Class: Chef::Client

Inherits:
Object
  • Object
show all
Extended by:
Mixin::Deprecation
Includes:
Mixin::PathSanity
Defined in:
lib/chef/client.rb

Overview

== Chef::Client The main object in a Chef run. Preps a Chef::Node and Chef::RunContext, syncs cookbooks if necessary, and triggers convergence.

Direct Known Subclasses

Shell::DoppelGangerClient

Constant Summary collapse

STDOUT_FD =

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

IO stream that will be used as 'STDOUT' for formatters. Formatters are configured during initialize, so this provides a convenience for setting alternative IO stream during tests.

STDOUT
STDERR_FD =

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

IO stream that will be used as 'STDERR' for formatters. Formatters are configured during initialize, so this provides a convenience for setting alternative IO stream during tests.

STDERR

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mixin::Deprecation

deprecated_attr, deprecated_attr_reader, deprecated_attr_writer, deprecated_ivar

Methods included from Mixin::PathSanity

#enforce_path_sanity, #sanitized_path

Constructor Details

#initialize(json_attribs = nil, args = {}) ⇒ Client

Creates a new Chef::Client.

Parameters:

  • json_attribs (Hash) (defaults to: nil) —

    Node attributes to layer into the node when it is fetched.

  • args (Hash) (defaults to: {}) —

    Options:

Options Hash (args):

  • :override_runlist (Array<RunList::RunListItem>) —

    A runlist to use instead of the node's embedded run list.

  • :specific_recipes (Array<String>) —

    A list of recipe file paths to load after the run list has been loaded.


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# File 'lib/chef/client.rb', line 157

def initialize(json_attribs = nil, args = {})
  @json_attribs = json_attribs || {}
  @ohai = Ohai::System.new

  event_handlers = configure_formatters + configure_event_loggers
  event_handlers += Array(Chef::Config[:event_handlers])

  @events = EventDispatch::Dispatcher.new(*event_handlers)
  # TODO it seems like a bad idea to be deletin' other peoples' hashes.
  @override_runlist = args.delete(:override_runlist)
  @specific_recipes = args.delete(:specific_recipes)
  @run_status = Chef::RunStatus.new(nil, events)

  if new_runlist = args.delete(:runlist)
    @json_attribs["run_list"] = new_runlist
  end
end

Instance Attribute Details

#events ⇒ EventDispatch::Dispatcher (readonly)

The event dispatcher for the Chef run, including any configured output formatters and event loggers.

TODO add stdout, stderr, and default formatters to Chef::Config so the defaults aren't calculated here. Remove force_logger and force_formatter from this code.

Returns:

See Also:

  • Formatters
  • Chef::Config#formatters
  • Chef::Config#stdout
  • Chef::Config#stderr
  • Chef::Config#force_logger
  • Chef::Config#force_formatter
  • EventLoggers
  • Chef::Config#disable_event_logger
  • Chef::Config#event_loggers
  • Chef::Config#event_handlers

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# File 'lib/chef/client.rb', line 144

def events
  @events
end

#json_attribs ⇒ Hash (readonly)

Extra node attributes that were applied to the node.

Returns:

  • (Hash) 

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# File 'lib/chef/client.rb', line 122

def json_attribs
  @json_attribs
end

#ohai ⇒ Ohai::System (readonly)

The ohai system used by this client.

Returns:

  • (Ohai::System) 

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# File 'lib/chef/client.rb', line 93

def ohai
  @ohai
end

#rest ⇒ Chef::ServerAPI (readonly)

The rest object used to communicate with the Chef server.

Returns:


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# File 'lib/chef/client.rb', line 100

def rest
  @rest
end

#rest_clean(client_name = node_name, config = Chef::Config) ⇒ Object (readonly)

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.

Rest client for use by API reporters. This rest client will not fail with an exception if it is fed non-UTF8 data.


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# File 'lib/chef/client.rb', line 108

def rest_clean
  @rest_clean
end

#run_status ⇒ Chef::RunStatus (readonly)

The status of the Chef run.

Returns:


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# File 'lib/chef/client.rb', line 73

def run_status
  @run_status
end

#runner ⇒ Chef::Runner

The runner used to converge.

Returns:


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# File 'lib/chef/client.rb', line 115

def runner
  @runner
end

Class Method Details

.clear_notifications ⇒ Object

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.

