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Viewing changes to lib/puppet/node/environment.rb

  • Committer: Bazaar Package Importer
  • Author(s): Chuck Short
  • Date: 2009-12-23 00:48:10 UTC
  • mfrom: (1.1.10 upstream) (3.1.7 squeeze)
  • Revision ID: james.westby@ubuntu.com-20091223004810-3i4oryds922g5n59
Tags: 0.25.1-3ubuntu1
* Merge from debian testing.  Remaining changes:
  - debian/rules:
    + Don't start puppet when first installing puppet.
  - debian/puppet.conf, lib/puppet/defaults.rb:
    + Move templates to /etc/puppet
  - lib/puppet/defaults.rb:
    + Fix /var/lib/puppet/state ownership.
  - man/man8/puppet.conf.8: 
    + Fix broken URL in manpage.
  - debian/control:
    + Update maintainer accordint to spec.
    + Puppetmaster Recommends -> Suggests
    + Created puppet-testsuite as a seperate. Allow the users to run puppet's 
      testsuite.
  - tests/Rakefile: Fix rakefile so that the testsuite can acutally be ran.

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lib/puppet/node/environment.rb
 
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require 'puppet/util/cacher'
 
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# Just define it, so this class has fewer load dependencies.
 
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class Puppet::Node
 
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end
 
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# Model the environment that a node can operate in.  This class just
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# provides a simple wrapper for the functionality around environments.
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class Puppet::Node::Environment
 
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    include Puppet::Util::Cacher
 
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    @seen = {}
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    # Return an existing environment instance, or create a new one.
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        @seen[symbol] = obj
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    end
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    # This is only used for testing.
 
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    def self.clear
 
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        @seen.clear
 
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    end
 
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    attr_reader :name
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    # Return an environment-specific setting.
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    def initialize(name)
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        @name = name
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    end
 
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    def module(name)
 
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        mod = Puppet::Module.new(name, self)
 
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        return nil unless mod.exist?
 
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        return mod
 
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    end
 
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    # Cache the modulepath, so that we aren't searching through
 
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    # all known directories all the time.
 
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    cached_attr(:modulepath, :ttl => Puppet[:filetimeout]) do
 
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        dirs = self[:modulepath].split(File::PATH_SEPARATOR)
 
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        if ENV["PUPPETLIB"]
 
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            dirs = ENV["PUPPETLIB"].split(File::PATH_SEPARATOR) + dirs
 
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        end
 
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        dirs.collect do |dir|
 
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            if dir !~ /^#{File::SEPARATOR}/
 
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                File.join(Dir.getwd, dir)
 
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            else
 
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                dir
 
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            end
 
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        end.find_all do |p|
 
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            p =~ /^#{File::SEPARATOR}/ && FileTest.directory?(p)
 
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        end
 
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    end
 
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    # Return all modules from this environment.
 
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    # Cache the list, because it can be expensive to create.
 
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    cached_attr(:modules, :ttl => Puppet[:filetimeout]) do
 
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        module_names = modulepath.collect { |path| Dir.entries(path) }.flatten.uniq
 
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        module_names.collect { |path| Puppet::Module.new(path, self) rescue nil }.compact
 
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    end
 
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    def to_s
 
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        name.to_s
 
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    end
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end