Clarify telemetry library resource attributes #494
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arminru
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tigrannajaryan and
yurishkuro
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| If another SDK, like a fork or a vendor-provided implementation, is used, `telemetry.sdk.name` | ||
| MUST be set to the fully-qualified class or module name of that SDK's main entry point | ||
| or another suitable identifier depending on the language. |
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Nit: I wonder if we should recommend fully-qualified name if we ourselves don't use it. Not a big deal, works either way for me.
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That's fine I think, given that the default SDK will be the most commonly used one out there it deserves a special status.
I defined a hard-coded string for the OpenTelemetry default SDK in order to have a single uniform value across all language implementations. This makes it easier in case someone wants to build handling around that in a backend.
| **Description:** Telemetry library information. | ||
| **Description:** The SDK used to produce telemetry data. | ||
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| If the default OpenTelemetry SDK provided by the OpenTelemetry project is used, |
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Wait, if the instrumentation adapter is used - will it be the name of the adapter than?
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@SergeyKanzhelev Please clarify what you mean by instrumentation adapter, this term is completely new to me.
Do you refer to any of the things defined in our glossary (https://github.com/open-telemetry/opentelemetry-specification/blob/master/specification/glossary.md) or something else?
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@SergeyKanzhelev @yurishkuro please let us know if your concerns are addressed. |
| **Description:** The telemetry SDK used to capture data recorded by the instrumentation libraries. | ||
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| If the default OpenTelemetry SDK provided by the OpenTelemetry project is used, | ||
| `telemetry.sdk.name` MUST be set to `opentelemetry`. |
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What is responsible for setting mandatory resource attributes? Is the default SDK required to set these values? I think it's unclear where the responsibility lies for a lot of these things. A sentence or two of clarification would be very helpful.
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Good point! I rephrased it accordingly.
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@open-telemetry/specs-approvers are we ready to merge this? :) |
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Please merge. |
Resolves #484.
I renamed the attributes since calling them just
libraryis highly ambiguous as we realized in the last SIG spec meeting.By introducing a nested set of keys in
telemetry.sdk.*, we could neatly introduce something liketelemetry.api.*in future if we also want to keep track of the OpenTelemetry API version being used. This is, however, out of scope of this PR since this is only to clarify the current intention of the status quo.I defined a hard-coded string for the OpenTelemetry default SDK in order to have a single uniform value across all language implementations. This makes it easier in case someone wants to build handling around that in a backend.