Class: Chef::Application::Apply

Inherits:
Chef::Application show all
Defined in:
lib/chef/application/apply.rb

Instance Method Summary collapse

Methods inherited from Chef::Application

#auto_log_level?, #configure_chef, #configure_encoding, #configure_logging, #configure_proxy_environment_variables, #configure_stdout_logger, debug_stacktrace, exit!, fatal!, #load_config_file, #resolve_log_level, #run_chef_client, #setup_application, #setup_signal_handlers, #using_output_formatter?, #want_additional_logger?

Constructor Details

#initialize ⇒ Apply

Returns a new instance of Apply.



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# File 'lib/chef/application/apply.rb', line 82

def initialize
  super
end

Instance Method Details

#get_recipe_and_run_context ⇒ Object 



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# File 'lib/chef/application/apply.rb', line 107

def get_recipe_and_run_context
  Chef::Config[:solo] = true
  @chef_client = Chef::Client.new
  @chef_client.run_ohai
  @chef_client.load_node
  @chef_client.build_node
  run_context = if @chef_client.events.nil?
                  Chef::RunContext.new(@chef_client.node, {})
                else
                  Chef::RunContext.new(@chef_client.node, {}, @chef_client.events)
                end
  recipe = Chef::Recipe.new("(chef-apply cookbook)", "(chef-apply recipe)", run_context)
  [recipe, run_context]
end

#read_recipe_file(file_name) ⇒ Object 



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# File 'lib/chef/application/apply.rb', line 93

def read_recipe_file(file_name)
  if file_name.nil?
    Chef::Application.fatal!("No recipe file was provided", 1)
  else
    recipe_path = File.expand_path(file_name)
    unless File.exist?(recipe_path)
      Chef::Application.fatal!("No file exists at #{recipe_path}", 1)
    end
    recipe_fh = open(recipe_path)
    recipe_text = recipe_fh.read
    [recipe_text, recipe_fh]
  end
end

#reconfigure ⇒ Object 



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# File 'lib/chef/application/apply.rb', line 86

def reconfigure
  parse_options
  Chef::Config.merge!(config)
  configure_logging
  configure_proxy_environment_variables
end

#run ⇒ Object

Get this party started



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# File 'lib/chef/application/apply.rb', line 170

def run
  reconfigure
  run_application
end

#run_application ⇒ Object 



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# File 'lib/chef/application/apply.rb', line 156

def run_application
  begin
    parse_options
    run_chef_recipe
    Chef::Application.exit! "Exiting", 0
  rescue SystemExit => e
    raise
  rescue Exception => e
    Chef::Application.debug_stacktrace(e)
    Chef::Application.fatal!("#{e.class}: #{e.message}", 1)
  end
end

#run_chef_recipe ⇒ Object 



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# File 'lib/chef/application/apply.rb', line 131

def run_chef_recipe
  if config[:execute]
    @recipe_text = config[:execute]
    temp_recipe_file
  elsif config[:stdin]
    @recipe_text = STDIN.read
    temp_recipe_file
  else
    if !ARGV[0]
      puts opt_parser
      Chef::Application.exit! "No recipe file provided", 1
    end
    @recipe_filename = ARGV[0]
    @recipe_text,@recipe_fh = read_recipe_file @recipe_filename
  end
  recipe,run_context = get_recipe_and_run_context
  recipe.instance_eval(@recipe_text, @recipe_filename, 1)
  runner = Chef::Runner.new(run_context)
  begin
    runner.converge
  ensure
    @recipe_fh.close
  end
end

#temp_recipe_file ⇒ Object

write recipe to temp file, so in case of error, user gets error w/ context



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# File 'lib/chef/application/apply.rb', line 124

def temp_recipe_file
  @recipe_fh = Tempfile.open('recipe-temporary-file')
  @recipe_fh.write(@recipe_text)
  @recipe_fh.rewind
  @recipe_filename = @recipe_fh.path
end