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concat

Construct files from multiple fragments.
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Version information

  • 9.0.2 (latest)
  • 9.0.1
  • 9.0.0
  • 8.0.1
  • 8.0.0
  • 7.4.0
  • 7.3.3
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  • 7.0.1
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  • 6.1.0
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  • 4.0.1
  • 4.0.0
  • 3.0.0
  • 2.2.1
  • 2.2.0
  • 2.1.0
  • 2.0.1 (deleted)
  • 2.0.0 (deleted)
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  • 1.2.1
  • 1.2.0
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  • 1.1.0-rc1 (pre-release)
  • 1.0.4
  • 1.0.3
  • 1.0.2
  • 1.0.1
  • 1.0.0
  • 1.0.0-rc1 (pre-release)
released Jan 26th 2016
This version is compatible with:
  • Puppet Enterprise >= 3.7.0 < 2015.4.0
  • Puppet >= 3.0.0 < 5.0.0
  • , , , , , , , , , ,

Start using this module

  • r10k or Code Manager
  • Bolt
  • Manual installation
  • Direct download

Add this module to your Puppetfile:

mod 'puppetlabs-concat', '2.1.0'
Learn more about managing modules with a Puppetfile

Add this module to your Bolt project:

bolt module add puppetlabs-concat
Learn more about using this module with an existing project

Manually install this module globally with Puppet module tool:

puppet module install puppetlabs-concat --version 2.1.0

Direct download is not typically how you would use a Puppet module to manage your infrastructure, but you may want to download the module in order to inspect the code.

Download
Tags: files, concat, templates, fragments

Documentation

puppetlabs/concat — version 2.1.0 Jan 26th 2016

#concat

####Table of Contents

  1. Overview
  2. Module Description - What the module does and why it is useful
  3. Setup - The basics of getting started with concat
  4. Usage - Configuration options and additional functionality
  5. Reference - An under-the-hood peek at what the module is doing and how
  6. Limitations - OS compatibility, etc.
  7. Development - Guide for contributing to the module

##Overview

The concat module lets you construct files from multiple ordered fragments of text.

##Module Description

The concat module lets you gather concat::fragment resources from your other modules and order them into a coherent file through a single concat resource.

###Beginning with concat

To start using concat you need to create:

  • A concat{} resource for the final file.
  • One or more concat::fragment{}s.

A minimal example might be:

concat { '/tmp/file':
  ensure => present,
}

concat::fragment { 'tmpfile':
  target  => '/tmp/file',
  content => 'test contents',
  order   => '01'
}

##Usage

###Maintain a list of the major modules on a node

To maintain an motd file that lists the modules on one of your nodes, first create a class to frame up the file:

class motd {
  $motd = '/etc/motd'

  concat { $motd:
    owner => 'root',
    group => 'root',
    mode  => '0644'
  }

  concat::fragment{ 'motd_header':
    target  => $motd,
    content => "\nPuppet modules on this server:\n\n",
    order   => '01'
  }

  # let local users add to the motd by creating a file called
  # /etc/motd.local
  concat::fragment{ 'motd_local':
    target => $motd,
    source => '/etc/motd.local',
    order  => '15'
  }
}

# let other modules register themselves in the motd
define motd::register($content="", $order='10') {
  if $content == "" {
    $body = $name
  } else {
    $body = $content
  }

  concat::fragment{ "motd_fragment_$name":
    target  => '/etc/motd',
    order   => $order,
    content => "    -- $body\n"
  }
}

Then, in the declarations for each module on the node, add motd::register{ 'Apache': } to register the module in the motd.

class apache {
  include apache::install, apache::config, apache::service

  motd::register{ 'Apache': }
}

These two steps populate the /etc/motd file with a list of the installed and registered modules, which stays updated even if you just remove the registered modules' include lines. System administrators can append text to the list by writing to /etc/motd.local.

When you're finished, the motd file will look something like this:

  Puppet modules on this server:

    -- Apache
    -- MySQL

  <contents of /etc/motd.local>

##Reference

###Defines

  • concat: Manages a file, compiled from one or more text fragments.
  • concat::fragment: Manages a fragment of text to be compiled into a file.

###Types

  • concat_file: Generates a file with content from fragments sharing a common unique tag.
  • concat_fragment: Manages the fragment.

###Parameters

####Define: concat

All the parameters listed below are optional.

#####backup

Specifies whether (and how) to back up the destination file before overwriting it. Your value gets passed on to Puppet's native file resource for execution. Valid options: 'true', 'false', or a string representing either a target filebucket or a filename extension beginning with ".". Default value: 'puppet'.

#####backup_fragments

Specifies whether to backup concat fragments using the backup setting of the target concat file. Valid options: 'true' and 'false'. Default value: 'false'.

#####ensure

Specifies whether the destination file should exist. Setting to 'absent' tells Puppet to delete the destination file if it exists, and negates the effect of any other parameters. Valid options: 'present' and 'absent'. Default value: 'present'.

#####ensure_newline

Specifies whether to add a line break at the end of each fragment that doesn't already end in one. Valid options: 'true' and 'false'. Default value: 'false'.

#####force

Deprecated as of concat v2.0.0. Has no effect.

#####group

Specifies a permissions group for the destination file. Valid options: a string containing a group name. Default value: undefined.

#####mode

Specifies the permissions mode of the destination file. Valid options: a string containing a permission mode value in octal notation. Default value: '0644'.

#####order

Specifies a method for sorting your fragments by name within the destination file. Valid options: 'alpha' (e.g., '1, 10, 2') or 'numeric' (e.g., '1, 2, 10'). Default value: 'alpha'.

You can override this setting for individual fragments by adjusting the order parameter in their concat::fragment declarations.

#####owner

Specifies the owner of the destination file. Valid options: a string containing a username. Default value: undefined.

