Class: RightScale::OptionsBag

Inherits:
Object
  • Object
show all
Defined in:
lib/instance/options_bag.rb

Overview

Store agent options in environment variable so child processes can access them too

Constant Summary collapse

OPTIONS_ENV =

(String) Name of environment variable containing serialized options hash

'RS_OPTIONS'

Class Method Summary collapse

Class Method Details

.load ⇒ Object

Load previously stored options (may have been stored in a parent process)

Return

opts(Hash)

Previously stored options, empty hash if there is none



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# File 'lib/instance/options_bag.rb', line 50

def self.load
  return {} unless serialized = ENV[OPTIONS_ENV]
  begin
    opts = JSON.load(serialized)
    opts = SerializationHelper.symbolize_keys(opts)
  rescue Exception => e
    Log.warning("Failed to deserialize options", e)
    opts = {}
  end
  opts
end

.store(opts) ⇒ Object

Store options

Parameters

opts(Hash)

Options to be stored, override any options stored earlier

Result

opts(Hash)

Options to be stored



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# File 'lib/instance/options_bag.rb', line 41

def self.store(opts)
  ENV[OPTIONS_ENV] = JSON.dump(opts)
  opts
end