如何确保构建中包含正确的 DotNet Core？

【问题标题】：How do I ensure correct DotNet Core gets included in the build?如何确保构建中包含正确的 DotNet Core？
【发布时间】：2018-10-29 04:22:32
【问题描述】：

我正在尝试将 .netcore 2.1.5 api 部署到 Windows 2012 Server R2

目前我发布的 api 站点在导航到它时会出现以下错误

HTTP Error 502.5 - Process Failure

Common causes of this issue:
The application process failed to start
The application process started but then stopped
The application process started but failed to listen on the configured port

Troubleshooting steps:
Check the system event log for error messages
Enable logging the application process' stdout messages
Attach a debugger to the application process and inspect

For more information visit: https://go.microsoft.com/fwlink/?LinkID=808681

在事件日志中我可以看到

Event 1000, IIS AspNetCore Module
Application 'MACHINE/WEBROOT/APPHOST/MYSITE.COM.AU/MYAPINAME' with physical root 'C:\WebSites\MYSITE.COM.AU\MyApps\MYAPINAME\' failed to start process
commandline '.\dotnet .\mydllname.dll', ErrorCode='0x80004005 : 80008083

来自this question

我知道我可以包含

 <PublishWithAspNetCoreTargetManifest>False</PublishWithAspNetCoreTargetManifest>

在发布配置文件中如果我想确保在主机上安装正确版本的 DotNetCore。

但是如果我想使用 Azure Devops，我该如何设置呢？

我尝试在“发布”任务中检查“发布 Web 项目”

然后我得到一个错误

No web project was found in the repository. Web projects are identified by 
presence of either a web.config file or wwwroot folder in the directory.

未找到与指定模式匹配的项目文件。

依赖包括

Microsoft.AspNetCore.App 2.1.5

但我没有看到相应的 dll 已部署。

我尝试在电脑上安装 dotnet-runtime-2.1.5，下载自 the installer site

[更新]

我注意到日志文件夹丢失了，所以我手动创建了它

[更新]

我添加了 Eriawan 建议的任务 YAML 是

    steps:
- task: DotNetCoreInstaller@0
  displayName: 'Use .NET Core sdk 2.1.5'
  inputs:
    version: 2.1.5

我进入日志

2018-10-29T08:29:05.4839748Z ##[section]Starting: Use .NET Core sdk 2.1.5
2018-10-29T08:29:05.4843909Z ==============================================================================
2018-10-29T08:29:05.4843981Z Task         : .NET Core Tool Installer
2018-10-29T08:29:05.4844041Z Description  : Acquires a specific version of .NET Core from internet or the tools cache and adds it to the PATH. Use this task to change the version of .NET Core used in subsequent tasks.
2018-10-29T08:29:05.4844089Z Version      : 0.1.16
2018-10-29T08:29:05.4844134Z Author       : Microsoft Corporation
2018-10-29T08:29:05.4844192Z Help         : [More Information](https://go.microsoft.com/fwlink/?linkid=853651)
2018-10-29T08:29:05.4844234Z ==============================================================================
2018-10-29T08:29:05.9812262Z Tool to install: .NET Core sdk version 2.1.5.
2018-10-29T08:29:05.9825645Z Checking if a cached copy exists for this version...
2018-10-29T08:29:05.9830151Z Cache does not contains this particular .NET Core. Will be downloaded and installed.
2018-10-29T08:29:05.9833458Z Detected platform (Primary): win-x64
2018-10-29T08:29:05.9833723Z Getting URL to download .NET Core sdk version: 2.1.5.
2018-10-29T08:29:06.5248134Z Could not fetch download information for version 2.1.5. Please check if the version specified is correct. You can refer the link for supported versions => https://github.com/dotnet/core/blob/master/release-notes/releases.json. Falling back to creating convention based URL.
2018-10-29T08:29:06.5481883Z [command]C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "& 'D:\a\_tasks\DotNetCoreInstaller_b0ce7256-7898-45d3-9cb5-176b752bfea6\0.1.16\externals\install-dotnet.ps1' -Version 2.1.5 -DryRun"
2018-10-29T08:29:07.6386710Z dotnet-install: Payload URLs:
2018-10-29T08:29:07.6387117Z dotnet-install: Primary - https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip
2018-10-29T08:29:07.6387245Z dotnet-install: Legacy - https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip
2018-10-29T08:29:07.6387445Z dotnet-install: Repeatable invocation: .\install-dotnet.ps1 -Version 2.1.5 -Channel LTS -Architecture x64 -InstallDir <auto>
2018-10-29T08:29:07.6451802Z Downloading: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip
2018-10-29T08:29:08.8792388Z ##[warning]Could not download installation package from this URL: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip Error: {}
2018-10-29T08:29:08.8807163Z Downloading: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip
2018-10-29T08:29:09.5450400Z ##[warning]Could not download installation package from this URL: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip Error: {}
2018-10-29T08:29:09.5453128Z ##[error]Failed to download package for installation
2018-10-29T08:29:09.5551776Z ##[section]Finishing: Use .NET Core sdk 2.1.5

