Upgrading TFS 2008 Build Definitions to TFS 2010
If you’re a TFS 2008 user who’s thinking about installing TFS 2010 Beta 2, you may be wondering what will be involved in getting your existing build definitions to work in 2010. You see, build definitions in TFS 2008 are entirely automated using MSBuild. Whereas build definitions in TFS 2010 only use MSBuild for source code compilation and use Windows Workflow to orchestrate everything else that happens during the build process (setting up the workspace, running tests, indexing sources, copying binaries to the drop folder, associating changesets and work items, etc.). We refer to this workflow (it’s actually a XAML file) as a build process template. Naturally, you may have some questions about how this will affect your investment in automation your TFS 2008 builds.
Here are answers to some of the most common questions I’ve heard so far. Please let me know if you have any other questions.
- Will my TFS 2008 build agents work with a TFS 2010 server?
- 2008的生成代理是否能工作在TFS2010中？（不可用！）
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No, they won’t. You’ll need to install the TFS 2010 build service. It’s included in the same setup as the TFS application tier and you would generally set it up on a dedicated build machine. If you’re just doing nightly builds, however, and not doing a steady stream of continuous integration builds, it’s fine to install it on the same machine as your application tier. I recommend reviewing the help topic on Understanding a Team Foundation Build System before deploying more elaborate build infrastructures. After upgrading from TFS 2008 and setting up build services for TFS 2010, you’ll want to review each of you active build definitions and set the default build controller appropriately (see the Defaults tab of the Build Definition editor).
- Can I install the TFS 2010 Build Service on my TFS 2008 build machine?
- 是否能够安装TFS2008生成到TFS2010生成的机器上？（可以，可共享9191端口）
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Yes, you can. Even though they both default to the same port (9191), they can share that port without any problems.
- What else do I need to install on the build machine?
- 生成服务器上我还需要装些什么？（看你要做什么，但.net4.0缺少了一些生成.net2.0,3.x的相关东西，所以估计还是得装上相应的sdks）
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It depends on what you’re building. If you install the TFS 2010 build service on a clean machine, it will install the .NET 4.0 Framework which includes MSBuild. It will also install the components necessary to support the following:
- Code Analysis
- Unit test execution with MSTest
- Architectural layer validation
- Database schema deployment and test data generation
Unfortunately, the .NET 4.0 Framework is missing some of the tools necessary to build projects targeting the .NET 2.0 and 3.x Frameworks. For Beta 2, you can install the Windows SDK or Visual Studio 2010 Beta 2 on the build machine. If you need to build SharePoint or Office (VSTO) projects, you’ll need to install the appropriate SDKs or Visual Studio.
- Will I need to redo my build definition?
- 我需要重做我的生成脚本么？（不需要，可直接运行TFSBuild.proj ？）
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No, you won’t. TFS 2010 includes a special Upgrade build process template that mimics the behavior of TFS 2008 builds by invoking MSBuild on your existing TFSBuild.proj file. TFS 2010 will even let you use new features like gated check-in and shelveset builds.
- Should I convert my build definitions to use the Default build process template?
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The default build process does make it easier to make certain customizations to your build definition using build process parameters.
- Can I keep using my custom MSBuild tasks?
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If you’re using the Upgrade build process template then, yes, you absolutely can continue using your MSBuild tasks. If you choose to use the Default build process template for new build definitions, the answer is a little more complicated. For actions you want to perform during the compile phase of your build, you can customize any of the projects getting built to use whatever custom MSBuild tasks you wish to use.
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If, however, you want to perform actions at some other stage of the build process (e.g. after running tests), it becomes trickier to invoke an MSBuild task. You would need to create a special .proj file invoking the custom task you wanted to use and modify the build process template by adding an MSBuild activity that builds your that .proj file. Alternatively, you could create a custom workflow activity to do what you need to do and integrate that into your build process template. I’ll have blog post up later this week covering that topic in detail.
- If I’m not ready to upgrade to TFS 2010, can I build my VS 2010 solutions/projects with TFS 2008?
- TFS2008也可以生成TFS2010项目
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Yes, here are the steps to configure the TFS 2008 Build Agent to use MSBuild 4.0 to build your VS 2010 solutions:
- Navigate to this folder on the TFS 2008 build agent:
<program files>\Microsoft Visual Studio 9.0\Common7\IDE\PrivateAssemblies\TFSBuildService.exe
- Open the TFSBuildService.exe.config file.
- Search for the MSBuildPath appSetting.
- Set the value to the directory containing the 4.0 version of MSBuild.exe (e.g. “C:\Windows\Microsoft.NET\Framework\v4.0.21006”).
Of course, you’ll need to have .NET 4.0 installed on the TFS 2008 build agent. For Beta 2, I’d recommend installing VS 2010 on the TFS 2008 build agent machine. Let me know if you have any questions.
- Navigate to this folder on the TFS 2008 build agent:
- Have you done anything to about the 260 character limitation on paths?
- 关于260字符限制的问题，貌似只是减少了生成的路径的字符，本质是解决不了了~2008也可以通过自定义生成路径减少发生这个问题的
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Sort of. We’ve changed the default working directory for TFS 2010 build agents to <systemdrive>\Builds rather than putting it beneath the build service account’s temporary directory. We’ve also shortened up the overall path to the working directory for a particular build definition to reduce the odds of you hitting the 260 character path limitation in Windows.
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