Class: HerokuMongoWatcher::Configuration

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/heroku_mongo_watcher/configuration.rb

Constant Summary collapse

@@config = 
{
    error_messages: ['Error', 'Exception', 'Cannot find impression', 'Timed out running'],
    notify: [],
    gmail_username: '',
    gmail_password: '',
    interval: 60,
    mongo_host: '',
    mongo_username: '',
    mongo_password: '',
    heroku_username: '',
    heroku_password: '',
    heroku_appname: '',
    print_errors: false,
    print_requests: false
}
@@valid_config_keys = 
@@config.keys

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/heroku_mongo_watcher/configuration.rb', line 26

def initialize
  f = File.join(File.expand_path('~'),'.watcher')
  configure_with(f)

  opts = Trollop::options do
    opt :print_errors, "show aggregate error summaries", default: false
    opt :print_requests, "show aggregate requests summaries", default: false
    opt :interval, "frequency in seconds to poll mongostat and print out results", default: 60
    opt :autoscale, "autoscale dynos -- WARNING ONLY DO THIS IF YOU KNOW WHAT YOUR ARE DOING", default: false
    opt :min_dynos, "For autoscaling, the minimum dynos to use", default: 6
    opt :max_dynos, "For autoscaling, the max dynos to use", default: 50
  end

  @@config.merge!(opts)

end

Instance Method Details

#config ⇒ Object 



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# File 'lib/heroku_mongo_watcher/configuration.rb', line 43

def config
  @@config
end

#configure(opts = {}) ⇒ Object

Configure through hash



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# File 'lib/heroku_mongo_watcher/configuration.rb', line 61

def configure(opts = {})
  opts.each { |k, v| config[k.to_sym] = v if @@valid_config_keys.include? k.to_sym }
end

#configure_with(path_to_yaml_file) ⇒ Object

Configure through yaml file



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# File 'lib/heroku_mongo_watcher/configuration.rb', line 48

def configure_with(path_to_yaml_file)
  begin
    y_config = YAML::load(IO.read(path_to_yaml_file))
  rescue Errno::ENOENT
    log(:warning, "YAML configuration file couldn't be found. Using defaults."); return
  rescue Psych::SyntaxError
    log(:warning, "YAML configuration file contains invalid syntax. Using defaults."); return
  end

  configure(y_config)
end