protected void AddEnvironmentVariablesToProcess(ProcessStartInfo startInfo, IDictionary <string, string> environmentVariables)
{
var environment = startInfo.Environment;
ProcessHelpers.SetEnvironmentVariable(environment, "ASPNETCORE_ENVIRONMENT", DeploymentParameters.EnvironmentName, Logger);
ProcessHelpers.AddEnvironmentVariablesToProcess(startInfo, environmentVariables, Logger);
}
public virtual Task <PublishedApplication> Publish(DeploymentParameters deploymentParameters, ILogger logger)
{
var publishDirectory = CreateTempDirectory();
using (logger.BeginScope("dotnet-publish"))
{
if (string.IsNullOrEmpty(deploymentParameters.TargetFramework))
{
throw new Exception($"A target framework must be specified in the deployment parameters for applications that require publishing before deployment");
}
var parameters = $"publish "
+ $" --output \"{publishDirectory.FullName}\""
+ $" --framework {deploymentParameters.TargetFramework}"
+ $" --configuration {deploymentParameters.Configuration}"
+ $" /p:TargetArchitecture={deploymentParameters.RuntimeArchitecture}"
+ " --no-restore";
if (deploymentParameters.ApplicationType == ApplicationType.Standalone)
{
parameters += $" --runtime {GetRuntimeIdentifier(deploymentParameters)}";
}
else
{
// Workaround for https://github.com/aspnet/websdk/issues/422
parameters += " -p:UseAppHost=false";
}
parameters += $" {deploymentParameters.AdditionalPublishParameters}";
var startInfo = new ProcessStartInfo
{
FileName = DotnetCommandName,
Arguments = parameters,
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardError = true,
RedirectStandardOutput = true,
WorkingDirectory = deploymentParameters.ApplicationPath,
};
ProcessHelpers.AddEnvironmentVariablesToProcess(startInfo, deploymentParameters.PublishEnvironmentVariables, logger);
var hostProcess = new Process()
{
StartInfo = startInfo
};
logger.LogInformation($"Executing command {DotnetCommandName} {parameters}");
hostProcess.StartAndCaptureOutAndErrToLogger("dotnet-publish", logger);
// A timeout is passed to Process.WaitForExit() for two reasons:
//
// 1. When process output is read asynchronously, WaitForExit() without a timeout blocks until child processes
// are killed, which can cause hangs due to MSBuild NodeReuse child processes started by dotnet.exe.
// With a timeout, WaitForExit() returns when the parent process is killed and ignores child processes.
// https://stackoverflow.com/a/37983587/102052
//
// 2. If "dotnet publish" does hang indefinitely for some reason, tests should fail fast with an error message.
const int timeoutMinutes = 5;
if (hostProcess.WaitForExit(milliseconds: timeoutMinutes * 60 * 1000))
{
if (hostProcess.ExitCode != 0)
{
var message = $"{DotnetCommandName} publish exited with exit code : {hostProcess.ExitCode}";
logger.LogError(message);
throw new Exception(message);
}
}
else
{
var message = $"{DotnetCommandName} publish failed to exit after {timeoutMinutes} minutes";
logger.LogError(message);
throw new Exception(message);
}
logger.LogInformation($"{DotnetCommandName} publish finished with exit code : {hostProcess.ExitCode}");
}
return(Task.FromResult(new PublishedApplication(publishDirectory.FullName, logger)));
}