[Roine] Serverless: Don't Take It Literally

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So now we’re back to virtual machines, right?
Closing raffle!
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#JNoMore
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But I love virtual machines! Also, where is my D:Inetpub?
What is Serverless, and
why should I care?
Serverless in Office 365
Serverless in Microsoft Azure
Where to go from here?
It’s not just SharePoint Online and fun times with Yammer
So now we’re back to virtual machines, right?
Closing raffle!
Topics

You’ll get no-nonsense knowledge
of serverless features and
functionality
This will also save you money,
effort, time and frustration,
and make you more
handsome/beautiful
I won’t talk about Blockchain or
GDPR. Much.
Why should I listen to you for 50 minutes?

IT Pros for the past
15 years
 Install Windows $VERSION
 Install IIS role
 Install SQL Server $VERSION
 Install service pack
 Install hotfix 1-9999
 Install cumulative update
 Reboot server 27 times

IT Pros are most
comfortable when they
have remote access to a
server

Serverless is a platform with dynamically
allocated machine resources
&
pricing is based on actual resources
consumed
How often should
I patch my servers?
How can I increase
server utilization?
How do I deploy new
code to my server?
Which packages should
be on my server?
It takes how long to
provision a new server?

Office 365 Microsoft Azure
Flow PowerApps
Power BI Microsoft Graph
Azure AD App Insights
Functions API Apps Logic Apps
Event GridStorage QueuesStorage
App Service Cosmos DB Azure SQL

But there’s a server
somewhere!
I know there is!

Virtual Machines are fun, but not really needed
 It’s a habit, as that’s what IT Pros know best
The problems with Virtual Machines
 Too many people configuring and accessing servers
 Once you reboot you can never be sure about pending operations
 Many times the OS is not something of particular interest to anyone,
anymore
 They cost quite a bit to run a scheduled task
A few thoughts about Virtual Machines

No.
A little.
Do I have to become a developer?

Microsoft Flow
A workflow & activity engine for power users in the cloud
 Design workflows with a simple
design interface
 Run workflows continuously or as
triggered activities
 Share with others as Team Flows

Building Flows
Design flows at https://flow.microsoft.com using the web UI
 Graphical designer shares the
same UX with Azure Logic Apps
designer
 Over +100 triggers and actions,
more being added monthly
 Data does not have to reside in
Office 365 at all
 Data sources include Box, Dropbox,
Salesforce, Wunderlist etc.
 Flows are executed in Office
365 user context

Managing Flow for your Office 365 tenant
Flow Plans include Free, Plan 1 and Plan 2
 Free includes 2000 runs per month and
unlimited flows created (but limited to 250
flows per account)
 5 minute checks
 Flow Plan 1 includes 4500 runs per month, and
3 minute checks
 Also Premium Connectors
 Flow Plan 2 includes 15000 runs per month,
and 1 minute checks
 Premium Connectors + Organizational Policy settings

Custom connectors
Extend beyond the built-in connectors
 Ability to execute custom logic
through Azure Functions, API
Apps or other logic
 Introduce your custom logic
through OpenAPI description, or
use the built-in creator
 Note: Limited to 1 connector/user
for the Office 365 plan

What is PowerApps?
 Create apps with PowerApps Studio, share securely with Office 365 users
 Access via mobile devices, tablets, web browser and Windows apps
 Get & manipulate external data via Connections
A fully cloud-based platform for building, sharing and using business apps

Serverless in Microsoft Azure
Custom APIs extend PowerApps &
Flow OOB functionality
Azure Functions provide effortless
building blocks
Logic Apps provide true
integration logic
Serverless computing
Trigger via HTTP call, polling or
webhooks
Supports multiple script runtimes,
including PowerShell and C#
Ad-hoc modifications, real-time
logging
Azure API Apps as a platform
OpenAPI-based metadata finding
Can do *anything* 
Best suited for integrating
external datasources
API Management
Enterprise integration features
Full integration capabilities
Not dependent on single user
Fully Azure-based
Hybrid integration solution

Azure Functions
Serverless code – Functions as a Service
 Introduced at Build 2016 conference
 Create a function that executes upon call
 A small piece of logic, not a process
 Supports multiple trigger points, including HTTP
calls and Webhooks
 Encapsulate each Azure Function to a OpenAPI
(Swagger) definition to use them as connectors
 Essentially a JSON file
 See Swagger Editor at http://editor.swagger.io/#/

Logic Apps
True integration engine in Azure – best connectivity & best for IT Pros
 Logic Apps is the grandfather of Flow
 Provides rich integration capabilities and code-behind access
 Can use graphical designer or code editor

Azure API Apps
Best flexibility but also more complex & demanding
 Azure API Apps are hosted in Azure App Service
 Custom API Apps are created with Visual Studio – typically with C#
 Azure SDK makes getting started very easy

Fun Finnish fact
Härpäke
Pulautin
Kikatin

Pricing and costs
Consumption-based:
1 million free requests or 400 000
GB-s per month
0,169 €/million executions
0.000014 €/GB-s
Based on App Plans
The usual App Service
costs:
Free, Shared, Basic,
Standard, Premium,
Isolated
Triggers + action +
connector executions count
0,000022 €/Action
0,000106 €/Standard connector
0,000844 €/Enterprise connector

Scenarios for Serverless in Office 365 and Azure
...

Lessons learned
Start with Flow, grow to Logic Apps and duct tape with Functions
 Flow is great for Citizen Developers, power users
and IT Pros
 Logic Apps easily becomes an exercise in custom
development
 Encapsulate logic within API Apps  you can use these
from Flow directly, too
 Functions should really be small functionalities, that
are easily used from Flow, Logic Apps and others

Where to learn more?
 Azure Serverless Computing Cookbook
 https://azure.microsoft.com/en-us/resources/azure-
serverless-computing-cookbook/
 Microsoft Flow Cookbook
 https://powerusers.microsoft.com/t5/Flow-
Cookbook/bd-p/FlowCookbook
 Using Azure Functions in Flow and PowerApps
 https://powerapps.microsoft.com/en-us/blog/using-
azure-functions-in-powerapps/

[Roine] Serverless: Don't Take It Literally

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[Roine] Serverless: Don't Take It Literally