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Open Telemetry Console Exporter Json output #5588

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Open Telemetry Console Exporter Json output #5588

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2ee34ef
json output
meijeran May 1, 2024
c8d4b39
Refactor ConsoleActivityExporter to use ToString() for TraceId, SpanI…
meijeran May 1, 2024
969eb9d
Refactor ConsoleActivityExporter to use ToString() for TraceId, SpanI…
meijeran May 2, 2024
71a5e84
Merge branch 'open-telemetry:main' into json-logging
meijeran May 2, 2024
5a82bc7
Refactor ConsoleActivityExporter to handle null values in JSON serial…
meijeran May 2, 2024
8b8dc55
Merge branch 'main' into json-logging
meijeran May 6, 2024
f5bd25b
Merge branch 'main' into json-logging
meijeran May 8, 2024
55fa273
Merge branch 'main' into json-logging
meijeran May 14, 2024
798369d
Merge branch 'open-telemetry:main' into json-logging
meijeran Jun 4, 2024
21f391f
Merge branch 'main' into json-logging
meijeran Jun 12, 2024
5b30458
Merge branch 'main' into json-logging
meijeran Jun 20, 2024
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169 changes: 61 additions & 108 deletions src/OpenTelemetry.Exporter.Console/ConsoleActivityExporter.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,9 @@
// SPDX-License-Identifier: Apache-2.0

using System.Diagnostics;
using System.Text.Json;
using System.Text.Json.Serialization;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;

namespace OpenTelemetry.Exporter;

Expand All @@ -18,119 +19,71 @@ public override ExportResult Export(in Batch<Activity> batch)
{
foreach (var activity in batch)
{
this.WriteLine($"Activity.TraceId: {activity.TraceId}");
this.WriteLine($"Activity.SpanId: {activity.SpanId}");
this.WriteLine($"Activity.TraceFlags: {activity.ActivityTraceFlags}");
if (!string.IsNullOrEmpty(activity.TraceStateString))
var output = new
{
this.WriteLine($"Activity.TraceState: {activity.TraceStateString}");
}

if (activity.ParentSpanId != default)
{
this.WriteLine($"Activity.ParentSpanId: {activity.ParentSpanId}");
}

this.WriteLine($"Activity.ActivitySourceName: {activity.Source.Name}");
if (!string.IsNullOrEmpty(activity.Source.Version))
{
this.WriteLine($"Activity.ActivitySourceVersion: {activity.Source.Version}");
}

this.WriteLine($"Activity.DisplayName: {activity.DisplayName}");
this.WriteLine($"Activity.Kind: {activity.Kind}");
this.WriteLine($"Activity.StartTime: {activity.StartTimeUtc:yyyy-MM-ddTHH:mm:ss.fffffffZ}");
this.WriteLine($"Activity.Duration: {activity.Duration}");
var statusCode = string.Empty;
var statusDesc = string.Empty;

if (activity.TagObjects.Any())
{
this.WriteLine("Activity.Tags:");
foreach (ref readonly var tag in activity.EnumerateTagObjects())
{
if (tag.Key == SpanAttributeConstants.StatusCodeKey)
{
statusCode = tag.Value as string;
continue;
}

if (tag.Key == SpanAttributeConstants.StatusDescriptionKey)
{
statusDesc = tag.Value as string;
continue;
}

if (this.TagWriter.TryTransformTag(tag, out var result))
{
this.WriteLine($" {result.Key}: {result.Value}");
}
}
}

if (activity.Status != ActivityStatusCode.Unset)
{
this.WriteLine($"StatusCode: {activity.Status}");
if (!string.IsNullOrEmpty(activity.StatusDescription))
{
this.WriteLine($"Activity.StatusDescription: {activity.StatusDescription}");
}
}
else if (!string.IsNullOrEmpty(statusCode))
{
this.WriteLine($" StatusCode: {statusCode}");
if (!string.IsNullOrEmpty(statusDesc))
{
this.WriteLine($" Activity.StatusDescription: {statusDesc}");
}
}

if (activity.Events.Any())
{
this.WriteLine("Activity.Events:");
foreach (ref readonly var activityEvent in activity.EnumerateEvents())
Activity = new
{
this.WriteLine($" {activityEvent.Name} [{activityEvent.Timestamp}]");
foreach (ref readonly var attribute in activityEvent.EnumerateTagObjects())
{
if (this.TagWriter.TryTransformTag(attribute, out var result))
TraceId = activity.TraceId.ToString(),
SpanId = activity.SpanId.ToString(),
TraceFlags = activity.ActivityTraceFlags,
TraceState = string.IsNullOrEmpty(activity.TraceStateString) ? null : activity.TraceStateString,
ParentSpanId = activity.ParentSpanId == default ? default : activity.ParentSpanId.ToString(),
ActivitySourceName = activity.Source.Name,
ActivitySourceVersion =
string.IsNullOrEmpty(activity.Source.Version) ? null : activity.Source.Version,
DisplayName = activity.DisplayName,
Kind = activity.Kind,
StartTime = activity.StartTimeUtc.ToString("yyyy-MM-ddTHH:mm:ss.fffffffZ"),
Duration = activity.Duration,
Tags = activity.TagObjects.Select(tag => new { Key = tag.Key, Value = tag.Value }).ToList(),
StatusCode = activity.Status != ActivityStatusCode.Unset ? activity.Status.ToString() : null,
StatusDescription =
!string.IsNullOrEmpty(activity.StatusDescription) ? activity.StatusDescription : null,
Events = activity.Events.Any()
? null
: activity.Events.Select(e => new
{
this.WriteLine($" {result.Key}: {result.Value}");
}
}
}
}

if (activity.Links.Any())
{
this.WriteLine("Activity.Links:");
foreach (ref readonly var activityLink in activity.EnumerateLinks())
{
this.WriteLine($" {activityLink.Context.TraceId} {activityLink.Context.SpanId}");
foreach (ref readonly var attribute in activityLink.EnumerateTagObjects())
{
if (this.TagWriter.TryTransformTag(attribute, out var result))
Name = e.Name,
Timestamp = e.Timestamp,
Attributes = e.Tags.Select(a => new { Key = a.Key, Value = a.Value }).ToList(),
}).ToList(),
Links = activity.Links.Any()
? null
: activity.Links.Select(l =>
{
this.WriteLine($" {result.Key}: {result.Value}");
}
}
}
}

var resource = this.ParentProvider.GetResource();
if (resource != Resource.Empty)
if (l.Tags != null)
{
return new
{
TraceId = l.Context.TraceId,
SpanId = l.Context.SpanId,
Attributes = l.Tags.Select(a => new { Key = a.Key, Value = a.Value }).ToList(),
};
}

return null;
}).ToList(),
Resource = this.ParentProvider.GetResource() != Resource.Empty
? this.ParentProvider.GetResource().Attributes.Select(a => new { Key = a.Key, Value = a.Value })
.ToList()
: null,
},
};

var options = new JsonSerializerOptions
{
this.WriteLine("Resource associated with Activity:");
foreach (var resourceAttribute in resource.Attributes)
{
if (this.TagWriter.TryTransformTag(resourceAttribute, out var result))
{
this.WriteLine($" {result.Key}: {result.Value}");
}
}
}
WriteIndented = true,
#if NETSTANDARD || NETFRAMEWORK
IgnoreNullValues = true,
#else
DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
#endif
Converters = { new JsonStringEnumConverter(), },
};

var json = JsonSerializer.Serialize(output, options);
this.WriteLine(json);

this.WriteLine(string.Empty);
}

return ExportResult.Success;
Expand Down