Azure Functions Dependency Injection Ilogger

ModelBinding` module into the `Giraffe. NET Backend SignalR Extension 1. NET 5 provides a built-in DI abstraction that is available in a consistent way throughout the entire web stack. As an aside, when you republish your Azure Function v2 app, you’ll need to stop it first. Project references. Azure Functions are reused quite often and it's a waste of resources to spin up a complete dependency container per invocation (IMO). Let's create a simple Azure Function that can interact with stateful data using Entity Framework Core. com enabling 3rd party integrations. Personally I’m quite a fan as it involves minimal boilerplate to get some decent logging to Azure and the Windows Event Log amongst other targets. The non generic logger instances will automatically get the right naming for the logging instances. • Azure Blob storage is a key/value database that functions like file storage in the cloud, with key values that correspond to folder and file names. This actually clearly violate the dependency inversion principle. This sample shows how to host NServiceBus within an Azure Function, in this case, a function triggered by an incoming Storage Queues message. Forms is a one of the most loved and simultaneously most dreaded frameworks to work with [1]. • Azure Table storage is also a key/value database. One such limitation seems to be that they don't lend themselves very well to using dependency injection. (Note, I’m also injecting an ILogger interface here). The latest update to Azure Functions v2 now has support for registering services with DI. are configured on the level of the IWebHostBuilder. Using the dependency injection features provided with the Microsoft. NET Core Dependency Injection with constructor parameters 04 July 2017 Comments Posted in ASP. This of course should be taken into account and solved by dependency injection framework (aka IoC). Diagnostics. Today, there is a. In this episode, Fabio Cavalcante from the Azure Functions team joins us to showcase how this feature works. The decorated function; A dependency of type ILogger. The new dependency injection feature of Azure Functions makes it very simple to work with Entity Framework Core database contexts within an Azure Functions app, even though there is no explicit EF Core binding for Azure Functions. 1) Here he's saying that Bastard Injection occurs only when we use Foreign Default. Hidden under all the major unveilings was the news that a mechanism for handling dependency injection in Azure Functions is now available. Instead the dependency injection of. Local debugging. Adding (simple) dependency injection. Functions are (usually) small pieces of code that run in Azure and are, just like WebJobs, triggered at a certain event, including an HTTP trigger. Due to the static nature of Azure Function triggers, it's not easy to manage dependencies. Problem is, the Asp. We had a lot of back end integration pieces that were triggered by certain events. GitHub Gist: instantly share code, notes, and snippets. When you actually lock the lock file (hence the name), kpm restore no longer does dependency resolution. • Azure Table storage is also a key/value database. This is the second part in a series of articles. This module is also a good example of how to use Autofac modules for more than simple configuration - they’re also helpful for doing some more advanced extensions. In order to use Functions with the Mongo API for CosmosDB, it is necessary to include a nuget package. This lets you to treat infrastructure pieces, such as data access or logging, as swappable entities, allowing your application to change with the times as new technology stacks replace obsolete or…. Azure Functions in the Azure Portal. Now that Dependency Injection is a first class citizen in Azure Functions it should simplify usage for more complex tasks. This code is in the "TableServices" directory and already provided. Extensions package means that we can easily produce code that is maintainable, testable and easy to refactor. Dependency Injection (DI) can remedy the problems above. At the time of writing there is no direct support for dependency injection, though it is being considered for a future implementation. But when I published the function on Azure Cloud it always prints: Cannot bind parameter 'log' to type ILogger. NET Core once you deploy to production (eg Azure App Service)?. While you're unlikely to find the more advanced dependency injection functionality of some of the other frameworks, the. If you require any more additional information about implementing DI into Azure functions, then check out the official Microsoft page here. Serverless Functions provide a simple, single-purpose method signature. As part of the execution, I'm utilizing a logger. Functions property for database operations and functions EF. Dependency injection in Azure Functions is built on the. Fix Logging in Azure Functions when Reusing Your Component 12 December 2017 There are cases when your project follows hype and you face the case when you need to reuse your component in serverless world. In my last post I blogged about using Dependency Injection to break tight coupling between application components. I wanted to do this and I found these articles helpful: #AzureFunction #Azure #Csharp Azure Functions C# developer reference -> see Referencing External Assemblies