private async Async.Task <HttpResponseData> Post(HttpRequestData req)
{
var request = await RequestHandling.ParseRequest <NodeStateEnvelope>(req);
if (!request.IsOk)
{
return(await _context.RequestHandling.NotOk(req, request.ErrorV, context : "node event"));
}
var envelope = request.OkV;
_log.Info($"node event: machine_id: {envelope.MachineId} event: {EntityConverter.ToJsonString(envelope)}");
var error = envelope.Event switch {
NodeStateUpdate updateEvent => await OnStateUpdate(envelope.MachineId, updateEvent),
WorkerEvent workerEvent => await OnWorkerEvent(envelope.MachineId, workerEvent),
NodeEvent nodeEvent => await OnNodeEvent(envelope.MachineId, nodeEvent),
_ => new Error(ErrorCode.INVALID_REQUEST, new string[] { $"invalid node event: {envelope.Event.GetType().Name}" }),
};
if (error is Error e)
{
return(await _context.RequestHandling.NotOk(req, e, context : "node event"));
}
else
{
return(await RequestHandling.Ok(req, new BoolResult(true)));
}
}
public async Async.Task <HttpResponseData> Run([HttpTrigger] HttpRequestData req)
{
var request = await RequestHandling.ParseRequest <CanScheduleRequest>(req);
if (!request.IsOk || request.OkV == null)
{
return(await RequestHandling.NotOk(req, request.ErrorV, typeof(CanScheduleRequest).ToString(), _log));
}
var canScheduleRequest = request.OkV;
var node = await _nodeOperations.GetByMachineId(canScheduleRequest.MachineId);
if (node == null)
{
return(await RequestHandling.NotOk(
req,
new Error(
ErrorCode.UNABLE_TO_FIND,
new string[] {
"unable to find node"
}
),
canScheduleRequest.MachineId.ToString(),
_log
));
}
var allowed = true;
var workStopped = false;
if (!await _nodeOperations.CanProcessNewWork(node))
{
allowed = false;
}
var task = await _taskOperations.GetByTaskId(canScheduleRequest.TaskId);
workStopped = task == null || TaskStateHelper.ShuttingDown.Contains(task.State);
if (allowed)
{
allowed = (await _nodeOperations.AcquireScaleInProtection(node)).IsOk;
}
return(await RequestHandling.Ok(
req,
new BaseResponse[] {
new CanSchedule(allowed, workStopped)
}));
}
private async Async.Task <HttpResponseData> Post(HttpRequestData req)
{
var request = await RequestHandling.ParseRequest <CanScheduleRequest>(req);
if (!request.IsOk)
{
return(await _context.RequestHandling.NotOk(req, request.ErrorV, typeof(CanScheduleRequest).ToString()));
}
var canScheduleRequest = request.OkV;
var node = await _context.NodeOperations.GetByMachineId(canScheduleRequest.MachineId);
if (node == null)
{
return(await _context.RequestHandling.NotOk(
req,
new Error(
ErrorCode.UNABLE_TO_FIND,
new string[] {
"unable to find node"
}),
canScheduleRequest.MachineId.ToString()));
}
var allowed = true;
if (!await _context.NodeOperations.CanProcessNewWork(node))
{
allowed = false;
}
var task = await _context.TaskOperations.GetByTaskId(canScheduleRequest.TaskId);
var workStopped = task == null || task.State.ShuttingDown();
if (workStopped)
{
allowed = false;
}
if (allowed)
{
allowed = (await _context.NodeOperations.AcquireScaleInProtection(node)).IsOk;
}
return(await RequestHandling.Ok(req, new CanSchedule(Allowed : allowed, WorkStopped : workStopped)));
}