Module: Facter

Includes:
ApiDebugger
Defined in:
lib/facter/custom_facts/util/fact.rb,
lib/facter.rb,
lib/facter/version.rb,
lib/facter/resolvers/ec2.rb,
lib/facter/resolvers/gce.rb,
lib/facter/resolvers/xen.rb,
lib/facter/resolvers/zfs.rb,
lib/facter/resolvers/lspci.rb,
lib/facter/resolvers/zpool.rb,
lib/facter/resolvers/vmware.rb,
lib/facter/util/file_helper.rb,
lib/facter/framework/cli/cli.rb,
lib/facter/resolvers/aix/nim.rb,
lib/facter/resolvers/open_vz.rb,
lib/facter/models/loaded_fact.rb,
lib/facter/resolvers/aix/disks.rb,
lib/facter/resolvers/utils/ssh.rb,
lib/facter/resolvers/virt_what.rb,
lib/facter/models/resolved_fact.rb,
lib/facter/models/searched_fact.rb,
lib/facter/resolvers/aix/memory.rb,
lib/facter/resolvers/containers.rb,
lib/facter/resolvers/dmi_decode.rb,
lib/facter/resolvers/partitions.rb,
lib/facter/resolvers/utils/http.rb,
lib/facter/framework/utils/utils.rb,
lib/facter/resolvers/solaris/dmi.rb,
lib/facter/resolvers/windows/ssh.rb,
lib/facter/framework/core/options.rb,
lib/facter/models/fact_collection.rb,
lib/facter/resolvers/dmi_resolver.rb,
lib/facter/resolvers/solaris/ldom.rb,
lib/facter/resolvers/solaris/zone.rb,
lib/facter/resolvers/ssh_resolver.rb,
lib/facter/facts_utils/facts_utils.rb,
lib/facter/resolvers/base_resolver.rb,
lib/facter/resolvers/disk_resolver.rb,
lib/facter/resolvers/load_averages.rb,
lib/facter/resolvers/lpar_resolver.rb,
lib/facter/resolvers/path_resolver.rb,
lib/facter/resolvers/ruby_resolver.rb,
lib/facter/resolvers/solaris/disks.rb,
lib/facter/resolvers/wpar_resolver.rb,
lib/facter/framework/logging/logger.rb,
lib/facter/resolvers/aix/partitions.rb,
lib/facter/resolvers/aix/processors.rb,
lib/facter/resolvers/bsd/processors.rb,
lib/facter/resolvers/debian_version.rb,
lib/facter/resolvers/solaris/memory.rb,
lib/facter/resolvers/uname_resolver.rb,
lib/facter/facts_utils/uptime_parser.rb,
lib/facter/resolvers/aix/mountpoints.rb,
lib/facter/resolvers/augeas_resolver.rb,
lib/facter/resolvers/memory_resolver.rb,
lib/facter/resolvers/solaris/ffi/ffi.rb,
lib/facter/resolvers/uptime_resolver.rb,
lib/facter/facts_utils/unit_converter.rb,
lib/facter/framework/core/fact_filter.rb,
lib/facter/resolvers/aix/serialnumber.rb,
lib/facter/resolvers/selinux_resolver.rb,
lib/facter/resolvers/sw_vers_resolver.rb,
lib/facter/custom_facts/core/aggregate.rb,
lib/facter/custom_facts/core/execution.rb,
lib/facter/framework/core/fact_manager.rb,
lib/facter/resolvers/aio_agent_version.rb,
lib/facter/resolvers/hostname_resolver.rb,
lib/facter/resolvers/identity_resolver.rb,
lib/facter/resolvers/os_level_resolver.rb,
lib/facter/resolvers/solaris/dmi_sparc.rb,
lib/facter/resolvers/solaris/ipaddress.rb,
lib/facter/resolvers/solaris/zone_name.rb,
lib/facter/resolvers/timezone_resolver.rb,
lib/facter/resolvers/utils/fingerprint.rb,
lib/facter/custom_facts/util/resolution.rb,
lib/facter/framework/benchmarking/timer.rb,
lib/facter/framework/config/fact_groups.rb,
lib/facter/framework/core/cache_manager.rb,
lib/facter/framework/core/session_cache.rb,
lib/facter/resolvers/aix/ffi/ffi_helper.rb,
lib/facter/resolvers/bsd/ffi/ffi_helper.rb,
lib/facter/resolvers/freebsd/processors.rb,
lib/facter/resolvers/solaris/networking.rb,
lib/facter/resolvers/solaris/os_release.rb,
lib/facter/resolvers/solaris/processors.rb,
lib/facter/framework/core/fact_augmenter.rb,
lib/facter/resolvers/aix/utils/odm_query.rb,
lib/facter/resolvers/linux/docker_uptime.rb,
lib/facter/resolvers/linux/load_averages.rb,
lib/facter/resolvers/macosx/dmi_resolver.rb,
lib/facter/resolvers/networking_resolver.rb,
lib/facter/resolvers/os_release_resolver.rb,
lib/facter/resolvers/processors_resolver.rb,
lib/facter/resolvers/solaris/ffi/structs.rb,
lib/facter/resolvers/solaris/filesystems.rb,
lib/facter/resolvers/utils/uptime_helper.rb,
lib/facter/framework/config/config_reader.rb,
