GregMefford

defmodule MyApp.Tracer do                                                                                                                                                                                                                                                
  @moduledoc "Spandex Tracer"
  use Spandex.Tracer, otp_app: :my_app

  def async(func) do
    case current_context() do
      {:ok, tracer_ctx} ->
        Task.async(fn ->
          continue_trace("async", tracer_ctx, resource: "Task.async", service: :my_app_async)

GregMefford

(require '[clojure.string :as str])

(ns berlin
  (:require [clojure.test :refer :all]))

(defn render-lights [number-on total-lights]
  (let [on-lights (apply str (repeat number-on "*"))
        format-string (str "%-" total-lights "s")]
    (str/replace
      (format format-string on-lights)

GregMefford

Setting up the Environment (on CentOS+EPEL, assuming you already have RVM installed)
====================================================================================

  rvm install ruby-1.9
  rvm use ruby-1.9
  gem install bluecloth cabin i18n stud
  yum install asciidoc pandoc

  git checkout https://github.com/elasticsearch/logstash.git
  cd logstash/

GregMefford

input {
  tcp {
    port => 5000
    type => syslog
  }
  udp {
    port => 5000
    type => syslog
  }
}

GregMefford

# Paul Visscher and Greg Mefford
require 'time'

class BerlinClock

  def self.convert_time(time)
    t = Time.parse(time)
    clock = ""

    if t.sec % 2 == 0

GregMefford

# Packaging ruby with fpm is a bit meta
# You need ruby install to use fpm
# I used an RVM install on a VM install fpm in a packaging gemset

# Install EPEL if you don't have it already
rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/x86_64/epel-release-5-4.noarch.rpm

# Install deps for ruby build
yum install rpm-build readline-devel.x86_64 libffi-devel.x86_64 libyaml-devel.x86_64 zlib-devel.x86_64 openssl-devel.x86_64

GregMefford

# First do a fresh install of CentOS 5.7 i386, server configuration (no GUI)
# This should be performed as root since it's going to be installing a bunch of stuff

# --- Update things to make sure we have the latest patches ---
# Add EPEL so we can get reasonably recent packages
rpm -Uvh http://download.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm

# --- Install all the packages --- #
yum -y install python-whisper python-carbon graphite-web python-memcached python-ldap httpd memcached