private static async Task WriteLocalPublishDockerfileAsync(StreamWriter writer, string applicationEntryPoint, ContainerInfo container)
{
await writer.WriteLineAsync($"FROM {container.BaseImageName}:{container.BaseImageTag}");
await writer.WriteLineAsync($"WORKDIR /app");
await writer.WriteLineAsync($"COPY . /app");
await writer.WriteLineAsync($"ENTRYPOINT [\"dotnet\", \"{applicationEntryPoint}.dll\"]");
}
public static void ApplyContainerDefaults(Application application, ServiceEntry service, Project project, ContainerInfo container)
{
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (project is null)
{
throw new ArgumentNullException(nameof(project));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
if (container.BaseImageName == null &&
project.Frameworks.Any(f => f.Name == "Microsoft.AspNetCore.App"))
{
container.BaseImageName = "mcr.microsoft.com/dotnet/core/aspnet";
}
else if (container.BaseImageName == null)
{
container.BaseImageName = "mcr.microsoft.com/dotnet/core/runtime";
}
if (container.BaseImageTag == null &&
project.TargetFramework == "netcoreapp3.1")
{
container.BaseImageTag = "3.1";
}
else if (container.BaseImageTag == null &&
project.TargetFramework == "netcoreapp3.0")
{
container.BaseImageTag = "3.0";
}
if (container.BaseImageTag == null)
{
throw new CommandException($"Unsupported TFM {project.TargetFramework}.");
}
container.BuildImageName ??= "mcr.microsoft.com/dotnet/core/sdk";
container.BuildImageTag ??= "3.1";
if (container.ImageName == null && application.Globals.Registry?.Hostname == null)
{
container.ImageName ??= service.Service.Name.ToLowerInvariant();
}
else if (container.ImageName == null && application.Globals.Registry?.Hostname != null)
{
container.ImageName ??= $"{application.Globals.Registry?.Hostname}/{service.Service.Name.ToLowerInvariant()}";
}
container.ImageTag ??= project.Version.Replace("+", "-");
}
public static async Task WriteDockerfileAsync(OutputContext output, Application application, ServiceEntry service, Project project, ContainerInfo container, string filePath)
{
if (output is null)
{
throw new ArgumentNullException(nameof(output));
}
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (project is null)
{
throw new ArgumentNullException(nameof(project));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
if (filePath is null)
{
throw new ArgumentNullException(nameof(filePath));
}
using var stream = File.OpenWrite(filePath);
using var writer = new StreamWriter(stream, encoding: Encoding.UTF8, leaveOpen: true);
var entryPoint = Path.GetFileNameWithoutExtension(project.RelativeFilePath);
output.WriteDebugLine($"Writing dockerfile to '{filePath}'.");
if (container.UseMultiphaseDockerfile ?? true)
{
await WriteMultiphaseDockerfileAsync(writer, entryPoint, container);
}
else
{
await WriteLocalPublishDockerfileAsync(writer, entryPoint, container);
}
output.WriteDebugLine("Done writing dockerfile.");
}
private static async Task WriteMultiphaseDockerfileAsync(StreamWriter writer, string applicationEntryPoint, ContainerInfo container)
{
await writer.WriteLineAsync($"FROM {container.BuildImageName}:{container.BuildImageTag} as SDK");
await writer.WriteLineAsync($"WORKDIR /src");
await writer.WriteLineAsync($"COPY . .");
await writer.WriteLineAsync($"RUN dotnet publish -c Release -o /out");
await writer.WriteLineAsync($"FROM {container.BaseImageName}:{container.BaseImageTag} as RUNTIME");
await writer.WriteLineAsync($"WORKDIR /app");
await writer.WriteLineAsync($"COPY --from=SDK /out .");
await writer.WriteLineAsync($"ENTRYPOINT [\"dotnet\", \"{applicationEntryPoint}.dll\"]");
}
public static async Task BuildHelmChartAsync(OutputContext output, Application application, ServiceEntry service, Project project, ContainerInfo container, HelmChartStep chart)
{
if (output is null)
{
throw new ArgumentNullException(nameof(output));
}
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (project is null)
{
throw new ArgumentNullException(nameof(project));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
if (chart is null)
{