lib/facter/framework/parsers/query_parser.rb,
lib/facter/resolvers/eos_release_resolver.rb,
lib/facter/resolvers/filesystems_resolver.rb,
lib/facter/resolvers/freebsd/dmi_resolver.rb,
lib/facter/resolvers/lsb_release_resolver.rb,
lib/facter/resolvers/mountpoints_resolver.rb,
lib/facter/framework/detector/os_hierarchy.rb,
lib/facter/resolvers/aix/hardware_resolver.rb,
lib/facter/resolvers/aix/os_level_resolver.rb,
lib/facter/resolvers/fips_enabled_resolver.rb,
lib/facter/resolvers/freebsd/geom_resolver.rb,
lib/facter/resolvers/solaris/ffi/functions.rb,
lib/facter/resolvers/suse_release_resolver.rb,
lib/facter/resolvers/windows/fips_resolver.rb,
lib/facter/custom_facts/core/execution/base.rb,
lib/facter/resolvers/facterversion_resolver.rb,
lib/facter/resolvers/freebsd/ffi/ffi_helper.rb,
lib/facter/custom_facts/core/execution/posix.rb,
lib/facter/resolvers/aix/filesystem_resolver.rb,
lib/facter/resolvers/aix/networking_resolver.rb,
lib/facter/resolvers/puppet_version_resolver.rb,
lib/facter/resolvers/redhat_release_resolver.rb,
lib/facter/resolvers/utils/ffi/load_averages.rb,
lib/facter/resolvers/utils/filesystem_helper.rb,
lib/facter/resolvers/windows/kernel_resolver.rb,
lib/facter/resolvers/windows/memory_resolver.rb,
lib/facter/resolvers/windows/netkvm_resolver.rb,
lib/facter/resolvers/windows/uptime_resolver.rb,
lib/facter/facts_utils/windows_release_finder.rb,
lib/facter/resolvers/aix/utils/info_extractor.rb,
lib/facter/custom_facts/core/execution/windows.rb,
lib/facter/framework/core/options/option_store.rb,
lib/facter/resolvers/aix/architecture_resolver.rb,
lib/facter/resolvers/macosx/processor_resolver.rb,
lib/facter/resolvers/networking_linux_resolver.rb,
lib/facter/resolvers/windows/aio_agent_version.rb,
lib/facter/resolvers/windows/dmi_bios_resolver.rb,
lib/facter/resolvers/windows/identity_resolver.rb,
lib/facter/resolvers/windows/system32_resolver.rb,
lib/facter/resolvers/aix/load_averages_resolver.rb,
lib/facter/framework/formatters/formatter_helper.rb,
lib/facter/resolvers/macosx/filesystems_resolver.rb,
lib/facter/resolvers/macosx/mountpoints_resolver.rb,
lib/facter/resolvers/macosx/swap_memory_resolver.rb,
lib/facter/resolvers/windows/networking_resolver.rb,
lib/facter/resolvers/windows/processors_resolver.rb,
lib/facter/framework/core/fact/internal/core_fact.rb,
lib/facter/framework/formatters/formatter_factory.rb,
lib/facter/resolvers/freebsd/swap_memory_resolver.rb,
lib/facter/framework/core/fact_loaders/fact_loader.rb,
lib/facter/resolvers/macosx/load_averages_resolver.rb,
lib/facter/resolvers/macosx/system_memory_resolver.rb,
lib/facter/framework/core/options/options_validator.rb,
lib/facter/framework/formatters/json_fact_formatter.rb,
lib/facter/framework/formatters/yaml_fact_formatter.rb,
lib/facter/resolvers/freebsd/system_memory_resolver.rb,
lib/facter/framework/formatters/hocon_fact_formatter.rb,
lib/facter/resolvers/macosx/system_profiler_resolver.rb,
lib/facter/resolvers/windows/virtualization_resolver.rb,
lib/facter/framework/core/options/config_file_options.rb,
lib/facter/framework/formatters/legacy_fact_formatter.rb,
lib/facter/resolvers/freebsd/freebsd_version_resolver.rb,
lib/facter/resolvers/windows/product_release_resolver.rb,
lib/facter/framework/core/fact_loaders/class_discoverer.rb,
lib/facter/resolvers/windows/dmi_computersystem_resolver.rb,
lib/facter/resolvers/windows/win_os_description_resolver.rb,
lib/facter/resolvers/macosx/utils/system_profile_executor.rb,
lib/facter/framework/core/fact_loaders/external_fact_loader.rb,
lib/facter/framework/core/fact_loaders/internal_fact_loader.rb,
lib/facter/resolvers/windows/hardware_architecture_resolver.rb,
lib/facter/framework/core/fact/external/external_fact_manager.rb,
lib/facter/framework/core/fact/internal/internal_fact_manager.rb