How to make a simple DLL as an assembly reference just for fun Could not load file or assembly …. Extensions abstractions useful for Console apps as well as shared code that may or may not run on. The Problem. are configured on the level of the IWebHostBuilder. Modules are Docker containers in case of IoT Edge. NET Core provides out-of-the-box. Agent Mulder is an awesome extension for ReSharper that allows you to navigate to a specific type declarations and implementations when we are working with some dependency injection container. c# - 在天蓝色函数V2中用ILogger替换TraceWriter; c# - DI框架:如何避免不断地将链接中的注入的内容传递给链接,而不使用服务定位器(特别是与Ninject) c# - 如何在Azure函数中使用BlobTrigger绑定到CloudBlockBlob? c# - 不接受Azure功能(ILogger或TraceWriter)的上次日志记录参数. Sadly this is not yet supported out of the box in Azure Functions V1 or V2 so you'll have to build it your own. ILogger is very generic interface for any kind of log like log to console, log to Windows event log, log to MS Application Insights , or whatever else. Net Core dependency injection built in right now. We can say that ILogger is an optional dependency of PersonAppService. The use of. Notice how this interface is generic. NET Core project, the program. Dependency injection in Azure Functions is built on the. Azure Service Fabric Services can be configured to exhibit trigger based behavior similar to WebJobs and Azure Functions. Desired properties. Tengo algunas bibliotecas de clase que uso en mi aplicación de API web ASP. Dependency Injection and ILogger in Azure Functions Azure Functions is a great platform for running small quick workloads. on October 10, 2016 • ( 27 ) The source code for this post has been updated to the latest ASP. Besides that, the Dependency Injection gives you many options to test your code. This appears to be the opinion that is held by the Azure Functions team as well: Chris Anderson a PM on the Functions team writes that Azure Functions are the logical successor to WebJobs. 5 and also made a comment on Agent Mulder. and precisely use these IHostedServices for background tasks. NET Core at startup; If I use ILogger, the function breaks at trigger. NET Core Logging and Configuration, the. While they're common to see in application code, frameworks with logging integration like ASP. One such limitation seems to be that they don't lend themselves very well to using dependency injection. When the container is shut down, the processing can stop gracefully. Until the 1. Net core to create zip file and upload to the Azure blob storage daily, weekly, monthly using Quartz with Dependency Injection, NLog. The Azure Functions host creates an IFunctionsHostBuilder and passes it directly into your configured method. Extends Azure functions to support routing to handlers, auth, validation and more - 2. Active singleton , which is needed as part of the injection process. cs file as seen below:. 28 release of Azure Functions, custom bindings was pretty much the only way of using a custom OAuth provider with Azure Functions. One thing that's not supported out of the box is sending production errors by email. In this pattern, an interface is used for creating an object, but let subclass decide which class to instantiate. NET developers have been taking advantage of dependency injection (DI) to make their code easier to test and manage. While there is no specific assembly for log4net support, you can easily inject log4net. NET MVC Exception Handling and Logging in Database using Exception Action Filters. AMS v3 uses Azure Active Directory to authenticate requests. In the Blazor, there is no controller. It’s necessary to declare a function to inject the interfaces here, amd decorate with the Inject attribute. This is constructor dependency injection. Implementing ILoggerProvider. Using dependency injection. Implementing ILoggerProvider. Hidden under all the major unveilings was the news that a mechanism for handling dependency injection in Azure Functions is now available. NET Core, Dependency Injection. Moving to Dependency Injection. One way to do this is to install the AzureFunctions. From factories and services to providers and interceptors, you don’t want to miss out on the rich features Angular provides for dependency injection on the client. ServiceStack uses a slightly modified version of Funq - which was adopted because of its excellent performance and memory characteristics. Although MEF is not a true DI container, it has a lot of features compared to many other IoC frameworks. Dependency injection (DI) Dependency Injection (DI) is supported in existing ASP. Abstract: ASP. How to enable scoped logging using Microsoft ILogger (with or without serilog) in a. However, it is certainly not impossible to make them do so. To create logs, get an ILogger object from the dependency injection container. After the function has done its magic it creates an entry in an Azure Queue that then is handled by the ASP. We had a lot of back end integration pieces that were triggered by certain events. The generic parameter in ILogger will be used as the logger's category. Active singleton , which is needed as part of the injection process. GitHub Gist: instantly share code, notes, and snippets. How might we change the design of the UI layer to follow the dependency inversion principle? That is a topic for another post but here is a hint, use a dependency injection container. You can either use the ` TraceWriter ` or the ` ILogger `. Tracing and logging with Application Insights 07 September 2015 on Azure Application Insights, Azure Services. Now that Dependency Injection is a first class citizen in Azure Functions it should simplify usage for more complex tasks. I mentioned the Dependency Injection limitation with Azure Functions, but there are 2 more to be aware of when working with Azure Media Services v3. Source code can be found here. Save yourself from repeated boilerplate code in your Asp. Local debugging. The Problem. While there is no specific assembly for log4net support, you can easily inject log4net. NET Core often add these automatically, as is the case with RequestId in new ASP. NET Core, SignalR & Angular By Christos S. NET Core Service Bus Topic consumer scaled by KEDA" It's very similar to @tomkerkhove sample-dotnet-worker-servicebus-queue project but with the main difference that this is a. This blog post shows how to use dependency injection in Azure Functions. Note, this example is for Azure Functions V2. Azure Functions are reused quite often and it's a waste of resources to spin up a complete dependency container per invocation (IMO). NET Core doesn't provide async logger methods because logging should be so fast that it isn't worth the cost of using async. NET MVC ASP. NET Core version (. NET Core version is lightweight and a great way to get started. Ambient logging contexts are most useful for unit-of-work scenarios. Cache object and let the consumer of CustomerService inject it instead - a simple design principle known as Dependency Injection. Logging; it will happily pass an ILogger to your function, which you can then use for writing logs. Now everything should be in place to hit F5 and start the local debugging. It can be done in a similar way that ASP. Dependency injection is a great tool for creating unit tests. However, with the recent release of dependency injection support for Azure Functions, working with EF Core in Azure Functions feels a bit nicer, so in this post, I'll explain how I updated my sample app to support an Azure SQL Database as a backing store. Throughout this article, I will be focusing on constructor injection where dependencies are provided to consumers through their constructors. NET MVC Exception Handling and Logging in Database using Exception Action Filters. Tengo algunas bibliotecas de clase que uso en mi aplicación de API web ASP. Inside these functions, I need to log information. This article shows how to use the built-in logging API and providers in your code. Dependency Injection (DI) has been available in. 0 brings the configuration much closer to ASP. NET Core leverages ILogger for DI purposes, but Azure Functions does not; I can either use generic ILogger as dependency in service but that breaks ASP. Azure Functions V2 is now on public preview and I'm going to write another post for DI on Azure Functions V2, by taking advantage of the simple dependency injection feature that ASP. Throughout this article, I will be focusing on constructor injection where dependencies are provided to consumers through. ExtensionsMetadataGenerator and let the SDK handle the json generation. Build and debug locally without additional setup, deploy and operate at scale in the cloud, and integrate services using triggers and bindings. This is not dependency injection at all. NET Core console app. With introduction of additional dependency (to retrieve connection strings from different sources depending on target running platform) for various services - there is now a change in constructor signature. Extends Azure functions to support routing to handlers, auth, validation and more - 2. NET Core doesn't provide async logger methods because logging should be so fast that it isn't worth the cost of using async. The below example shows logging of all unsuccessful log in attempts. Save yourself from repeated boilerplate code in your Asp. Fix Logging in Azure Functions when Reusing Your Component 12 December 2017 There are cases when your project follows hype and you face the case when you need to reuse your component in serverless world. The static Prison; Only Halfway There; The Code; Conclusion; A quick look at a Serilog helper-class add Azure Function name and instance id to log entry properties. Register the ILogger Factory. Dependency Injection (DI) is software design pattern that decouples (or loosely couples) components in an application. Ambient logging contexts are most useful for unit-of-work scenarios. using appsettings. NET developers have using Dependency Injection to better architect the applications in a way that simplifies management of application services, such as connections as well as an easier way for testing. Azure Functions supports the dependency injection (DI) software design pattern, which is a technique to achieve Inversion of Control (IoC) between classes and their dependencies. Things Just Got Better: Microsoft have finally released a greatly improved DI mechanism for functions. Code samples can be found in my github repo here. This was a natural fit for what a consumption model of a serverless function provides. In this case, you can call the abp. NET developers have using Dependency Injection to better architect the applications in a way that simplifies management of application services, such as connections as well as an easier way for testing. I view logging as