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Add tracing for Cassandra #202

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Merged
merged 2 commits into from
Jul 31, 2025
Merged

Add tracing for Cassandra #202

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2d4fb51
Add tracing for Cassandra
martincostello Jul 30, 2025
a0d65c8
Update CHANGELOG
martincostello Jul 30, 2025
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5 changes: 5 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -162,6 +162,11 @@
* Use 1.12.0-beta.1 of OpenTelemetry.Resources.OperatingSystem ([#145](https://github.com/grafana/grafana-opentelemetry-dotnet/pull/145))
* Use 1.12.0-beta.1 of OpenTelemetry.Resources.Process ([#145](https://github.com/grafana/grafana-opentelemetry-dotnet/pull/145))
* Use 1.12.0-beta.1 of OpenTelemetry.Resources.ProcessRuntime ([#145](https://github.com/grafana/grafana-opentelemetry-dotnet/pull/145))
* Use 3.22.0 of CassandraCSharpDriver
([#202](https://github.com/grafana/grafana-opentelemetry-dotnet/pull/202))
* Enable tracing for Cassandra instrumentation (requires the
`CassandraCSharpDriver.OpenTelemetry` NuGet package to be installed)
([#202](https://github.com/grafana/grafana-opentelemetry-dotnet/pull/202))

### Bug Fixes

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6 changes: 6 additions & 0 deletions src/Grafana.OpenTelemetry.Base/Instrumentations/CassandraInitializer.cs
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Expand Up @@ -4,6 +4,7 @@
//

using OpenTelemetry.Metrics;
using OpenTelemetry.Trace;

namespace Grafana.OpenTelemetry
{
Expand All @@ -19,5 +20,10 @@ protected override void InitializeMetrics(MeterProviderBuilder builder)
"AddCassandraInstrumentation",
new object[] { builder });
}

protected override void InitializeTracing(TracerProviderBuilder builder)
{
builder.AddSource("CassandraCSharpDriver.OpenTelemetry");
}
}
}
6 changes: 2 additions & 4 deletions src/Grafana.OpenTelemetry/Grafana.OpenTelemetry.csproj
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Expand Up @@ -20,11 +20,9 @@
</ItemGroup>

<!-- This dependency is pulled in by `OpenTelemetry.Instrumentation.Cassandra` with a minimum
version of 3.16.0. We change this to 3.17.0, as the previous versions have dependency
requirements that conflict with recent .NET package versions. -->
version of 3.16.0. We change this to 3.22.0 to add support for tracing. -->
<ItemGroup>
<!-- TODO Bump to 3.22.0? -->
<PackageReference Include="CassandraCSharpDriver" Version="[3.17.0,)" />
<PackageReference Include="CassandraCSharpDriver" Version="[3.22.0,)" />
</ItemGroup>

<ItemGroup Label="Stable instrumentation packages with dependencies">
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