Clears all listeners for client run status events.

Primarily for testing purposes.


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# File 'lib/chef/client.rb', line 880

def clear_notifications
  @run_start_notifications = nil
  @run_completed_successfully_notifications = nil
  @run_failed_notifications = nil
end

.run_completed_successfully_notifications ⇒ Array<Proc>

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.

Listeners to be run when the client run completes successfully.

Returns:

  • (Array<Proc>) 

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# File 'lib/chef/client.rb', line 908

def run_completed_successfully_notifications
  @run_completed_successfully_notifications ||= []
end

.run_failed_notifications ⇒ Array<Proc>

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.

Listeners to be run when the client run fails.

Returns:

  • (Array<Proc>) 

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# File 'lib/chef/client.rb', line 919

def run_failed_notifications
  @run_failed_notifications ||= []
end

.run_start_notifications ⇒ Array<Proc>

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.

Listeners to be run when the client run starts.

Returns:

  • (Array<Proc>) 

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# File 'lib/chef/client.rb', line 897

def run_start_notifications
  @run_start_notifications ||= []
end

.when_run_completes_successfully(&notification_block) {|run_status| ... } ⇒ Object

Add a listener for the 'client run success' event.

Parameters:

  • notification_block —

    The callback (takes |run_status| parameter).

Yield Parameters:


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# File 'lib/chef/client.rb', line 859

def when_run_completes_successfully(&notification_block)
  run_completed_successfully_notifications << notification_block
end

.when_run_fails(&notification_block) {|run_status| ... } ⇒ Object

Add a listener for the 'client run failed' event.

Parameters:

  • notification_block —

    The callback (takes |run_status| parameter).

Yield Parameters:


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# File 'lib/chef/client.rb', line 869

def when_run_fails(&notification_block)
  run_failed_notifications << notification_block
end

.when_run_starts(&notification_block) {|run_status| ... } ⇒ Object

Add a listener for the 'client run started' event.

Parameters:

  • notification_block —

    The callback (takes |run_status| parameter).

Yield Parameters:


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# File 'lib/chef/client.rb', line 849

def when_run_starts(&notification_block)
  run_start_notifications << notification_block
end

Instance Method Details

#build_node ⇒ Chef::Node

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.

Mutates the node object to prepare it for the chef run.

Returns:

See Also:

  • PolicyBuilder#build_node

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# File 'lib/chef/client.rb', line 485

def build_node
  policy_builder.build_node
  run_status.node = node
  node
end

#configure_event_loggers ⇒ Object

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. 


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# File 'lib/chef/client.rb', line 385

def configure_event_loggers
  if Chef::Config.disable_event_logger
    []
  else
    Chef::Config.event_loggers.map do |evt_logger|
      case evt_logger
      when Symbol
        Chef::EventLoggers.new(evt_logger)
      when Class
        evt_logger.new
      else
      end
    end
  end
end

#configure_formatters ⇒ Object

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. 


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# File 'lib/chef/client.rb', line 354

def configure_formatters
  formatters_for_run.map do |formatter_name, output_path|
    if output_path.nil?
      Chef::Formatters.new(formatter_name, STDOUT_FD, STDERR_FD)
    else
      io = File.open(output_path, "a+")
      io.sync = true
      Chef::Formatters.new(formatter_name, io, io)
    end
  end
end

#converge(run_context) ⇒ Object

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.

Converges all compiled resources.

Fires the converge_start, converge_complete and converge_failed events.

If the exception :end_client_run_early is thrown during convergence, it does not mark the run complete or failed, and returns nil

Parameters:

  • run_context —

    The run context.

Returns:

  • The thrown exception, if we are in audit mode. nil means the converge was successful or ended early.

Raises:

  • Any converge exception, unless we are in audit mode, in which case we return the exception.

See Also:

  • Runner#converge
  • Chef::Config#audit_mode
  • EventDispatch#converge_start
  • EventDispatch#converge_complete
  • EventDispatch#converge_failed

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# File 'lib/chef/client.rb', line 708

def converge(run_context)
  converge_exception = nil
  catch(:end_client_run_early) do
    begin
      events.converge_start(run_context)
      Chef::Log.debug("Converging node #{node_name}")
      @runner = Chef::Runner.new(run_context)
      @runner.converge
      events.converge_complete
    rescue Exception => e
      events.converge_failed(e)
      raise e if Chef::Config[:audit_mode] == :disabled
      converge_exception = e
    end
  end
  converge_exception
end

#converge_and_save(run_context) ⇒ Object

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.

