[Serverless Meetup Tokyo #3] Serverless in Azure (Azure Functionsのアップデート、事例、デザインパターンなど (仮))

https://functions.azure.com/try

Monolithic
Frontend
Middle tier
Backend
Microservice
1
Microservice
2
Microservice
3
Microservice
4
Microservice
5
Function 1
Function 2
Function 3
Function 4
Function 5
Function 6
Function 7
Function 8
Function 9
Function 10
Function 11
Function 12

public static void Run(byte[] image, string filename,
Stream outputBlob, TraceWriter log)
{
log.Info($"Processing image: {filename}");
var imageBuilder = ImageResizer.ImageBuilder.Current;
imageBuilder.Build(
image, outputBlob,
new ResizeSettings(640, 400, FitMode.Max, null), false);
}
{
"bindings": [
{
"name": "image",
"type": "blobTrigger",
"direction": "in",
"path": "card-input/{filename}.jpg",
"connection": "AzureWebJobsStorage"
},
{
"type": "blob",
"name": "outputBlob",
"path": "card-output/{filename}.jpg",
"connection": "AzureWebJobsStorage",
"direction": "out"
}
]
}

{
"bindings": [
{
"name": "myQueueItem",
"type": "queueTrigger",
"direction": "in",
“queueName": "outputqueue",
"connection": "AzureWebJobsStorage"
},
{
"type": "blob",
"name": "outputBlob",
"path": "outblob/{rand-guid}.txt",
"connection": "AzureWebJobsStorage",
"direction": "out"
}
]
}
module.exports = function (context, myQueueItem, myOutputBlob) {
context.log('JavaScript queue trigger function ', myQueueItem);
//validate
if (myQueueItem.apiId && myQueueItem.method && myQueueItem.body)
{
const value = DoWork(myQueueItem);
if(value) {
context.bindings.myOutputBlob = JSON.stringify(value);
//myOutputBlob = JSON.stringify(value);
}
}
else {
//handle error queue item missing params
context.log('invalid queue item ', myQueueItem);
}
context.done();
}

https://flow.microsoft.com/

Every 15 minutes Clean tableFind and clean invalid data

File added to
Blob Storage
Transform CSV to data rows Power BI
Chart graphic

Photo taken and
WebHook called Stores in blob storage Produces scaled images

Image Processing
Functions App 2
API
Function App 1
Photo taken and
WebHook called

Tasks/ Activities
• Upload data to
storage
• Process data
• Expose REST API
Using Functions
• Setup a VM/
Container/ WebJobs
• Build/ patch/ deploy
• Monitor infra
• Build Web API App
• ‘Use Azure SDK’
• Built async data
processing (scale)
Before Functions
• Setup a VM/
Container/ WebJobs
• Monitor infra
• Build Web API App
• Use Azure SDK
• Built async data
processing (scale)
Photo taken and
WebHook called

Loaded web page
calls WebHook
Completed pageCreate ad based on user profile

Millions of devices feed
into Stream Analytics
Store data in
SQL Online
Transform to structured data

EVENT SWARM ENGAGEMENT CHANNELS
FLEXIBLE BIG DATA PIPELINE
INTELLIGENCE PIPELINE
3RD PARTY
EVENT INGESTION
ENGINE
SQL DATA
WAREHOUSE
DATA LAKE STORAGE
& ANALYTICS
STREAM
ANALYTICS
WEB
CUSTOM
SERVICES
WEARABLES
POS
DIGITAL
DISPLAYS
BOTS
KIOSKS
MOBILE APP
SENSORS
OMNI CHANNEL ENGAGEMENT
WORKFLOW
ORCHESTRATION
ENTERPRISE INTEGRATION
CUSTOM INTELLIGENCE
INTELLIGENT
SERVICES
CUSTOM
FUNCTIONS
MACHINE
LEARNING
COGNITIVE
SERVICES
EXISTING
NEW
API GATEWAY
API GATEWAY

Tasks/ Activities
• Collect tweets
• Analyze tweets
• Display rich analysis
Using Serverless
• Setup a VM/
Container/ WebJobs
• Monitor infra
• Connect (auth)to
twitter
• Using Twitter API
(SDK)
• Analyze tweets
• Build rich client to
show results
Before Serverless
• Setup a VM/
Container/ WebJobs
• Monitor infra
• Connect (auth)to
twitter
• Using Twitter API
(SDK)
• Analyze tweets
• Build rich client to
show results

http://aka.ms/TryFunctions
https://aka.ms/func-github

https://github.com/yochay/serverlesspatterns

https://blogs.msdn.microsoft.com/appserviceteam/2017/07/06/alpha-preview-for-durable-functions/

https://azure.github.io/azure-functions-durable-extension/

TriggerFunc F1 F2 F3
• Azure Queues (SNS/ SQS) are an implementation detail.
• Each individual Function needs to be “aware” of other functions.
• Functions need to be idempotent.
• Functions need to “DoWork” and “UndoWork”

TriggerFunc F1 F2 F3
• Azure Queues (SNS/ SQS) are an implementation detail
• Central Error Handling Function “understand” the chain/flow
Error Handler

Start DoWork
GetStatus
• Execution state

http://aka.ms/TryFunctions

[Serverless Meetup Tokyo #3] Serverless in Azure (Azure Functionsのアップデート、事例、デザインパターンなど (仮))

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[Serverless Meetup Tokyo #3] Serverless in Azure (Azure Functionsのアップデート、事例、デザインパターンなど (仮))