Puppet module to manage nrpe
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README.md

puppet-module-nrpe

===

Build Status

This module allows you to manage NRPE and its plugins. It does not name any of the plugins, so you can use whatever you like by specifying a hash of plugins and their associated parameters.

===

Compatibility


This module supports Puppet v3 (with and without the future parser), v4 and v5 with Ruby versions 1.8.7, 1.9.3, 2.0.0, 2.1.9 and 2.4.1. See .travis.yml for an exact matrix.

It is tested on the following platforms.

  • Debian 6
  • EL 6
  • Suse 11
  • Solaris 10
  • Solaris 11
  • Ubuntu 12

===

Class nrpe

Parameters

nrpe_package

Name of package(s) for NRPE.

  • Default: based on OS platform.

nrpe_package_ensure

String to pass to ensure attribute for the NRPE package.

  • Default: 'present'

nrpe_package_adminfile

Path to admin file for NRPE package.

  • Default: based on OS platform. (used on Solaris)

nrpe_package_source

Source to NRPE package.

  • Default: based on OS platform. (used on Solaris)

nrpe_package_provider

Name of the package provider for the NRPE package.

  • Default: undef.

nagios_plugins_package

Name of package(s) for nagios-plugins.

  • Default: based on OS platform.

nagios_plugins_package_ensure

String to pass to ensure attribute for the nagios plugins package.

  • Default: 'present'

nagios_plugins_package_adminfile

Path to admin file for nagios-plugins package.

  • Default: based on OS platform. (used on Solaris)

nagios_plugins_package_source

Source to nagios-plugins package.

  • Default: based on OS platform. (used on Solaris)

nrpe_config

Path to nrpe.cfg file.

  • Default: based on OS platform.

nrpe_config_owner

Owner of nrpe.cfg file.

  • Default: 'root'

nrpe_config_group

Group of nrpe.cfg file.

  • Default: 'root'

nrpe_config_mode

Mode of nrpe.cfg file.

  • Default: '0644'

libexecdir

Directory in which nrpe plugins are stored.

  • Default: based on OS platform.

log_facility

The syslog facility that should be used for logging purposes.

  • Default: 'daemon'

pid_file

File in which the NRPE daemon should write it's process ID number. To disable the use of the pid_file parameter, specify the value as 'absent'.

  • Default: based on OS platform.

server_port

Integer port number for nrpe between 0 and 65535, inclusive.

  • Default: 5666

server_address_enable

Boolean to include server_address in nrpe.cfg.

  • Default: false

server_address

Address that nrpe should bind to in case there are more than one interface and you do not want nrpe to bind on all interfaces.

  • Default: '127.0.0.1'

nrpe_user

This determines the effective user that the NRPE daemon should run as.

  • Default: based on OS platform

nrpe_group

This determines the effective group that the NRPE daemon should run as.

  • Default: based on OS platform

allowed_hosts

Array of IP address or hostnames that are allowed to talk to the NRPE daemon.

  • Default: ['127.0.0.1']

dont_blame_nrpe

This option determines whether or not the NRPE daemon will allow clients to specify arguments to commands that are executed. 0=do not allow arguments, 1=allow command arguments.

  • Default: '0'

allow_bash_command_substitution

Determines whether or not the NRPE daemon will allow clients to specify arguments that contain bash command substitutions. 0=do not allow, 1=allow. Allowing is a HIGH SECURITY RISK.

  • Default: '0'

command_prefix_enable

Boolean to include command_prefix in nrpe.cfg.

  • Default: false

command_prefix

Prefix all commands with a user-defined string. Must be a fully qualified path.

  • Default: '/usr/bin/sudo'

debug

If debugging messages are logged to the syslog facility. Values: 0=debugging off, 1=debugging on

  • Default: '0'

command_timeout

Maximum number of seconds that the NRPE daemon will allow plugins to finish executing before killing them off.

  • Default: '60'

connection_timeout

Maximum number of seconds that the NRPE daemon will wait for a connection to be established before exiting.

  • Default: '300'

allow_weak_random_seed

Allows SSL even if your system does not have a /dev/random or /dev/urandom. Values: 0=only seed from /dev/[u]random, 1=also seed from weak randomness

  • Default: '0'

include_dir

Include definitions from config files (with a .cfg extension) recursively from specified directory.

  • Default: based on OS platform.

service_ensure

Value of ensure parameter for nrpe service. Valid values are 'running' and 'stopped'.

  • Default: 'running'

service_name

Value of name parameter for nrpe service.

  • Default: based on OS platform.

service_enable

Boolean value of enable parameter for nrpe service.

  • Default: true

hiera_merge_plugins

Boolean to control merges of all found instances of nrpe::plugins in Hiera. This is useful for specifying file resources at different levels of the hierarchy and having them all included in the catalog.

This will default to 'true' in future versions.

  • Default: false

plugins

Hash of plugins to be passed to nrpe::plugin with create_resources().

  • Default: undef

purge_plugins

Boolean to purge the nrpe.d directory of entries not managed by Puppet.

  • Default: false

===

Define nrpe::plugin

Creates a fragment in the sudoers.d directory with $name.cfg. Each matches the following layout, where $args are optional.

command[$name]=${libexecdir}/${plugin} $args

Usage

You can optionally specify a hash of nrpe plugins in Hiera.

---
nrpe::plugins:
  check_root_partition:
    plugin: 'check_disk'
    libexecdir: '/usr/lib64/nagios/plugins'
    args: '-w 20% -c 10% -p /'
  check_load:
    args: '-w 10,8,8 -c 12,10,9'
  check_myapp:

Parameters

ensure

Ensure the plugin exists. Valid values are present and absent.

  • Default: present

args

Arguments to pass to the plugin.

  • Default: undef

libexecdir

Directory in which nrpe plugin is stored.

  • Default: $nrpe::libexecdir, which is based on OS platform.

command_prefix

Prefix an individual plugin command with a user-defined string. Must be a fully qualified path. Set to USE_DEFAULTS to use the value from $nrpe::command_prefix (defaults to /usr/bin/sudo).

Please be careful when enabling $nrpe::command_prefix_enable and also setting nrpe::plugin::command_prefix.

  • Default: undef

plugin

Name of the plugin to be executed.

  • Default: $name