Class: NewRelic::Agent::Configuration::DefaultSource

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/new_relic/agent/configuration/default_source.rb

Constant Summary collapse

DEFAULT_LOG_DIR = 
'log/'.freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ DefaultSource

Returns a new instance of DefaultSource.



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 47

def initialize
  @defaults = default_values
end

Instance Attribute Details

#defaults ⇒ Object (readonly) 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 41

def defaults
  @defaults
end

Class Method Details

.agent_enabled ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 146

def self.agent_enabled
  proc {
    NewRelic::Agent.config[:enabled] &&
      (NewRelic::Agent.config[:test_mode] || NewRelic::Agent.config[:monitor_mode]) &&
      NewRelic::Agent::Autostart.agent_should_start?
  }
end

.allowlist_for(key) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 67

def self.allowlist_for(key)
  value_from_defaults(key, :allowlist)
end

.app_name ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 166

def self.app_name
  proc { NewRelic::Control.instance.env }
end

.audit_log_path ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 156

def self.audit_log_path
  proc {
    log_file_path = NewRelic::Agent.config[:log_file_path]
    wants_stdout = (log_file_path.casecmp(NewRelic::STANDARD_OUT) == 0)
    audit_log_dir = wants_stdout ? DEFAULT_LOG_DIR : log_file_path

    File.join(audit_log_dir, 'newrelic_audit.log')
  }
end

.config_path ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 113

def self.config_path
  proc {
    found_path = NewRelic::Agent.config[:config_search_paths].detect do |file|
      File.expand_path(file) if File.exist?(file)
    end
    found_path || NewRelic::EMPTY_STR
  }
end

.config_search_paths ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 79

def self.config_search_paths
  proc {
    yaml = 'newrelic.yml'
    config_yaml = File.join('config', yaml)
    erb = 'newrelic.yml.erb'
    config_erb = File.join('config', erb)

    paths = [config_yaml, yaml, config_erb, erb]

    if NewRelic::Control.instance.root
      paths << File.join(NewRelic::Control.instance.root, config_yaml)
      paths << File.join(NewRelic::Control.instance.root, yaml)
      paths << File.join(NewRelic::Control.instance.root, config_erb)
      paths << File.join(NewRelic::Control.instance.root, erb)
    end

    if ENV['HOME']
      paths << File.join(ENV['HOME'], '.newrelic', yaml)
      paths << File.join(ENV['HOME'], yaml)
      paths << File.join(ENV['HOME'], '.newrelic', erb)
      paths << File.join(ENV['HOME'], erb)
    end

    # If we're packaged for warbler, we can tell from GEM_HOME
    if ENV['GEM_HOME']&.end_with?('.jar!')
      app_name = File.basename(ENV['GEM_HOME'], '.jar!')
      paths << File.join(ENV['GEM_HOME'], app_name, config_yaml)
      paths << File.join(ENV['GEM_HOME'], app_name, config_erb)
    end

    paths
  }
end

.convert_to_constant_list(string_array) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 208

def self.convert_to_constant_list(string_array)
  return string_array if string_array.empty?

  constants = string_array.map! do |class_name|
    const = ::NewRelic::LanguageSupport.constantize(class_name)
    NewRelic::Agent.logger.warn("Ignoring invalid constant '#{class_name}' in #{string_array}") unless const
    const
  end
  constants.compact!
  constants
end

.convert_to_regexp_list(string_array) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 204

def self.convert_to_regexp_list(string_array)
  string_array.map { |value| /#{value}/ }
end

.default_for(key) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 71

def self.default_for(key)
  value_from_defaults(key, :default)
end

.default_settings(key) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 59

def self.default_settings(key)
  ::NewRelic::Agent::Configuration::DEFAULTS[key]
end

.dispatcher ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 170

def self.dispatcher
  proc { NewRelic::Control.instance.local_env.discovered_dispatcher }
end

.framework ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 122

def self.framework
  proc {
    case
    when defined?(::NewRelic::TEST) then :test
    when defined?(::Rails::VERSION)
      case Rails::VERSION::MAJOR
      when 3
        :rails3
      when 4..8
        :rails_notifications
      else
        ::NewRelic::Agent.logger.warn("Detected untested Rails version #{Rails::VERSION::STRING}")
        :rails_notifications
      end
    when defined?(::Padrino) && defined?(::Padrino::PathRouter::Router) then :padrino
    when defined?(::Sinatra) && defined?(::Sinatra::Base) then :sinatra
    when defined?(::Roda) then :roda
    when defined?(::Grape) then :grape
    when defined?(::NewRelic::IA) then :external
    else :ruby
    end
  }
end

.host ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 193

def self.host
  proc do
    regex = /\A(?<identifier>.+?)x/
    if matches = regex.match(String(NewRelic::Agent.config[:license_key]))
      "collector.#{matches['identifier']}.nr-data.net"
    else
      'collector.newrelic.com'
    end
  end
end

.profiling_available ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 182

def self.profiling_available
  proc {
    begin
      require 'ruby-prof'
      true
    rescue LoadError
      false
    end
  }
end

.thread_profiler_enabled ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 174

def self.thread_profiler_enabled
  proc { NewRelic::Agent::Threading::BacktraceService.is_supported? }
end

.transaction_tracer_transaction_threshold ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 178

def self.transaction_tracer_transaction_threshold
  proc { NewRelic::Agent.config[:apdex_t] * 4 }
end

.transform_for(key) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 75

def self.transform_for(key)
  value_from_defaults(key, :transform)
end

.value_from_defaults(key, subkey) ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 63

def self.value_from_defaults(key, subkey)
  default_settings(key)&.send(:[], subkey)
end

Instance Method Details

#default_values ⇒ Object 



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# File 'lib/new_relic/agent/configuration/default_source.rb', line 51

def default_values
  result = {}
  ::NewRelic::Agent::Configuration::DEFAULTS.each do |key, value|
    result[key] = value[:default]
  end
  result
end