© Mayflower GmbH 2010

DevOps for PHP

Florian Anderiasch I October 28, 2011

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DeveloperEx-AdminDevOp?

„I rant a lot“

@anderiaschstay in touch!

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Do you knowDevOps?

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„These are cool tools!“=>

„I'm doing DevOps now!“

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It's not aboutthe tools!

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It's about the culture!

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Coming from WebOps

We often don't have muchoperations personnel.

LAMP stack is our home

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Learn from each other!

Work together!

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From ops to dev:repeatability

change managementmonitoring

provisioning

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From dev to ops:unit tests

version controlagile methods

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Why DevOps?

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How manyreleases per

year?

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Some peopledo up to

60 per day

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We're strivingfor one per day.

For now.

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We've come a long way

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Development in the dark ages

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Golden ImageVMware/KVM

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Copying files over FTPto a shared host

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rsync /vcs checkout

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Hardware= Software= Configuration

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OK, tools are important.

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Bad news:they love ruby

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Good news:There are DSLs

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But in the end:It works

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Going from:do X or YTowards:

I want state Z

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Don't reinventthe wheel.

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puppet modules

apache, nginx, varnishphp, ruby, tomcat

mysql, pgsql, memcache

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Monitoring

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http://www.puppetlabs.com/puppet/related-projects/dashboard/

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I know how I wantmy servers to look like

Let's replicate thatfor development

as close as possible

Vagrant

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Based on VirtualBox

automatically create VMspuppet or chef included

Vagrant

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Fully versioned configs

On-Demand creation

Developer Self Service

Vagrant

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Getting startedin 3 easy steps

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Manage your setup with Vagrant and

VeeWee(needs VirtualBox and Ruby)

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$ gem install vagrant $ gem install veewee $ vagrant basebox templates

$ vagrant basebox define 'natty' \ 'ubuntu-11.04-server-amd64' $ vagrant basebox build 'natty' $ vagrant basebox export natty $ vagrant box add 'natty' 'natty.box'

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http://vagrantbox.es

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$ gem install vagrant $ vagrant box add maverick64 http://mathie-vagrant-boxes.s3.amazonaws.com/maverick64.box $ mkdir maverick_demo $ cd maverick_demo $ vagrant init maverick64 $ vagrant up $ vagrant sshvagrant@maverick64:~$

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Manage your configuration

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Chef or Puppet

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- Configuration as Code- Client-only or Client-Server setup- backed by companies- officially supported by Amazon- tried and tested- good documentation- good, vibrant communities

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- Chef is ruby code, puppet has a DSL- puppet has the bigger community- puppet has more documentation- but chef is catching up- puppet: europe, chef: USA- chef is more flexible- if you puppet, you don't know ruby and vice versa

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- both know current configuration- you define your nodes (servers)- lots of community cookbooks/modules- easy to extend- templates- providers as platform abstractions (e.g. apt-get/ports/yum)

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There's no „better“ tool.

But we prefer puppet. Less Ruby ;)

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user { 'florian': ensure => present, uid => '507', gid => 'admin', shell => '/bin/bash', home => '/home/florian', managehome => true,}

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user „florian“ do username „florian“ password „$1$P$WXmqrQEVj88fVTHevErxq.“ shell „/bin/bash“ system true supports :manage_home => trueend

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Back to Vagrant

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Vagrant::Config.run do |config| config.vm.box = „natty“end

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$ cat VagrantfileVagrant::Config.run do |config| config.vm.provision :puppet, :module_path => „modules“ do |puppet| puppet.manifests_path = „manifests“ puppet.manifest_file = „development.pp“ end

config.vm.define :web do |web_config| web_config.vm.box = „natty“ web_config.vm.host_name = „webserver01“ web_config.vm.network „33.33.33.10“ web_config.vm.forward_port „http“,80,8080 web_config.vm.port „ssh“,22,2222 web_config.vm.share_folder „v-data“,“/srv/www“,“../silex-demo“ endend

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$ cat manifests/development.ppimport „classes/*“

node „webserver01“ { include web}

node „dbserver01“ { include db}

node „ciserver01“ { include ci}

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$ cat manifests/classes/web.ppclass web inherits basenode { include apache include apache::php apache::vhost { 'silex-demo.local': port => '80', docroot => '/srv/www/docroot', }

package { ['mysql-client','php5-cli',...]: ensure => present, }}

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$ cat manifests/classes/ci.ppclass ci inherits basenode { include apache include apache::php exec { 'pear-autodiscover': command => '/usr/bin/pear config-set \auto_discover 1', } package{ \['pear.phpunit.de/PHP_CodeBrowser',...]: ensure => latest, provider => 'pear', require => Exec['pear-autodiscover'], }}

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Make the configurationpart of your source code

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.|-- application|-- data|-- docs|-- library|-- public|-- scripts| |-- jobs| |-- build| \-- configuration| |-- Vagrantfile| |-- manifests| \-- modules|-- temp\-- tests

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Why did I do that?

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SimpleFailsafe

Fast SetupRepeatableConsistent

Self-Service

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No more golden images!

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No more USB sticks!

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Just one directoryin your vcs

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Machine Life Cycle Management:

Foreman

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A frontend for puppetShows the system inventory

Create new machinesProvisioning

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I want more!Like 20+

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McCloud

wrapper around Vagrant and Fog

transparent local& cloud usage

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I want more!Like 500...

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mCollective

ssh-for-loop on steroids

fast management for loads of servers

uses puppet/facter, MQ-based

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$ mc-package -W "architecture=x86" status apache * [ ==================================> ] 10 / 10host01.example.com version = apache-2.2.9-7 host02.example.com version = apache-2.2.9-7 host03.example.com version = apache-2.2.9-7 host04.example.com version = apache-2.2.9-7 host05.example.com version = apache-2.2.9-7 host06.example.com version = apache-2.2.9-7 host07.example.com version = apache-2.2.9-7 host08.example.com version = apache-2.2.9-7 host09.example.com version = apache-2.2.9-7 host10.example.com version = apache-2.2.9-7---- package agent summary ----Nodes: 10 / 10Versions: 10 * 0.25.5-1.el5Elapsed Time: 1.03 s

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DevOps@Mayflower

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1-2 „admins“per team

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Operationsand

Development

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Working hand in handwith company admins

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Got root?Yes.

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1+n puppetmaster

1 centraln teams

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Example setup:puppetmaster

10 developer VMsJenkins

4x Staging (eucalyptus)4x Live (Amazon)

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More tools:gitorious

eucalyptus cloudproxmox

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In the works:Vagrant

Scrum => KanbanPuppet + Nagios

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Questions?

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Thanks for listening!

Contact Florian Anderiasch

florian.anderiasch@mayflower.de

+49 89 242054 1134

@anderiasch

Mayflower GmbH

Mannhardtstrasse 6

80538 München

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Images

Domo-Kun(5)http://www.hawaiikawaii.net/2011/domo-kun-wallpaper-on-my-desktop/

Domo-Kun(6), Nina Helmer, CC-BY-NC-NDhttp://www.flickr.com/photos/origami_potato/3242174542/

Clouds (21), John Mueller, CC-BY-NC-NDhttp://www.flickr.com/photos/johnmueller/52621490/

Domo-Kun (23)http://i572.photobucket.com/albums/ss163/xxLoveorDie54xx/OMG-Its-Domo-kun.jpg

puppet-dashboard (31)http://puppetlabs.com/puppet/related-projects/dashboard/