lmao if you don’t make it easy for users of your library to log, measure, and graph everything.

An Instrumented Library in ~30 Lines

railstips.org 23 Jan '13, 8pm

lmao if you don’t make it easy for users of your library to log, measure, and graph everything.

For the first time ever, I am going to lead with the end of the story. Here is the full ~30 lines that I will break down in detail during the rest of this post. require 'forwardable' module Foo module Instrumenters class Noop def self.instrument(name, payload = {}) yield payload if block_given? end end end class Client extend Forwardable def_delegator :@instrumenter, :instrument def initialize(options = {}) # some other setup for the client ... @instrumenter = options[:instrumenter] || Instrumenters::Noop end def execute(args = {}) instrument('client_execute.foo', args: args) { |payload| result = # do some work... payload[:result] = result result } end end end client = Foo::Client.new({ instrumenter: ActiveSupport::Notifications, }) client.execute(...) # I AM INSTRUMENTED!!! The Dark Side A while back, statsd grabbed a hold of the universe . It swept in like an elf on a un...

Full article: http://www.railstips.org/blog/archives/2013/01/23/an-inst...

Tweets

@madtrick » 24 Jan '13, 2pm
An Instrumented Library in ~30 Lines // RailsTips by John Nunemaker [link] via @prismatic
@fnando » 24 Jan '13, 1am
An Instrumented Library in ~30 Lines // RailsTips by John Nunemaker ~ [link]
@seriouslyruby » 23 Jan '13, 9pm
An Instrumented Library in ~30 Lines: The Full ~30 Lines For the first time ever, I am going to lea... [link] #ruby #rails
@BrianHallDev » 23 Jan '13, 8pm
RT @jnunemaker: lmao if you don’t make it easy for users of your library to log, measure, and graph everything. [link]
@railstipscom » 23 Jan '13, 8pm
RailsTips: An Instrumented Library in ~30 Lines [link]
@railscentric » 23 Jan '13, 8pm
An Instrumented Library in ~30 Lines: The Full ~30 Lines For the first time ever, I am going to lead with the en... [link]
@jnunemaker » 23 Jan '13, 8pm
lmao if you don’t make it easy for users of your library to log, measure, and graph everything. [link]
@mguterl » 23 Jan '13, 11pm
RT @jnunemaker: lmao if you don’t make it easy for users of your library to log, measure, and graph everything. [link]
@JobProd_Ruby » 23 Jan '13, 9pm
RT @jnunemaker An Instrumented Library in ~30 Lines [link]
@leviw » 23 Jan '13, 8pm
RT @jnunemaker: lmao if you don’t make it easy for users of your library to log, measure, and graph everything. [link]

An Instrumented Library in ~30 Lines

lmao if you don’t make it easy for users of your library to log, measure, and graph everything.

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