Add output plugins (incl. OpenTelemetry support) - #316
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Add Output Plugins
Output plugins receive
Recordobjects, including the payload (key-value map of log fields) as well as associated metadata.For now we have two output plugins:
Built-in Plugins
StdoutOutputPluginThis output plugin implements the previous behavior (stringify key-value payload output to stdout or a custom sink function)
OpenTelemetryLogsOutputPluginThis (experimental) plugin bridges to the OpenTelemetry Logs API. When a log record is written, it translates the severity levels to OTel SeverityNumber values, maps exception metadata (error.name, error.message, stack trace) to the standard OTel exception.* attributes, and emits the log via an OTel Logger (either a user-supplied LoggerProvider or the global one).
A configurable
FieldInclusionModecontrols how much of the log payload is forwarded as OTel attributes: nothing extra, only custom fields, or the full payload. For now request-type records are silently dropped. OTel traces should be used insteadCustom Plugins
For now, there is no support for custom plugins. Supporting them would require exporting internal types (for example,
Record) as part of the public API. Since these internals are subject to change, doing so could introduce breaking changes.Note
This feature is available for testing in v8.1.0-beta.0.