Files
codex/docs/config.md
bbrown-oai 31b233c7c6 codex-otel: add configurable trace metadata (#21556)
Add Codex config for static trace span attributes and structured W3C
tracestate field upserts. The config flows through OtelSettings so
callers can attach trace metadata without touching every span call site.

Apply span attributes with an SDK span processor so every exported
trace span carries the configured metadata. Model tracestate as nested
member fields so configured keys can be upserted while unrelated
propagated state in the same member is preserved.

Validate configured tracestate before installing provider-global state,
including header-unsafe values the SDK does not reject by itself. This
keeps Codex from propagating malformed trace context from config.

Update the config schema, public docs, and OTLP loopback coverage for
config parsing, span export, propagation, and invalid-header rejection.
2026-05-07 16:06:57 -07:00

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1.8 KiB
Markdown

# Configuration
For basic configuration instructions, see [this documentation](https://developers.openai.com/codex/config-basic).
For advanced configuration instructions, see [this documentation](https://developers.openai.com/codex/config-advanced).
For a full configuration reference, see [this documentation](https://developers.openai.com/codex/config-reference).
## Commit attribution
Codex can add a [git trailer](https://git-scm.com/docs/git-interpret-trailers) to
generated commit messages so commits make Codex's involvement explicit. This
behavior is gated by the `codex_git_commit` feature flag; the top-level
`commit_attribution` setting is only used when that feature is enabled.
Add the following to `~/.codex/config.toml`:
```toml
commit_attribution = "Codex <noreply@openai.com>"
[features]
codex_git_commit = true
```
When enabled, Codex appends a `Co-authored-by:` trailer using the configured
attribution value. If `commit_attribution` is omitted, Codex uses
`Codex <noreply@openai.com>`. Set `commit_attribution = ""` to disable the
trailer while leaving the feature flag enabled.
## OpenTelemetry Trace Metadata
Codex can add static OpenTelemetry span attributes to exported trace spans and
static W3C tracestate fields to propagated trace context:
```toml
[otel.span_attributes]
"example.trace_attr" = "enabled"
[otel.tracestate.example]
alpha = "one"
beta = "two"
```
Nested `otel.tracestate` tables are encoded as semicolon-separated `key:value`
fields inside the named tracestate member. If propagated trace context already
has the named member, Codex upserts configured fields and preserves other fields
in that member. This config shape does not support setting opaque tracestate
member values. Invalid trace metadata entries are ignored during config load and
reported as startup warnings.