Overview

CuAt (Customized Attributes) non-default attribute values CuDv (Customized Devices) the devices present on this machine PdAt (Predefined Attributes) default values for all device attributes PdDv (Predefined Devices) the list of all devices supported by this release of AIX

Defined Under Namespace

Modules: Aix, Bsd, Core, FactAugmenter, FactsUtils, FilesystemHelper, Framework, Freebsd, InfoExtractor, OptionsValidator, Resolvers, Util, Utils Classes: CacheManager, ClassDiscoverer, Cli, ConfigFileOptions, ConfigReader, CoreFact, ExternalFactLoader, ExternalFactManager, FactCollection, FactFilter, FactGroups, FactLoader, FactManager, FingerPrint, FormatterFactory, FormatterHelper, HoconFactFormatter, InternalFactLoader, InternalFactManager, JsonFactFormatter, LegacyFactFormatter, LoadedFact, Log, ODMQuery, OptionStore, Options, OsHierarchy, QueryParser, ResolveCustomFactError, ResolvedFact, SearchedFact, SessionCache, Ssh, UptimeParser, WindowsReleaseFinder, YamlFactFormatter

Constant Summary collapse

VERSION = 
'4.0.38'
RED = 
"\e[31m"
GREEN = 
"\e[32m"
YELLOW = 
"\e[33m"
CYAN = 
"\e[36m"
RESET = 
"\e[0m"
DEFAULT_LOG_LEVEL = 
:warn

Class Method Summary collapse

Methods included from ApiDebugger

parse_options, prepended

Class Method Details

.[](name) ⇒ Facter::Util::Fact?

