The Immutable Golden Image

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Presentation from the 2018 VMworld EUC Speakeasy Event hosted by Brian Madden covering the challenges of the Windows 10 release cycle and how to address them by automating VDI desktop image builds.

Technology

PLEASE WAIT….
LOADING….. LOADING….. LOADING…..

The Immutable Golden
Image
or How I Learned to Stop Worrying
and Love Windows 10
SEAN MASSEY
@SEANPMASSEY

About Me
 VCDX-DTM #247
 Senior Technical Architect, End User Computing at AHEAD
 Live in Kimberly, WI
 Blog at http://thevirtualhorizon.com
 Twitter: @seanpmassey
 LinkedIn: https://www.linkedin.com/in/seanpmassey
 VMware EUC Champion, NVIDIA GRID Community Advisor, Nutanix
Technology Champion
 On the Wisconsin VMUG Steering Committee

Shout-out to my colleague Ryan
Butler who has helped develop this
idea

A Brief History of Popular Windows
Windows Desktop Operating Systems
(Release through End of Extended Support)
 Windows XP – August 2001- April 2014 (12 years)
 Windows 7 – October 2009 – January 2020 (10 years)
 Windows 8.1 – October 2013 – January 2023 (10
years)

Benefits and Drawbacks of the Old
Windows Lifecycle
 Platform Stability
 Application Compatibility
 Support Expertise
 Delay Between Releases
 Major Upgrades Required
Reinstall
 Security
 Maintainability – Driver
Issues/OotB Support

What does the past have to do with
Windows 10?

Windows 10 Changes How Enterprises
Deal With Windows Desktops

Windows Servicing – Old vs. New
Graphic Shamelessly Borrowed from Microsoft: https://docs.microsoft.com/en-
us/windows/deployment/update/waas-servicing-strategy-windows-10-updates

Windows 10 Servicing Channels
 Windows Insider (Beta)
 Semi-Annual Channel (Release)
 2 Feature Releases per year,
 18 months of support per release
 Long-Term Servicing Channel (Critical Infrastructure)
 Release every couple of years, 10 years of support per release
 Security Updates Only
 Factory Control Equipment, Medical Equipment, ATMs/Voting Machines

VDI Gold Images were rarely built
from scratch. When they were, many
images were “handmade artisanal”
Golden Images.

A New Image Is Created And
Deployed Any Time a Change is Made

Don’t Upgrade - Rebuild
 In-place Upgrade does not play nicely with some VDI Agents
 https://kb.vmware.com/s/article/2148176
 Application Compatibility Testing for each image is a
challenge
 Multiple Images in Environment for Different Use Cases
 Get a clean build with every major change.
 Caveat – Mainly for Non-Persistent Desktops

Maybe Not Every Change…
 Major Changes
 New Windows 10 Releases
 Horizon/Citrix Upgrades
 Hypervisor Tools
 3rd-Party Drivers
 Core LOB Software Upgrades
– IE Epic or Office 2016
 New Use Cases
 Security Software upgrades
 Not Major Changes:
 New Fonts
 Registry Tweaks
 Group Policy Changes
 Patch Tuesday
 Minor apps or minor
app updates –
Upgrading Putty
 Antivirus Signatures

Automate All The Builds!
 Hand-building images is error-prone and time consuming
 Doesn’t provide consistent results
 Automated Builds are Repeatable – Provides Consistent
Results Every Time
 Allows for Automated Testing – validate and document that
the image is ready before deployment.
 Allows for deployments on a schedule.

Image Pipeline
CreateVM -
Scripted
Automated
OS/App
Deployment
Optimizeand
ConfigureVM/
OS/Apps
Test Image
and Report
Passed Test?
Email Admins
and remediate
Email Admins
and prepareto
deploy
Deploy Image
Request Image
Change
Update
Deployment
Processand
Tests

End Result – DevOps Pipeline for VDI
Desktops

Automated Image Building Tools
 Microsoft Deployment Toolkit
 Packer
 Chocolately with private repo
 BoxStarter
 PowerShell/Desired State Configuration
 PowerCLI or Infrastructure APIs
 Pester for testing
 CI Tool like Jenkins to run build tests
 JIRA/Service Now/Help Desk software to track changes
Any combination of these tools can be used to build your workflows.

