class Facter::FactManager

Public Class Methods

new() click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 7
def initialize
  @internal_fact_mgr = InternalFactManager.new
  @external_fact_mgr = ExternalFactManager.new
  @fact_loader = FactLoader.instance
  @log = Log.new(self)
end

Public Instance Methods

resolve_core(user_query = []) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 38
def resolve_core(user_query = [])
  loaded_facts_hash = @fact_loader.internal_facts

  searched_facts = QueryParser.parse(user_query, loaded_facts_hash)
  resolved_facts = @internal_fact_mgr.resolve_facts(searched_facts)
  FactFilter.new.filter_facts!(resolved_facts)

  resolved_facts
end
resolve_facts(user_query = []) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 19
def resolve_facts(user_query = [])
  searched_facts = parse_user_query(user_query)

  cache_manager = Facter::CacheManager.new
  searched_facts, cached_facts = cache_manager.resolve_facts(searched_facts)
  internal_facts = @internal_fact_mgr.resolve_facts(searched_facts)
  external_facts = @external_fact_mgr.resolve_facts(searched_facts)

  resolved_facts = override_core_facts(internal_facts, external_facts)

  resolved_facts = resolved_facts.concat(cached_facts)
  cache_manager.cache_facts(resolved_facts)

  FactFilter.new.filter_facts!(resolved_facts)

  log_resolved_facts(resolved_facts)
  resolved_facts
end
searched_facts(user_query = []) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 14
def searched_facts(user_query = [])
  loaded_facts = @fact_loader.load(Options.get)
  QueryParser.parse(user_query, loaded_facts)
end

Private Instance Methods

log_resolved_facts(resolved_facts) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 70
def log_resolved_facts(resolved_facts)
  resolved_facts.each do |fact|
    @log.debug("fact \"#{fact.name}\" has resolved to: #{fact.value}") unless fact.value.nil?
  end
end
override_core_facts(core_facts, custom_facts) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 56
def override_core_facts(core_facts, custom_facts)
  return core_facts unless custom_facts

  custom_facts.each do |custom_fact|
    core_facts.delete_if { |core_fact| root_fact_name(core_fact) == custom_fact.name }
  end

  core_facts + custom_facts
end
parse_user_query(user_query) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 50
def parse_user_query(user_query)
  loaded_facts = @fact_loader.load(Options.get)

  QueryParser.parse(user_query, loaded_facts)
end
root_fact_name(fact) click to toggle source
# File lib/facter/framework/core/fact_manager.rb, line 66
def root_fact_name(fact)
  fact.name.split('.').first
end