1. TechEd 2013
11/13/2018 9:29 AM
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. Desired State Configuration in Windows PowerShell
11/13/2018 9:29 AM
MDC-B302
Desired State Configuration in Windows PowerShell
Kenneth Hansen
Jeffrey Snover
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. Monad Manifesto* Monad Automation Model (v1) Monad Shell (v1)
Monad Remote Scripting (v2)
Monad Management Console (v3)
Monad Management Models (v4) *

4. Make It So (@#$%@$&) Yes Sir! TechEd 2013 11/13/2018 9:29 AM
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

5. Primary cause of outage
Build 2012
11/13/2018
The Good and the Bad
Scale means…
Business is growing!!
However…
More servers
=> More Failures
Scale * Complexity
Exceeds Skill
Rapid change means…
Can respond and capture market
However…
More Change
=> More Failures
Change is
Primary cause of outage
Life in the Cloud… (management)
Rapid change, at scale with, constant failures
© 2012 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

6. $$ What everyone wants… Idea Continuous service availability +
Continuous rapid release cycle +
Continuous deployment_________
Automation $$
Idea
Business Development Operations

7. What is DSC?

8. PowerShell Desired State Configuration
Enables you to ensure that the components of your data center have the correct configuration
Allows “continuous deployment” and prevents “configuration drift”
Uses language extensions and providers to enable declarative, autonomous and idempotent (repeatable) Deployment, Configuration and Conformance of standards-based managed elements

9. Configuration and Continuous Deployment
Intent
Environment
Configuration
(Dev -> Test -> Production)
$WebConfigEnv
ComputerName = $VMServerNames
Name = “FourthCoffee” } …
Structural Configuration
WindowsFeature IIS {
Name = "Web-Server"
Ensure = "Present"
Make It So
Idempotent Automation
foreach -parallel ($featureName in $Name) {
$feature = Get-WindowsFeature -Name $featureName
if(($Ensure -eq "Present") -and (!$feature.Installed))
Install-WindowsFeature -Name $featureName ….

10. Configuration Staging Area
Push Model
“Make it So” Phase
(Declarative configuration is reified through imperative providers.)
Staging Phase
Fully declarative configuration representation using DMTF standard MOF instances
Configuration is calculated for all nodes
Authoring Phase
(May include imperative as well as declarative code)
PS V1, V2, V3
Local Configuration Store
Configuration Staging Area
(Contains DSC data)
PS V4***
Parser and Dispatcher
3rd party languages and tools
Imperative Providers
*** When authoring in PowerShell, on top of PSV3 imperative features, PSV4 adds:
Declarative syntax extensions
Schema-driven Intellisense
Schema validation (early-binding)
Providers implement changes:
Monotonic
Imperative
Idempotent

11. Pull Model Pull Server “Make it So” Phase
(Declarative configuration is reified through imperative providers.)
Staging Phase
Fully declarative configuration representation using DMTF standard MOF instances
Configuration is calculated for all nodes
Authoring Phase
(May include imperative as well as declarative code)
PS V1, V2, V3
Local Configuration Store
Pull Server
(Contains DSC data and Modules)
PS V4***
Parser and Dispatcher
3rd party languages and tools
Imperative Providers
*** When authoring in PowerShell, on top of PSV3 imperative features, PSV4 adds:
Declarative syntax extensions
Schema-driven Intellisense
Schema validation (early-binding)
Providers implement changes:
Monotonic
Imperative
Idempotent

12. How does this relate? System Center Configuration Manager
A management solution with extensible features focused on configuring the Enterprise on-premise compute. By contrast PowerShell DSC is a platform technology focused on the Cloud (servers and standard-based devices) helping to bridge development and operations.
System Center Virtual Machine Manager
SCVMM is a fabric controller that manages hypervisors, network and storage; creating, managing and configuring VMs and Services.  SCVMM Service Model can call DSC during provisioning. SCVMM Service Model and the new Cloud OS Virtual Machine Role can leverage DSC for configuration.
Windows PowerShell
The automation language and platform for Windows and standards-based devices. Extensively leveraged across Windows, Microsoft and the industry.
We are substantially increasing the Cloud OS capabilities of Windows Server by adding Desired State Configuration to the base platform via PowerShell.
Overtime, just as with PowerShell original, we expect strong leverage of the platform, making a fully integrated, better together story.