Thank You!
FILL OUT YOUR SURVEYS.
TRY THE VEAL. TIP YOUR WAITRESSES….

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The Immutable Golden Image

1. PLEASE WAIT…. LOADING….. LOADING….. LOADING…..

2. The Immutable Golden Image or How I Learned to Stop Worrying and Love Windows 10 SEAN MASSEY @SEANPMASSEY

3. About Me  VCDX-DTM #247  Senior Technical Architect, End User Computing at AHEAD  Live in Kimberly, WI  Blog at http://thevirtualhorizon.com  Twitter: @seanpmassey  LinkedIn: https://www.linkedin.com/in/seanpmassey  VMware EUC Champion, NVIDIA GRID Community Advisor, Nutanix Technology Champion  On the Wisconsin VMUG Steering Committee

4. Shout-out to my colleague Ryan Butler who has helped develop this idea

5. A Brief History of Popular Windows Windows Desktop Operating Systems (Release through End of Extended Support)  Windows XP – August 2001- April 2014 (12 years)  Windows 7 – October 2009 – January 2020 (10 years)  Windows 8.1 – October 2013 – January 2023 (10 years)

7. Benefits and Drawbacks of the Old Windows Lifecycle  Platform Stability  Application Compatibility  Support Expertise  Delay Between Releases  Major Upgrades Required Reinstall  Security  Maintainability – Driver Issues/OotB Support

8. What does the past have to do with Windows 10?

9. Windows 10 Changes How Enterprises Deal With Windows Desktops

10. And By Change, They Mean…

11. Windows Servicing – Old vs. New Graphic Shamelessly Borrowed from Microsoft: https://docs.microsoft.com/en- us/windows/deployment/update/waas-servicing-strategy-windows-10-updates

12. Windows 10 Servicing Channels  Windows Insider (Beta)  Semi-Annual Channel (Release)  2 Feature Releases per year,  18 months of support per release  Long-Term Servicing Channel (Critical Infrastructure)  Release every couple of years, 10 years of support per release  Security Updates Only  Factory Control Equipment, Medical Equipment, ATMs/Voting Machines

13. What About Windows 10 in VDI?

14. VDI Gold Images were rarely built from scratch. When they were, many images were “handmade artisanal” Golden Images.

15. Immutable Gold Images

16. A New Image Is Created And Deployed Any Time a Change is Made

17. Don’t Upgrade - Rebuild  In-place Upgrade does not play nicely with some VDI Agents  https://kb.vmware.com/s/article/2148176  Application Compatibility Testing for each image is a challenge  Multiple Images in Environment for Different Use Cases  Get a clean build with every major change.  Caveat – Mainly for Non-Persistent Desktops

18. Maybe Not Every Change…  Major Changes  New Windows 10 Releases  Horizon/Citrix Upgrades  Hypervisor Tools  3rd-Party Drivers  Core LOB Software Upgrades – IE Epic or Office 2016  New Use Cases  Security Software upgrades  Not Major Changes:  New Fonts  Registry Tweaks  Group Policy Changes  Patch Tuesday  Minor apps or minor app updates – Upgrading Putty  Antivirus Signatures

19. Automate All The Builds!  Hand-building images is error-prone and time consuming  Doesn’t provide consistent results  Automated Builds are Repeatable – Provides Consistent Results Every Time  Allows for Automated Testing – validate and document that the image is ready before deployment.  Allows for deployments on a schedule.

20. Image Pipeline CreateVM - Scripted Automated OS/App Deployment Optimizeand ConfigureVM/ OS/Apps Test Image and Report Passed Test? Email Admins and remediate Email Admins and prepareto deploy Deploy Image Request Image Change Update Deployment Processand Tests

21. End Result – DevOps Pipeline for VDI Desktops

22. Automated Image Building Tools  Microsoft Deployment Toolkit  Packer  Chocolately with private repo  BoxStarter  PowerShell/Desired State Configuration  PowerCLI or Infrastructure APIs  Pester for testing  CI Tool like Jenkins to run build tests  JIRA/Service Now/Help Desk software to track changes Any combination of these tools can be used to build your workflows.

23. Don’t Be Like Spidey…

24. Questions?

25. Thank You! FILL OUT YOUR SURVEYS. TRY THE VEAL. TIP YOUR WAITRESSES….

The Immutable Golden Image

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