#####path

Specifies a destination file for the combined fragments. Valid options: a string containing an absolute path. Default value: the title of your declared resource.

#####replace

Specifies whether to overwrite the destination file if it already exists. Valid options: 'true' and 'false'. Default value: 'true'.

#####show_diff

Specifies whether to set the show_diff parameter for the file resource. Useful for hiding secrets stored in hiera from insecure reporting methods. Valid options: 'true'.

#####validate_cmd

Specifies a validation command to apply to the destination file. Requires Puppet version 3.5 or newer. Valid options: a string to be passed to a file resource. Default value: undefined.

#####warn

Specifies whether to add a header message at the top of the destination file. Valid options: the booleans 'true' and 'false', or a string to serve as the header. Default value: 'false'.

If you set 'warn' to 'true', concat adds the following line with an order of 0:

# This file is managed by Puppet. DO NOT EDIT.

Before 2.0.0, this parameter would add a newline at the end of the warn message. To improve flexibilty, this was removed. Please add it explicitly if you need it.

#####selinux_ignore_defaults

See the file type's selinux_ignore_defaults documentention.

#####selrange

See the file type's selrange documentention.

#####selrole

See the file type's selrole documentention.

#####seltype

See the file type's seltype documentention.

#####seluser

See the file type's seluser documentention.

####Define: concat::fragment

Except where noted, all the below parameters are optional.

#####content

Supplies the content of the fragment. Note: You must supply either a content parameter or a source parameter. Valid options: a string. Default value: undef.

#####ensure

Deprecated as of concat v2.0.0. Has no effect.

#####order

Reorders your fragments within the destination file. Fragments that share the same order number are ordered by name. Valid options: a string (recommended) or an integer. Default value: '10'.

#####source

Specifies a file to read into the content of the fragment. Note: You must supply either a content parameter or a source parameter. Valid options: a string or an array, containing one or more Puppet URLs. Default value: undefined.

#####target

Required. Specifies the destination file of the fragment. Valid options: a string containing the title of the parent concat resource.

####Type: concat_file

#####backup

Specifies whether (and how) to back up the destination file before overwriting it. Your value gets passed on to Puppet's native file resource for execution. Valid options: 'true', 'false', or a string representing either a target filebucket or a filename extension beginning with ".". Default value: 'puppet'.

#####ensure

Specifies whether the destination file should exist. Setting to 'absent' tells Puppet to delete the destination file if it exists, and negates the effect of any other parameters. Valid options: 'present' and 'absent'. Default value: 'present'.

#####ensure_newline

Specifies whether to add a line break at the end of each fragment that doesn't already end in one. Valid options: 'true' and 'false'. Default value: 'false'.

#####group

Specifies a permissions group for the destination file. Valid options: a string containing a group name. Default value: undefined.

#####mode

Specifies the permissions mode of the destination file. Valid options: a string containing a permission mode value in octal notation. Default value: '0644'.

#####order

Specifies a method for sorting your fragments by name within the destination file. Valid options: 'alpha' (e.g., '1, 10, 2') or 'numeric' (e.g., '1, 2, 10'). Default value: 'numeric'.

You can override this setting for individual fragments by adjusting the order parameter in their concat::fragment declarations.

#####owner

Specifies the owner of the destination file. Valid options: a string containing a username. Default value: undefined.

#####path

Specifies a destination file for the combined fragments. Valid options: a string containing an absolute path. Default value: the title of your declared resource.

#####replace

Specifies whether to overwrite the destination file if it already exists. Valid options: 'true' and 'false'. Default value: 'true'.

####tag

Required. Specifies a unique tag reference to collect all concat_fragments with the same tag.

#####validate_cmd

Specifies a validation command to apply to the destination file. Requires Puppet version 3.5 or newer. Valid options: a string to be passed to a file resource. Default value: undefined.

####Type: concat_fragment

#####content

Supplies the content of the fragment. Note: You must supply either a content parameter or a source parameter. Valid options: a string. Default value: undef.

#####order

Reorders your fragments within the destination file. Fragments that share the same order number are ordered by name. Valid options: a string (recommended) or an integer. Default value: '10'.

#####source

Specifies a file to read into the content of the fragment. Note: You must supply either a content parameter or a source parameter. Valid options: a string or an array, containing one or more Puppet URLs. Default value: undefined.

#####tag

Required. Specifies a unique tag to be used by concat_file to reference and collect content.

#####target

Required. Specifies the destination file of the fragment. Valid options: a string containing the title of the parent concat_file resource.

###Removed functionality

The following functionality existed in previous versions of the concat module, but was removed in version 2.0.0:

Parameters removed from concat::fragment:

  • gnu
  • backup
  • group
  • mode
  • owner

The concat::setup class has also been removed.

Prior to concat version 2.0.0, if you set the warn parameter to a string value of 'true', 'false', 'yes', 'no', 'on', or 'off', the module translated the string to the corresponding boolean value. In concat version 2.0.0 and newer, the warn_header parameter treats those values the same as other strings and uses them as the content of your header message. To avoid that, pass the 'true' and 'false' values as booleans instead of strings.

##Limitations

This module has been tested on all PE-supported platforms, and no issues have been identified.

##Development

Puppet Labs modules on the Puppet Forge are open projects, and community contributions are essential for keeping them great. We can't access the huge number of platforms and myriad of hardware, software, and deployment configurations that Puppet is intended to serve.

We want to keep it as easy as possible to contribute changes so that our modules work in your environment. There are a few guidelines that we need contributors to follow so that we can have a chance of keeping on top of things.

For more information, see our module contribution guide.

###Contributors

Richard Pijnenburg (@Richardp82)

Joshua Hoblitt (@jhoblitt)

More contributors.