Simple file-based compute (#65)

1 files changed, 147 insertions, 2 deletions

diff --git a/zenserver/compute/function.cpp b/zenserver/compute/function.cpp
index 9af3efcec..996573573 100644
--- a/zenserver/compute/function.cpp
+++ b/zenserver/compute/function.cpp
@@ -242,6 +242,65 @@ HttpFunctionService::HttpFunctionService(CasStore&						Store,
 		HttpVerb::kGet);
 
 	m_Router.RegisterRoute(
+		"simple/{worker}",
+		[this](HttpRouterRequest& Req) {
+			HttpServerRequest& HttpReq	= Req.ServerRequest();
+			const IoHash	   WorkerId = IoHash::FromHexString(Req.GetCapture(1));
+
+			WorkerDesc Worker;
+
+			{
+				RwLock::SharedLockScope _(m_WorkerLock);
+
+				if (auto It = m_WorkerMap.find(WorkerId); It == m_WorkerMap.end())
+				{
+					return HttpReq.WriteResponse(HttpResponseCode::NotFound);
+				}
+				else
+				{
+					Worker = It->second;
+				}
+			}
+
+			switch (HttpReq.RequestVerb())
+			{
+				case HttpVerb::kGet:
+					{
+						CbObject		 Output;
+						HttpResponseCode ResponseCode = ExecActionUpstreamResult(WorkerId, Output);
+						if (ResponseCode != HttpResponseCode::OK)
+						{
+							return HttpReq.WriteResponse(ResponseCode);
+						}
+
+						{
+							RwLock::SharedLockScope _(m_WorkerLock);
+							m_WorkerMap.erase(WorkerId);
+						}
+
+						return HttpReq.WriteResponse(HttpResponseCode::OK, Output);
+					}
+					break;
+
+				case HttpVerb::kPost:
+					{
+						CbObject		 Output;
+						HttpResponseCode ResponseCode = ExecActionUpstream(Worker, Output);
+						if (ResponseCode != HttpResponseCode::OK)
+						{
+							return HttpReq.WriteResponse(ResponseCode);
+						}
+						return HttpReq.WriteResponse(HttpResponseCode::OK, Output);
+					}
+					break;
+
+				default:
+					break;
+			}
+		},
+		HttpVerb::kGet | HttpVerb::kPost);
+
+	m_Router.RegisterRoute(
 		"jobs/{worker}",
 		[this](HttpRouterRequest& Req) {
 			HttpServerRequest& HttpReq	= Req.ServerRequest();
@@ -403,6 +462,92 @@ HttpFunctionService::HandleRequest(HttpServerRequest& Request)
 }
 
 HttpResponseCode
+HttpFunctionService::ExecActionUpstream(const WorkerDesc& Worker, CbObject& Object)
+{
+	const IoHash WorkerId = Worker.Descriptor.GetHash();
+
+	ZEN_INFO("Action {} being processed...", WorkerId.ToHexString());
+
+	auto EnqueueResult = m_UpstreamApply->EnqueueUpstream({.WorkerDescriptor = Worker.Descriptor, .Type = UpstreamApplyType::Simple});
+	if (!EnqueueResult.Success)
+	{
+		ZEN_ERROR("Error enqueuing upstream Action {}", WorkerId.ToHexString());
+		return HttpResponseCode::InternalServerError;
+	}
+
+	CbObjectWriter Writer;
+	Writer.AddHash("worker", WorkerId);
+
+	Object = Writer.Save();
+	return HttpResponseCode::OK;
+}
+
+HttpResponseCode
+HttpFunctionService::ExecActionUpstreamResult(const IoHash& WorkerId, CbObject& Object)
+{
+	const static IoHash Empty = CbObject().GetHash();
+	auto Status = m_UpstreamApply->GetStatus(WorkerId, Empty);
+	if (!Status.Success)
+	{
+		return HttpResponseCode::NotFound;
+	}
+
+	if (Status.Status.State != UpstreamApplyState::Complete)
+	{
+		return HttpResponseCode::Accepted;
+	}
+
+	GetUpstreamApplyResult& Completed = Status.Status.Result;
+
+	if (!Completed.Success)
+	{
+		ZEN_ERROR("Action {} failed:\n    stdout: {}\n    stderr: {}\n    reason: {}\n    errorcode: {}",
+				  WorkerId.ToHexString(),
+				  Completed.StdOut,
+				  Completed.StdErr,
+				  Completed.Error.Reason,
+				  Completed.Error.ErrorCode);
+
+		if (Completed.Error.ErrorCode == 0)
+		{
+			Completed.Error.ErrorCode = -1;
+		}
+		if (Completed.StdErr.empty() && !Completed.Error.Reason.empty())
+		{
+			Completed.StdErr = Completed.Error.Reason;
+		}
+	}
+	else
+	{
+		ZEN_INFO("Action {} completed with {} files ExitCode={}",
+				 WorkerId.ToHexString(),
+				 Completed.OutputFiles.size(),
+				 Completed.Error.ErrorCode);
+	}
+
+	CbObjectWriter ResultObject;
+
+	ResultObject.AddString("agent"sv, Completed.Agent);
+	ResultObject.AddString("detail"sv, Completed.Detail);
+	ResultObject.AddString("stdout"sv, Completed.StdOut);
+	ResultObject.AddString("stderr"sv, Completed.StdErr);
+	ResultObject.AddInteger("exitcode"sv, Completed.Error.ErrorCode);
+
+	ResultObject.BeginArray("files"sv);
+	for (const auto& File : Completed.OutputFiles)
+	{
+		ResultObject.BeginObject();
+		ResultObject.AddString("name"sv, File.first.string());
+		ResultObject.AddBinary("data"sv, Completed.FileData[File.second]);
+		ResultObject.EndObject();
+	}
+	ResultObject.EndArray();
+
+	Object = ResultObject.Save();
+	return HttpResponseCode::OK;
+}
+
+HttpResponseCode
 HttpFunctionService::ExecActionUpstream(const WorkerDesc& Worker, CbObject Action, CbObject& Object)
 {
 	const IoHash WorkerId = Worker.Descriptor.GetHash();
@@ -412,7 +557,8 @@ HttpFunctionService::ExecActionUpstream(const WorkerDesc& Worker, CbObject Actio
 
 	ZEN_INFO("Action {}/{} being processed...", WorkerId.ToHexString(), ActionId.ToHexString());
 
-	auto EnqueueResult = m_UpstreamApply->EnqueueUpstream({.WorkerDescriptor = Worker.Descriptor, .Action = std::move(Action)});
+	auto EnqueueResult = m_UpstreamApply->EnqueueUpstream(
+		{.WorkerDescriptor = Worker.Descriptor, .Action = std::move(Action), .Type = UpstreamApplyType::Asset});
 
 	if (!EnqueueResult.Success)
 	{
@@ -434,7 +580,6 @@ HttpFunctionService::ExecActionUpstreamResult(const IoHash& WorkerId, const IoHa
 	auto Status = m_UpstreamApply->GetStatus(WorkerId, ActionId);
 	if (!Status.Success)
 	{
-		// throw std::runtime_error(fmt::format("Action {}/{} not found", WorkerId.ToHexString(), ActionId.ToHexString()).c_str());
 		return HttpResponseCode::NotFound;
 	}