Module: ConcertoConfig::ConfigStore

Defined in:
lib/concerto_client/config_store.rb

Constant Summary collapse

@@path = 
nil

Class Method Summary collapse

Class Method Details

.initialize_path ⇒ Object 



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# File 'lib/concerto_client/config_store.rb', line 38

def self.initialize_path
	@@ropath = File.join(LiveImage.mountpoint, 'concerto', 'config')
	if LiveImage.readonly?
		@@path = '/tmp/concerto/config'
	else
		@@path = @@ropath
	end
	FileUtils.mkdir_p @@path
end

.read_config(name, default = '') ⇒ Object 



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# File 'lib/concerto_client/config_store.rb', line 10

def self.read_config(name, default='')
	initialize_path if not @@path			
	file = File.join(@@path, name)
	rofile = File.join(@@ropath, name)

	# Check the read/write config location first. If nothing there,
	# check the read-only location. If nothing is there, return default.
	# This way writes can be made at runtime on read-only media while
	# still allowing some settings to be "baked into" the media.
	if File.exist?(file)
		IO.read(file)
	elsif File.exist?(rofile)
		IO.read(rofile)
	else
		default
	end
end

.write_config(name, value) ⇒ Object

Write a config to the read/write configuration location.



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# File 'lib/concerto_client/config_store.rb', line 29

def self.write_config(name, value)
	initialize_path if not @@path
	file = File.join(@@path, name)

	File.open(file, 'w') do |f|
		f.write value
	end
end