设计师展示

csproj 是

    <Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.1</TargetFramework>
           <ApplicationIcon />
    <OutputType>Exe</OutputType>
    <StartupObject />
  </PropertyGroup>

  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
    <DocumentationFile>bin\Debug\netcoreapp2.1\trackApi.xml</DocumentationFile>
    <DefineConstants>TRACE;DEBUG;NETCOREAPP2_1</DefineConstants>
  </PropertyGroup>

  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
    <DocumentationFile>bin\Release\netcoreapp2.1\trackApi.xml</DocumentationFile>
  </PropertyGroup>

  <ItemGroup>
    <Folder Include="logs\" />
    <Folder Include="Views\Account\" />
    <Folder Include="wwwroot\" />
  </ItemGroup>

  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.3" />
  </ItemGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.App" Version="2.1.5" />
    <PackageReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Design" Version="2.1.5" />
    <PackageReference Include="Serilog.Extensions.Logging" Version="2.0.2" />
    <PackageReference Include="Serilog.Sinks.Console" Version="3.1.1" />
    <PackageReference Include="Serilog.Sinks.RollingFile" Version="3.3.0" />
    <PackageReference Include="Swashbuckle.AspNetCore" Version="3.0.0" />
  </ItemGroup>

  <ItemGroup>
    <Content Update="appsettings.json">
      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
    </Content>
  </ItemGroup>

</Project>

[更新]

构建管道中的问题

[更新]

我使用 YAML 创建了一个新管道

pool:
  vmImage: 'VS2017-Win2016'

variables:
  buildConfiguration: 'Debug'

steps:
- task: DotNetCoreInstaller@0
  displayName: 'Use .NET Core sdk 2.1.5'
  inputs:
    version: 2.1.5


- task: DotNetCoreCLI@2
  displayName: Restore
  inputs:
    command: restore

    projects: '**/Api*.csproj'

但是我仍然得到一个错误

018-10-29T09:36:13.7155347Z ##[section]Starting: Use .NET Core sdk 2.1.5
2018-10-29T09:36:13.7158688Z ==============================================================================
2018-10-29T09:36:13.7158742Z Task         : .NET Core Tool Installer
2018-10-29T09:36:13.7158774Z Description  : Acquires a specific version of .NET Core from internet or the tools cache and adds it to the PATH. Use this task to change the version of .NET Core used in subsequent tasks.
2018-10-29T09:36:13.7158842Z Version      : 0.1.16
2018-10-29T09:36:13.7158878Z Author       : Microsoft Corporation
2018-10-29T09:36:13.7158926Z Help         : [More Information](https://go.microsoft.com/fwlink/?linkid=853651)
2018-10-29T09:36:13.7158958Z ==============================================================================
2018-10-29T09:36:14.1220877Z Tool to install: .NET Core sdk version 2.1.5.
2018-10-29T09:36:14.1231419Z Checking if a cached copy exists for this version...
2018-10-29T09:36:14.1238258Z Cache does not contains this particular .NET Core. Will be downloaded and installed.
2018-10-29T09:36:14.1240864Z Detected platform (Primary): win-x64
2018-10-29T09:36:14.1240993Z Getting URL to download .NET Core sdk version: 2.1.5.
2018-10-29T09:36:14.5706519Z Could not fetch download information for version 2.1.5. Please check if the version specified is correct. You can refer the link for supported versions => https://github.com/dotnet/core/blob/master/release-notes/releases.json. Falling back to creating convention based URL.
2018-10-29T09:36:14.5957734Z [command]C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe -NoLogo -Sta -NoProfile -NonInteractive -ExecutionPolicy Unrestricted -Command "& 'D:\a\_tasks\DotNetCoreInstaller_b0ce7256-7898-45d3-9cb5-176b752bfea6\0.1.16\externals\install-dotnet.ps1' -Version 2.1.5 -DryRun"
2018-10-29T09:36:15.3109409Z dotnet-install: Payload URLs:
2018-10-29T09:36:15.3109790Z dotnet-install: Primary - https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip
2018-10-29T09:36:15.3109942Z dotnet-install: Legacy - https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip
2018-10-29T09:36:15.3110089Z dotnet-install: Repeatable invocation: .\install-dotnet.ps1 -Version 2.1.5 -Channel LTS -Architecture x64 -InstallDir <auto>
2018-10-29T09:36:15.3188675Z Downloading: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip
2018-10-29T09:36:16.5236693Z ##[warning]Could not download installation package from this URL: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-sdk-2.1.5-win-x64.zip Error: {}
2018-10-29T09:36:16.5256084Z Downloading: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip
2018-10-29T09:36:17.2185860Z ##[warning]Could not download installation package from this URL: https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip Error: {}
2018-10-29T09:36:17.2189408Z ##[error]Failed to download package for installation
2018-10-29T09:36:17.2271136Z ##[section]Finishing: Use .NET Core sdk 2.1.5

