Continuous Delivery in the AWS Cloud

@flessa github.com/flessa

@nigelfds github.com/nigelfds

BIG IDEAS

Real World Tested

What are we talking about?

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

Infrastructure as code

ApplicationEnvironmentInfrastructure

consistency from development to production accidental necessary >> inconsistencyinconsistency deployment process environment configuration testing tools

Automation

Rebuild from code + data

Disk CPUNetwork Memory

Dev OpsOps Dev

In short.

1 2 3Infrastructure Automate DevOps as code

continuous delivery small feature chunks timesoftware always production ready releases tied to business needs, not IT constraintsminimize the lead time from idea to live concept to cash

Sample Application for #AWS TweetsSample App

github.com/nigelfds/aws-twitter-feed

WebApp Java/JVM Executable War ~ 30 lines of code Unix ServiceNative Packaging/RPM

Lets see this working

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

Puppet definition continued…

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

Cloud Formation Template…… "Resources" : { "Ec2Instance" : { "Type" : "AWS::EC2::Instance", "Properties" : { "InstanceType" : "c1.medium", "SecurityGroups" : [ { "Ref" : "InstanceSecurityGroup" } ], "KeyName" : { "Ref" : "KeyName" }, "ImageId" : { "Fn::FindInMap" : [ "RegionMap", { "Ref" : "AWS::Region" }, "AMI" ]}, "UserData": { "Ref": "BootScript" } } },……

Creating the stack with CloudFormationName of the stack Create the stack Self configuration scripts (Invokes Puppet)

Lets see how we’re doing

Repeatable & Continuous

Puppet definition for our GO machine Server Monitoring

In Short

Packaging for the target ( Using PMs)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

Creating the AMI Create an AMI from the running instace Save a reference to the Image IdDelete the running instance

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

1 2 3Infrastructure Automate DevOps as code

Thank you and …

“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

Ps. We’re hiring ;-)

Continuous Delivery in the AWS Cloud

by Nigel Fernandes

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