module Bandshell::ConfigStore
Public Class Methods
config_exists?(name)
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check if a config exists
# File lib/bandshell/config_store.rb, line 29 def self.config_exists?(name) initialize_path if not @@path file = File.join(@@path, name) rofile = File.join(@@ropath, name) File.exist?(file) || File.exist?(rofile) end
delete_config(name)
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Delete a config from the filesystem
# File lib/bandshell/config_store.rb, line 47 def self.delete_config(name) initialize_path if not @@path file = File.join(@@path, name) FileUtils.rm(file) end
initialize_path()
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# File lib/bandshell/config_store.rb, line 53 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='')
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# File lib/bandshell/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)
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Write a config to the read/write configuration location.
# File lib/bandshell/config_store.rb, line 37 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