Class: Ohai::Application

Inherits:

Object

• Object
• Ohai::Application

show all

Includes:

Mixlib::CLI

Defined in:

lib/ohai/application.rb

Class Method Summary (collapse)

• + (Object) exit!(msg, err = 1)
• + (Object) fatal!(msg, err = 1)

  Log a fatal error message to both STDERR and the Logger, exit the application.

Instance Method Summary (collapse)

• - (Object) configure_logging
• - (Object) configure_ohai
• - (Application) initialize constructor

  A new instance of Application.

• - (Object) run
• - (Object) run_application

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# File 'lib/ohai/application.rb', line 64

def initialize
  super

  # Always switch to a readable directory. Keeps subsequent Dir.chdir() {}
  # from failing due to permissions when launched as a less privileged user.
  Dir.chdir("/")
end

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# File 'lib/ohai/application.rb', line 116

def exit!(msg, err = -1)
  Chef::Log.debug(msg)
  Process.exit err
end

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# File 'lib/ohai/application.rb', line 110

def fatal!(msg, err = -1)
  STDERR.puts("FATAL: #{msg}")
  Chef::Log.fatal(msg)
  Process.exit err
end

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# File 'lib/ohai/application.rb', line 87

def configure_logging
  Ohai::Log.init(Ohai::Config[:log_location])
  Ohai::Log.level = Ohai::Config[:log_level]
end

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# File 'lib/ohai/application.rb', line 78

def configure_ohai
  @attributes = parse_options

  Ohai::Config.merge!(config)
  if Ohai::Config[:directory]
    Ohai::Config[:plugin_path] << Ohai::Config[:directory]
  end
end

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# File 'lib/ohai/application.rb', line 72

def run
  configure_ohai
  configure_logging
  run_application
end

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# File 'lib/ohai/application.rb', line 92

def run_application
  ohai = Ohai::System.new
  if Ohai::Config[:file]
    ohai.from_file(Ohai::Config[:file])
  else
    ohai.all_plugins
  end
  if @attributes.length > 0
    @attributes.each do |a|
      puts ohai.attributes_print(a)
    end
  else
    puts ohai.json_pretty_print
  end
end