error.type Reports Overly Detailed Information

[huapeng-zhang]

We are continuously addressing and improving the SDK, if possible, make sure the problem persist in the latest SDK version.

Describe the bug
I am testing the unreleased client metric for the Cosmos DB client. After enabling client metric telemetry with IsClientMetricsEnabled = true and making a few requests, it emits some metrics. However, for the metrics with errors, the error.type contains too much information, which differs from the OpenTelemetry standard. The error.type should contain the type of the error or another concise message that indicates the type of the error.

Example of error.type dimension:

Response status code does not indicate success: NotFound (404); Substatus: 0; ActivityId: f832ed08-dd41-4f89-92ab-05a0befd6371; Reason: (
Errors : [
  "Resource Not Found. Learn more: https://aka.ms/cosmosdb-tsg-not-found"
]
);

OpenTelemetry standard:

According to the OpenTelemetry standard, the error.type should be more concise and only contain the type of the error. For reference, please see the OpenTelemetry specification: An external link was removed to protect your privacy.

To Reproduce

1. Installing the the "Microsoft.Azure.Cosmos" package with client metrcy.
2. Enable OpenTelemetry metrics and add meter "Azure.Cosmos.Client.Operation" & "Azure.Cosmos.Client.Request"

builder.Services.AddOpenTelemetry()
    .WithTracing(tracing => tracing
        .AddSource("Azure.Cosmos.Operation")
        .AddConsoleExporter()
    )
    .WithMetrics(metrics => metrics
        //.AddAspNetCoreInstrumentation()
        .AddMeter("Azure.Cosmos.Client.Operation")
        .AddMeter("Azure.Cosmos.Client.Request")
        .AddConsoleExporter()
    );

3. Enable cosmos client metric.

CosmosClientTelemetryOptions telemetryOptions = new CosmosClientTelemetryOptions();
telemetryOptions.DisableDistributedTracing = false;
telemetryOptions.IsClientMetricsEnabled = true;

4. Query an item that doesn't exist.

await this.container.ReadItemAsync<Family>("NotExistIdentify", new PartitionKey(wakefieldFamily.PartitionKey));

5. Check error.type dimension of the related metric.

Expected behavior
error.type should be "NotFound (404)" or similar.

Actual behavior
error.type contains overly detailed information like description above.

Environment summary
SDK Version: internal tested SDK (or build from master with hash: 80d9e2e)
OS Version (e.g. Windows, Linux, MacOSX)
Windows

Additional context
Add any other context about the problem here (for example, complete stack traces or logs).