require 'fileutils'
module NewRelic
module Rack
class MetricApp
def initialize(options)
if options[:install]
src = File.join(File.dirname(__FILE__), "newrelic.yml")
require 'new_relic/command'
begin
NewRelic::Command::Install.new(:quiet => true, :src_file => src).run
NewRelic::Agent.logger.info "A newrelic.yml template was copied to #{File.expand_path('.')}."
NewRelic::Agent.logger.info "Please add a license key to the file and restart #{$0}"
exit 0
rescue NewRelic::Command::CommandFailure => e
NewRelic::Agent.logger.error e.message
exit 1
end
end
options[:app_name] ||= 'EPM Monitor'
options[:disable_samplers] = true
NewRelic::Agent.manual_start options
unless NewRelic::Control.instance.license_key
raise "Please add a valid license key to newrelic.yml."
end
end
def call(env)
request = ::Rack::Request.new env
params = request.params
if !(params['uri'] || params['metric'])
[400, { 'Content-Type' => 'text/plain' }, "Missing 'uri' or 'metric' parameter: #{params.inspect}" ]
elsif !params['value']
[400, { 'Content-Type' => 'text/plain' }, "Missing 'value' parameter: #{params.inspect}" ]
else
NewRelic::Agent.record_transaction( params['value'].to_f, params )
::Rack::Response.new(params.collect { |k, v| "#{k}=#{v} " }.join).finish
end
end
end
class Status
def call(env)
request = ::Rack::Request.new env
data_url = "http://#{env['HTTP_HOST']}/metrics/path?value=nnn"
body = StringIO.new
body.puts ""
body.puts "New Relic Actively Monitoring #{NewRelic::Control.instance.app_names.join(' and ')}
"
body.puts "To submit a metric value, use #{data_url}
"
body.puts "Request Details
"
body.puts ""
body.puts "- ip
- #{request.ip}"
body.puts "
- host
- #{request.host}"
body.puts "
- path
- #{request.url}"
body.puts "
- query
- #{request.query_string}"
body.puts "
- params
- #{request.params.inspect}"
body.puts "
"
body.puts "Complete ENV
"
body.puts ""
body.puts env.to_a.map{|k,v| "- #{k} = #{v}
" }.join("\n")
body.puts "
"
response = ::Rack::Response.new body.string
response.finish
end
end
end
end