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::ALNUM, Util::ALPHA, Util::AbsolutePathPosix, Util::AbsolutePathWindows, Util::DEFAULT_POSIX_MODE, Util::DEFAULT_WINDOWS_MODE, Util::ESCAPED, Util::HEX, Util::HttpProxy, Util::PUPPET_STACK_INSERTION_FRAME, Util::RESERVED, Util::RFC_3986_URI_REGEX, Util::UNRESERVED, Util::UNSAFE

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, format_backtrace_array, format_puppetstack_frame, get_env, get_environment, logmethods, merge_environment, path_to_uri, pretty_backtrace, replace_file, resolve_stackframe, rfc2396_escape, safe_posix_fork, set_env, skip_external_facts, symbolizehash, thinmark, uri_encode, uri_query_encode, uri_to_path, uri_unescape, 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

#display_mode, #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 53

def initialize(transaction_uuid = nil, job_id = nil)
  @running = false
  @splayed = false
  @running_failure = 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

#environmentObject (readonly)

Returns the value of attribute environment.


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# File 'lib/puppet/configurer.rb', line 17

def environment
  @environment
end

Class Method Details

.should_pluginsync?Boolean

Returns:

  • (Boolean)

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# File 'lib/puppet/configurer.rb', line 24

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

.to_sObject

Provide more helpful strings to the logging that the Agent does


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# File 'lib/puppet/configurer.rb', line 20

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 280

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

#check_fact_name_length(name, number_of_dots) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 152

def check_fact_name_length(name, number_of_dots)
  max_length = Puppet[:fact_name_length_soft_limit]
  return if max_length.zero?

  # rough byte size estimations of fact path as a postgresql btree index 
  size_as_btree_index = 8 + (number_of_dots * 2) + name.to_s.bytesize
  warn_fact_name_length(name, max_length) if size_as_btree_index > max_length
end

#check_fact_values_length(values) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 161

def check_fact_values_length(values)
  max_length = Puppet[:fact_value_length_soft_limit]
  return if max_length.zero?

  warn_fact_value_length(values, max_length) if values.to_s.bytesize > max_length
end

#check_facts_limits(facts) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 211

def check_facts_limits(facts)
  @number_of_facts = 0
  check_top_level_number_limit(facts.size)

  parse_fact_name_and_value_limits(facts)
  check_total_number_limit(@number_of_facts)
  Puppet.debug _("The total number of facts registered is %{number_of_facts}") % {number_of_facts: @number_of_facts}
end

#check_payload_size(payload) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 182

def check_payload_size(payload)
  max_size = Puppet[:payload_soft_limit]
  return if max_size.zero?

  warn_fact_payload_size(payload, max_size) if payload > max_size
  Puppet.debug _("The size of the payload is %{payload}") % {payload: payload}
end

#check_top_level_number_limit(size) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 168

def check_top_level_number_limit(size)
  max_size = Puppet[:top_level_facts_soft_limit]
  return if max_size.zero?

  warn_number_of_top_level_facts(size, max_size) if size > max_size
end

#check_total_number_limit(size) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 175

def check_total_number_limit(size)
  max_size = Puppet[:number_of_facts_soft_limit]
  return if max_size.zero?

  warn_number_of_facts(size, max_size) if size > max_size
end

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

Convert a plain resource catalog into our full host catalog.


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# File 'lib/puppet/configurer.rb', line 109

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

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

    catalog = result.to_ral
    catalog.finalize
    catalog.retrieval_duration = duration

    if Puppet[:write_catalog_summary]
      catalog.write_class_file
      catalog.write_resource_file
    end
  end
  options[:report].add_times(:convert_catalog, catalog_conversion_time) if options[:report]

  catalog
end

#execute_postrun_commandObject


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# File 'lib/puppet/configurer.rb', line 32

def execute_postrun_command
  execute_from_setting(:postrun_command)
end

#execute_prerun_commandObject


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# File 'lib/puppet/configurer.rb', line 36

def execute_prerun_command
  execute_from_setting(:prerun_command)
end

#get_facts(options) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 220

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 = {}
  facts = nil
  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
      check_facts_limits(facts.to_data_hash['values'])
      facts_hash = encode_facts(facts) # encode for uploading # was: facts_for_uploading
      check_payload_size(facts_hash[:facts].bytesize)
    end
    options[:report].add_times(:fact_generation, facter_time) if options[:report]
  end
  [facts_hash, facts]
end

#init_storageObject

Initialize and load storage


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# File 'lib/puppet/configurer.rb', line 41

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

#parse_fact_name_and_value_limits(object, path = []) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 190

def parse_fact_name_and_value_limits(object, path = [])
  case object
  when Hash
    object.each do |key, value|
      path.push(key)
      parse_fact_name_and_value_limits(value, path)
      path.pop
      @number_of_facts += 1
    end
  when Array
    object.each_with_index do |e, idx|
      path.push(idx)
      parse_fact_name_and_value_limits(e, path)
      path.pop
    end
  else
    check_fact_name_length(path.join(), path.size)
    check_fact_values_length(object)
  end
end

#prepare_and_retrieve_catalog(cached_catalog, facts, options, query_options) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 251

def prepare_and_retrieve_catalog(cached_catalog, facts, 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 = cached_catalog || options[:catalog]
  unless catalog
    # retrieve_catalog returns resource catalog
    catalog = retrieve_catalog(facts, query_options)
    Puppet.err _("Could not retrieve catalog; skipping run") unless catalog
  end
  catalog
end

#prepare_and_retrieve_catalog_from_cache(options = {}) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 273

def prepare_and_retrieve_catalog_from_cache(options = {})
  result = retrieve_catalog_from_cache({:transaction_uuid => @transaction_uuid, :static_catalog => @static_catalog})
  Puppet.info _("Using cached catalog from environment '%{catalog_env}'") % { catalog_env: result.environment } if result
  result
end

#resubmit_factstrue, false

Submit updated facts to the Puppet Server

This method will clear all current fact values, load a fresh set of fact data, and then submit it to the Puppet Server.

