octplane

This article introduces Fwissr, the configuration registry tool that we use to centralize all our configurations.

Photo by National Library of Norway

More than five years ago, when we started to build what became fotopedia, we had a main Rails application, a Merb application for user authentication and another Merb application for photo upload. These applications were deployed by Capistrano, and our servers were configured with Puppet with some scripts to glue everything together.

As the system evolved, we slowly got rid of many of these applications and started adding other components in the application stack. Puppet was replaced by [Chef](htt

octplane

Dress up your stack, add some Lackr to it

This article introduces Lackr, the core of our high speed http stack at Fotopedia.

Photo by Aurore D from Flickr

The need for Lackr emerged from the organic — but rational — way Fotonauts stack has evolved over a few years. This is the edifying tale of our long way towards modern architecture and good web performance.

octplane

use std::io::Write;
use std::fs::OpenOptions;
use std::path::{ Path};
use std::thread;


fn main() {
  let dst = Path::new("./test.txt");
  let mut file = OpenOptions::new().write(true).create(true).open(dst).unwrap();
  file.write_all(b"create").unwrap();

octplane

#!/usr/bin/env ruby

# Use dot separated pathspec:
# ./cooto.rb mysql.datadir
# /var/lib/mysql

require 'rubygems'
require 'chef/client'
require 'ohai'

octplane

class Chef
  class Provider
    class Package
      class Rubygems

        Chef::Log.info "Patch rubygems provider"

        @@GEM_CACHE = {}
        @@GEM_CACHE_TIMESTAMP = nil

octplane

25/05 16:40 ~% export rvm_trace_flag=2
25/05 16:41 ~% /Users/oct/.rvm/scripts/list
+ export rvm_trace_flag
++ echo ''
++ awk '{print $1}'
+ action=
+ [[ known = '' ]]
+ [[ default = '' ]]
+ [[ -z '' ]]
+ __rvm_list_rubies

octplane

26/05 13:30 ~/.rvm% rvm debug
ruby-1.8.7-p249:
/Users/oct/.rvm/rubies/ruby-1.8.7-p249/bin/gem: line 3: /Users/oct/.rvm/rubies/ruby-1.8.7-p249/bin/gem: Argument list too long
/Users/oct/.rvm/rubies/ruby-1.8.7-p249/bin/gem: line 3: /Users/oct/.rvm/rubies/ruby-1.8.7-p249/bin/gem: Unknown error: 0

rvm 0.1.33 by Wayne E. Seguin (wayneeseguin@gmail.com) [http://rvm.beginrescueend.com/]
ruby-1.8.7-p249:

  system:
    uname:        "Darwin Fatland.local 10.3.0 Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386 i386 MacPro4,1 Darwin"

octplane

26/05 13:32 ~/.rvm% rvm info
ruby-1.8.7-p249:

  system:
    uname:        "Darwin Fatland.local 10.3.0 Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386 i386 MacPro4,1 Darwin"
    shell:        "bash"
    version:      "3.2.48(1)-release"

  rvm:
    type:         "rvm is /Users/oct/.rvm/bin/rvm"

octplane

PATH=/Users/oct/.rvm/bin:/Users/oct/.rvm/bin:/Users/oct/.rvm/gems/ruby-1.8.7-p249/bin:/Users/oct/.rvm/gems/ruby-1.8.7-p249@global/bin:/Users/oct/.rvm/rubies/ruby-1.8.7-p249/bin:/Users/oct/bin:/opt/local/bin:/opt/local/sbin:/Users/oct/dev/sk/skprod/dist/bin:/Users/oct/dev/ec2/ec2-api-tools-1.3-36506/bin:/Users/oct/.gem/ruby/1.8/bin:/opt/local/git/libexec/git-core:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/git/bin:/usr/X11/bin:/Users/oct/dev/ec2/ElasticLoadBalancing-1.0.1.23/bin:/Users/kali/dev/orahome/bin
TMPDIR=/var/folders/1i/1i92nDJLH-e-pN4GIO1Gck+++TI/-Tmp-/
SHELL=/bin/zsh
HOME=/Users/oct
USER=oct
LOGNAME=oct
DISPLAY=/tmp/launch-4dBRIp/org.x:0
SSH_AUTH_SOCK=/tmp/launch-2JNjXD/Listeners
Apple_PubSub_Socket_Render=/tmp/launch-baeq8j/Render
COMMAND_MODE=unix2003

octplane

require 'thread'

module Rack
  class Middleware
    # This middleware will kill long running requests
    class SoftTimeout 
      def initialize(app, options = {})
        @app = app
        @max_time = options[:max_time] || 50
      end