1. Serverless Azure A Gentle Introduction to Microsoft Azure Logic Apps & Functions
from zero to wicked useful in about an hour
HELLO
my name is
Bill Wilder
Granite State SharePoint Users Group Thu 07-Sep :00-7:30 PM
Bill Wilder, CTO, Finomial Corporation

2. 8x recipient
cto
author
founder

3. Goals: By the end of this talk…
Demystify Logic Apps and Functions (aka Function Apps, Azure Functions, Functions as a Server (FaaS)).
Realize that Logic Apps and Functions are completely independent of each other, but can be used together.
Both are serverless technologies.

4. Logic Apps

5. @ServerlessAzure
LiveSlide Site

6. Just hitting this URL (behind the scenes) via HTTP GET to invoke the Logic App:
11.northcentralus.logic.azure.com:443/workflows/786d9f6792f643bd87 7cc2e863ae4425/triggers/manual/paths/invoke?api-version= &sp=%2Ftriggers%2Fmanual%2Frun&sv=1.0&sig=bSl6WTGbTSJe2phH XPporWYFbgRp6w6ZD0NH8eBVLnc
LiveSlide Site

7. @ServerlessAzure
LiveSlide Site

8. Logic Apps – the new component model
Triggers + Actions = Logic App

9. Triggers + Actions = Logic App
Triggers  Some event – web hook, timer, user action, etc. + Actions  Your response to trigger – based on trigger & data = Logic App  Serverless Software Component

10. How is this possible? Connectors
A Component Model for the Cloud
The code behind Triggers & Actions
Front simple microservers or whole systems
Ecosystem is blooming
Gallery of Microsoft-maintained connectors
Community-contributed connectors are available
You can create your own connectors (via Open API (Swagger))
Well-defined
Logic App Workflow Definition Language

11. Triggers Timer User action Action from some other system
Queue Message, Blob Creation, Webhook/HTTP Call
Examples: tweet, , slack, calendar event, something changed
Business event: User signed up on my website
Code event: New version of file checked into GitHub
Azure event: A new VM was provisioned

12. Actions Call an API Trigger more actions
Use data from triggers for filtering/decisions
Pass along data from triggers in carrying out actions
Can be custom
Huge gallery
New component model for software developers

13. Demo Time Build the tweeter we just experienced
Build other integrations (dangerous ad hoc demos )
HTTP 202
JSON Schema
Workflow Definition Language
Use trigger data & conditional processing
Logic App Workflow Definition Language {
"type": "object",
"properties": {
"tweet": {
"type": "string" }

14. JSON Schema example (tweet){
"type": "object",
"properties": {
"tweet": {
"type": "string" }

15. Sharepoint + Logic Apps
create-api-sharepointonline

16. Function Apps

17. Function Apps are Code with Triggers
Timer
User action
Action from some other system
Queue Message, Blob Creation, Webhook/HTTP Call
(Look familiar?)

18. Error Handling Try it Retry it Deal with the failure
Track with logging & telemetry
Monitor with alerts & dashboards
“Scopes”
exception-handling

19. Azure Function that returns 500 75% of calls
6cca66e

20. Sharepoint + Functions
webhooks-using-azure-functions

21. Demo Errors/Retries What happens if there’s an error? Command Line
Azure Function
Monitoring

22. Serverless

23. Serverless Computing is characterized by…
Deployment units are small, loosely-coupled components
More “no server configuration” than PaaS
Cloud-friendly pay-by-the-drink billing

24. “Multiple Triggers” One trigger type can be assigned per Logic App
Many parallel instances of your Logic App can fire to absorb load
Limits?
and-config
Why would you want to limit it?
Singleton available

25. Pricing Logic Apps Azure Functions Consumption
Azure Functions
Consumption or App Service Plan

26. Flow vs. Logic Apps https://portal.office.com/myapps
Flow is “civilian” version of Logic Apps: “Grow up to Azure Logic Apps” update/
Same connectors: us/azure/connectors/apis-list
Same underlying core
Comparison by Microsoft: us/azure/azure-functions/functions-compare-logic-apps-ms-flow-webjobs

27. –Microsoft Announcement on May 31, 2017
BizTalk vs. Logic Apps
“To simplify the customer experience across our enterprise integration services, we have incorporated the Azure BizTalk Services capabilities into Logic Apps and Azure App Service Hybrid Connections.”
–Microsoft Announcement on May 31, 2017
simplifying-our-azure-offerings/
enterprise-integration-overview

28. PowerApps vs. Logic Apps

29. Zapier vs. Logic Apps

30. IFTTT vs. Logic Apps

31. Dev & Deploy
Visual Studio (2015+) - us/azure/azure-functions/functions-develop-vs
Azure Portal
ARM Templates
PowerShell
REST API

32. Official Twitter Accounts (pretty sure )
@CosmosDB

33. NuGet Packages
Conference session (video) on making NuGet packages for Azure Functions: /Azure-Functions-NuGet-Superpowers
One answer to reusing code within Azure Functions (and within other systems too).
Another answer is to reuse ’services’ – like Azure Functions 

34. Postman Just a tool, but a popular/handy one
Useful for testing HTTP actions, including API calls
Free
Slack channel –
@postman

35. RequestBin Just a tool, but a popular/handy one https://requestb.in/
Useful for inspecting HTTP webhook payloads and workflow steps
Free
@requestbin -

36. {JSON:Schema}
@JSONSchema

37. Scheduler

38. Duration – per ISO 8601
PT5M
PT2D
PT36H
PT36H vs. P1DT12H

39. Logic Apps Workflow Definition Language

40. Only Scratching the Surface!
Potential follow-up topics:
Azure API Apps
DevOps Experience
Monitoring
(and. so. many. more.)

41. Find this slide deck here
Questions?
See you at Boston Azure
bostonazure.org
Find this slide deck here
Bill
blog.codingoutloud.com
linkedin.com/in/billwilder

42. Subliminal  … 0.25