Class: Puppet::Configurer

Inherits:
Object show all
Includes:
FactHandler, Util
Defined in:
lib/puppet/configurer.rb

Defined Under Namespace

Modules: FactHandler Classes: Downloader, PluginHandler

Constant Summary

Constants included from Util

Util::AbsolutePathPosix, Util::AbsolutePathWindows, Util::DEFAULT_POSIX_MODE, Util::DEFAULT_WINDOWS_MODE, Util::RFC_3986_URI_REGEX

Constants included from Util::POSIX

Util::POSIX::LOCALE_ENV_VARS, Util::POSIX::USER_ENV_VARS

Constants included from Util::SymbolicFileMode

Util::SymbolicFileMode::SetGIDBit, Util::SymbolicFileMode::SetUIDBit, Util::SymbolicFileMode::StickyBit, Util::SymbolicFileMode::SymbolicMode, Util::SymbolicFileMode::SymbolicSpecialToBit

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Util

absolute_path?, benchmark, chuser, clear_environment, default_env, deterministic_rand, deterministic_rand_int, exit_on_fail, get_env, get_environment, logmethods, merge_environment, path_to_uri, pretty_backtrace, replace_file, safe_posix_fork, set_env, symbolizehash, thinmark, uri_encode, uri_query_encode, uri_to_path, which, withenv, withumask

Methods included from Util::POSIX

#get_posix_field, #gid, groups_of, #idfield, #methodbyid, #methodbyname, #search_posix_field, #uid

Methods included from Util::SymbolicFileMode

#normalize_symbolic_mode, #symbolic_mode_to_int, #valid_symbolic_mode?

Methods included from FactHandler

#encode_facts, #facts_for_uploading, #find_facts

Constructor Details

#initialize(transaction_uuid = nil, job_id = nil) ⇒ Configurer

Returns a new instance of Configurer.



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# File 'lib/puppet/configurer.rb', line 55

def initialize(transaction_uuid = nil, job_id = nil)
  @running = false
  @splayed = false
  @cached_catalog_status = 'not_used'
  @environment = Puppet[:environment]
  @transaction_uuid = transaction_uuid || SecureRandom.uuid
  @job_id = job_id
  @static_catalog = true
  @checksum_type = Puppet[:supported_checksum_types]
  @handler = Puppet::Configurer::PluginHandler.new()
end

Instance Attribute Details

#environment ⇒ Object (readonly)

Returns the value of attribute environment.



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# File 'lib/puppet/configurer.rb', line 19

def environment
  @environment
end

Class Method Details

.should_pluginsync? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/puppet/configurer.rb', line 26

def self.should_pluginsync?
  if Puppet[:use_cached_catalog]
    false
  else
    true
  end
end

.to_s ⇒ Object

Provide more helpful strings to the logging that the Agent does



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# File 'lib/puppet/configurer.rb', line 22

def self.to_s
  _("Puppet configuration client")
end

Instance Method Details

#apply_catalog(catalog, options) ⇒ Object

Apply supplied catalog and return associated application report



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# File 'lib/puppet/configurer.rb', line 186

def apply_catalog(catalog, options)
  report = options[:report]
  report.configuration_version = catalog.version

  benchmark(:notice, _("Applied catalog in %{seconds} seconds")) do
    apply_catalog_time = thinmark do
      catalog.apply(options)
    end
    options[:report].add_times(:catalog_application, apply_catalog_time)
  end

  report
end

#convert_catalog(result, duration, options = {}) ⇒ Object

Convert a plain resource catalog into our full host catalog.



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# File 'lib/puppet/configurer.rb', line 102

def convert_catalog(result, duration, options = {})
  catalog = nil

  catalog_conversion_time = thinmark do
    # Will mutate the result and replace all Deferred values with resolved values
    if facts = options[:convert_with_facts]
      Puppet::Pops::Evaluator::DeferredResolver.resolve_and_replace(facts, result)
    end

    catalog = result.to_ral
    catalog.finalize
    catalog.retrieval_duration = duration
    catalog.write_class_file
    catalog.write_resource_file
  end
  options[:report].add_times(:convert_catalog, catalog_conversion_time) if options[:report]

  catalog
end

#execute_postrun_command ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 34

def execute_postrun_command
  execute_from_setting(:postrun_command)
end

#execute_prerun_command ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 38

def execute_prerun_command
  execute_from_setting(:prerun_command)
end

#get_facts(options) ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 122

def get_facts(options)
  if options[:pluginsync]
    plugin_sync_time = thinmark do
      remote_environment_for_plugins = Puppet::Node::Environment.remote(@environment)
      download_plugins(remote_environment_for_plugins)

      Puppet::GettextConfig.reset_text_domain('agent')
      Puppet::ModuleTranslations.load_from_vardir(Puppet[:vardir])
    end
    options[:report].add_times(:plugin_sync, plugin_sync_time) if options[:report]
  end

  facts_hash = {}
  if Puppet::Resource::Catalog.indirection.terminus_class == :rest
    # This is a bit complicated.  We need the serialized and escaped facts,
    # and we need to know which format they're encoded in.  Thus, we
    # get a hash with both of these pieces of information.
    #
    # facts_for_uploading may set Puppet[:node_name_value] as a side effect
    facter_time = thinmark do
      facts = find_facts
      options[:convert_with_facts] =  facts
      facts_hash = encode_facts(facts) # encode for uploading # was: facts_for_uploading
    end
    options[:report].add_times(:fact_generation, facter_time) if options[:report]
  end
  facts_hash
end