Returns:

  • (true)

    If fact submission succeeds.

  • (false)

    If an exception is raised during fact generation or submission.


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# File 'lib/puppet/configurer.rb', line 664

def resubmit_facts
  Puppet.runtime[:facter].clear
  facts = find_facts

  client = Puppet.runtime[:http]
  session = client.create_session
  puppet = session.route_to(:puppet)

  Puppet.info(_("Uploading facts for %{node} to %{server}") % {
                node: facts.name,
                server: puppet.url.hostname})

  puppet.put_facts(facts.name, facts: facts, environment: Puppet.lookup(:current_environment).name.to_s)

  return true
rescue => detail
  Puppet.log_exception(detail, _("Failed to submit facts: %{detail}") %
                               { detail: detail })

  return false
end

#retrieve_catalog(facts, 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 67

def retrieve_catalog(facts, query_options)
  query_options ||= {}
  if Puppet[:use_cached_catalog] || @running_failure
    result = retrieve_catalog_from_cache(query_options)
  end

  if result
    if Puppet[:use_cached_catalog]
      @cached_catalog_status = 'explicitly_requested'
    elsif @running_failure
      @cached_catalog_status = 'on_failure'
    end

    Puppet.info _("Using cached catalog from environment '%{environment}'") % { environment: result.environment }
  else
    result = retrieve_new_catalog(facts, 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 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 297

def run(options = {})
  # 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, options[:start_time] || Time.now)
  report = options[:report]
  init_storage

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

  completed = nil
  begin
    # Skip failover logic if the server_list setting is empty
    do_failover = Puppet.settings[:server_list] && !Puppet.settings[:server_list].empty?

    # 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?
        detail = _("Could not select a functional puppet server from server_list: '%{server_list}'") % { server_list: Puppet.settings.value(:server_list, Puppet[:environment].to_sym, true) }
        if Puppet[:usecacheonfailure]
          options[:pluginsync] = false
          @running_failure = true

          server = Puppet[:server_list].first[0]
          port = Puppet[:server_list].first[1] || Puppet[:serverport]

          Puppet.err(detail)
        else
          raise Puppet::Error, detail
        end
      else
        #TRANSLATORS 'server_list' is the name of a setting and should not be translated
        Puppet.debug _("Selected puppet server from the `server_list` setting: %{server}:%{port}") % { server: server, port: port }
        report.server_used = "#{server}:#{port}"
      end
      Puppet.override(server: server, serverport: port) do
        completed = run_internal(options)
      end
    else
      completed = run_internal(options)
    end
  ensure
    # we may sleep for awhile, close connections now
    Puppet.runtime[:http].close
  end

  completed ? report.exit_status : nil
end

#save_last_run_summary(report) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 647

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 632

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

#valid_server_environment?Boolean

Returns:

  • (Boolean)

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# File 'lib/puppet/configurer.rb', line 526

def valid_server_environment?
  session = Puppet.lookup(:http_session)
  begin
    fs = session.route_to(:fileserver)
    fs.get_file_metadatas(path: URI(Puppet[:pluginsource]).path, recurse: :false, environment: @environment)
    true
  rescue Puppet::HTTP::ResponseError => detail
    if detail.response.code == 404
      Puppet.notice(_("Environment '%{environment}' not found on server, skipping initial pluginsync.") % { environment: @environment })
    else
      Puppet.log_exception(detail, detail.message)
    end
    false
  rescue => detail
    Puppet.log_exception(detail, detail.message)
    false
  end
end

#warn_fact_name_length(name, max_length) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 136

def warn_fact_name_length(name, max_length)
  Puppet.warning _("Fact %{name} with length: '%{length}' exceeds the length limit: %{limit}") % { name: name, length: name.to_s.bytesize, limit: max_length }
end

#warn_fact_payload_size(payload, max_size) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 148

def warn_fact_payload_size(payload, max_size)
  Puppet.warning _("Payload with the current size of: '%{payload}' exceeds the payload size limit: %{max_size}") % { payload: payload, max_size: max_size }
end

#warn_fact_value_length(value, max_length) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 144

def warn_fact_value_length(value, max_length)
  Puppet.warning _("Fact value '%{value}' with the value length: '%{length}' exceeds the value length limit: %{max_length}") % { value: value, length:value.to_s.bytesize, max_length: max_length }
end

#warn_number_of_facts(size, max_number) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 132

def warn_number_of_facts(size, max_number)
  Puppet.warning _("The current total number of facts: %{size} exceeds the number of facts limit: %{max_size}") % { size: size, max_size: max_number }
end

#warn_number_of_top_level_facts(size, max_number) ⇒ Object


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# File 'lib/puppet/configurer.rb', line 140

def warn_number_of_top_level_facts(size, max_number)
  Puppet.warning _("The current number of top level facts: %{size} exceeds the top facts limit: %{max_size}") % { size: size, max_size: max_number }
end