Converge the node via and then save it if successful.

We don't want to change the old API on the converge method to have it perform saving. So we wrap it in this method. TODO given this seems to be pretty internal stuff, how badly do we need to split this stuff up?

Parameters:

  • run_context —

    The run context.

Returns:

  • The thrown exception, if we are in audit mode. nil means the converge was successful or ended early.

Raises:

  • Any converge or node save exception, unless we are in audit mode, in which case we return the exception.

See Also:

  • #converge
  • #save_updated_mode
  • Chef::Config#audit_mode

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# File 'lib/chef/client.rb', line 748

def converge_and_save(run_context)
  converge_exception = converge(run_context)
  unless converge_exception
    begin
      save_updated_node
    rescue Exception => e
      raise e if Chef::Config[:audit_mode] == :disabled
      converge_exception = e
    end
  end
  converge_exception
end

#default_formatter ⇒ Object

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. 


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# File 'lib/chef/client.rb', line 376

def default_formatter
  if !Chef::Config[:force_logger] || Chef::Config[:force_formatter]
    [:doc]
  else
    [:null]
  end
end

#do_windows_admin_check ⇒ Object

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.

Check if the user has Administrator privileges on windows.

Throws an error if the user is not an admin, and Chef::Config.fatal_windows_admin_check is true.

Raises:

See Also:

  • platform#windows?
  • Chef::Config#fatal_windows_admin_check

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# File 'lib/chef/client.rb', line 822

def do_windows_admin_check
  if Chef::Platform.windows?
    Chef::Log.debug("Checking for administrator privileges....")

    if !has_admin_privileges?
      message = "chef-client doesn't have administrator privileges on node #{node_name}."
      if Chef::Config[:fatal_windows_admin_check]
        Chef::Log.fatal(message)
        Chef::Log.fatal("fatal_windows_admin_check is set to TRUE.")
        raise Chef::Exceptions::WindowsNotAdmin, message
      else
        Chef::Log.warn("#{message} This might cause unexpected resource failures.")
      end
    else
      Chef::Log.debug("chef-client has administrator privileges on node #{node_name}.")
    end
  end
end

#expanded_run_list ⇒ Chef::RunListExpansion

Expands the run list.

Returns:

  • (Chef::RunListExpansion) —

    The expanded run list.

See Also:

  • PolicyBuilder#expand_run_list

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# File 'lib/chef/client.rb', line 805

def expanded_run_list
  policy_builder.expand_run_list
end

#formatters_for_run ⇒ Object

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. 


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# File 'lib/chef/client.rb', line 367

def formatters_for_run
  if Chef::Config.formatters.empty?
    [default_formatter]
  else
    Chef::Config.formatters
  end
end

#load_node ⇒ Chef::Node

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.

Instantiates a Chef::Node object, possibly loading the node's prior state when using chef-client. Sets Chef.node to the new node.

Returns:

  • (Chef::Node) —

    The node object for this Chef run

See Also:

  • PolicyBuilder#load_node

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# File 'lib/chef/client.rb', line 469

def load_node
  policy_builder.load_node
  run_status.node = policy_builder.node
  Chef.set_node(policy_builder.node)
  node
end

#load_required_recipe(rest, run_context) ⇒ Object

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.

Adds a required recipe as specified by the Chef Server

TODO: @rest doesn't appear to be used anywhere outside of client.register except for here. If it's common practice to create your own rest client, perhaps we should do that here but it seems more appropriate to reuse one that we know is already created. for ease of testing, we'll pass the existing rest client in as a parameter

Returns:

  • The modified run context


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# File 'lib/chef/client.rb', line 533

def load_required_recipe(rest, run_context)
  required_recipe_contents = rest.get("required_recipe")
  Chef::Log.info("Required Recipe found, loading it")
  Chef::FileCache.store("required_recipe", required_recipe_contents)
  required_recipe_file = Chef::FileCache.load("required_recipe", false)

