source: branches/2924_DotNetCoreMigration/HeuristicLab.PluginInfrastructure/3.3/Isolation/DockerRunnerHost.cs @ 17013

using System.Diagnostics;
using System.IO;
using System.Threading.Tasks;
using HeuristicLab.PluginInfrastructure.Exceptions;

namespace HeuristicLab.PluginInfrastructure {
  /// <summary>
  /// IRunner for isolation with docker.
  /// </summary>
  public class DockerRunnerHost : RunnerHost {
    #region Constants
    private readonly static string Docker = "docker";
    private readonly static string ContainerStartup = "container run -i --rm ";
    private readonly static string MountingLinux = @"--mount type=bind,source=/c/Users/,target=/Users ";
    private readonly static string MountingWindows = @"--mount type=bind,source=C:\Users\,target=C:\Users\ ";
    private readonly static string LinuxImage = "." + Path.DirectorySeparatorChar + "DockerLinuxBuild" + Path.DirectorySeparatorChar + "Dockerfile";
    private readonly static string WindowsImage = "." + Path.DirectorySeparatorChar + "DockerWindowsBuild" + Path.DirectorySeparatorChar + "Dockerfile";
    private readonly static string Image = "heuristiclab33:latest";
    private readonly static string DockerExceptionMessage = "Docker is not running!";
    #endregion

    #region Constructors
    public DockerRunnerHost()
      : base(Docker, ContainerStartup + GetTargetOSMounting() + Image, null, null, null) {
    }
    #endregion

    #region Helper

    private static string GetTargetOSMounting() {
      Task<bool> win = Task.Run(() => BuildImage(WindowsImage));
      Task<bool> lin = Task.Run(() => BuildImage(LinuxImage));
      if (win.Result) return MountingWindows;
      else if (lin.Result) return MountingLinux;
      else throw new DockerException(DockerExceptionMessage);
    }

    private static bool BuildImage(string pathToDockerfile) {
      var process = new Process {
        StartInfo = new ProcessStartInfo {
          FileName = Docker,
          Arguments = "image build -t " + Image +
            " -f " + Path.GetFullPath(pathToDockerfile) +
            " .",
          UseShellExecute = false,
          RedirectStandardOutput = true,
          RedirectStandardInput = false,
          RedirectStandardError = true,
          CreateNoWindow = false
        },
        EnableRaisingEvents = false
      };
      process.Start();
      process.BeginOutputReadLine();
      process.BeginErrorReadLine();
      process.WaitForExit();
      return process.ExitCode == 0;
    }
    #endregion
  }
}