Puppet module to install Xymon
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README.md

xymon

Table of Contents

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

Overview

The Xymon module provide a simple way to manage the last version of Xymon based on the packages provide by the Xymon project (packages could be rpm if passed as argument).

Module Description

The xymon module automates installing Xymon on systems.

Setup

What xymon affects

  • Package/service/configuration files for Xymon.
  • Recommends and suggests packages for Xymon-plugins (aka hobbit-plugins).
  • Default Apache2 configuration (puppetlabs-apache).
  • Virtual host for Xymon server.

Beginning with xymon

To begin using xymon module with default parameters, declare the server class:

include xymon::server

And on others nodes, the client:

class { 'xymon::client':
  list_server => [ '192.168.0.10' ]
}

If you manage the sudoers with Puppet or a module (saz-sudo for example), you should add permissions for the Xymon user to be able to run some additional plugins:

sudo::conf { 'xymon':
  content  => "xymon ALL=(root) NOPASSWD: /usr/bin/lsof -n -FpcLfn0
  xymon ALL=(root) NOPASSWD: /usr/bin/debsums -ec
  xymon ALL=(backuppc) SETENV:NOPASSWD: /usr/lib/xymon/client/ext/backuppc
  xymon ALL=(list) SETENV:NOPASSWD: /usr/lib/xymon/client/ext/mailman",
}

Usage

Server

Default behaviour

By default, the server class will manage both server and client (ensure install but disable the service) for Xymon, the virtual host for Apache2 and somes configurations files for Xymon server:

class { 'xymon::server': }

If you choose a different version, it will also be applied to the xymon::client class.

Disable client management

If you prefer to manage the Xymon client separately:

class { 'xymon::server':
  manage_client => false,
 }

Disable Apache configuration and virtual host:

The virtual host for Apache2 look like the one provide by the project (http://sourceforge.net/p/xymon/code/HEAD/tree/branches/4.3.17/xymond/etcfiles/xymon-apache-secure.DIST), if you prefer a vhost and Apache2 managed by yourself:

class { 'xymon::server':
  manage_apache_conf  => false,
  manage_apache_vhost => false,
 }

Client

Define the server

You should define the array of servers:

node 'first.toto' {
  class { 'xymon::client':
    list_server => [ '192.168.0.10' ],
  }
}

node 'second.toto' {
  class { 'xymon::client':
    list_server => [ '127.0.0.1', '192.168.0.10' ],
  }
}

Note: list_server must be an array even if you have only one Xymon server.

Disable additional plugins

Debian family comes with somes plugins for Xymon, but i don't know if it's available for other OS, so to disable it:

class {
  plugin_pkg_ensure => 'absent',
}

Reference

Public classes

  • xymon: Main class, do nothing right now.
  • xymon::server: Install and manage Xymon server.
  • xymon::client: Install and manage Xymon client.

Private classes

  • xymon::server::preconfig: Ensure xymon::client class is defined and build dl_url and pkg_name variables with the parameters.
  • xymon::server::install: Install the server packages.
  • xymon::server::config: Provide some contribution files.
  • xymon::server::service: Manage the Xymon server service.
  • xymon::server::apache: Ensure the ::apache class is defined (from puppetlabs-apache) and provide a virtual host.
  • xymon::client::preconfig: Build the dl_url and pkg_name, with the parameters, to download the Xymon client package.
  • xymon::client::install: Install the packages.
  • xymon::client::config: Manage the configuration files.
  • xymon::client::service: Manage the Xymon client service.

Parameters

xymon::server

  • dep_pkg_name: The list of depends packages to install Xymon server. Could be an array. Defaults to [ 'debconf', 'libc-ares2', 'libc6', 'libldap-2.4-2', 'libpng12-0', 'librrd4', 'libssl1.0.0', 'perl' ].
  • download_dir: The directory to store Xymon packages. Defaults to '/opt/xymon/packages'.
  • download_url: The URL to download Xymon server package. Should not be complete: http://www.download/path/to/4.3.17/ will work but http://www.download/path/to/4.3.17/package.deb will not work. You must use the package_name variable. Defaults to 'undef'.
  • new_version: The version of Xymon to download. Defaults to '4.3.17'.
  • package_name: The Xymon server's package name to download and install. Defaults to undef.
  • pkg_ensure: What to set the Xymon server package to. Can be 'present' or 'absent'. Defaults to 'present'.
  • pkg_provider: The provider used to install Xymon server package. Defaults to 'dpkg'.
  • service_enabled: If set to 'true', Puppet will ensure the Xymon server's service is running. Can be 'true' or 'false'. Defaults to 'true'.
  • service_managed: If set to 'true', Puppet will manage the Xymon server's service. Can be 'true' or 'false'. Defaults to 'true'.
  • service_name: Xymon server's service name. Defaults to 'xymon'.
  • manage_client: If set to 'true', the xymon::server class will also manage a default installation of the client with xymon::client class. Can be 'true' or 'false'. Defaults to 'true'.
  • manage_apache_conf: If set to 'true', Puppet will ensure the ::apache is defined otherwise it will defined a default one with 'mpm module'. Can be 'true' or 'false'. Defaults to 'true'.
  • manage_apache_vhost: If set to 'true', Puppet will provide a virtual host for Apache. Can be 'true' or 'false'. Defaults to 'true'.

