A brief presentation on the trends around open source, infrastructure as code and cloud native apps that I see out there.

1. 1© Copyright 2015 EMC Corporation. All rights reserved.
OPEN SOURCE, INFRASTRUCTURE AS
CODE AND CLOUD NATIVE APPS
JONAS ROSLAND, DEVELOPER ADVOCATE @EMCCODE
1© Copyright 2015 EMC Corporation. All rights reserved.

2. 22© Copyright 2015 EMC Corporation. All rights reserved.
Jonas Rosland
Developer Advocate
EMC {code}
@jonasrosland
Loves traveling
and retro gaming
Talks a lot

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Lots of projects!

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github.com/emccode

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dashboard.emccode.com

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community.emccode.com

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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 loss
in 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 example
resource "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 example
resource "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 the
history 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 a
standard monolithic
application

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

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How do you scale it?

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

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http://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 about
separation of concern

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Microservices

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

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Everything is
loosely 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 becoming
Cloud 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 question
with 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