Class: Instana::Config

Inherits:
Object
  • Object
show all
Defined in:
lib/instana/config.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Config

Returns a new instance of Config.



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# File 'lib/instana/config.rb', line 4

def initialize
  @config = {}
  if ENV.key?('INSTANA_AGENT_HOST')
    @config[:agent_host] = ENV['INSTANA_AGENT_HOST']
  else
    @config[:agent_host] = '127.0.0.1'
  end
  if ENV.key?('INSTANA_AGENT_PORT')
    @config[:agent_port] = ENV['INSTANA_AGENT_PORT']
  else
    @config[:agent_port] = 42699
  end

  # Global on/off switch for prebuilt environments
  # Setting this to false will disable this gem
  # from doing anything.
  @config[:enabled] = true

  # Enable/disable metrics globally or individually (default: all enabled)
  @config[:metrics] = { :enabled => true }
  @config[:metrics][:gc]     = { :enabled => true }
  @config[:metrics][:memory] = { :enabled => true }
  @config[:metrics][:thread] = { :enabled => true }

  # Enable/disable tracing (default: enabled)
  @config[:tracing] = { :enabled => true }

  if ENV.key?('INSTANA_DEBUG')
    @config[:collector] = { :enabled => true, :interval => 3 }
  else
    @config[:collector] = { :enabled => true, :interval => 1 }
  end

  # EUM Related
  @config[:eum_api_key] = nil
  @config[:eum_baggage] = {}

  # In Ruby, backtrace collection is very expensive so it's
  # (unfortunately) disabled by default.  If you still want
  # backtraces, it can be enabled with this config option.
  # ::Instana.config[:collect_backtraces] = true
  @config[:collect_backtraces] = false

  @config[:action_controller]  = { :enabled => true }
  @config[:action_view]        = { :enabled => true }
  @config[:active_record]      = { :enabled => true }
  @config[:dalli]              = { :enabled => true }
  @config[:excon]              = { :enabled => true }
  @config[:grpc]               = { :enabled => true }
  @config[:nethttp]            = { :enabled => true }
  @config[:redis]              = { :enabled => true }
  @config[:'resque-client']    = { :enabled => true }
  @config[:'resque-worker']    = { :enabled => true }
  @config[:'rest-client']      = { :enabled => true }
  @config[:'sidekiq-client']   = { :enabled => true }
  @config[:'sidekiq-worker']   = { :enabled => true }
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/instana/config.rb', line 62

def [](key)
  @config[key.to_sym]
end

#[]=(key, value) ⇒ Object 



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# File 'lib/instana/config.rb', line 66

def []=(key, value)
  @config[key.to_sym] = value

  if key == :enabled
    # Configuring global enable/disable flag, then set the
    # appropriate children flags.
    @config[:metrics][:enabled] = value
    @config[:tracing][:enabled] = value
  end
end