xymon::client

  • download_dir: The directory to store Xymon packages. Defaults to '/opt/xymon/packages'.
  • download_url: The URL to download Xymon client package. Should not be complete: http://www.download/path/to/4.3.17/ will work but http://www.download/path/to/4.3.17/package.deb will not work. You must use the package_name variable. Defaults to 'undef'.
  • new_version: The version of Xymon to download. Defaults to '4.3.17'.
  • package_name: The Xymon client's package name to download and install. Defaults to undef.
  • pkg_ensure: What to set the Xymon client package to. Can be 'present' or 'absent'. Defaults to 'present'.
  • pkg_provider: The provider used to install Xymon client package. Defaults to 'dpkg'.
  • service_enabled: If set to 'true', Puppet will ensure the Xymon client's service is running. Can be 'true' or 'false'. Defaults to 'true'.
  • service_managed: If set to 'true', Puppet will manage the Xymon client's service. Can be 'true' or 'false'. Defaults to 'true'.
  • service_name: Xymon client's service name. Defaults to 'xymon-client'.
  • service_default_path: Path of the configuration file read by the Xymon client service. Defaults to '/etc/default/xymon-client'.
  • service_default_tpl: Template file used to generate the system default file. Defaults to 'xymon/client/default.service.erb'.
  • service_path: Path of the init script. Defaults to '/etc/init.d/xymon-client'.
  • service_tpl: Template file used to generate the init script. Defaults to 'xymon/client/xymon-client.deb_service.erb'.
  • main_cfg_path: Path to the main configuration file. Defaults to '/etc/xymon/xymonclient.cfg'.
  • main_cfg_tpl: Template file used to generate the main configuration file. Defaults to 'xymon/client/xymonclient.cfg.erb'.
  • list_server: List of IP-addresses of Xymon servers. Data will be sent to all of the servers listed here. Should be an array. Defaults to [ '127.0.0.1' ].
  • plugin_sug_pkg_name: The list of suggests packages for Xymon-plugins (hobbit-plugins). Defaults to [ 'dctrl-tools', 'libsort-naturally-perl', 'libyaml-tiny-perl', 'lsb-release', 'lsof', 'debsums', 'fping', 'liblist-moreutils-perl', 'libsysadm-install-perl', 'libtimedate-perl', 'dphys-config' ].
  • plugin_download_url:
  • plugin_pkg_name: The Xymon-plugins package name. Defaults to 'hobbit-plugins'.
  • plugin_pkg_source: The local source file to provide the plugin package. Defaults to 'puppet:///modules/xymon/client/hobbit-plugins_20141201_all_gardouille.deb'.
  • plugin_pkg_ensure: What to set the Xymon plugins packages to. Can be 'present' or 'absent'. Defaults to 'present'.
  • plugin_pkg_provider: The provider used to install Xymon plugins package. Defaults to 'dpkg'.
  • apt_accept_path: Path of the accepted list of packages not installed from Debian repositories. Defaults to '/etc/xymon/apt_no_repo_accept'.
  • apt_accept_tpl: Template used to generate the accepted packages. Defaults to 'xymon/client/apt_no_repo_accept.erb'.

Other notes

  • The module does not compile the sources, it could be a feature in few times for more compatibility if enough people interested.
  • I repack the hobbit-plugins package because the Debian's package depends on Xymon 4.3.17-2~ (-2~ prevents the installation).

Limitations

This is where you list OS compatibility, version compatibility, etc.

Development

Free to send contributions, fork it, ...

License

WTFPL (http://wtfpl.org/)