throw new ArgumentNullException(nameof(chart));
}
var projectDirectory = Path.Combine(application.RootDirectory, Path.GetDirectoryName(project.RelativeFilePath) !);
var outputDirectoryPath = Path.Combine(projectDirectory, "bin");
using var tempDirectory = TempDirectory.Create();
HelmChartGenerator.ApplyHelmChartDefaults(application, service, container, chart);
var chartRoot = Path.Combine(projectDirectory, "charts");
var chartPath = Path.Combine(chartRoot, chart.ChartName);
output.WriteDebugLine($"Looking for existing chart in '{chartPath}'.");
if (Directory.Exists(chartPath))
{
output.WriteDebugLine($"Found existing chart in '{chartPath}'.");
}
else
{
chartRoot = tempDirectory.DirectoryPath;
chartPath = Path.Combine(chartRoot, chart.ChartName);
output.WriteDebugLine($"Generating chart in '{chartPath}'.");
await HelmChartGenerator.GenerateAsync(output, application, service, project, container, chart, new DirectoryInfo(tempDirectory.DirectoryPath));
}
output.WriteDebugLine("Running 'helm package'.");
output.WriteCommandLine("helm", $"package -d \"{outputDirectoryPath}\" --version {project.Version.Replace('+', '-')} --app-version {project.Version.Replace('+', '-')}");
var capture = output.Capture();
var exitCode = await Process.ExecuteAsync(
"helm",
$"package . -d \"{outputDirectoryPath}\" --version {project.Version.Replace('+', '-')} --app-version {project.Version.Replace('+', '-')}",
workingDir : chartPath,
stdOut : capture.StdOut,
stdErr : capture.StdErr);
output.WriteDebugLine($"Running 'helm package' exit code: {exitCode}");
if (exitCode != 0)
{
throw new CommandException("Running 'helm package' failed.");
}
output.WriteInfoLine($"Created Helm Chart: {Path.Combine(outputDirectoryPath, chart.ChartName + "-" + project.Version.Replace('+', '-') + ".tgz")}");
}
public static async Task BuildContainerImageAsync(OutputContext output, Application application, ServiceEntry service, Project project, ContainerInfo container)
{
if (output is null)
{
throw new ArgumentNullException(nameof(output));
}
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (project is null)
{
throw new ArgumentNullException(nameof(project));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
using var tempFile = TempFile.Create();
var dockerFilePath = Path.Combine(application.GetProjectDirectory(project), Path.GetDirectoryName(project.RelativeFilePath) !, "Dockerfile");
if (File.Exists(dockerFilePath))
{
output.WriteDebugLine($"Using existing dockerfile '{dockerFilePath}'.");
}
else
{
await DockerfileGenerator.WriteDockerfileAsync(output, application, service, project, container, tempFile.FilePath);
dockerFilePath = tempFile.FilePath;
}
output.WriteDebugLine("Running 'docker build'.");
output.WriteCommandLine("docker", $"build . -t {container.ImageName}:{container.ImageTag} -f \"{dockerFilePath}\"");
var capture = output.Capture();
var exitCode = await Process.ExecuteAsync(
$"docker",
$"build . -t {container.ImageName}:{container.ImageTag} -f \"{dockerFilePath}\"",
application.GetProjectDirectory(project),
stdOut : capture.StdOut,
stdErr : capture.StdErr);
output.WriteDebugLine($"Done running 'docker build' exit code: {exitCode}");
if (exitCode != 0)
{
throw new CommandException("'docker build' failed.");
}
output.WriteInfoLine($"Created Docker Image: {container.ImageName}:{container.ImageTag}");
service.Outputs.Add(new DockerImageOutput(container.ImageName !, container.ImageTag !));
}
public static void ApplyHelmChartDefaults(Application application, ServiceEntry service, ContainerInfo container, HelmChartStep chart)
{
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
if (chart is null)
{
throw new ArgumentNullException(nameof(chart));
}
chart.ChartName ??= service.Service.Name.ToLowerInvariant();
}
public static async Task GenerateAsync(OutputContext output, Application application, ServiceEntry service, Project project, ContainerInfo container, HelmChartStep chart, DirectoryInfo outputDirectory)
{
if (output is null)
{
throw new ArgumentNullException(nameof(output));
}
if (application is null)
