Building ServerlessEvent-Driven Apps with Azure Event GridDan Toomey

Integrating the Digital Enterprise

Who am I?• Principal Consultant, Mexia

• Microsoft Azure MVP

• MCSE, MCT, MCPD, MCTS BizTalk & Azure

• Pluralsight Author

• www.mindovermessaging.com

• @daniel2me

Integrating the Digital Enterprise

Who could I be?• Support for men’s health

• Team: Mexia Mustachio’s

• Donations welcome!

• https://mobro.co/dantoomey

Acknowledgements

Dan Rosanova@DanRosanova

Paco de la Cruz@PacoDeLaCruz

• Azure Functions – Serverless compute

• Logic Apps – Serverless connectivity and workflows

• Service Bus – Serverless messaging

• Event Grid – Serverless Events

Courtesy of Tom Kerkhove: https://blog.tomkerkhove.be/2017/08/22/exploring-azure-event-grid/

Courtesy of Tom Kerkhove: https://blog.tomkerkhove.be/2017/08/22/exploring-azure-event-grid/

Courtesy of Tom Kerkhove: https://blog.tomkerkhove.be/2017/08/22/exploring-azure-event-grid/

Courtesy of Tom Kerkhove: https://blog.tomkerkhove.be/2017/08/22/exploring-azure-event-grid/

Event : what happened

Event Publisher : where it took place

Topic: where publishers send events

Event Subscriptions: routes & filters events

Filters: EventTypes, SubjectBeginsWith, SubjectEndsWith

Event Handlers: app or service reacting to the event

750 BillionMessage operations on

Azure Service Bus Messaging (Standard)

per month

1.1 TrillionRequests every DAY

with Event Hubs

2MillionMessage Queues and Topics in Production

>30 PBMonthly Data Volume

85Of the 100 largest Azure

customers use messaging services

42 regionsRunning our services

7,098,888Downloads of our Nuget

package

99.9998%Success rate for service

99.9995%5,566,238,232,781

28 million failures

IoT HubEvent Hub

Event stream

ingestion

1M+ msg/sec

Broadcasting

Real time /

Batch

256 KB

TTL 1 – 7 days

Capture to

Blob/DataLake

84 GB Store

Notification

Hub

Native Mobile

Push

Notifications

Service Bus

Queues &

Topics

Robust Rich

Messaging

Relay

Expose on-

prem services

to cloud

Outgress traffic

via a

bidirectional

socket

Storage

Queues

1st Gen Cloud

Messaging

Simple

Cost-Effective

Event Grid

Hyperscale

Event Routing

64 KB

Built-in

Publishers

Push-Push

No ordering

Filtering

Routing

TTL: 1 day

Future:

Dead-lettering

IoT messaging

management

Hyperscale

Cursor Access

Manage IoT

devices

2-way comms

aeg-sas-key header

aeg-sas-token

r={resource}&e={expiration}&s={signature}

Microsoft.EventGrid/ EventSubscriptions/Write

/subscriptions/{id}/ resourceGroups/{rg-name}/ providers/{provider}/ {res-type}/{resource-name}

/subscriptions/{id}/ resourceGroups/{rg-name}/ providers/Microsoft.EventGrid/ topics/{topic-name}

• Microsoft.EventGrid/*/read• Microsoft.EventGrid/*/write• Microsoft.EventGrid/*/delete• Microsoft.EventGrid/

eventSubscriptions/ getFullUrl/action

• Microsoft.EventGrid/topics/ listKeys/action

• Microsoft.EventGrid/topics/ regenerateKey/action

+ Custom roles

https://docs.microsoft.com/en-us/azure/event-grid/security-authentication

[

{

"topic": "/subscriptions/{id}/resourceGroups/{rg}/providers/Microsoft.Storage/storageAccounts/{storageacc}",

"subject": "/blobServices/default/containers/monitored/blobs/blob.json",

"eventType": "Microsoft.Storage.BlobCreated",

"eventTime": "2017-09-20T01:12:35.8066557Z",

"id": "9ac0de1a-001e-00da-23ad-311d4a06bb2f",

"data": {

"api": "PutBlob",

"clientRequestId": "9ac0de1a-9da0-11e7-9a3b-51cc40a2ca27",

"requestId": "9ac0de1a-001e-00da-23ad-311d4a000000",

"eTag": "0x9AC0FC4ADA5997D",

"contentType": "application/json",

"contentLength": 268,

"blobType": "BlockBlob",

"url": "https://{storageacc}.blob.core.windows.net/monitored/blob.json",

"sequencer": "00000000000019200000000000F12B37",

"storageDiagnostics": {

"batchId": "9ac0de1a-e1a1-44c5-a0a1-a66b2a191fc4"

}

}

}

]

{

"topic": "/subscriptions/{id}/resourcegroups/{rg}/providers/microsoft.eventgrid/topics/{topic}",

"id": " 9ac0de1a-83f2-4eb7-ab1f-e2e8d2ef1728",

"eventType": "CryptoCurrencyPriceObtained",

"subject": "cryptoCurrency/price/BTC",

"eventTime": "2017-09-19T11:37:01.1513463+00:00",

"data": {

"AUD": 4991.89

}

}

custom data

Routing Blob Storage Eventswith Event Grid

Storage blob

Event Grid

storageevent

storageevent

Webhook

Custom Event Grid Topic Publishing Service Fabric Logging Events

Service Fabric Event Grid

Azure Function

Storage table

Office 365

loggingevents

Filter:error events

all events

allevents

Logic App

emailalert

https://blog.eldert.net/sending-custom-events-to-azure-event-grid/

https://docs.microsoft.com/en-us/azure/azure-resource-manager/resource-group-create-service-principal-portal

azure.com/eventgrid

aka.ms/gridQuestions

docs.microsoft.com/azure/ event-grid/

azure.com/serverless

@daniel2me

linkedin.com/in/danieltoomey

mindovermessaging.com