Dynamic Motd
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README.md

dynmotd

Table of Contents

  1. Overview
  2. Module Description
  3. Setup
  4. Usage
  5. Reference
  6. Limitations
  7. Development
  8. License

Overview

This module allows to generate a dynamic Motd /var/run/motd with simples scripts.

Module Description

This is a simple Puppet module to manage a more advanced Motd (Message of the day) and automatically display it upon successful ssh or shadow login.

Setup

What dynmotd affects

  • Dynamic (/var/run/motd) and static (/etc/motd) Motd files.
  • The dynamic Motd generation directory and scripts (/etc/update-motd.d).
  • The pam configuration to display the Motd for ssh and shadow login.

Usage

To begin using Motd module with defaults parameters:

include dynmotd

If you don't want to display the Motd upon ssh login:

class { 'motd':
  print_motd_ssh => false,
}

Reference

Classes

  • motd: Main class calls all subclasses.
  • motd::install: Provide all scripts that display system informations.
  • motd::config: Manage the pam configuration.

Parameters

motd

  • dynmotd_path: Path to the default dynamic Motd generated by pam. Defaults to '/var/run/motd'.
  • update_motd_dir_path: Path to the directory containing the scripts to generate the dynamic Motd. Defaults to '/etc/update-motd.d'.
  • system_info_script_name: The script to display system informations (uptime, kernel, …). Defaults to '01system'.
  • system_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_system_info.erb'.
  • user_info_script_name: The script to display user informations (number of sessions, processes, …). Defaults to '02user'.
  • user_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_user_info.erb'.
  • auth_info_script_name: The script to display authentication informations (number of ssh, sudo fails, …). Defaults to '03auth'.
  • auth_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_auth_info.erb'.
  • fs_info_script_name: The script to display filesystem informations (disk space usage). Defaults to '04fs'.
  • fs_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_fs_info.erb'.
  • ceph_info_script_name: The script to display Ceph informations (Health, monitor, osd, …). Defaults to '05ceph'.
  • ceph_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_ceph_info.erb'.
  • service_info_script_name: The script to display services informations (running process, listening socket, …). Defaults to '06service'.
  • service_info_script_content: Template file use to generate the previous script. Defaults to 'dynmotd/motd_service_info.erb'.
  • static_motd_path: Path to the standard and static Motd. Defaults to '/etc/motd'.
  • static_motd_content: Template file use to generate the static motd. Defaults to 'dynmotd/static_motd.erb'.
  • print_motd_ssh: If set to 'true', the Motd will be displayed upon successful ssh login. Can be 'true' or 'false'. Defaults to 'true'.
  • print_motd_login: If set to 'true', the Motd will be displayed upon successful shadow (classic tty/shell) login. Can be 'true' or 'false'. Defaults to 'true'.

Limitations

This module has only be tested on Debian 7.x versions, but should work on Debian >7. The dynamic Motd generation with /etc/update-motd.d directory was implemented in pam by Ubuntu (in 10.04), so it should also work with Ubuntu >=10.04.

Development

Free to send contributions, fork it, ...

License

WTFPL (http://wtfpl.org/)