Alias method for Facter.fact()

Parameters:

  • name (string) —

    fact name

Returns:



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# File 'lib/facter.rb', line 31

def [](name)
  fact(name)
end

.add(name, options = {}, &block) ⇒ Facter::Util::Fact

Add custom facts to fact collection

Parameters:

  • name (String) —

    Custom fact name

  • options (defaults to: {}) —

    {} [Hash] optional parameters for the fact - attributes

    of Facter::Util::Fact and Facter::Util::Resolution can be supplied here

  • block (Proc) —

    a block defining a fact resolution

Returns:

  • (Facter::Util::Fact) —

    the fact object, which includes any previously defined resolutions



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# File 'lib/facter.rb', line 46

def add(name, options = {}, &block)
  options[:fact_type] = :custom
  LegacyFacter.add(name, options, &block)
  LegacyFacter.collection.invalidate_custom_facts
end

.clear ⇒ nil

Clears all cached values and removes all facts from memory.

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 57

def clear
  @already_searched = {}
  @debug_once = []
  @warn_once = []
  LegacyFacter.clear
  Options[:custom_dir] = []
  LegacyFacter.collection.invalidate_custom_facts
  LegacyFacter.collection.reload_custom_facts
end

.clear_messages ⇒ Object 



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# File 'lib/facter.rb', line 20

def clear_messages
  logger.debug('clear_messages is not implemented')
end

.core_value(user_query) ⇒ Object 



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# File 'lib/facter.rb', line 67

def core_value(user_query)
  user_query = user_query.to_s
  resolved_facts = Facter::FactManager.instance.resolve_core([user_query])
  fact_collection = FactCollection.new.build_fact_collection!(resolved_facts)
  splitted_user_query = Facter::Utils.split_user_query(user_query)
  fact_collection.dig(*splitted_user_query)
end

.debug(message) ⇒ nil

Logs debug message when debug option is set to true

Parameters:

  • message (Object) —

    Message object to be logged

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 81

def debug(message)
  return unless debugging?

  logger.debug(message.to_s)
  nil
end

.debugging(debug_bool) ⇒ type

Enable or disable debugging

Parameters:

  • debug_bool (bool) —

    State which debugging should have

Returns:

  • (type) —
    description 


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# File 'lib/facter.rb', line 124

def debugging(debug_bool)
  Facter::Options[:debug] = debug_bool
end

.debugging? ⇒ bool

Check whether debugging is enabled

Returns:

  • (bool) 


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# File 'lib/facter.rb', line 114

def debugging?
  Options[:debug]
end

.debugonce(message) ⇒ nil

Logs the same debug message only once when debug option is set to true

Parameters:

  • message (Object) —

    Message object to be logged

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 94

def debugonce(message)
  return unless debugging?

  message_string = message.to_s
  return if @debug_once.include? message_string

  @debug_once << message_string
  logger.debug(message_string)
  nil
end

.fact(user_query) ⇒ Facter::Util::Fact?

Returns a fact object by name. If you use this, you still have to call ‘value` on it to retrieve the actual value.

Parameters:

  • user_query (String) —

    the name of the fact

Returns:



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# File 'lib/facter.rb', line 138

def fact(user_query)
  user_query = user_query.to_s
  resolve_fact(user_query)

  @already_searched[user_query]
end

.list ⇒ Array

Returns a list with the names of all solved facts

Returns:

  • (Array) —

    the list with all the fact names



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# File 'lib/facter.rb', line 291

def list
  to_hash.keys.sort
end

.log_exception(exception, message = :default) ⇒ Object 



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# File 'lib/facter.rb', line 271

def log_exception(exception, message = :default)
  arr = []
  if message == :default
    arr << exception.message
  elsif message
    arr << message
  end
  if Options[:trace]
    arr << 'backtrace:'
    arr.concat(exception.backtrace)
  end

  logger.error(arr.flatten.join("\n"))
end

.on_message(&block) ⇒ Object 



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# File 'lib/facter.rb', line 105

def on_message(&block)
  Facter::Log.on_message(&block)
end

.reset ⇒ nil

Reset search paths for custom and external facts If config file is set custom and external facts will be reloaded

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 151

def reset
  LegacyFacter.reset
  Options[:custom_dir] = []
  Options[:external_dir] = []
  nil
end

.search(*dirs) ⇒ void

This method returns an undefined value.

