LAST Conference - Dev-Ops and Continuous Delivery

Continuous Delivery in the cloud i.e. Applied DevOps

@nigelfds github.com/nigelfds

AgendaIdeas behind this workshop Ideas in practice Continuous integration System integration Production deployment Summary Questions

Dev OpsOps Dev

Devops is not something youbuild, it’s something you do #devops

“Some people get stuck on the word ‘devops’, thinkingthat it’s just about development and operationsworking together.Systems thinking advises us to optimize the whole;therefore devops must apply to the wholeorganization, not only the part between developmentand operations.”— Patrick Debois

How do you improve the delivery process?

“How? By fast, automated of your on the production readiness feedback applications every time there is a change whether ” code, infrastructure, configuration or database Jez Humble Author Continuous Delivery

Great Message!We shall do Continuous Delivery

Automated implementation of yoursystem’s build, deploy, test, andapproval processes.

AutomateInfrastructure Configuration as code Management

ApplicationEnvironmentInfrastructure

Sample Application for #AWS TweetsSample App

github.com/nigelfds/aws-twitter-feed

I win with Continuous Integration

while (true) { if (change checked into vcs) then build & test sleep 60}

aws-twitter-feed repositorywhile (true) { if (change checked into vcs) then build & test sleep 60} RPM

Building Useful Servers

ApplicationEnvironmentInfrastructure

Puppet is IT automation software that helps systemadministrators manage infrastructurethroughout its lifecycle, fromprovisioning and configurationto patch management and compliance.

Puppet definition for our GO machine

Don’t make the Version Control Sad

github.com/nigelfds/configuration- masterPuppet definitionsand AWS scripts

To keep things moving, lets kick it off

S3 Bucket Self Configured Puppet & AWS Build scripts Server Packaged Scripts Cloud Formation APIs Create MachineBehind the scenes Nigel’s Laptop

AWS CloudFormation gives developersand systems administrators an easy way tocreate and manage a collection ofrelated AWS resources.

Once deployed, you can modify and update the AWS resources in acontrolled and predictable way allowing you to versioncontrol your AWS infrastructure in the same wayas you version control your software

Lets see how we’re doing

Repeatable & Continuous

In Short

Continuous Integration (Using )Declarative Env. Conf. (Using )Infrastructure as Code (Using )

AgendaIdeas behind this workshop Ideas in practice Continuous integrationSystem integration Production deployment Summary Questions

Everything works by itself

But they need to work together

Bring in the conductor =

Complex !

How does this look in

Self Configured GO Server App Server Cloud Formation APIsBehind the scenes

Lets see this on AWS

Snapshot -> AMIs are awesome

Boot Test QA =Speed Prod Instances

Agenda Ideas behind this workshop Ideas in practice Continuous integration System integrationProduction deployment Summary Questions

To keep things moving, lets kick it off

ELB Remove ZERO DOWNTIME ! ID-1 ID-2 AutoscalingTerminateInstance APP APPID-1ID-2 V2.0 V1.0 V2.0 V1.0 ID-3 ID-1 ID-2 ID-4

Lets see this working

This stuff is hard to get right

AutomateInfrastructure Configuration as code Management

Its about Risk

“I do believe that complexity is the enemy.Until we better understand complexity, ourchances of building better IT systems islimited. The first thing we must understandabout complexity is that not all complexity isequal. And the complexity on which mostpeople focus is probably the least complexcomplexity of all.”Roger Sessions http://simplearchitectures.blogspot.com/2009/03/cancer-of-complexity.html

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LAST Conference - Dev-Ops and Continuous Delivery

by Nigel Fernandes on Jul 28, 2012

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