  # TODO: add integration tests with resource reporting turned on
  #       (presumably requires changes to chef-zero)
  #
  # Chef::Recipe.new takes a cookbook name and a recipe name along
  # with the run context. These names are eventually used in the
  # resource reporter, and if the cookbook name cannot be found in the
  # cookbook collection then we will fail with an exception. Cases where
  # we currently also fail:
  #   - specific recipes
  #   - chef-apply would fail if resource reporting was enabled
  #
  recipe = Chef::Recipe.new(nil, nil, run_context)
  recipe.from_file(required_recipe_file)
  run_context
rescue Net::HTTPServerException => e
  case e.response
  when Net::HTTPNotFound
    Chef::Log.debug("Required Recipe not configured on the server, skipping it")
  else
    raise
  end
end

#node ⇒ Chef::Node

The node represented by this client.

Returns:


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# File 'lib/chef/client.rb', line 80

def node
  run_status.node
end

#node=(value) ⇒ Object 


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# File 'lib/chef/client.rb', line 84

def node=(value)
  run_status.node = value
end

#node_name ⇒ Object

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.

Figure out the node name we are working with.

It tries these, in order:

  • Chef::Config.node_name
  • ohai[:fqdn]
  • ohai[:machinename]
  • ohai[:hostname]

Raises:

See Also:

  • Chef::Config#node_name

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# File 'lib/chef/client.rb', line 626

def node_name
  name = Chef::Config[:node_name] || ohai[:fqdn] || ohai[:machinename] || ohai[:hostname]
  Chef::Config[:node_name] = name

  raise Chef::Exceptions::CannotDetermineNodeName unless name

  name
end

#policy_builder ⇒ Chef::PolicyBuilder::Policyfile, Chef::PolicyBuilder::ExpandNodeObject

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.

The PolicyBuilder strategy for figuring out run list and cookbooks.

Returns:


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# File 'lib/chef/client.rb', line 569

def policy_builder
  @policy_builder ||= Chef::PolicyBuilder::Dynamic.new(node_name, ohai.data, json_attribs, override_runlist, events)
end

#register(client_name = node_name, config = Chef::Config) ⇒ Chef::ServerAPI

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.

Determine our private key and set up the connection to the Chef server.

Skips registration and fires the skipping_registration event if Chef::Config.client_key is unspecified or already exists.

If Chef::Config.client_key does not exist, we register the client with the Chef server and fire the registration_start and registration_completed events.

Returns:

See Also:

  • Chef::Config#chef_server_url
  • Chef::Config#client_key
  • ApiClient::Registration#run
  • EventDispatcher#skipping_registration
  • EventDispatcher#registration_start
  • EventDispatcher#registration_completed
  • EventDispatcher#registration_failed

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# File 'lib/chef/client.rb', line 656

def register(client_name = node_name, config = Chef::Config)
  if !config[:client_key]
    events.skipping_registration(client_name, config)
    Chef::Log.debug("Client key is unspecified - skipping registration")
  elsif File.exists?(config[:client_key])
    events.skipping_registration(client_name, config)
    Chef::Log.debug("Client key #{config[:client_key]} is present - skipping registration")
  else
    events.registration_start(node_name, config)
    Chef::Log.info("Client key #{config[:client_key]} is not present - registering")
    Chef::ApiClient::Registration.new(node_name, config[:client_key]).run
    events.registration_completed
  end
  # We now have the client key, and should use it from now on.
  @rest = Chef::ServerAPI.new(config[:chef_server_url], client_name: client_name,
                                                        signing_key_filename: config[:client_key])
  # force initialization of the rest_clean API object
  rest_clean(client_name, config)
  register_reporters
rescue Exception => e
  # TODO this should probably only ever fire if we *started* registration.
  # Move it to the block above.
  # TODO: munge exception so a semantic failure message can be given to the
  # user
  events.registration_failed(client_name, e, config)
  raise
end

#register_reporters ⇒ Object

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.

Resource reporters send event information back to the chef server for processing. Can only be called after we have a @rest object


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# File 'lib/chef/client.rb', line 414

def register_reporters
  [
    Chef::ResourceReporter.new(rest_clean),
    Chef::Audit::AuditReporter.new(rest_clean),
  ].each do |r|
    events.register(r)
  end
end

#run ⇒ Object

Do a full run for this Chef::Client.

