Added modules

modules/stdlib/lib/facter/facter_dot_d.rb

@@ -0,0 +1,202 @@
+# A Facter plugin that loads facts from /etc/facter/facts.d
+# and /etc/puppetlabs/facter/facts.d.
+#
+# Facts can be in the form of JSON, YAML or Text files
+# and any executable that returns key=value pairs.
+#
+# In the case of scripts you can also create a file that
+# contains a cache TTL.  For foo.sh store the ttl as just
+# a number in foo.sh.ttl
+#
+# The cache is stored in /tmp/facts_cache.yaml as a mode
+# 600 file and will have the end result of not calling your
+# fact scripts more often than is needed
+
+class Facter::Util::DotD
+  require 'yaml'
+
+  def initialize(dir="/etc/facts.d", cache_file="/tmp/facts_cache.yml")
+    @dir = dir
+    @cache_file = cache_file
+    @cache = nil
+    @types = {".txt" => :txt, ".json" => :json, ".yaml" => :yaml}
+  end
+
+  def entries
+    Dir.entries(@dir).reject{|f| f =~ /^\.|\.ttl$/}.sort.map {|f| File.join(@dir, f) }
+  rescue
+    []
+  end
+
+  def fact_type(file)
+    extension = File.extname(file)
+
+    type = @types[extension] || :unknown
+
+    type = :script if type == :unknown && File.executable?(file)
+
+    return type
+  end
+
+  def txt_parser(file)
+    File.readlines(file).each do |line|
+      if line =~ /^([^=]+)=(.+)$/
+        var = $1; val = $2
+
+        Facter.add(var) do
+          setcode { val }
+        end
+      end
+    end
+  rescue Exception => e
+    Facter.warn("Failed to handle #{file} as text facts: #{e.class}: #{e}")
+  end
+
+  def json_parser(file)
+    begin
+      require 'json'
+    rescue LoadError
+      retry if require 'rubygems'
+      raise
+    end
+
+    JSON.load(File.read(file)).each_pair do |f, v|
+      Facter.add(f) do
+        setcode { v }
+      end
+    end
+  rescue Exception => e
+    Facter.warn("Failed to handle #{file} as json facts: #{e.class}: #{e}")
+  end
+
+  def yaml_parser(file)
+    require 'yaml'
+
+    YAML.load_file(file).each_pair do |f, v|
+      Facter.add(f) do
+        setcode { v }
+      end
+    end
+  rescue Exception => e
+    Facter.warn("Failed to handle #{file} as yaml facts: #{e.class}: #{e}")
+  end
+
+  def script_parser(file)
+    result = cache_lookup(file)
+    ttl = cache_time(file)
+
+    unless result
+      result = Facter::Util::Resolution.exec(file)
+
+      if ttl > 0
+        Facter.debug("Updating cache for #{file}")
+        cache_store(file, result)
+        cache_save!
+      end
+    else
+      Facter.debug("Using cached data for #{file}")
+    end
+
+    result.split("\n").each do |line|
+      if line =~ /^(.+)=(.+)$/
+        var = $1; val = $2
+
+        Facter.add(var) do
+          setcode { val }
+        end
+      end
+    end
+  rescue Exception => e
+    Facter.warn("Failed to handle #{file} as script facts: #{e.class}: #{e}")
+    Facter.debug(e.backtrace.join("\n\t"))
+  end
+
+  def cache_save!
+    cache = load_cache
+    File.open(@cache_file, "w", 0600) {|f| f.write(YAML.dump(cache)) }
+  rescue
+  end
+
+  def cache_store(file, data)
+    load_cache
+
+    @cache[file] = {:data => data, :stored => Time.now.to_i}
+  rescue
+  end
+
+  def cache_lookup(file)
+    cache = load_cache
+
+    return nil if cache.empty?
+
+    ttl = cache_time(file)
+
+    if cache[file]
+      now = Time.now.to_i
+
+      return cache[file][:data] if ttl == -1
+      return cache[file][:data] if (now - cache[file][:stored]) <= ttl
+      return nil
+    else
+      return nil
+    end
+  rescue
+    return nil
+  end
+
+  def cache_time(file)
+    meta = file + ".ttl"
+
+    return File.read(meta).chomp.to_i
+  rescue
+    return 0
+  end
+
+  def load_cache
+    unless @cache
+      if File.exist?(@cache_file)
+        @cache = YAML.load_file(@cache_file)
+      else
+        @cache = {}
+      end
+    end
+
+    return @cache
+  rescue
+    @cache = {}
+    return @cache
+  end
+
+  def create
+    entries.each do |fact|
+      type = fact_type(fact)
+      parser = "#{type}_parser"
+
+      if respond_to?("#{type}_parser")
+        Facter.debug("Parsing #{fact} using #{parser}")
+
+        send(parser, fact)
+      end
+    end
+  end
+end
+
+
+mdata = Facter.version.match(/(\d+)\.(\d+)\.(\d+)/)
+if mdata
+  (major, minor, patch) = mdata.captures.map { |v| v.to_i }
+  if major < 2
+    # Facter 1.7 introduced external facts support directly
+    unless major == 1 and minor > 6
+      Facter::Util::DotD.new("/etc/facter/facts.d").create
+      Facter::Util::DotD.new("/etc/puppetlabs/facter/facts.d").create
+
+      # Windows has a different configuration directory that defaults to a vendor
+      # specific sub directory of the %COMMON_APPDATA% directory.
+      if Dir.const_defined? 'COMMON_APPDATA' then
+        windows_facts_dot_d = File.join(Dir::COMMON_APPDATA, 'PuppetLabs', 'facter', 'facts.d')
+        Facter::Util::DotD.new(windows_facts_dot_d).create
+      end
+    end
+  end
+end