13. Directly Related at TechEd
DEV-B312
DevOps: Increasing Application Lifecycle Efficiencies with Microsoft Visual Studio and System Center
6/4 5:00pm-6:15pm.
MDC-IL206
Desired State Configuration with Windows Server 2012 R2 
S08 6/4 5:00pm-6:15pm
MDC-IL206-R
Desired State Configuration with Windows Server 2012 R2
S14 6/6 08:30am-9:45am

14. Desired State Configuration…
Simplify configuration
Prevent configuration drift
Enable continuous deployment
Create an ecosystem

15. Thank You!

16. Make It So (@#$%@$&) Yes Sir! TechEd 2013 11/13/2018 9:29 AM
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

17. Backup Slides

18. What Started the DSC Trend??
Declarative languages have been around a long time (Prolog 1970s )
Cloud => Rapid Change at Scale with Constant Failure
Forces automation
Birthed DevOps
Encourages DSC

19. PowerShell DSC (V1)
Declarative Configuration Syntax in PowerShell Language
Local Configuration Manager
Receives MOF documents declaring desired state of Node
Downloads and invokes idempotent resources to reify (make it so)
Simple “Pull Server”
Leverages and Creates an Ecosystem

20. FAQ –… Why add DSC to PowerShell instead of standalone?
What is the focus of PowerShell DSC?
How does DSC relate to Puppet/Chef/CFEngine? Vagrant?
How does DSC relate to SCCM?
How does DSC relate to SCVMM?
How does DSC relate to Azure service templates?

21. Observations Need a language to express desired state easily
Need components with associated properties (Types)
Need an agent to “Make It So”
Note: Nothing said about “How”
Declarative vs Imperative
Need Idempotence (repeatable)
Need both Push Model and Pull Model
Want to compare Actual and Expected States

22. Desired State Configuration Management
Configuration management (CM) is the detailed recording and updating of information that describes an enterprise's hardware and software. It is a process for establishing and maintaining consistency of a product's performance, functional and physical attributes with its requirements, design and operational information throughout its life. MIL-HDBK-61A, ""Military Handbook: Configuration Management Guidance". Department of Defense. 07-February-2001.

23. Expression of Configuration
Custom configuration is typically done using imperative scripts:
Regardless of how powerful the language, the author is still required to specify each and every action to perform along with all the error handling, logging, etc.
Level of detail makes imperative scripts complex to develop and hard to document and maintain
Hard to make these scripts really reliable
DSC languages use declarative scripting techniques
Much less powerful than general-purpose imperative programming languages
Contrained to expressing state in the domain systems configuration
They (typically) express the desired end state of the system , but (mostly) not how to get to that state.
Are idempotent and monotonic i.e. no matter how many times you run them, they always bring the system to the same final state

24. DevOps http://en.wikipedia.org/wiki/DevOps: Why does this matter?
"DevOps" is an emerging set of principles, methods and practices for communication, collaboration and integration between software development (application/software engineering) and IT operations (systems administration/infrastructure) professionals
Why does this matter?
Agile development techniques lead to rapid release cycles
Ops needs continuous integration and deployment to roll out rapid changes robustly.
<Where DSC and Automation have a strong role!>

25. Components PowerShell Language Extensions MOF Instance doc WMI Service
Used by DevOps / Operations to define and generate configuration doc, then deploy to and manage configuration for managed nodes
MOF Instance doc
Configuration document that is delivered to managed nodes
WMI Service
A rich, high-performance, standards-based management stack that is suitable for a wide range of management applications.
Local Configuration Store
File system storage of pending, current and previous configuration
Local Configuration Manager (LCM)
Component on the managed node that coordinates the reception and application of configuration data for that node.
Configuration Agent (CA)
Component that interprets configuration data and enacts any changes needed to bring the physical system state into alignment with the expressed configuration.
Resource Provider
Process configuration for a single resource. i.e.: Network Card, Disk, etc.

26. 11/13/2018 9:29 AM
Demo
Name
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

27. 11/13/2018 9:29 AM
Track resources
Learn more about Windows Server 2012 R2 Preview, download the datasheet and evaluation bits on
Learn more about System Center 2012 R2 Preview, download the datasheet and evaluation bits on
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

28. Resources Learning TechNet msdn http://channel9.msdn.com/Events/TechEd
11/13/2018 9:29 AM
Resources
Learning
Sessions on Demand
Microsoft Certification & Training Resources
TechNet
msdn
Resources for IT Professionals
Resources for Developers
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

29. Complete an evaluation on CommNet and enter to win!
11/13/2018 9:29 AM
Complete an evaluation on CommNet and enter to win!
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

30. 11/13/2018 9:29 AM
Required Slide
*delete this box when your slide is finalized
Your MS Tag will be inserted here during the final scrub.
Evaluate this session
Scan this QR code to evaluate this session and be automatically entered in a drawing to win a prize
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

31. 11/13/2018 9:29 AM
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.
© 2013 Microsoft Corporation. All rights reserved. Microsoft, Windows, and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.