Locks the run while doing its job.

Fires run_start before doing anything and fires run_completed or run_failed when finished. Also notifies client listeners of run_started at the beginning of Compile, and run_completed_successfully or run_failed when all is complete.

Phase 1: Setup

Gets information about the system and the run we are doing.

  1. Run ohai to collect system information.
  2. Register / connect to the Chef server (unless in solo mode).
  3. Retrieve the node (or create a new one).
  4. Merge in json_attribs, Chef::Config.environment, and override_run_list.

Phase 2: Compile

Decides what we plan to converge by compiling recipes.

  1. Sync required cookbooks to the local cache.
  2. Load libraries from all cookbooks.
  3. Load attributes from all cookbooks.
  4. Load LWRPs from all cookbooks.
  5. Load resource definitions from all cookbooks.
  6. Load recipes in the run list.
  7. Load recipes from the command line.

Phase 3: Converge

Brings the system up to date.

  1. Converge the resources built from recipes in Phase 2.
  2. Save the node.
  3. Reboot if we were asked to.

Phase 4: Audit

Runs 'control_group' audits in recipes. This entire section can be enabled or disabled with config.

  1. 'control_group' DSL collects audits during Phase 2
  2. Audits are run using RSpec
  3. Errors are collected and reported using the formatters

Returns:

  • Always returns true.

Raises:

See Also:


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# File 'lib/chef/client.rb', line 245

def run
  start_profiling

  run_error = nil

  runlock = RunLock.new(Chef::Config.lockfile)
  # TODO feels like acquire should have its own block arg for this
  runlock.acquire
  # don't add code that may fail before entering this section to be sure to release lock
  begin
    runlock.save_pid

    request_id = Chef::RequestID.instance.request_id
    run_context = nil
    events.run_start(Chef::VERSION)
    Chef::Log.info("*** Chef #{Chef::VERSION} ***")
    Chef::Log.info("Platform: #{RUBY_PLATFORM}")
    Chef::Log.info "Chef-client pid: #{Process.pid}"
    Chef::Log.debug("Chef-client request_id: #{request_id}")
    enforce_path_sanity
    run_ohai

    register unless Chef::Config[:solo_legacy_mode]
    register_data_collector_reporter

    load_node

    build_node

    run_status.run_id = request_id
    run_status.start_clock
    Chef::Log.info("Starting Chef Run for #{node.name}")
    run_started

    do_windows_admin_check

    run_context = setup_run_context

    load_required_recipe(@rest, run_context) unless Chef::Config[:solo_legacy_mode]

    if Chef::Config[:audit_mode] != :audit_only
      converge_error = converge_and_save(run_context)
    end

    if Chef::Config[:why_run] == true
      # why_run should probably be renamed to why_converge
      Chef::Log.debug("Not running controls in 'why-run' mode - this mode is used to see potential converge changes")
    elsif Chef::Config[:audit_mode] != :disabled
      audit_error = run_audits(run_context)
    end

    # Raise converge_error so run_failed reporters/events are processed.
    raise converge_error if converge_error

    run_status.stop_clock
    Chef::Log.info("Chef Run complete in #{run_status.elapsed_time} seconds")
    run_completed_successfully
    events.run_completed(node)

    # keep this inside the main loop to get exception backtraces
    end_profiling

    # rebooting has to be the last thing we do, no exceptions.
    Chef::Platform::Rebooter.reboot_if_needed!(node)
  rescue Exception => run_error
    # CHEF-3336: Send the error first in case something goes wrong below and we don't know why
    Chef::Log.debug("Re-raising exception: #{run_error.class} - #{run_error.message}\n#{run_error.backtrace.join("\n  ")}")
    # If we failed really early, we may not have a run_status yet. Too early for these to be of much use.
    if run_status
      run_status.stop_clock
      run_status.exception = run_error
      run_failed
    end
    events.run_failed(run_error)
  ensure
    Chef::RequestID.instance.reset_request_id
    @run_status = nil
    runlock.release
  end

  # Raise audit, converge, and other errors here so that we exit
  # with the proper exit status code and everything gets raised
  # as a RunFailedWrappingError
  if run_error || converge_error || audit_error
    error = if Chef::Config[:audit_mode] == :disabled
              run_error || converge_error
            else
              e = if run_error == converge_error
                    Chef::Exceptions::RunFailedWrappingError.new(converge_error, audit_error)
                  else
                    Chef::Exceptions::RunFailedWrappingError.new(run_error, converge_error, audit_error)
                  end
              e.fill_backtrace
              e
            end

    Chef::Application.debug_stacktrace(error)
    raise error
  end

  true
end

#run_audits(run_context) ⇒ Object

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.