网址https://dotnetcli.azureedge.net/dotnet/Sdk/2.1.5/dotnet-dev-win-x64.2.1.5.zip显示错误

This XML file does not appear to have any style information associated with it. The document tree is shown below.
<Error>
<Code>BlobNotFound</Code>
<Message>
The specified blob does not exist. RequestId:7447502f-301e-00a8-516d-6f7cde000000 Time:2018-10-29T09:57:58.4200303Z
</Message>
</Error>

[更新]

埃里亚万有答案。 我需要使用 YAML 管道并在此处获取版本。

【问题讨论】：

标签： azure-devops


【解决方案1】：

为了控制构建使用特定版本的 .NET Core 运行时，您必须告诉构建代理安装要使用的 .NET Core SDK，并在构建代码之前指定要安装的 SDK 版本。

如果您在 Azure DevOps Pipelines 构建中使用 YAML，则可以运行此任务：DotNetCoreInstaller@0 并将版本设置为 2.1.403。

任务必须在任何任务之前运行，最好是第一个运行的任务。

例如：

- task: DotNetCoreInstaller@0
  inputs:
    version: '2.1.403'

如果您使用的是构建定义设计器，请添加“.NET Core Tool Installer”任务并从那里指定要使用的版本。

请参阅 MSFT 文档上的 .NET Core 构建示例：

https://docs.microsoft.com/en-us/azure/devops/pipelines/languages/dotnet-core?view=vsts&tabs=yaml#build-environment

更新 1：

好的，我看到了您的构建错误。看起来 .NET Core 安装程序任务的 .NET Core SDK 2.1.403 的 URL 地址错误。

您可以改用纯 YAML。我将在 .NET Core 安装程序任务存储库中提交错误。同时，请使用完整的 YAML。

我已经有一个可用的 YAML 文件，我自己的仓库中提供了一个示例。

例如：

https://github.com/RXCommunica/rx-azuredevops-rest/blob/master/azuredevopsrest-ci-vs2017.yml

更新 2：

我已经为你的 YAML 添加了 cmets。 YAML 上的 .NET Core 工具版本不正确。从原始版本更新/更改您的 yaml：

- task: DotNetCoreInstaller@0
  displayName: 'Use .NET Core sdk 2.1.5'
  inputs:
    version: 2.1.5

到：

- task: DotNetCoreInstaller@0
  displayName: 'Use .NET Core sdk 2.1.5'
  inputs:
    version: 2.1.403

这很重要，因为 .NET Core 运行时版本不等于实际 SDK 工具版本。

.NET Core 2.1 的工具版本及相关运行时列表请参考此文档：

https://www.microsoft.com/net/download/dotnet-core/2.1

【讨论】：

  • @KirstenGreed 您如何创建构建定义？你使用 YAML 还是使用可视化任务设计器？而你的 ASP.NET Core 项目的 csproj 的内容是什么？
  • 使用视觉设计器。我会更新问题。
  • @KirstenGreed 请不要直接编辑/更新我的答案。
  • @KirstenGreed 我已经更新了我的答案。现在，请使用完整的 YAML 而不是使用设计器。
  • @KirstenGreed 在您的 YAML 文件上，将值 2.1.5 更改为 '2.1.403'（带单引号）以与用于 .NET Core 2.1.5 运行时的相关 .NET Core SDK 同步。如果失败请告诉我。
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