public async Task <IEnumerable <TraceViewModel> > Get(
[FromQuery] string service, [FromQuery] string tags,
[FromQuery] long?startTimestamp, [FromQuery] long?finishTimestamp,
[FromQuery] int?minDuration, [FromQuery] int?maxDuration, [FromQuery] int?limit)
{
var query = new TraceQuery
{
Tags = tags,
ServiceName = service,
StartTimestamp = TimestampHelpers.Convert(startTimestamp),
FinishTimestamp = TimestampHelpers.Convert(finishTimestamp),
MinDuration = minDuration,
MaxDuration = maxDuration,
Limit = limit.GetValueOrDefault(10)
};
var data = await _spanQuery.GetTraces(query);
var traceViewModels = _mapper.Map <List <TraceViewModel> >(data);
foreach (var trace in traceViewModels)
{
var item = data.FirstOrDefault(x => x.TraceId == trace.TraceId);
trace.Services = GetTraceServices(item);
}
return(traceViewModels);
}
public async Task <IEnumerable <TraceHistogramViewModel> > GetTraceHistogram(
[FromQuery] string service, [FromQuery] string tags,
[FromQuery] long?startTimestamp, [FromQuery] long?finishTimestamp,
[FromQuery] int?minDuration, [FromQuery] int?maxDuration, [FromQuery] int?limit)
{
var query = new TraceQuery
{
Tags = tags,
ServiceName = service,
StartTimestamp = TimestampHelpers.Convert(startTimestamp),
FinishTimestamp = TimestampHelpers.Convert(finishTimestamp),
MinDuration = minDuration,
MaxDuration = maxDuration,
Limit = limit.GetValueOrDefault(10)
};
var data = await _spanQuery.GetTraceHistogram(query);
return(_mapper.Map <List <TraceHistogramViewModel> >(data));
}
public async Task <DependencyViewModel> Get([FromQuery] long?startTimestamp, [FromQuery] long?finishTimestamp)
{
var spans = await _spanQuery.GetSpanDependencies(
new DependencyQuery
{
StartTimestamp = TimestampHelpers.Convert(startTimestamp),
FinishTimestamp = TimestampHelpers.Convert(finishTimestamp),
});
var dependency = new DependencyViewModel();
dependency.Nodes = GetNodes(spans).ToList();
var dependencies = spans.Where(x => x.References.Any(r => r.Reference == "ChildOf")).GroupBy(x =>
{
var @ref = x.References.First();
var parent = spans.FirstOrDefault(s => s.SpanId == @ref.ParentId);
return(new { source = ServiceHelpers.GetService(parent), target = ServiceHelpers.GetService(x) });
});
foreach (var item in dependencies)
{
if (item.Key.source == item.Key.target)
{
continue;
}
dependency.Edges.Add(new EdgeViewModel
{
Source = item.Key.source,
Target = item.Key.target,
Value = item.Count()
});
}
return(dependency);
}