{
throw new ArgumentNullException(nameof(application));
}
if (service is null)
{
throw new ArgumentNullException(nameof(service));
}
if (project is null)
{
throw new ArgumentNullException(nameof(project));
}
if (container is null)
{
throw new ArgumentNullException(nameof(container));
}
if (chart is null)
{
throw new ArgumentNullException(nameof(chart));
}
if (outputDirectory is null)
{
throw new ArgumentNullException(nameof(outputDirectory));
}
ApplyHelmChartDefaults(application, service, container, chart);
// The directory with the charts needs to be the same as the chart name
var chartDirectoryPath = Path.Combine(outputDirectory.FullName, chart.ChartName);
Directory.CreateDirectory(chartDirectoryPath);
var templateDirectoryPath = Path.Combine(
Path.GetDirectoryName(typeof(HelmChartGenerator).Assembly.Location) !,
"Templates",
"Helm");
DirectoryCopy.Copy(templateDirectoryPath, chartDirectoryPath);
// Write Chart.yaml
//
// apiVersion: v1
// name: <appname>
// version: <version>
// appVersion: <version>
await File.WriteAllLinesAsync(Path.Combine(chartDirectoryPath, "Chart.yaml"), new[]
{
$"apiVersion: v1",
$"name: {chart.ChartName}",
$"# helm requires the version and appVersion to specified in Chart.yaml",
$"# opulence will override these values when packaging the chart",
$"version: {project.Version.Replace('+', '-')}",
$"appVersion: {project.Version.Replace('+', '-')}"
});
// Write values.yaml
//
// image:
// repository: rynowak.azurecr.io/rochambot/gamemaster
await File.WriteAllLinesAsync(Path.Combine(chartDirectoryPath, "values.yaml"), new[]
{
$"image:",
$" repository: {container.ImageName}",
});
}
public override async Task <object?> ExecuteAsync()
{
if (callbacks.Count == 0)
{
return(Task.FromResult <object?>(null));
}
if (callbacks.Count > 1)
{
throw new InvalidOperationException("More than one application type is not supported.");
}
var kvp = callbacks.Single();
var type = kvp.Key;
var delegates = kvp.Value;
output.WriteDebugLine($"Creating instance of application type '{type}'.");
var application = Activator.CreateInstance(type);
output.WriteDebugLine($"Done creating instance of application type '{type}'.");
var wrapper = new ApplicationWrapper(application !, rootDirectory);
wrapper.Globals.Name ??= name;
foreach (var service in wrapper.Services)
{
output.WriteDebugLine($"Found service '{service.FriendlyName} {{ Name: {service.Service.Name} }}'.");
string?projectRelativeFilePath = null;
string?projectFilePath = null;
if (solution != null)
{
var project = FindProjectInSolution(solution, service.FriendlyName);
if (project == null)
{
output.WriteDebugLine($"Could not find project for service '{service.FriendlyName}'.");
continue;
}
output.WriteDebugLine($"Found project '{project.RelativePath}' for service '{service.FriendlyName}'.");
projectRelativeFilePath = project.RelativePath.Replace('\\', Path.DirectorySeparatorChar);
projectFilePath = project.AbsolutePath.Replace('\\', Path.DirectorySeparatorChar);
}
else if (projectFile != null)
{
var normalized = Names.NormalizeToFriendly(Path.GetFileNameWithoutExtension(projectFile.Name));
if (!string.Equals(normalized, service.FriendlyName))
{
output.WriteDebugLine($"Skipping service '{service.FriendlyName}'.");
continue;
}
projectRelativeFilePath = projectFile.FullName;
projectFilePath = projectFile.FullName;
}
if (projectFilePath != null)
{
var project = new Project(projectRelativeFilePath !);
await ProjectReader.ReadProjectDetailsAsync(output, new FileInfo(projectFilePath), project);
service.Service.Source = project;
// Apply defaults to everything that has a project.
var container = new ContainerInfo();
service.Service.GeneratedAssets.Container = container;
DockerfileGenerator.ApplyContainerDefaults(wrapper, service, project, container);
}
}
output.WriteDebugLine($"Running {delegates.Count} customization callbacks.");
for (var i = 0; i < delegates.Count; i++)
{
delegates[i].DynamicInvoke(application);
}
output.WriteDebugLine($"Done running {delegates.Count} customization callbacks.");
return(application);
}