an optional dependency, since you want logging to occur in a production system, but you generally don’t want logging to occur when you are executing unit tests. A key can be passed to an Azure Function HTTP request in the URL as the code query string. Continuing on from the basics and model binding, and continuing to kinda make it up as I go along, here we will discuss how to hook up action filters with dependency injection using StructureMap and the new dependency injection hooks in ASP. How to enable scoped logging using Microsoft ILogger (with or without serilog) in a. The Microsoft. The method takes an IFunctionsHostBuilder interface, which is used to declare the dependencies for DI. The third function of the lock file is when you choose to check it into source control. I wanted to make an Azure Function that could return a result from a database, and as you can imagine, this was a total breeze with lot's of examples available. So, we need to inject the logger service to Blazor component. ExtensionsMetadataGenerator and let the SDK handle the json generation. Azure Functions V2 is now on public preview and I’m going to write another post for DI on Azure Functions V2, by taking advantage of the simple dependency injection feature that ASP. Functions SDK 1. Dependency Injection (DI) support for Azure Functions. We'll work on extracting all business logic into testable, single-purpose "service" classes. NET que maneja todas mis cosas de back-end, por ejemplo, operaciones CRUD a múltiples bases de datos como Azure SQL Database, Cosmos DB, etc. The Problem. It is especially good if we write wrapper functions for shared libraries and components we are also using in web and. This sample shows how to host NServiceBus within an Azure Function, in this case, a function triggered by an incoming Storage Queues message. The Dependency Injection pattern is intended to lessen the coupling of objects by having dependant objects provided to an object instead of having the object itself generate the dependant objects. Since I originally wrote these for the web site, I used the ILogger in all my calls and dependent objects. In the Blazor, there is no controller. This enables hosting message handlers in Azure Functions, gaining the abstraction of message handlers implemented using IHandleMessages and also taking advantage of NServiceBus's extensible message processing pipeline. Instead you inject various options in your controllers. Beitrag kurz eingegangen bin. Azure's interpretation of serverless code is their Functions feature which is still in preview at the time of writing, but this is a perfect use case as it's something non-critical to the actual function of the site so a good place to dip a toe in the water. Until the 1. Along the way, I'll look at why this feature is helpful in developing reliable functions. Serverless Functions provide a simple, single-purpose method signature. DependencyInjection. For example, you have a Widget object which depends upon a LoggingManager object and a WidgetValidator object. Personally I’m quite a fan as it involves minimal boilerplate to get some decent logging to Azure and the Windows Event Log amongst other targets. 1 - a C# package on NuGet - Libraries. NET Core 2 Web API? Yes, of course, this article lets us build one such Web API using ASP. 1, I briefly mentioned Azure Functions. Azure Functions y Dependency Injection con Autofac: Juntos pero no revueltos Publicado el 25 abril, 2019 por Sergio Parra Guerra El mundo de Serverless mola mogollón ¿quién no lo ha probado alguna vez?. using appsettings. I have been migrating some code over to Azure Functions where the code was written with dependency injection and usages of ILogger in the lower level dependencies. NET Core, Logger is available as DI (dependency injection) to every controller by default. Logging through ILogger. Now everything should be in place to hit F5 and start the local debugging. NET Core Posted on March 27, 2016 March 28, 2016 by Jeremy Lindsay in. AMS v3 uses Azure Active Directory to authenticate requests. When using the default recoverability or specifying custom number of immediate retries, the number of delivery attempts specified on the underlying queue (ASB) or Azure Functions host (ASB) must be more than then number of the immediate retries. The Problem. A Serilog Logging Helper for Azure Functions. Azure Function Dependency Injection with AutoFac: Autofac on Functions Azure Function Dependency Injection with AutoFac: Autofac on Functions. Version 2 of the Azure functions framework is build on. After the concept and benefits are known by the team, I think it is much easier to turn the ship towards the Dependency injection final destination. Someone already came across this issue, and references a commit that may be. Azure Functions V2 supports ASP. The professional’s guide to C# 7, with expert guidance on the newest features. Since I originally wrote these for the web site, I used the ILogger in all my calls and dependent objects. NET Core apps, such as configuration, dependency injection (DI), and logging, to non-HTTP apps. Once configured Serverless framework generates a Cloud Formation template off of the back of this which AWS uses to provision the appropriate infrastructure. Adding (simple) dependency injection. Microsoft's offer is called Azure Functions while Amazon calls it AWS Lambda. 