David Fowler
7 years ago
18 changed files with 186 additions and 181 deletions
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using System; |
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using System.Collections.Generic; |
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using System.Text; |
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using System.Threading.Tasks; |
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namespace Microsoft.Tye |
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{ |
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public static class ApplicationBuilderExtensions |
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{ |
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public static async Task<bool> TransformProjectsIntoContainersAync(this ApplicationBuilder application, OutputContext output) |
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{ |
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var targets = new[] { "Restore", "Publish" }; |
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for (var i = 0; i < application.Services.Count; i++) |
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{ |
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var service = application.Services[i]; |
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if (!(service is ProjectServiceBuilder project)) |
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{ |
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continue; |
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} |
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if (!await ProjectReader.ReadProjectDetailsAsync(output, project, targets)) |
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{ |
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return false; |
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} |
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PopulateProjectDefaults(project); |
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static string DetermineContainerImage(ProjectServiceBuilder project) |
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{ |
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return $"mcr.microsoft.com/dotnet/core/sdk:{project.TargetFrameworkVersion}"; |
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} |
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// We transform the project information into the following docker command:
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// docker run -w /app -v {publishDir}:/app -it {image} dotnet {outputfile}.dll
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var containerImage = DetermineContainerImage(project); |
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var outputFileName = project.AssemblyName + ".dll"; |
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var containerService = new ContainerServiceBuilder(service.Name, containerImage) |
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{ |
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Replicas = project.Replicas, |
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Args = $"dotnet {outputFileName} {project.Args}", |
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WorkingDirectory = "/app" |
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}; |
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containerService.Volumes.Add(new VolumeBuilder(source: project.PublishDir, name: null, target: "/app")); |
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// Make volume mapping works when running as a container
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containerService.Volumes.AddRange(project.Volumes); |
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containerService.Bindings.AddRange(project.Bindings); |
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containerService.EnvironmentVariables.AddRange(project.EnvironmentVariables); |
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application.Services[i] = containerService; |
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} |
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return true; |
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} |
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public static async Task<bool> BuildProjectsAsync(this ApplicationBuilder application, OutputContext output) |
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{ |
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var targets = new string[] { "Restore", "Build" }; |
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foreach (var service in application.Services) |
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{ |
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if (service is ProjectServiceBuilder project) |
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{ |
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if (!await ProjectReader.ReadProjectDetailsAsync(output, project, targets)) |
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{ |
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return false; |
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} |
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PopulateProjectDefaults(project); |
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} |
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} |
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return true; |
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} |
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private static void PopulateProjectDefaults(ProjectServiceBuilder project) |
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{ |
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if (project.Bindings.Count == 0 && project.IsAspNet) |
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{ |
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// HTTP is the default binding
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project.Bindings.Add(new BindingBuilder() |
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{ |
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Protocol = "http" |
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}); |
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project.Bindings.Add(new BindingBuilder() |
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{ |
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Name = "https", |
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Protocol = "https" |
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}); |
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} |
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} |
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} |
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} |
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@ -1,93 +0,0 @@ |
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// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Collections.Generic; |
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using System.Threading.Tasks; |
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using Microsoft.Extensions.Logging; |
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using Microsoft.Tye.Hosting.Model; |
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namespace Microsoft.Tye.Hosting |
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{ |
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public class TransformProjectsIntoContainers : IApplicationProcessor |
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{ |
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private readonly ILogger _logger; |
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public TransformProjectsIntoContainers(ILogger logger) |
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{ |
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_logger = logger; |
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} |
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public Task StartAsync(Application application) |
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{ |
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// This transforms a ProjectRunInfo into a container
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var tasks = new List<Task>(); |
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foreach (var s in application.Services.Values) |
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{ |
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if (s.Description.RunInfo is ProjectRunInfo project) |
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{ |
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tasks.Add(TransformProjectToContainer(s, project)); |
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} |
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} |
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return Task.WhenAll(tasks); |
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} |
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private async Task TransformProjectToContainer(Service service, ProjectRunInfo project) |
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{ |
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var serviceDescription = service.Description; |
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var serviceName = serviceDescription.Name; |
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service.Status.ProjectFilePath = project.ProjectFile.FullName; |
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var targetFramework = project.TargetFramework; |
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// Sometimes building can fail because of file locking (like files being open in VS)
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_logger.LogInformation("Publishing project {ProjectFile}", service.Status.ProjectFilePath); |
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var publishCommand = $"publish \"{service.Status.ProjectFilePath}\" --framework {targetFramework} /nologo"; |
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service.Logs.OnNext($"dotnet {publishCommand}"); |
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var buildResult = await ProcessUtil.RunAsync("dotnet", publishCommand, throwOnError: false); |
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service.Logs.OnNext(buildResult.StandardOutput); |
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if (buildResult.ExitCode != 0) |
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{ |
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_logger.LogInformation("Publishing {ProjectFile} failed with exit code {ExitCode}: \r\n" + buildResult.StandardOutput, service.Status.ProjectFilePath, buildResult.ExitCode); |
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// Null out the RunInfo so that
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serviceDescription.RunInfo = null; |
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return; |
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} |
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// We transform the project information into the following docker command:
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// docker run -w /app -v {publishDir}:/app -it {image} dotnet {outputfile}.dll
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var containerImage = DetermineContainerImage(project); |
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var outputFileName = project.AssemblyName + ".dll"; |
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var dockerRunInfo = new DockerRunInfo(containerImage, $"dotnet {outputFileName} {project.Args}") |
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{ |
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WorkingDirectory = "/app" |
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}; |
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dockerRunInfo.VolumeMappings.Add(new DockerVolume(source: project.PublishOutputPath, name: null, target: "/app")); |
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// Make volume mapping works when running as a container
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dockerRunInfo.VolumeMappings.AddRange(project.VolumeMappings); |
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// Change the project into a container info
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serviceDescription.RunInfo = dockerRunInfo; |
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} |
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private static string DetermineContainerImage(ProjectRunInfo project) |
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{ |
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return $"mcr.microsoft.com/dotnet/core/sdk:{project.TargetFrameworkVersion}"; |
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} |
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public Task StopAsync(Application application) |
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{ |
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return Task.CompletedTask; |
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} |
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} |
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} |
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