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OPS FOR DEVS

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OPS FOR DEVS

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Developers like to write CODE

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Developers hate dealing with SERVERS

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happiness

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Hardware happiness

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Operating System Hardware happiness

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Configuration Operating System Hardware happiness

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Framework Configuration Operating System Hardware happiness

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Business Logic Framework Configuration Operating System Hardware happiness

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LIFE WOULD BE AMAZING IF WE ONLY HAD TO WORRY ABOUT BUSINESS LOGIC

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BUT

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WE HAVE TO CARE ABOUT SERVERS bugs in production! version mismatches! kernel issues! hardware failures! security holes! architecture mismatches! missing hardware instructions! virtualization bugs! performance drops! server bills! client latency! bandwidth costs! internet!!1! omg hakx!

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how do we make servers look like code?

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full-featured Turing-complete very well supported

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class nginx { package { 'nginx': ensure => latest } service { 'nginx': ensure => running } file { '/etc/nginx/nginx.conf': ensure => present, source => 'puppet:///modules/nginx/nginx.conf', notify => Service['nginx'], } }

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configuration becomes code

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puppet code! app code!

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useful for one server

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invaluable for many servers

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also good for zero servers

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magical Vagrantfile

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Vagrant.configure("2") do |config| config.vm.box = "precise64" config.vm.box_url = "http://files.vagrantup.com/precise64.box" config.vm.network :forwarded_port, guest: 80, host: 8080 config.vm.network :forwarded_port, guest: 443, host: 8443 config.vm.synced_folder "./", "/var/www/" config.vm.provider :virtualbox do |vb| vb.customize ["modifyvm", :id, "--memory", "2048"] end config.vm.provision :puppet do |puppet| puppet.module_path = "puppet/modules" puppet.manifests_path = "puppet" puppet.manifest_file = "wubmachine.pp" end end choose any OS use your Puppet code share folders map ports

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puppet code environment =

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puppet code environment = using the same using the same

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dev/prod parity

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need ? mysql postgres memcached redis rabbitmq cassandra nginx buzzword buzzword buzzword

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capture in Puppet code

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test with Vagrant

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deploy with confidence

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setting up servers becomes trivial

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so when this happens...

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questions? @psobot