Class: Bosh::Agent::Settings

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/bosh_agent/settings.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ Settings

Returns a new instance of Settings.



19
20
21
22
 
# File 'lib/bosh_agent/settings.rb', line 19

def initialize(file)
  @settings = {}
  @cache_file = file
end

Class Method Details

.load(cache_path = nil) ⇒ Object

Loads settings specific to the current infrastructure, and then caches the result to disk. If it can’t fetch settings, it will fall back to previously cached settings



12
13
14
15
16
17
 
# File 'lib/bosh_agent/settings.rb', line 12

def self.load(cache_path=nil)
  settings = new(cache_path || Config.settings_file)
  settings.load
  settings.cache
  settings
end

Instance Method Details

#cache ⇒ Object 



32
33
34
35
36
37
 
# File 'lib/bosh_agent/settings.rb', line 32

def cache
  json = Yajl::Encoder.encode(@settings)
  File.open(@cache_file, 'w') do |file|
    file.write(json)
  end
end

#load ⇒ Object 



24
25
26
27
28
29
30
 
# File 'lib/bosh_agent/settings.rb', line 24

def load
  load_from_infrastructure
  cache
rescue LoadSettingsError => e
  logger.info("failed to load infrastructure settings: #{e.message}")
  load_from_cache
end