Azure Functions Internals

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Azure Functions Internals Andrea Ceroni [email protected] @andrekiba6 Sponsored by 7 febbraio 2019 Relatore

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Azure Functions Internals Tipo di sessione: Frontale Durata sessione: 40min

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Azure Functions speed up development reduce costs auto scale

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Functions as a Service (FaaS) A platformfor running"functions", wichare simply yourcoderunningin responseto an event code + event + data Azure Fucntions =

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Languages C# JavaScript F# Java Python

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Trigger Timer: run a function on a schedule Message: listen for messages on a queue HTTP Request: implement web APIs or webhooks Blob Storage: Azure Storage blob creation Many more: Cosmos DB, Azure Service Bus, Event Grid...

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Bindings Queue Blob Storage Table Storage Service Bus SendGrid Cosmos DB V2 J... ...

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V1 vs V2 Azure Functions runtime versions overview

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V1 vs V2 runtime

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Hosting Models Consumption Plan (Serverless) Per-second billing 1.000.000 executions 400.000 GBs App Service Plan Reserved servers Predictable monthly cost Docker Container Run anywhere On premises Other cloud providers

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Dev Environments Azure Portal https://portal.azure.com Experiments Proof of concept Visual Studio 2017 Powerful IDE Azure Functions extensions Debug and test locally Azure Functions Core Tools Cross platform Visual Studio Code Azure Functions extensions

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Other Features Security API keys Identity provider integration Durable Functions Define workflows Run task in parallel Retries and error handling Proxies Route incoming requests Static website Transform requests and responses

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Function App unit of deployment share common configuration scale together logically related

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Deploy Function App Manual Deploy Visual Studio or VS Code Create a new Function App Publish to an existing Function App Git Automated deployment Configure in portal GitHub or Azure DevOps Zip Kudu API Azure Functions Core Tools Azure CLI

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Demo

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[FunctionName("Question")] public static async Task AskQuestion( [HttpTrigger(AuthorizationLevel.Anonymous, "post", Route="question")] HttpRequest req, ILogger log) { var body = await new StreamReader(req.Body).ReadToEndAsync(); var question = JsonConvert.DeserializeObject(body); if(iKnowTheAnswer J) return new OkObjectResult(Answer()); return new NotFoundResult() L; }

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Usefull Links https://docs.microsoft.com/en-us/azure/azure-functions/ https://docs.microsoft.com/en-us/azure/azure-functions/functions-versions https://github.com/Azure/Azure-Functions https://github.com/Azure/azure-functions-host https://github.com/Azure/azure-webjobs-sdk-extensions https://github.com/Azure/azure-webjobs-sdk/wiki/Creating-custom-input-and-output-bindings https://mikhail.io https://devkimchi.com

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Thanks!