0! This is a huge milestone packed with several capabilities, all focused around making it easier than ever for you to build highly scalable serverless applications. NET Core ILogger is supported in the WebJob SDK, if configured in the startup. With the newly introduced Dependency Injection for Azure Functions the secret management could be stuffed away in a service that is injected in the functions where it is needed. NET Core does via Microsoft. MEF - or Managed Extensibility Framework - is Microsoft's official Inversion Of Control (IoC) and Dependency Injection (DI) framework. For larger Azure Function apps, I think this would be the approach. After setting up your DbContext you probably want to use it in your Azure Functions. DependencyInjection. Your logs will be merged with the other telemetry coming from your application, so that you can identify the traces associated with. The cache in Orchard relies on the ASP. ILogger is supported by the new WebJob SDK since the migration to. However, with the recent release of dependency injection support for Azure Functions, working with EF Core in Azure Functions feels a bit nicer, so in this post, I'll explain how I updated my sample app to support an Azure SQL Database as a backing store. For Azure Functions, the recommended way to log seems to be dependency injection of Microsoft. I recently added a logging provider to my open source project (WilderBlog). To make the most of this article, it will be helpful to be familiar with: Azure Functions Dependency Injection and Dependency Injection in ASP. ServiceStack uses a slightly modified version of Funq - which was adopted because of its excellent performance and memory characteristics. However, it does so while also using a whole new set of abstractions, as discussed in my previous post. Extensions package means that we can easily produce code that is maintainable, testable and easy to refactor. Net DI requires ILogger and Azure functions won't let me specify that. OK, now we know how to get Inversion of Control (IoC): instead of referencing a particular concrete implementation, we instead reference an interface or an abstract base class, which creates a level of abstraction and allows us to change things at a later time. It provides all the new infrastructure goodness in ASP. MVC controllers). We'll start with our favourite kind of function a HTTP Trigger function. Dependency injection for Azure Function v2 2018-10-01 Since Azure Function v2 still does not yet has support for dependency injection and this is still a hot topic, I decided to upgrade my soluton for this to Azure Function v2 and provide a nuget package!. akka angular angularjs aspnet aspnetcore aspnetidentity azure chkm cloud codepen cordova css database. 4 hours ago · A ‘Client Function’ is a normal Azure Functions that can be triggered by anything and can interact with Entities. Diagnostics. Although MEF is not a true DI container, it has a lot of features compared to many other IoC frameworks. ILog values using a very small custom module. The Microsoft. Azure Functions V2 is now on public preview and I’m going to write another post for DI on Azure Functions V2, by taking advantage of the simple dependency injection feature that ASP. It provides all the new infrastructure goodness in ASP. Just another reason to give them a go. Once these providers are registered, the application can log to them using an ILogger (retrieved, again, via dependency injection). Cache object and let the consumer of CustomerService inject it instead - a simple design principle known as Dependency Injection. NET Core provides out-of-the-box. Further, I can't figure out how to create an ILogger on the fly to pass into my shared services and business logic. Modules are Docker containers in case of IoT Edge. Back then it was the only way to use dependency injection in Azure Functions, but that's no longer the case. NET Core bakes these features into the framework and usage of does not require a trade-off of power or flexibility. NET Search for: Search Skip to content. There are some exceptions (e. Azure Functions are Microsoft’s offering in this space and they can be very cost-effective as not only do they remove management burden, scale with consumption, and simplify handling events but they come with a generous monthly free allowance. I’m going to start with the very start of your ASP. GitHub Gist: instantly share code, notes, and snippets. This injects the dependencies and resolves the same at runtime. Strategy for Azure Functions Model Domain Model 21. The first step was to reference the EF Core SQL Server NuGet package. Extensions package. Sometimes we want to expose multiple public facing services on different domain names. Enable dependency injection in C# Functions It would be useful to have a form of DI in our C# Functions, so we can consistently inject things like our logger class, or other Autofac DI services, into every C# Function we create. Extends Azure functions to support routing to handlers, auth, validation and more - 2. 