Azure Functions Serverless Architecture in the Cloud Shahed

Azure Functions Serverless Architecture in the Cloud Shahed Chowdhuri Microsoft Corporation @shahed. C Wake. Up. And. Code. com

Intro

What’s with the Cloud? Hosting models Software (as a Service) Data Runtime Middleware O/S O/S Virtualization Servers Storage Networking Runtime Middleware You scale, make resilient & manage Data Runtime Virtualization Servers Storage Networking Scale, resilience and management by vendor Applications Managed by vendor Applications O/S Virtualization Servers Storage Networking Scale, resilience and management by vendor You manage (as a Service) Applications You scale, make resilient and manage Platform Infrastructure On Premises

Where does Serverless fit in? Serverless Platform (as a Service) Applications Data Runtime Middleware Data Runtime Functions Applications Data Runtime Middleware O/S Virtualization Servers Storage Networking Middleware O/S O/S Virtualization Servers Storage Networking Managed by vendor Software Functions Virtualization Servers Storage Networking Scale, resilience and mgmt by vendor Functions You manage Functions You scale, make resilient & manage You scale, make resilient and manage You manage (as a Service) Scale, resilience and management by vendor Infrastructure On Premises

Source: https: //myignite. techcommunity. microsoft. com/sessions/65889

integration

Azure Functions Host – Functions 2. 0 Host Assembly Load Context (default) Function Assembly Load Context public static Run(…, Cloud. Block. Blob blob, …)) { //Function code. . . ; }

Dev + Hosting

Local debugging

https: //sendgrid. com/docs/for-developers/sending-email/v 3 -csharp-code-example

Serverless Functions Serverless Linux Functions Containers Kubernetes Functions Open Source Hosting Io. T Functions On Prem Functions Application Delivery Execution Isolation Infrastructure Operating System Azure Managed Customer Managed

Demo

Durable Functions

long-running orchestrations maintaining local state single function

Starter Function Orchestration. Client Orchestrator Function Orchestration. Context. Trigger Activity Function Activity. Trigger

Orchestrator Function // calls functions in sequence public static async Task<object> Run(Durable. Orchestration. Context ctx) { try Activity Functions { var x = await ctx. Call. Activity. Async("F 1"); var y = await ctx. Call. Activity. Async("F 2", x); return await ctx. Call. Activity. Async("F 3", y); } catch (Exception) { // global error handling/compensation goes here } }

Q&A