lib/facter/framework/config/fact_groups.rb
# frozen_string_literal: true
require_relative '../../../facter/config'
module Facter
class FactGroups
attr_accessor :groups_ttls
attr_reader :groups, :block_list, :facts_ttls
STRING_TO_SECONDS = { 'ns' => 1.fdiv(1_000_000_000), 'nanos' => 1.fdiv(1_000_000_000),
'nanoseconds' => 1.fdiv(1_000_000_000),
'us' => 1.fdiv(1_000_000), 'micros' => 1.fdiv(1_000_000), 'microseconds' => 1.fdiv(1_000_000),
'' => 1.fdiv(1000), 'ms' => 1.fdiv(1000), 'milis' => 1.fdiv(1000),
'milliseconds' => 1.fdiv(1000),
's' => 1, 'seconds' => 1,
'm' => 60, 'minutes' => 60,
'h' => 3600, 'hours' => 3600,
'd' => 3600 * 24, 'days' => 3600 * 24 }.freeze
def initialize
@groups = Facter::Config::FACT_GROUPS.dup
load_groups
load_groups_from_options
load_facts_ttls
# Reverse sort facts so that children have precedence when caching. eg: os.macosx vs os
@facts_ttls = @facts_ttls.sort.reverse.to_h
end
# Breakes down blocked groups in blocked facts
def blocked_facts
fact_list = []
@block_list.each do |group_name|
# legacy is a special group and does not need to be broken into facts
next if group_name == 'legacy'
facts_for_block = @groups[group_name]
fact_list += facts_for_block || [group_name]
end
fact_list
end
# Get the group name a fact is part of
def get_fact_group(fact_name)
fact = get_fact(fact_name)
return fact[:group] if fact
# @groups.detect { |k, v| break k if Array(v).find { |f| fact_name =~ /^#{f}.*/ } }
@groups.detect do |k, v|
break k if Array(v).find { |f| fact_name.include?('.*') ? fact_name == f : fact_name =~ /^#{f}.*/ }
end
end
# Get config ttls for a given group
def get_group_ttls(group_name)
return unless (ttls = @groups_ttls.find { |g| g[group_name] })
ttls_to_seconds(ttls[group_name])
end
def get_fact(fact_name)
return @facts_ttls[fact_name] if @facts_ttls[fact_name]
result = @facts_ttls.select { |name, fact| break fact if /^#{name}\..*/.match?(fact_name) }
return nil if result == {}
result
end
private
def load_groups_from_options
Options.external_dir.each do |dir|
next unless Dir.exist?(dir)
ext_facts = Dir.entries(dir)
ext_facts.reject! { |ef| ef =~ /^(\.|\.\.)$/ }
ext_facts.each do |ef|
@groups[ef] = nil
end
end
end
def load_facts_ttls
@facts_ttls ||= {}
return if @groups_ttls == []
@groups_ttls.reduce(:merge).each do |group, ttls|
ttls = ttls_to_seconds(ttls)
if @groups[group]
@groups[group].each do |fact|
if (@facts_ttls[fact] && @facts_ttls[fact][:ttls] < ttls) || @facts_ttls[fact].nil?
@facts_ttls[fact] = { ttls: ttls, group: group }
end
end
else
@facts_ttls[group] = { ttls: ttls, group: group }
end
end
end
def load_groups
config = ConfigReader.init(Options[:config])
@block_list = config.block_list || []
@groups_ttls = config.ttls || []
@groups.merge!(config.fact_groups) if config.fact_groups
end
def ttls_to_seconds(ttls)
duration, unit = ttls.split(' ', 2)
unit = '' if duration && !unit
unit = append_s(unit)
seconds = STRING_TO_SECONDS[unit]
if seconds
(duration.to_i * seconds).to_i
else
log = Log.new(self)
log.error("Could not parse time unit #{unit} (try #{STRING_TO_SECONDS.keys.reject(&:empty?).join(', ')})")
nil
end
end
def append_s(unit)
return "#{unit}s" if unit.length > 2 && unit[-1] != 's'
unit
end
end
end