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Misc. spec-compliance-matrix updates for Ruby (open-telemetry#2642)
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- We now specify adding attributes up-front as preferred in our documentation: open-telemetry/opentelemetry-ruby#1291
- We implement all of the attribute limits described in the spec. The
  remainder were implemented in: open-telemetry/opentelemetry-ruby#1292
- We have supported the TextMapPropagator for awhile (v0.17, released 2021-04-22)
- We have supported `OTEL_SERVICE_NAME` for awhile (v1.0.0rc2, released 2021-06-23)
- We support all `OTEL_EXPORTER_{JAEGER,ZIPKIN}` defined in the spec since 2021.
- We definitely suppport the Exporter interface (unclear how we could have hit 1.0 without it).
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@ahayworth @beeme1mr
ahayworth authored and beeme1mr committed Aug 31, 2022
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Expand Up @@ -30,7 +30,7 @@ formats is required. Implementing more than one format is optional.
| Set active Span | | N/A | + | + | + | + | + | + | + | + | + | + |
| [Tracer](specification/trace/api.md#tracer-operations) | | | | | | | | | | | | |
| Create a new Span | | + | + | + | + | + | + | + | + | + | + | + |
| Documentation defines adding attributes at span creation as preferred | | | | | | | | | | | + | |
| Documentation defines adding attributes at span creation as preferred | | | | | | + | | | | | + | |
| Get active Span | | N/A | + | + | + | + | + | + | + | + | + | + |
| Mark Span active | | N/A | + | + | + | + | + | + | + | + | + | + |
| Safe for concurrent calls | | + | + | + | + | + | + | + | + | + | + | + |
Expand Down Expand Up @@ -82,7 +82,7 @@ formats is required. Implementing more than one format is optional.
| [IdGenerators](specification/trace/sdk.md#id-generators) | | + | + | | + | + | + | + | + | + | | + |
| [SpanLimits](specification/trace/sdk.md#span-limits) | X | + | + | | + | + | + | + | | - | | + |
| [Built-in `SpanProcessor`s implement `ForceFlush` spec](specification/trace/sdk.md#forceflush-1) | | | + | | + | + | + | + | + | + | + | |
| [Attribute Limits](specification/common/README.md#attribute-limits) | X | | + | | | | + | + | | | | |
| [Attribute Limits](specification/common/README.md#attribute-limits) | X | | + | | | + | + | + | | | | |
| Fetch InstrumentationScope from ReadableSpan | | | + | | | | | + | | | | |

## Baggage
Expand Down Expand Up @@ -255,7 +255,7 @@ Disclaimer: this list of features is still a work in progress, please refer to t
| TraceContext Propagator | | + | + | + | + | + | + | | + | + | + | + |
| B3 Propagator | | + | + | + | + | + | + | | + | + | + | + |
| Jaeger Propagator | | + | + | + | + | + | + | | + | + | - | - |
| [TextMapPropagator](specification/context/api-propagators.md#textmap-propagator) | | + | + | | | | | | | | | |
| [TextMapPropagator](specification/context/api-propagators.md#textmap-propagator) | | + | + | | | + | | | | | | |
| Fields | | + | + | + | + | + | + | | + | + | + | + |
| Setter argument | X | N/A| + | + | + | + | + | | N/A | + | + | + |
| Getter argument | X | N/A| + | + | + | + | + | | N/A | + | + | + |
Expand All @@ -268,34 +268,34 @@ Note: Support for environment variables is optional.
|Feature |Go | Java |JS |Python|Ruby|Erlang|PHP|Rust|C++|.NET|Swift|
|--------------------------------------------------|---|------|---|------|----|------|---|----|---|----|-----|
|OTEL_RESOURCE_ATTRIBUTES | + | + | + | + | + | + | + | + | + | + | - |
|OTEL_SERVICE_NAME | + | + | | | | + | + | | | + | |
|OTEL_SERVICE_NAME | + | + | | | + | + | + | | | + | |
|OTEL_LOG_LEVEL | - | - | + | [-][py1059] | + | - | - | | - | - | - |
|OTEL_PROPAGATORS | - | + | | + | + | + | - | - | - | - | - |
|OTEL_BSP_* | + | + | | + | + | + | - | + | - | - | - |
|OTEL_EXPORTER_OTLP_* | + | + | | + | + | + | - | + | + | + | - |
|OTEL_EXPORTER_JAEGER_* | + | + | | | | - | - | | - | + | - |
|OTEL_EXPORTER_ZIPKIN_* | - | + | | | | - | - | - | - | + | - |
|OTEL_EXPORTER_JAEGER_* | + | + | | | + | - | - | | - | + | - |
|OTEL_EXPORTER_ZIPKIN_* | - | + | | | + | - | - | - | - | + | - |
|OTEL_TRACES_EXPORTER | - | + | | + | + | + | + | - | - | - | |
|OTEL_METRICS_EXPORTER | - | + | | + | - | - | | - | - | - | - |
|OTEL_LOGS_EXPORTER | - | + | | | | | | | | - | |
|OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT | + | + | | + | + | + | + | + | - | - | |
|OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT | + | + | | | | + | + | | | - | |
|OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT | + | + | | | + | + | + | | | - | |
|OTEL_SPAN_EVENT_COUNT_LIMIT | + | + | | + | + | + | + | + | - | - | |
|OTEL_SPAN_LINK_COUNT_LIMIT | + | + | | + | + | + | + | + | - | - | |
|OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT | + | - | | | | + | + | | | - | |
|OTEL_LINK_ATTRIBUTE_COUNT_LIMIT | + | - | | | | + | + | | | - | |
|OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT | + | - | | | + | + | + | | | - | |
|OTEL_LINK_ATTRIBUTE_COUNT_LIMIT | + | - | | | + | + | + | | | - | |
|OTEL_TRACES_SAMPLER | + | + | | + | + | + | | - | - | - | |
|OTEL_TRACES_SAMPLER_ARG | + | + | | + | + | + | | - | - | - | |
|OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT | + | - | | | | - | | | | - | |
|OTEL_ATTRIBUTE_COUNT_LIMIT | + | - | | | | - | | | | - | |
|OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT | + | - | | | + | - | | | | - | |
|OTEL_ATTRIBUTE_COUNT_LIMIT | + | - | | | + | - | | | | - | |
|OTEL_METRICS_EXEMPLAR_FILTER | - | + | | | | | | | | - | |
|OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE | - | + | | | | | | | | - | |

## Exporters

| Feature | Optional | Go | Java | JS | Python | Ruby | Erlang | PHP | Rust | C++ | .NET | Swift |
|--------------------------------------------------------------------------------|----------|----|------|----|----------|------|--------|-----|------|-----|------|-------|
| [Exporter interface](specification/trace/sdk.md#span-exporter) | | | + | | + | | + | + | + | + | + | |
| [Exporter interface](specification/trace/sdk.md#span-exporter) | | | + | | + | + | + | + | + | + | + | |
| [Exporter interface has `ForceFlush`](specification/trace/sdk.md#forceflush-2) | | | + | | [-][py1779] | + | + | + | - | | + | |
| Standard output (logging) | | + | + | + | + | + | + | - | + | + | + | + |
| In-memory (mock exporter) | | + | + | + | + | + | + | + | - | + | + | + |
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