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correct exporter user-agent example #3052

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merged 3 commits into from
Jan 4, 2023

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robbkidd
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Removes spaces from the example exporter User-Agent string to conform to header field value component definition.

While this section about a User-Agent references RFC7231 for format, the example provided includes spaces in the product identifier. The format for product is as a token, defined in RFC7230, which does not include space in the set of valid characters. Including spaces here will throw off most existing user-agent parsing.

Related issues: example added in #2684

While this section about a User-Agent references RFC7231[1] for format, the
example provided includes spaces in the product identifier. The product
identifier comes in the form of a token, defined in RFC7230[2]. Including
spaces will throw off most existing user-agent parsing.

[1] https://datatracker.ietf.org/doc/html/rfc7231#section-5.5.3
[2] https://datatracker.ietf.org/doc/html/rfc7230#section-3.2.6
@robbkidd robbkidd requested review from a team December 21, 2022 00:08
@arminru arminru added spec:protocol Related to the specification/protocol directory area:sdk Related to the SDK bug Something isn't working labels Dec 21, 2022
@arminru
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arminru commented Dec 21, 2022

Thank you!

Please also add an entry in CHANGELOG.md so SDK and exporter implementors are made aware of the fix, even if it's just in the example.

@carlosalberto
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cc @codeboten

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This PR was marked stale due to lack of activity. It will be closed in 7 days.

@robbkidd
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I am unclear on what change I should make: remove the changelog entry or move it to a different section?

If a different section, which section? OpenTelemetry Protocol because this is about OTLP exporters?

@carlosalberto
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@robbkidd Oh, I meant removing the entry from the Changelog basically. On a second though, we want to be explicit to SIGs about updating their user agents, so leets keep keep the entry.

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6 participants