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OTEL_EXPORTER_OTLP_SPAN_INSECURE and OTEL_EXPORTER_OTLP_METRIC_INSECURE are not required for new implementations #3719

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OTEL_EXPORTER_OTLP_SPAN_INSECURE and OTEL_EXPORTER_OTLP_METRIC_INSECURE are not required for new implementations #3719

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OTEL_EXPORTER_OTLP_SPAN_INSECURE and OTEL_EXPORTER_OTLP_METRIC_INSECU…
pellared Oct 12, 2023
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Update CHANGELOG.md
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Update exporter.md
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Merge branch 'main' into patch-8
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4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -22,6 +22,10 @@ release.

### OpenTelemetry Protocol

- New exporter implementations do not need to support
`OTEL_EXPORTER_OTLP_SPAN_INSECURE` and `OTEL_EXPORTER_OTLP_METRIC_INSECURE`.
([#3719](https://github.com/open-telemetry/opentelemetry-specification/pull/3719))

### Compatibility

### SDK Configuration
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8 changes: 3 additions & 5 deletions specification/protocol/exporter.md
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Expand Up @@ -22,7 +22,7 @@ The following configuration options MUST be available to configure the OTLP expo

- **Insecure**: Whether to enable client transport security for the exporter's gRPC connection. This option only applies to OTLP/gRPC when an endpoint is provided without the `http` or `https` scheme - OTLP/HTTP always uses the scheme provided for the `endpoint`. Implementations MAY choose to not implement the `insecure` option if it is not required or supported by the underlying gRPC client implementation.
- Default: `false`
- Env vars: `OTEL_EXPORTER_OTLP_INSECURE` `OTEL_EXPORTER_OTLP_TRACES_INSECURE` `OTEL_EXPORTER_OTLP_METRICS_INSECURE` `OTEL_EXPORTER_OTLP_LOGS_INSECURE` `OTEL_EXPORTER_OTLP_SPAN_INSECURE` `OTEL_EXPORTER_OTLP_METRIC_INSECURE` [2]
- Env vars: `OTEL_EXPORTER_OTLP_INSECURE` `OTEL_EXPORTER_OTLP_TRACES_INSECURE` `OTEL_EXPORTER_OTLP_METRICS_INSECURE` `OTEL_EXPORTER_OTLP_LOGS_INSECURE` [2]

- **Certificate File**: The trusted certificate to use when verifying a server's TLS credentials. Should only be used for a secure connection.
- Default: n/a
Expand Down Expand Up @@ -58,10 +58,8 @@ The following configuration options MUST be available to configure the OTLP expo

**[2]**: The environment variables `OTEL_EXPORTER_OTLP_SPAN_INSECURE`
and `OTEL_EXPORTER_OTLP_METRIC_INSECURE` are obsolete because they do not follow
the common naming scheme of the other environment variables. They are still
supported because they were part of a stable release of the specification.

Use `OTEL_EXPORTER_OTLP_TRACES_INSECURE` instead of `OTEL_EXPORTER_OTLP_SPAN_INSECURE` and `OTEL_EXPORTER_OTLP_METRICS_INSECURE` instead of `OTEL_EXPORTER_OTLP_METRIC_INSECURE`.
the common naming scheme of the other environment variables. However, if they are already implemented,
they SHOULD continue to be supported as they were part of a stable release of the specification.

**[3]**: If no compression value is explicitly specified, SIGs can default to the value they deem
most useful among the supported options. This is especially important in the presence of technical constraints,
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