10 with "Azure Functions and Web Jobs Tools" version 15. Azure Functions with ILogger example. Diagnostics. The Microsoft. The Problem. Áp dụng DI vào ASP. If you require any more additional information about implementing DI into Azure functions, then check out the official Microsoft page here. You often need to log data, information, errors, system events, and such things. This appears to be the opinion that is held by the Azure Functions team as well: Chris Anderson a PM on the Functions team writes that Azure Functions are the logical successor to WebJobs. I view logging as an optional dependency, since you want logging to occur in a production system, but you generally don't want logging to occur when you are executing unit tests. Azure Functions V2 supports ASP. This new Dependency Injection feature will help us write cleaner, better abstracted and easier to test Azure Functions. ILogger is supported by the new WebJob SDK since the migration to. Forms developer for over 4 years now (I still am), I feel as though I have a good grasp on the good and the bad. Http The purpose of this library is to help developers with dependency injection per HTTP request context. Azure WebJobs are awesome and you should start using them right now! 28 January 2015 These real world experiences with Azure are now available in the Pluralsight course "Modernizing Your Websites with Azure Platform as a Service". NET Core Console Applications. Build and debug locally without additional setup, deploy and operate at scale in the cloud, and integrate services using triggers and bindings. To make the most of this article, it will be helpful to be familiar with: Azure Functions Dependency Injection and Dependency Injection in ASP. 0 Azure Functions. Things Just Got Better: Microsoft have finally released a greatly improved DI mechanism for functions. However it should be separated from the main application in that case In the next part I'm going to write about Middlewares and how you can use them to implement special logic to the request pipeline, or how you are able to serve specific logic on. But let's talk reality: Say I have a class that is in production and now I want to add some kind of logging functionality. NET Core functions like dependency injection. Secrets are values you usually do not want to see in plain text files, user and password for a database or an API token for example. Let’s embrace ourselves and go at it. NET developers have using Dependency Injection to better architect the applications in a way that simplifies management of application services, such as connections as well as an easier way for testing. NET language API, or a Bash. A console application running an IHost can be ideal within Docker containers. Ease of use and focusing solely on the business problem at hand. They allow code to be written in a number of different languages including C#, Java and JavaScript. Both are written in. NET Core Dependency Injection features. I wrote a blog post about this in a few months back. Logging through ILogger. This makes it very difficult to isolate dependencies. We will use dependency injection, recently added to Azure Functions natively, to inject the context into the constructor of both our functions. - Extended the `ErrorHandler` function with a parameter to retrieve a default `ILogger` object - Moved model binding functions from the `Giraffe. Build 2019 に合わせて Azure Functions v2 で Dependency Injection が正式にサポートされましたね。これまでも static を外して WebJobsStartup を書けば使えていましたが、DI 向けに整理されました。. Le Azure Function sono state introdotte nella piattaforma cloud per permette la definizione di funzioni da eseguire ignorando completamente l'ambiente in cui vengono eseguite. 都内の1エンジニアの技術ブログです。ソフトウェア技術、開発手法について気ままに投稿していきます。. The final repo has steps needed to deploy this to your own Azure as well. Using the dependency injection features provided with the Microsoft. Dependency injection in Azure Functions is built on the. JS (1) Visual Studio (16) Web Articles (4) Web Tools (6) Archives. 450 I also have a test HTML/Javascript client served from localhost:54697/ After working out the CORs issues, I still cannot connect to. The constructor based dependency injection loads the TypedHttpClient object that are configured in Startup. That's all well and good until you get warnings the Application Insights SDK version 2. A dependency of type ILoggingDataExtractor. Net core application in a distributed systems environment. I have an Azure Function and an Azure Cloud Service. Http The purpose of this library is to help developers with dependency injection per HTTP request context. Azure Functions V2 is now on public preview and I’m going to write another post for DI on Azure Functions V2, by taking advantage of the simple dependency injection feature that ASP. This is the basic way of dependency injection for Azure Functions. After setting up your DbContext you probably want to use it in your Azure Functions. If you are just joining us, it’s highly recommended you start back on Part 1 as there’s probably some pretty important stuff you’ve missed on the way. The service has a dependency on ILogger; ASP. This appears to be the opinion that is held by the Azure Functions team as well: Chris Anderson a PM on the Functions team writes that Azure Functions are the logical successor to WebJobs. So, if you can inject IHttpRequestContext to access the logger or Http request which is hanging off IHttpRequestContext. The function is made up of a static method, so we need to live with a wee bit of ugliness. The provider is available only for apps that target ASP. NET Core project, the program. It can be done in a similar way that ASP. NET Core Dependency Injection features. Logging is a common logging abstraction from Microsoft, much like log4net and Serilog.