Azure Functions are a great new addition to the Azure stack that allow us to repeatedly automate tasks in a cheap and efficient manner. In this session we will go into what Azure Functions are, what features and functionality and the different ways of applying them in real-world scenarios.

1. Automate it with Azure Functions
Jaap Brasser
@jaap_brasser

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@jaap_brasser
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3. Agenda
What are
Azure
Function Apps
1
How do they
work?
2
What can we
do with
PowerShell
3
Demos
4
Questions
5

4. Why
PowerShell
???

5. What are Azure
Functions

6. Azure Web Apps

7. Advantages of Azure Functions
• Pay for what you use
• No Infrastructure to manage
• No maintenance of servers
• Can be placed in existing Web App subscriptions
• Simplify code writing

8. What problem are we solving?
• Using our scripting skills in the cloud
• Re-using existing code / scripts
• Faster deployment
• Less maintenance

9. Demo:
Exploring Azure Functions

10. Demo Summary
•Triggers available
•Scenarios available
•Experimental flag
•How to create Azure Function
•Delete Azure Function

11. PowerShell language
support is still experimental

12. Demo:
Create timed function

13. Demo Summary
•Create PowerShell function
•Used cron notation

14. Demo:
Azure PowerShell Function

15. Demo Summary
• Which PowerShell version
• What variables are defined
• Saw the variables & files
• Reconfigured function.json
• Used Invoke-RestMethod to run

16. Error handling

17. Demo:
Azure Function Errors

18. Demo Summary
•Had our function fail
•Looked at different error logs
•Fixed the code based on output

19. Writing better code
• Develop code in IDE/ISE
• Use source control
• Run script analyzer for coding practices

20. Demo:
Writing Azure Functions

21. Demo Summary
•Different tools
• ISESteroids
• VsCode
• Visual Studio
• Online Editor
•Write Unit tests for your scripts

22. PowerShell best practices
• Develop code in IDE/ISE
• Use source control
• Run script analyzer for coding practices

23. Summary
• Use existing PowerShell skills
• Develop serverless code
• Interact with other services
• Generous free tier
• functions.azure.com

24. Questions?