LogAnalytics.Client:一个.NET Core客户端,用于将日志和实体发送到Azure Log Analytic

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  • 2022-05-13 05:37
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.NET Core的LogAnalytics客户端 从您的应用程序将日志发送到Azure Log Analytics的最简单方法。 构造一个自定义对象,并将其发送到Log Analytics。 它将在日志中表示为日志条目。 这有助于简化应用程序中的日志记录,并且您可以专注于更重要的业务逻辑。 建立状态 NuGet 在NuGet上可用。 如何使用LogAnalytics客户端 安装包装 使用dotnet CLI安装 dotnet add package LogAnalytics.Client 使用NuGet软件包管理器安装 Install-Package LogAnalytics.Client
LogAnalytics_Client-main.zip
内容介绍
# LogAnalytics Client for .NET Core The easiest way to send logs to Azure Log Analytics from your apps. Construct a custom object and send it to Log Analytics. It will be represented as a log entry in the logs. This helps make logging easy in your applications, and you can focus on more important business logic. ## Build Status [![CI - Integration Tests - NuGet](https://github.com/Zimmergren/LogAnalytics.Client/workflows/CI/badge.svg)](https://www.nuget.org/packages/loganalytics.client) ![CodeQL - Code Security](https://github.com/Zimmergren/LogAnalytics.Client/workflows/CodeQL/badge.svg) ## NuGet The [LogAnalytics.Client](https://www.nuget.org/packages/loganalytics.client) is available on NuGet. ## How to use the LogAnalytics Client ### Installing the package #### Install with the dotnet CLI ``` dotnet add package LogAnalytics.Client ``` #### Install with NuGet Package Manager ``` Install-Package LogAnalytics.Client ``` #### Install by adding a PackageReference to csproj ```xml <PackageReference Include="LogAnalytics.Client" Version="1.1.3" /> ``` #### Install using Paket CLI ``` paket add LogAnalytics.Client ``` ### Initialize the LogAnalyticsClient Initialize a new `LogAnalyticsClient` object with a Workspace Id and a Key: ```csharp LogAnalyticsClient logger = new LogAnalyticsClient( workspaceId: "LAW ID", sharedKey: "LAW KEY"); ``` ### Send a single log entry Synchronous execution (non-HTTP applications): ```csharp logger.SendLogEntry(new TestEntity { Category = GetCategory(), TestString = $"String Test", TestBoolean = true, TestDateTime = DateTime.UtcNow, TestDouble = 2.1, TestGuid = Guid.NewGuid() }, "demolog").Wait(); ``` Asynchronous execution (HTTP-based applications): ```csharp await logger.SendLogEntry(new TestEntity { Category = GetCategory(), TestString = $"String Test", TestBoolean = true, TestDateTime = DateTime.UtcNow, TestDouble = 2.1, TestGuid = Guid.NewGuid() }, "demolog") .ConfigureAwait(false); // Optionally add ConfigureAwait(false) here, depending on your scenario ``` ### Send a batch of log entries with one request If you need to send a lot of log entries at once, it makes better sense to send them as a batch/collection instead of sending them one by one. This saves on requests, resources and eventually costs. ```csharp // Example: Wiring up 5000 entities into an "entities" collection. List<DemoEntity> entities = new List<DemoEntity>(); for (int ii = 0; ii < 5000; ii++) { entities.Add(new DemoEntity { Criticality = GetCriticality(), Message = "lorem ipsum dolor sit amet", SystemSource = GetSystemSource() }); } // Send all 5000 log entries at once, in a single request. await logger.SendLogEntries(entities, "demolog").ConfigureAwait(false); ``` ## Development If you want to develop the project locally and enhance it with your custom logic, or want to contribute to the GitHub repository with a PR, it's a good idea to verify that the code works and tests are flying. ### Configure Tests secrets If you want to develop and run local tests, it is a good idea to set up your custom Log Analytics Workspace Id and Key in the project. This can be done using user secrets. Using the `dotnet` CLI from the `LogAnalyticsClient.Tests` project directory: ``` dotnet user-secrets set "LawConfiguration:LawId" "YOUR LOG ANALYTICS INSTANCE ID" dotnet user-secrets set "LawConfiguration:LawKey" "YOUR LOG ANALYTICS WORKSPACE KEY" dotnet user-secrets set "LawServicePrincipalCredentials:ClientId" "CLIENT ID HERE" dotnet user-secrets set "LawServicePrincipalCredentials:ClientSecret" "CLIENT SECRET HERE" dotnet user-secrets set "LawServicePrincipalCredentials:Domain" "TENANT NAME OR DOMAIN ID HERE" ``` You should now have a `secrets.json` file in your local project, with contents similar to this: ```json { "LawConfiguration": { "LawId": "YOUR LOG ANALYTICS INSTANCE ID", "LawKey": "YOUR LOG ANALYTICS WORKSPACE KEY" }, "LawServicePrincipalCredentials": { "ClientId": "Principal Client ID Here", "ClientSecret": "Principal Client Secret Here", "Domain": "Your tenant guid here, or tenant name" } } ``` #### Where can I get the credentials? To add the secrets with the correct values, you need to add the Workspace Id (LawId), and the Key. You can find these from the Log Analytics Workspace in the Azure Portal, for example. To add the Service Principal secrets, you should create a new service principal and add a secret, then grant it reader access on the Log Analytics resource. There are steps outlines for that part here: https://zimmergren.net/retrieve-logs-from-application-insights-programmatically-with-net-core-c/ - refer to "Step 1". Read more about configuring user secrets in .NET Core projects: https://docs.microsoft.com/aspnet/core/security/app-secrets ## Additional notes This project is a spin-off from code samples. The examples and usage grew over time, and an interest was shown of a wrapper or client for Log Analytics. Related blog posts: - https://zimmergren.net/building-custom-data-collectors-for-azure-log-analytics/ - https://zimmergren.net/log-custom-application-security-events-log-analytics-ingested-in-azure-sentinel/ Keeping it simple.
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