#init_storage ⇒ Object

Initialize and load storage



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# File 'lib/puppet/configurer.rb', line 43

def init_storage
    Puppet::Util::Storage.load
rescue => detail
  Puppet.log_exception(detail, _("Removing corrupt state file %{file}: %{detail}") % { file: Puppet[:statefile], detail: detail })
  begin
    Puppet::FileSystem.unlink(Puppet[:statefile])
    retry
  rescue => detail
    raise Puppet::Error.new(_("Cannot remove %{file}: %{detail}") % { file: Puppet[:statefile], detail: detail }, detail)
  end
end

#prepare_and_retrieve_catalog(options, query_options) ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 151

def prepare_and_retrieve_catalog(options, query_options)
  # set report host name now that we have the fact
  options[:report].host = Puppet[:node_name_value]
  query_options[:transaction_uuid] = @transaction_uuid
  query_options[:job_id] = @job_id
  query_options[:static_catalog] = @static_catalog

  # Query params don't enforce ordered evaluation, so munge this list into a
  # dot-separated string.
  query_options[:checksum_type] = @checksum_type.join('.')

  # apply passes in ral catalog
  catalog = options.delete(:catalog)
  return catalog if catalog

  # retrieve_catalog returns json catalog
  catalog = retrieve_catalog(query_options)
  return convert_catalog(catalog, @duration, options) if catalog

  Puppet.err _("Could not retrieve catalog; skipping run")
  nil
end

#prepare_and_retrieve_catalog_from_cache(options = {}) ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 174

def prepare_and_retrieve_catalog_from_cache(options = {})
  result = retrieve_catalog_from_cache({:transaction_uuid => @transaction_uuid, :static_catalog => @static_catalog})
  if result
    Puppet.info _("Using cached catalog from environment '%{catalog_env}'") % { catalog_env: result.environment }
    # get facts now so that the convert_catalog method can resolve deferred values
    get_facts(options)
    return convert_catalog(result, @duration, options)
  end
  nil
end

#retrieve_catalog(query_options) ⇒ Object

Get the remote catalog, yo. Returns nil if no catalog can be found.



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# File 'lib/puppet/configurer.rb', line 68

def retrieve_catalog(query_options)
  query_options ||= {}
  if (Puppet[:use_cached_catalog] && result = retrieve_catalog_from_cache(query_options))
    @cached_catalog_status = 'explicitly_requested'

    Puppet.info _("Using cached catalog from environment '%{environment}'") % { environment: result.environment }
  else
    result = retrieve_new_catalog(query_options)

    if !result
      if !Puppet[:usecacheonfailure]
        Puppet.warning _("Not using cache on failed catalog")
        return nil
      end

      result = retrieve_catalog_from_cache(query_options)

      if result
        # don't use use cached catalog if it doesn't match server specified environment
        if @node_environment && result.environment != @environment
          Puppet.err _("Not using cached catalog because its environment '%{catalog_env}' does not match '%{local_env}'") % { catalog_env: result.environment, local_env: @environment }
          return nil
        end

        @cached_catalog_status = 'on_failure'
        Puppet.info _("Using cached catalog from environment '%{catalog_env}'") % { catalog_env: result.environment }
      end
    end
  end

  result
end

#run(options = {}) ⇒ Object

The code that actually runs the catalog. This just passes any options on to the catalog, which accepts :tags and :ignoreschedules.



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# File 'lib/puppet/configurer.rb', line 203

def run(options = {})
  pool = Puppet::Network::HTTP::Pool.new(Puppet[:http_keepalive_timeout])
  # We create the report pre-populated with default settings for
  # environment and transaction_uuid very early, this is to ensure
  # they are sent regardless of any catalog compilation failures or
  # exceptions.
  options[:report] ||= Puppet::Transaction::Report.new(nil, @environment, @transaction_uuid, @job_id)
  report = options[:report]
  init_storage

  Puppet::Util::Log.newdestination(report)

  completed = nil
  begin
    Puppet.override(:http_pool => pool) do

      # Skip failover logic if the server_list setting is empty
      if Puppet.settings[:server_list].nil? || Puppet.settings[:server_list].empty?
        do_failover = false
      else
        do_failover = true
      end
      # When we are passed a catalog, that means we're in apply
      # mode. We shouldn't try to do any failover in that case.
      if options[:catalog].nil? && do_failover
        server, port = find_functional_server
        if server.nil?
          raise Puppet::Error, _("Could not select a functional puppet master from server_list: '%{server_list}'") % { server_list: Puppet[:server_list] }
        else
          Puppet.debug _("Selected puppet server: %{server}:%{port}") % { server: server, port: port }
          report.master_used = "#{server}:#{port}"
        end
        Puppet.override(server: server, serverport: port) do
          completed = run_internal(options)
        end
      else
        completed = run_internal(options)
      end
    end
  ensure
    pool.close
  end

  completed ? report.exit_status : nil
end

#save_last_run_summary(report) ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 422

def save_last_run_summary(report)
  mode = Puppet.settings.setting(:lastrunfile).mode
  Puppet::Util.replace_file(Puppet[:lastrunfile], mode) do |fh|
    fh.print YAML.dump(report.raw_summary)
  end
rescue => detail
  Puppet.log_exception(detail, _("Could not save last run local report: %{detail}") % { detail: detail })
end

#send_report(report) ⇒ Object 



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# File 'lib/puppet/configurer.rb', line 414

def send_report(report)
  puts report.summary if Puppet[:summarize]
  save_last_run_summary(report)
  Puppet::Transaction::Report.indirection.save(report, nil, :environment => Puppet::Node::Environment.remote(@environment)) if Puppet[:report]
rescue => detail
  Puppet.log_exception(detail, _("Could not send report: %{detail}") % { detail: detail })
end