open source, infrastructure as code, cloud native apps 2015

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OPEN SOURCE, INFRASTRUCTURE AS CODE AND CLOUD NATIVE APPSJONAS ROSLAND, DEVELOPER ADVOCATE @EMCCODE

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Jonas RoslandDeveloper AdvocateEMC {code}

@jonasrosland

Loves travelingand retro gamingTalks a lot

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Lots of projects!

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Why are we doing this?

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Developers – The New Kingmakers

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Let's start with

infrastructure as code

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What do we define as infrastructure?

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• Deploy, monitor and connect together all the pieces needed to run services for the organization• Processes and tools for faster end-to-end delivery of

quality services• Automation comes built-in

Why define infrastructure as code?

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Manually configured environments are like a house of cards in a china

shop

- Neal Ford

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Up to 60% of failures are caused by human error,

not hardware failure

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Example - Knight Capital Group

https://infocus.emc.com/wp-content/uploads/2012/08/KCG.jpg

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• Manual deployment of new trading software• 7 of 8 servers correctly updated• Old function still alive on the 8th server led to…

Knight Capital Group - What happened?

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$440 million lossin 45 minutes

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Not good

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So

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Treat your infrastructure as code

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But how?

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Just start, right now!• Vagrant• Packer• Terraform• Otto• Nomad

• Puppet• Chef• Ansible• SaltStack(^ amazing config mgmt)

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node 'www2' {

class { 'apache': } # use apache module

apache::vhost { 'awesomewebsite.com': # define vhost

port => '80',

docroot => '/var/www/html'

}

}

Simple example

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user { root: ensure => present, password => '$ecretP@ssw0rd',}

Change root password

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AWS exampleresource "aws_elb" "frontend" { name = "frontend-load-balancer" listener { instance_port = 8000 instance_protocol = "http" lb_port = 80 lb_protocol = "http" }

instances = ["${aws_instance.app.*.id}"]} resource "aws_instance" "app" { count = 5 ami = "ami-043a5034" instance_type = "m1.small"}

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vSphere exampleresource "vsphere_virtual_machine" "default" { name = ”mysql-04" domain = ”corp.local" datacenter = "datacenter-1" cluster = "cluster-2" vcpu = 2 memory = 4096 disk { datastore = ”FLASH-DATASTORE-14" template = "centos-7.0-x86_64" iops = 5000 }

gateway = "192.168.0.254" network_interface { label = ”internal" ip_address = "192.168.0.74" subnet_mask = "255.255.255.0" }}

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• Self documenting infrastructure• You now have source code for how everything in your

datacenter is setup• Executable documentation

Recap of the benefits

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Alright

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Then what?

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Let’s look at thehistory of our apps

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From 10 years ago

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Or perhaps 2 days ago

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Consider astandard monolithic

application

38http://cantina.co/monolithic-architecture-doesnt-scale/

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How do you scale it?

40http://cantina.co/monolithic-architecture-doesnt-scale/

41http://cantina.co/monolithic-architecture-doesnt-scale/

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So what to do?

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It’s not all about scale

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But also aboutseparation of concern

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Microservices

46http://cantina.co/monolithic-architecture-doesnt-scale/

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Everything isloosely coupled

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Enables parts to be fixed, updated and worked on…

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Independently!

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Let’s look at an example

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Our apps are becomingCloud Native

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Cloud Native Architectures• Broad set of

components working together• Prescriptive software

stacks• Functions in mixed cloud

environments• Built on microservices

https://pivotal.io/platform/migrating-to-cloud-native-application-architectures-ebook

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Cloud Native Computing Foundation

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Cloud Native Platforms – Cloud Foundry

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Take this questionwith you…

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How long would it take your organization to deploy a change

that involves just one single line of code?

- Mary Poppendieck

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Questions?Jonas Rosland

Developer Advocate @ EMC {code}@jonasrosland