# 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 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
# | Change | User | Description | Committed | |
---|---|---|---|---|---|
#2 | 18706 | jenbottom | Moving some files aroudn to make things less messy and hopefully easier to find | ||
#1 | 18639 | jenbottom |
adding some configs for an OpenLDAP VM (from GitHub) and some more work to helix_setup_basic.sh script. Now the script should put all my sample configs in place, so I just need to login to the VM and subvmit them |