Class: NewRelic::Agent::Configuration::YamlSource

Inherits:
DottedHash
  • Object
show all
Defined in:
lib/new_relic/agent/configuration/yaml_source.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from DottedHash

#inspect, #to_hash

Constructor Details

#initialize(path, env) ⇒ YamlSource

Returns a new instance of YamlSource.



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# File 'lib/new_relic/agent/configuration/yaml_source.rb', line 13

def initialize(path, env)
  ::NewRelic::Agent.logger.info("Reading configuration from #{path}")

  config = {}
  begin
    @file_path = File.expand_path(path)
    if !File.exists?(@file_path)
      ::NewRelic::Agent.logger.error("Unable to load configuration from #{path}")
      return
    end

    file = File.read(@file_path)

    # Next two are for populating the newrelic.yml via erb binding, necessary
    # when using the default newrelic.yml file
    generated_for_user = ''
    license_key = ''

    erb = ERB.new(file).result(binding)
    confighash = with_yaml_engine { YAML.load(erb) }
    ::NewRelic::Agent.logger.error("Config (#{path}) doesn't include a '#{env}' environment!") unless
      confighash.key?(env)

    config = merge!(confighash[env] || {})
  rescue ScriptError, StandardError => e
    ::NewRelic::Agent.logger.error("Unable to read configuration file #{path}: #{e}")
  end

  if config['transaction_tracer'] &&
      config['transaction_tracer']['transaction_threshold'] =~ /apdex_f/i
    # when value is "apdex_f" remove the config and defer to default
    config['transaction_tracer'].delete('transaction_threshold')
  end

  booleanify_values(config, 'agent_enabled', 'enabled', 'monitor_daemons')

  super(config)
end

Instance Attribute Details

#file_path ⇒ Object

Returns the value of attribute file_path.



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# File 'lib/new_relic/agent/configuration/yaml_source.rb', line 11

def file_path
  @file_path
end