Skip to content

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: v2_5_1@3484
Fetching contributors…

Cannot retrieve contributors at this time

97 lines (83 sloc) 3.373 kb
require 'yaml'
require 'newrelic/agent/method_tracer'
require 'newrelic/local_environment'
def to_stderr(s)
STDERR.puts "** [NewRelic] " + s
end
# Initializer for the NewRelic Agent
config_filename = File.join(File.dirname(__FILE__), '..','..','..','config','newrelic.yml')
begin catch(:disabled) do
begin
newrelic_config_file = File.read(File.expand_path(config_filename))
rescue => e
to_stderr e
to_stderr "Could not read configuration file #{config_filename}."
to_stderr "Be sure to put newrelic.yml into your config directory."
to_stderr "Agent is disabled."
throw :disabled
end
begin
newrelic_agent_config = YAML.load(newrelic_config_file)[RAILS_ENV] || {}
rescue Exception => e
to_stderr "Error parsing #{newrelic_config_file}"
to_stderr "#{e}"
to_stderr "Agent is disabled."
throw :disabled
end
newrelic_agent_config.freeze
::NR_CONFIG_FILE = newrelic_agent_config
::RPM_AGENT_ENABLED = newrelic_agent_config['enabled']
::RPM_DEVELOPER = newrelic_agent_config['developer']
# Check to see if the agent should be enabled or not
# This determines the environment we are running in
env = NewRelic::LocalEnvironment.new
# note if the agent is not turned on via the enabled flag in the
# configuration file, the application will be untouched, and it will
# behave exaclty as if the agent were never installed in the first place.
::RPM_TRACERS_ENABLED = ::RPM_DEVELOPER || ::RPM_AGENT_ENABLED
# START THE AGENT
# We install the shim agent unless the tracers are enabled, the plugin
# env setting is not false, and the agent started okay.
if ::RPM_TRACERS_ENABLED && !(ENV['NEWRELIC_ENABLE'].to_s =~ /false|off|no/i)
require 'newrelic/agent'
NewRelic::Agent::Agent.instance.start(env.environment, env.identifier)
else
require 'newrelic/shim_agent'
throw :disabled
end
# When (and only when) RPM is running in developer mode, a few pages
# are added to your application that present performance information
# on the last 100 http requests your application has handled, allowing
# you to diagnose performance problems on your desktop.
#
# to see this information, visit http://localhost:3000/newrelic
if ::RPM_DEVELOPER
controller_path = File.join(File.dirname(__FILE__), 'ui', 'controllers')
helper_path = File.join(File.dirname(__FILE__), 'ui', 'helpers')
$LOAD_PATH << controller_path
$LOAD_PATH << helper_path
# Rails Edge
if defined? ActiveSupport::Dependencies
ActiveSupport::Dependencies.load_paths << controller_path
ActiveSupport::Dependencies.load_paths << helper_path
else
Dependencies.load_paths << controller_path
Dependencies.load_paths << helper_path
end
config.controller_paths << controller_path
require 'newrelic_routing'
# inform user that the dev edition is available if we are running inside
# a webserver process
if env.identifier
port = env.identifier =~ /^\d+/ ? ":#{port}" : ""
to_stderr "NewRelic Agent (Developer Mode) enabled."
to_stderr "To view performance information, go to http://localhost#{port}/newrelic"
end
end
end
rescue Exception => e
to_stderr "Error initializing New Relic plugin"
to_stderr "#{e}"
to_stderr e.backtrace.join("\n")
to_stderr "Agent is disabled."
end
Jump to Line
Something went wrong with that request. Please try again.