Automat ion: PowerShel l & DSCTools for the DevOps toolbox

Introductions

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Application Lifecycle ManagementDefineIdeation

DevelopIdea to working software

OperateWorking software in production Value realization

Users/Stakeholders

Development & testing

Operations

PRODUCTBACKLOG

OPSBACKLOG

MonitorImplement

MeasureActionable learning

Transition to Operations

How smooth is your handoff? What does a release look like for you?

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Release?

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Release

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Why do we care?• 2015 State of DevOps survey• Gap

• Lead Time – 200x gap • Deployment failures – 60x fewer• Mean Time To Recovery – 168x faster• 2x more likely to exceed profitability, market share, & productivity goals.• 50% higher market cap growth over 3 years.

Operat ions i s hard(ware).. and many other things, but let’s talk about hardware.

https://flic.kr/p/dZaCMA

Server HerdingServer Configurations

Role based configuration

Web Servers

SQL Servers

Web Services Servers

App based configuration

App 1

App 2

App 3

Environment based configuration

Dev

Test

Production

Why is this hard?

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What would be bet ter?

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Automation

https://flic.kr/p/c4QJzC

We need another tool

What is PowerShell DSC?• Extension to PowerShell language

• PS Syntax• Creates configuration scripts

• Creates and manages configuration files• Emphasis on servers

• Ensures servers are configured the way you need.• “Set it and forget it”

• The future of Windows Server Management (and Linux?)

https://en.wikipedia.org/wiki/Windows_PowerShell#/media/File:Windows_PowerShell_icon.png

Where does PS DSC fit in?

• Similar to Chef/Puppet • Based on industry standards

• Managed Object Format (MOF)• Common Information Model (CIM)

https://flic.kr/p/763JUC

Three Phased Approach.

Authoring

Staging

“Make it so”

Kick ing the t i res

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Recap• Implemented as a module

Get-Command –Module PSDesiredStateConfiguration

• Configuration is in a new command type.

• Get-DscResource is your friend

• Get-DscResource <name> -syntax is totally sweet

Contoso Univers i ty Webs i teLet’s make this a little more real.

RecapHow does this solve the problems we saw earlier?

https://flic.kr/p/bpKh74

Separation of Concerns

Dev

Test

Production

Structural Configurations

Environment Configuration Data

Application Configuration

Give me more!Write custom DSC resourcesPull modelPartial ConfigurationsDevelop configuration like code (version control, testing)Integration with server deployment processReporting

Works locally too…

https://flic.kr/p/cBFFFL

Questions?

Thank you!Josh GillespieJosh.Gillespie@polarissolutions.com@jcgillespie