Create Multi Stage Pipelines with YAML in Azure DevOps

Until recently, Azure DevOps had offered separate build and release views for its users. This was a little different from pipeline features in other CI/CD tools like Jenkins, where if you build a pipeline, it is a single unified experience. With recent update, they have released unified experience for the Multi Stage Pipelines. Now one can use a unified YAML experience and configure Azure DevOps pipelines to do CI, CD, or CI and CD together. This not only allows to control the build configuration as part of the source code but releases as well. In this blog post, we are going to create and work with the same.
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Working with Azure DevOps Pipelines using Command line

One of the new exciting features introduced in Azure DevOps updates is the introduction of ‘az pipelines’ command group. Microsoft has been putting some efforts in writing YAML based pipelines over the last few months and has also recently introduced the ability to do Continuous Integration or Release or define both in one single pipeline. Since Azure Pipelines can now be managed at the command line, you can use it to further introduce the automation that you have created for your organization. In this blog post, we’ll learn how to use ‘az pipelines’ commands to define, initiate and manage Azure pipelines at the command line.
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Schedule Azure DevOps Pipelines using Cron Syntax

Azure DevOps has always provided the facility of defining Scheduled pipelines using UI Editor. With the push of Sprint 137, this functionality is now moved to the Cron Syntax. (And not Cron-like Syntax :)) Not only the cron syntax is more prominent in the Software world, it also provides more granularity than the UI editor. Also, you can define multiple schedules simultaneously for a single pipelines, allowing you even more flexibility. Not to mention, you can also manage and track build schedules as part of the code. In this blog post, we’ll learn about the same.
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Print all environment variables in Azure DevOps across Microsoft Hosted Agents

While debugging the CI builds, sometimes it becomes necessary to take a peek at the values of the variables that are being passed to the environment used. It helps in understanding what is going on and why some steps are not working as desired in the build pipeline. There are different commands to check the environment variables in different types of agents, mostly based on the underlying Operating System. However, if you happen to use the Microsoft Hosted agents for your build pipelines, we can use one single line of code to print all environmental variables across all agents.
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Dotnet Core 2.0 build fails with Error MSB4062: The “GetDotNetHost” task could not be loaded from the assembly

We were recently observing this issue with one of the new source code repositories for a solution that was written in .NET Core 2.0. The source code was coded using Visual Studio and it was working fine on the developers machine. However, when building it using dotnet core publish task, it kept failing with below error:

T12:47:54.2728059Z C:\Windows\ServiceProfiles\NetworkService.nuget\packages\microsoft.aspnetcore.mvc.razor.viewcompilation\2.0.4\build\netstandard2.0\Microsoft.AspNetCore.Mvc.Razor.ViewCompilation.targets(45,5): error MSB4062: The “GetDotNetHost” task could not be loaded from the assembly C:\Windows\ServiceProfiles\NetworkService.nuget\packages\microsoft.aspnetcore.mvc.razor.viewcompilation\2.0.4\build\netstandard2.0\Microsoft.AspNetCore.Mvc.Razor.ViewCompilation.Tasks.dll. Assembly with same name is already loaded Confirm that the declaration is correct, that the assembly and all its dependencies are available, and that the task contains a public class that implements Microsoft.Build.Framework.ITask
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