Dutch Cloud Meetup: Dealing with complex workflows in Azure Functions

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Serverless workflows @MarcDuiker

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Serverless workflows @MarcDuiker Marc Duiker Lead Azure Consultant, Xpirit Netherlands

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Serverless workflows @MarcDuiker

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows “A workflow consists of an orchestrated and repeatable pattern of activity” https://en.wikipedia.org/wiki/Workflow

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@MarcDuiker Serverless workflows

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@MarcDuiker Serverless workflows

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@MarcDuiker Serverless workflows Workflow (management) applications

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows

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@MarcDuiker Serverless workflows Function Roles

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@MarcDuiker Serverless workflows

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@MarcDuiker Serverless workflows Orchestration Client Function

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@MarcDuiker Serverless workflows Orchestrator StatusResponse

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@MarcDuiker Serverless workflows Orchestrator Result

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@MarcDuiker Serverless workflows Orchestrator Function

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@MarcDuiker Serverless workflows Activity Function

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@MarcDuiker Serverless workflows Invocations, Checkpoints & Replay

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@MarcDuiker Serverless workflows State is Persisted in Table Storage

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Serverless workflows @MarcDuiker

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Function chaining

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@MarcDuiker Serverless workflows Function chaining

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@MarcDuiker Serverless workflows Function chaining

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@MarcDuiker Serverless workflows

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Fan-out/fan-in FA1 is called for each of the items in [N]. FO waits until all FA1 results are in.

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@MarcDuiker Serverless workflows Fan-out/fan-in

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Human Interaction / External Events

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@MarcDuiker Serverless workflows Human Interaction / External Events

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@MarcDuiker Serverless workflows External Events with Time-Out

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@MarcDuiker Serverless workflows Sending Events – C# API

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@MarcDuiker Serverless workflows Sending Events – HTTP API

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Using Multiple Orchestrations

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@MarcDuiker Serverless workflows Grouping of Azure Functions

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Multiple Orchestrations from one Client

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@MarcDuiker Serverless workflows Multiple Orchestrations from one Client

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@MarcDuiker Serverless workflows Sub-orchestrators

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@MarcDuiker Serverless workflows Sub-orchestrations

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Serverless workflows @MarcDuiker

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@MarcDuiker Serverless workflows Multiple Function Apps & Http

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@MarcDuiker Serverless workflows Multiple Function Apps & Queues

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@MarcDuiker Serverless workflows EventGrid – the eventing backplane in Azure https://docs.microsoft.com/en-us/azure/event-grid/overview

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@MarcDuiker Serverless workflows EventGrid – Durable Functions

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@MarcDuiker Serverless workflows Publisher: Create Topic https://docs.microsoft.com/en-us/azure/azure-functions/durable/durable- functions-event-publishing

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@MarcDuiker Serverless workflows Subscriber: EventGrid Trigger

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@MarcDuiker Serverless workflows KISS

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Durable Functions Docs https://docs.microsoft.com/en-us/azure/azure-functions/durable/durable-functions-overview Serverless On Azure Videos https://www.youtube.com/marcduiker-serverless Marc Duiker @marcduiker