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Matt Quinn 1636bcdd1d fix(otlptrace,otlpmetric): remove endpoint URL path cleaning (#6710 )

When setting an explicit OTLP traces endpoint URL (via
`otlptracehttp.WithEndpointURL` or the
`OTEL_EXPORTER_OTLP_TRACES_ENDPOINT` environment variable), any given
trailing slash is stripped. This makes it impossible to export traces to
an endpoint requiring a trailing slash. It also conflicts with [the
spec](https://opentelemetry.io/docs/specs/otel/protocol/exporter/#endpoint-urls-for-otlphttp):

> For the per-signal variables (OTEL_EXPORTER_OTLP_\<signal\>_ENDPOINT),
the URL MUST be used as-is without any modification. The only exception
is that if an URL contains no path part, the root path / MUST be used
(see [Example
2](https://opentelemetry.io/docs/specs/otel/protocol/exporter/#example-2)).

This stripping happens due to [the use of `path.Clean` in
`otlpconfig.cleanPath`](https://github.com/open-telemetry/opentelemetry-go/blob/b4b461d050f1d0f5bda89ddac718180162120606/exporters/otlp/otlptrace/otlptracehttp/internal/otlpconfig/options.go#L97).
From [the `path.Clean` docs](https://pkg.go.dev/path#Clean):

> The returned path ends in a slash only if it is the root "/".

Fixes #6709.

2025-06-03 07:12:49 +02:00

matchers

all: match go conventions for generated code (#6731 )

2025-05-05 09:41:12 +02:00

otlp

fix(otlptrace,otlpmetric): remove endpoint URL path cleaning (#6710 )

2025-06-03 07:12:49 +02:00

README.md

Decouple otlp/otlptrace/internal from otlp/internal using gotmpl (#4397 )

2023-08-02 12:28:35 -07:00

README.md

Shared

Code under this directory contains reusable internal code which is distributed across packages using //go:generate gotmpl in gen.go files.