Flush deadlines and forwarder metadata #258
Draft
+288
−145
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Flush deadline
Add a deadline to the flush requests initiated by external users like the lambda-extension and future lambda-forwarder. This allows the flusher to specify a maximum time to wait for all messages to be flushed from the pipeline. The default is still to wait for a configured time based on the exporter.
Add metadata to logs_rx
Update the logs_rx channel, used by the lambda-exporter and lambda-forwarder to publish logs, to include Metadata by switching to the Message type.
Forwarder metadata
Expands the payload metadata support to include a new ForwarderMetadata. This will be used by the lambda-forwarder to ensure that each message is exported before reporting success back to the lambda API. It will only track a single request at a time, so it only tracks a request id.