private async Task JobFiber(CancellationToken cancellationToken)
{
try {
var headers = new Metadata {
{ ProtocolConstants.AgentKeyHeaderName, apiKey }
};
using var stream = buildServer.acceptBuildJob(headers, null, cancellationToken);
var buildTask = await ReadBuildTask(stream, cancellationToken);
if (buildTask == null)
{
return;
}
await using var buildDir = DirectoryCleanup.CreateTempDir(workspacesDir);
logger.LogInformation("Created workspace for build: {0}, exists: {1}", buildDir.Value, Directory.Exists(buildDir.Value));
var buildRunner = new BuildJobRunner(logger, buildDir.Value, stream.ResponseStream, stream.RequestStream, cancellationToken);
await buildRunner.RunJob(buildTask);
await ProcessArtifacts(stream, buildRunner, cancellationToken);
}
catch (OperationCanceledException) { }
catch (Exception ex) {
logger.LogError(ex, "Error running build job");
await Task.Delay(1000, cancellationToken);
}
finally {
using (await jobLock.EnterAsync(cancellationToken)) {
--runningJobs;
jobLock.Pulse();
}
}
}
private async Task ProcessArtifacts(AsyncDuplexStreamingCall <BuildStatusUpdate, RunBuildCommand> stream, BuildJobRunner buildRunner, CancellationToken cancellationToken)
{
while (await stream.ResponseStream.MoveNext(cancellationToken))
{
var command = stream.ResponseStream.Current;
switch (command.PayloadCase)
{
case RunBuildCommand.PayloadOneofCase.Artifact:
var artifact = command.Artifact;
switch (artifact.PayloadCase)
{
case ArtifactRequest.PayloadOneofCase.Replay:
await buildRunner.SendReplay();
break;
case ArtifactRequest.PayloadOneofCase.Artifact:
await buildRunner.SendArtifact(artifact.Artifact);
break;
default:
throw new Exception("Unknown artifact type.");
}
break;
default:
throw new Exception("Unexpected build request command");
}
}
}
