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Augeas or alternative XML modification on Windows

asked 2014-01-13 06:02:20 -0500

updated 2014-01-13 06:05:14 -0500

I need to have my Puppet manifests modify XML files, and Augeas seems to be the perfect tool for that. However, the target machines are Windows, and Augeas is not available on there :-(

  • How can I get Augeas up running on Windows? I do not have sufficient skills to compile the whole thing from scratch and resolve dependencies, etc., but perhaps others have tried to walk down that path?
  • Are there any alternative solutions for Puppet at Windows that allow me to specify an XML file, an XPATH expression, and a value so that the XML file can be patched?
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answered 2014-01-14 02:55:28 -0500

As @martezr also suggested I ended up writing a powershell script. I'm including it here in case anyone else is interested:

# The following line makes it possible to add an -Verbose arg. when invoking this script

param (
[string] $filename = $(throw "filename is a required parameter"),
[string] $xpath    = $(throw "xpath is a required parameter"),
[string] $value    = $(throw "value is a required parameter")

write-verbose "Received arguments:" 
write-verbose "filename:    ""$filename"""
write-verbose "xpath:       ""$xpath"""
write-verbose "value:       ""$value""`n"

$xml = [xml](Get-Content $filename)

try   {$nodes = $xml.SelectNodes($xpath)}
catch {}

if ($nodes.count -eq 0) {write-verbose "No match in XML file"}

    foreach ($node in ...
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This works great, but I found I had to invert the logic.

spuder gravatar imagespuder ( 2015-06-29 12:14:07 -0500 )edit

I re-wrote much of this script to be able to modify attributes and text. Sharing for posterity.

spuder gravatar imagespuder ( 2015-06-29 15:23:07 -0500 )edit

answered 2014-01-13 19:27:47 -0500

An alternative option would be utilizing powershell through the exec puppet resource

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Yes, quite right, and that was actually exactly what I ended up doing yesterday. It wasn't even that difficult 'cause powershell has very nice support for XML data.

MikaelBarfred gravatar imageMikaelBarfred ( 2014-01-14 02:45:55 -0500 )edit

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Asked: 2014-01-13 06:02:20 -0500

Seen: 2,114 times

Last updated: Jan 14 '14