Run the audit phase.

Triggers the audit_phase_start, audit_phase_complete and audit_phase_failed events.

Parameters:

  • run_context —

    The run context.

Returns:

  • Any thrown exceptions. nil if successful.

See Also:

  • Audit::Runner#run
  • EventDispatch#audit_phase_start
  • EventDispatch#audit_phase_complete
  • EventDispatch#audit_phase_failed

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# File 'lib/chef/client.rb', line 778

def run_audits(run_context)
  begin
    events.audit_phase_start(run_status)
    Chef::Log.info("Starting audit phase")
    auditor = Chef::Audit::Runner.new(run_context)
    auditor.run
    if auditor.failed?
      audit_exception = Chef::Exceptions::AuditsFailed.new(auditor.num_failed, auditor.num_total)
      @events.audit_phase_failed(audit_exception, Chef::Audit::Logger.read_buffer)
    else
      @events.audit_phase_complete(Chef::Audit::Logger.read_buffer)
    end
  rescue Exception => e
    Chef::Log.error("Audit phase failed with error message: #{e.message}")
    @events.audit_phase_failed(e, Chef::Audit::Logger.read_buffer)
    audit_exception = e
  end
  audit_exception
end

#run_completed_successfully ⇒ Object

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.

Callback to fire notifications that the run completed successfully


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# File 'lib/chef/client.rb', line 440

def run_completed_successfully
  success_handlers = self.class.run_completed_successfully_notifications
  success_handlers.each do |notification|
    notification.call(run_status)
  end
end

#run_failed ⇒ Object

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.

Callback to fire notifications that the Chef run failed


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# File 'lib/chef/client.rb', line 452

def run_failed
  failure_handlers = self.class.run_failed_notifications
  failure_handlers.each do |notification|
    notification.call(run_status)
  end
end

#run_ohai ⇒ Object

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.

Run ohai plugins. Runs all ohai plugins unless minimal_ohai is specified.

Sends the ohai_completed event when finished.

See Also:

  • EventDispatcher#
  • Chef::Config#minimal_ohai

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# File 'lib/chef/client.rb', line 604

def run_ohai
  filter = Chef::Config[:minimal_ohai] ? %w{fqdn machinename hostname platform platform_version os os_version} : nil
  ohai.all_plugins(filter)
  events.ohai_completed(node)
end

#run_started ⇒ Object

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.

Callback to fire notifications that the Chef run is starting


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# File 'lib/chef/client.rb', line 428

def run_started
  self.class.run_start_notifications.each do |notification|
    notification.call(run_status)
  end
  events.run_started(run_status)
end

#save_updated_node ⇒ Object

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.

Save the updated node to Chef.

Does not save if we are in solo mode or using override_runlist.

See Also:


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# File 'lib/chef/client.rb', line 583

def save_updated_node
  if Chef::Config[:solo_legacy_mode]
    # nothing to do
  elsif policy_builder.temporary_policy?
    Chef::Log.warn("Skipping final node save because override_runlist was given")
  else
    Chef::Log.debug("Saving the current state of node #{node_name}")
    node.save
  end
end

#setup_run_context ⇒ Object

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.

Sets up the run context.

Returns:

  • The newly set up run context

See Also:

  • PolicyBuilder#setup_run_context

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# File 'lib/chef/client.rb', line 512

def setup_run_context
  run_context = policy_builder.setup_run_context(specific_recipes)
  assert_cookbook_path_not_empty(run_context)
  run_status.run_context = run_context
  run_context
end

#sync_cookbooks ⇒ Object

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.

Sync cookbooks to local cache.

TODO this appears to be unused.

See Also:

  • PolicyBuilder#sync_cookbooks

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# File 'lib/chef/client.rb', line 500

def sync_cookbooks
  policy_builder.sync_cookbooks
end