Nagios Log Server to collect data from various sources like TCP/UDP ports, SNMP Traps, Unix Sockets, log files
• Each file in the Inputs folder is a separate input
  • The header of the file explains it's purpose
  • The remaining contents of the file are what needs to be pasted into a new input
  • Administration > Global Configuration > Inputs > Add Input

Filters

• Filters are applied to input data before it is stored in the Elasticsearch Database
• This allows the data to be broken down into more granular fields, allows for a more detailed analysis of the data
• Each file in the Filters folder is a separate filter
  • The header of the file explains it's purpose
  • The remaining contents of the file are what needs to be pasted into a new filter
  • Administration > Global Configuration > Filters > Add Filter

Outputs

• Outputs allow Nagios Log Server to perform actions on the received data afer the Inputs and Filters have been applied
• Each file in the Outputs folder is a separate input
  • The header of the file explains it's purpose
  • The remaining contents of the file are what needs to be pasted into a new output
  • Administration > Global Configuration > Show Outputs > Add Output

Dashboards

• Dashboards are how you analyze the data in the Elasicsearch Database
• Each file in the Dashboards folder is a separate dashboard
• Dashboards usually rely on a filter that has defined specific fields
  • For example the Nagios dashboards rely on the Nagios_Core input filter
• The dashboard file needs to be uploaded so it can be used
  • Dashboards > Load (Folder icon) > Advanced > Browse
  • Once you upload a dashboard it needs to be saved using the Save As button

Playbooks

• Ansible playbook to update Nagios Log Server
  example: ansible-playbook nls_update.yml -e "{downtime: 'yes'}"