modules/stdlib/lib/facter/pe_version.rb

@@ -0,0 +1,53 @@
+# Fact: is_pe, pe_version, pe_major_version, pe_minor_version, pe_patch_version
+#
+# Purpose: Return various facts about the PE state of the system
+#
+# Resolution: Uses a regex match against puppetversion to determine whether the
+#   machine has Puppet Enterprise installed, and what version (overall, major,
+#   minor, patch) is installed.
+#
+# Caveats:
+#
+Facter.add("pe_version") do
+  setcode do
+    pe_ver = Facter.value("puppetversion").match(/Puppet Enterprise (\d+\.\d+\.\d+)/)
+    pe_ver[1] if pe_ver
+  end
+end
+
+Facter.add("is_pe") do
+  setcode do
+    if Facter.value(:pe_version).to_s.empty? then
+      false
+    else
+      true
+    end
+  end
+end
+
+Facter.add("pe_major_version") do
+  confine :is_pe => true
+  setcode do
+    if pe_version = Facter.value(:pe_version)
+      pe_version.to_s.split('.')[0]
+    end
+  end
+end
+
+Facter.add("pe_minor_version") do
+  confine :is_pe => true
+  setcode do
+    if pe_version = Facter.value(:pe_version)
+      pe_version.to_s.split('.')[1]
+    end
+  end
+end
+
+Facter.add("pe_patch_version") do
+  confine :is_pe => true
+  setcode do
+    if pe_version = Facter.value(:pe_version)
+      pe_version.to_s.split('.')[2]
+    end
+  end
+end

modules/stdlib/lib/facter/puppet_vardir.rb

@@ -0,0 +1,26 @@
+# This facter fact returns the value of the Puppet vardir setting for the node
+# running puppet or puppet agent.  The intent is to enable Puppet modules to
+# automatically have insight into a place where they can place variable data,
+# regardless of the node's platform.
+#
+# The value should be directly usable in a File resource path attribute.
+
+
+begin
+  require 'facter/util/puppet_settings'
+rescue LoadError => e
+  # puppet apply does not add module lib directories to the $LOAD_PATH (See
+  # #4248). It should (in the future) but for the time being we need to be
+  # defensive which is what this rescue block is doing.
+  rb_file = File.join(File.dirname(__FILE__), 'util', 'puppet_settings.rb')
+  load rb_file if File.exists?(rb_file) or raise e
+end
+
+Facter.add(:puppet_vardir) do
+  setcode do
+    # This will be nil if Puppet is not available.
+    Facter::Util::PuppetSettings.with_puppet do
+      Puppet[:vardir]
+    end
+  end
+end

modules/stdlib/lib/facter/root_home.rb

@@ -0,0 +1,32 @@
+# A facter fact to determine the root home directory.
+# This varies on PE supported platforms and may be
+# reconfigured by the end user.
+
+module Facter::Util::RootHome
+  class << self
+  def get_root_home
+    root_ent = Facter::Util::Resolution.exec("getent passwd root")
+    # The home directory is the sixth element in the passwd entry
+    # If the platform doesn't have getent, root_ent will be nil and we should
+    # return it straight away.
+    root_ent && root_ent.split(":")[5]
+  end
+  end
+end
+
+Facter.add(:root_home) do
+  setcode { Facter::Util::RootHome.get_root_home }
+end
+
+Facter.add(:root_home) do
+  confine :kernel => :darwin
+  setcode do
+    str = Facter::Util::Resolution.exec("dscacheutil -q user -a name root")
+    hash = {}
+    str.split("\n").each do |pair|
+      key,value = pair.split(/:/)
+      hash[key] = value
+    end
+    hash['dir'].strip
+  end
+end

modules/stdlib/lib/facter/util/puppet_settings.rb

@@ -0,0 +1,21 @@
+module Facter
+  module Util
+    module PuppetSettings
+      # This method is intended to provide a convenient way to evaluate a
+      # Facter code block only if Puppet is loaded.  This is to account for the
+      # situation where the fact happens to be in the load path, but Puppet is
+      # not loaded for whatever reason.  Perhaps the user is simply running
+      # facter without the --puppet flag and they happen to be working in a lib
+      # directory of a module.
+      def self.with_puppet
+        begin
+          Module.const_get("Puppet")
+        rescue NameError
+          nil
+        else
+          yield
+        end
+      end
+    end
+  end
+end