Register directories to be searched for custom facts. The registered directories must be absolute paths or they will be ignored.

Parameters:

  • dirs (Array<String>) —

    An array of searched directories



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# File 'lib/facter.rb', line 166

def search(*dirs)
  Options[:custom_dir] += dirs
end

.search_external(dirs) ⇒ void

This method returns an undefined value.

Registers directories to be searched for external facts.

Parameters:

  • dirs (Array<String>) —

    An array of searched directories



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# File 'lib/facter.rb', line 177

def search_external(dirs)
  Options[:external_dir] += dirs
end

.search_external_path ⇒ Array<String>

Returns the registered search directories.for external facts.

Returns:

  • (Array<String>) —

    An array of searched directories



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# File 'lib/facter.rb', line 186

def search_external_path
  Options.external_dir
end

.search_path ⇒ Array<String>

Returns the registered search directories for custom facts.

Returns:

  • (Array<String>) —

    An array of the directories searched



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# File 'lib/facter.rb', line 195

def search_path
  Options.custom_dir
end

.to_hash ⇒ FactCollection

Gets a hash mapping fact names to their values The hash contains core facts, legacy facts, custom facts and external facts (all facts that can be resolved).

Returns:



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# File 'lib/facter.rb', line 205

def to_hash
  log_blocked_facts

  resolved_facts = Facter::FactManager.instance.resolve_facts
  Facter::SessionCache.invalidate_all_caches
  Facter::FactCollection.new.build_fact_collection!(resolved_facts)
end

.to_user_output(cli_options, *args) ⇒ Array

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Gets a hash mapping fact names to their values

Returns:

  • (Array) —

    the hash of fact names and values



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# File 'lib/facter.rb', line 258

def to_user_output(cli_options, *args)
  init_cli_options(cli_options, args)
  logger.info("executed with command line: #{ARGV.drop(1).join(' ')}")
  log_blocked_facts
  resolved_facts = Facter::FactManager.instance.resolve_facts(args)
  SessionCache.invalidate_all_caches
  fact_formatter = Facter::FormatterFactory.build(Facter::Options.get)

  status = error_check(resolved_facts)

  [fact_formatter.format(resolved_facts), status || 0]
end

.trace(bool) ⇒ type

Enable or disable trace

Parameters:

  • bool (bool) —

    Set trace on debug state

Returns:

  • (type) —
    description 


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# File 'lib/facter.rb', line 228

def trace(bool)
  Options[:trace] = bool
end

.trace? ⇒ bool

Check whether printing stack trace is enabled

Returns:

  • (bool) 


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# File 'lib/facter.rb', line 218

def trace?
  Options[:trace]
end

.value(user_query) ⇒ String

Gets the value for a fact. Returns ‘nil` if no such fact exists.

Parameters:

  • user_query (String) —

    the fact name

Returns:

  • (String) —

    the value of the fact, or nil if no fact is found



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# File 'lib/facter.rb', line 238

def value(user_query)
  user_query = user_query.to_s
  resolve_fact(user_query)
  @already_searched[user_query]&.value
end

.version ⇒ String

Returns Facter version

Returns:

  • (String) —

    Current version



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# File 'lib/facter.rb', line 249

def version
  Facter::VERSION
end

.warn(message) ⇒ nil

Logs the message parameter as a warning.

Parameters:

  • message (Object) —

    the warning object to be displayed

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 302

def warn(message)
  logger.warn(message.to_s)
  nil
end

.warnonce(message) ⇒ nil

Logs only once the same warning message.

Parameters:

  • message (Object) —

    the warning message object

Returns:

  • (nil) 


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# File 'lib/facter.rb', line 314

def warnonce(message)
  message_string = message.to_s
  return if @warn_once.include? message_string

  @warn_once << message_string
  logger.warn(message_string)
  nil
end