Ok I've run into one more issue I could use help with on this code. It
works fine when I'm running Puppet through Unicorn.. but when I run puppet
locally on our puppet servers via 'puppet apply', it fails with an import
error:
Error: Import loop detected at
/mnt/puppet/master/puppet-base/modules/nodes/node_puppet/manifests/test.pp:15
on node test-puppet-uswest2
Wrapped exception:
Import loop detected
Error: Import loop detected at
/mnt/puppet/master/puppet-base/modules/nodes/node_puppet/manifests/test.pp:15
on node test-puppet-uswest2
The line that is erroring out is this:
> parser =
Puppet::Parser::Parser.new(Puppet::Node::Environment.new(Puppet[:environment]))
I've confirmed that its really the Puppet::Parser::Parser.new() function
thats causing the issue. So obviously that probably means there is already
a parser object somewhere... and that it does not like to be created
multiple times. The question I've got is how can I change this line to
reference an already existing Parser object?
On Friday, February 22, 2013 12:26:59 PM UTC-8, Matt W wrote:
>
> Thanks... I ended up with this:
>
> > #
> > # my_puppet_doc.rb
> > #
> >
> > require 'puppet/util/rdoc'
> >
> > module Puppet::Parser::Functions
> > newfunction(:my_puppet_doc, :type => :rvalue, :doc => <<-EOS
> >
> > This function returns the 'puppet doc' header from the module
> > that called it. Usage:
> >
> > $doc = my_puppet_doc()
> >
> > EOS
> > ) do |args|
> > # Get the filename of the manifest that called us
> > f = source.file
> >
> > # Create a Puppet file parser object
> > parser =
> Puppet::Parser::Parser.new(Puppet::Node::Environment.new(Puppet[:environment]))
>
>
> > parser.file = f
> > ast = parser.parse
> >
> > # Now, for the manifest walk through it line by line and parse it.
> > # (taken from Puppet::Util::RDoc.output)
> > astobj = []
> > ast.instantiate('').each do |resource_type|
> > astobj << resource_type if resource_type.file == f
> > end
> >
> > # Now, grab the @doc object and return it
> > # TODO: Implement some clean parsing to remove the puppet doc
> formatting
> > return astobj[0].doc
> > end
> > end
>
> Its not perfect ... there are two big issues.
>
> 1. We manually walk through the puppet doc parsing process because the
> Puppet::Utils::RDoc class *always* outputs to console or file, rather than
> giving you an ability to just return the string.
> 2. I probably want to run the doc object through a parser to strip out the
> various control characters.
>
> Other than that, it allows us to add docs to our node MOTD files like
> this:
>
> motd::add { $name: content => my_puppet_doc() }
>
> --Matt
>
> On Feb 22, 2013, at 10:15 AM, Ken Barber <[email protected]> wrote:
>
> > I do this kind of thing here:
> >
> >
> https://github.com/puppetlabs/puppetlabs-kwalify/blob/master/lib/puppet/parser/functions/validate_resource.rb#L24
>
> >
> > ken.
> >
> > On Fri, Feb 22, 2013 at 6:05 PM, Matt W <[email protected]> wrote:
> >> I'm trying to create a function that I can call in a manifest like
> this:
> >>
> >> $doc = doc('apache::service')
> >>
> >> In the function, I want it to actually find the filename for the
> >> 'apache::service' class... from there, I'm going to run some code that
> will
> >> generate the puppet-doc in text format, and then return it in a
> variable.
> >> Ultimately this is so that I can have nodes self-document themselves.
> >>
> >> Right now I'm stuck on figuring out the filename from the classname
> though.
> >> Anyone have any tips on this? Is there a function in the Puppet ruby
> code
> >> somewhere that will translate a class-name into a file path?
> >>
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