OpenTelemetry
An input plugin to ingest OTLP Logs, Metrics, and Traces
The OpenTelemetry plugin allows you to ingest telemetry data as per the OTLP specification, from various OpenTelemetry exporters, the OpenTelemetry Collector, or Fluent Bit's OpenTelemetry output plugin.
Key | Description | default |
|---|---|---|
listen | The address to listen on | 0.0.0.0 |
port | The port for Fluent Bit to listen on | 4318 |
tag_key | Specify the key name to overwrite a tag. If set, the tag will be overwritten by a value of the key. | |
raw_traces | Route trace data as a log message | false |
buffer_max_size | Specify the maximum buffer size in KB to receive a JSON message. | 4M |
buffer_chunk_size | This sets the chunk size for incoming incoming JSON messages. These chunks are then stored/managed in the space available by buffer_max_size. | 512K |
successful_response_code | It allows to set successful response code. 200, 201 and 204 are supported. | 201 |
Important note: Raw traces means that any data forwarded to the traces endpoint (
/v1/traces) will be packed and forwarded as a log message, and will NOT be processed by Fluent Bit. The traces endpoint by default expects a valid protobuf encoded payload, but you can set the raw_traces option in case you want to get trace telemetry data to any of Fluent Bit's supported outputs.The OpenTelemetry plugin currently supports the following telemetry data types:
Type | HTTP/JSON | HTTP/Protobuf |
|---|---|---|
Logs | Stable | Stable |
Metrics | Unimplemented | Stable |
Traces | Unimplemented | Stable |
A sample config file to get started will look something like the following:
[INPUT]
name opentelemetry
listen 127.0.0.1
port 4318
[OUTPUT]
name stdout
match *
With the above configuration, Fluent Bit will listen on port
4318 for data. You can now send telemetry data to the endpoints /v1/metrics, /v1/traces, and /v1/logs for metrics, traces, and logs respectively.A sample curl request to POST json encoded log data would be:
curl --header "Content-Type: application/json" --request POST --data '{"resourceLogs":[{"resource":{},"scopeLogs":[{"scope":{},"logRecords":[{"timeUnixNano":"1660296023390371588","body":{"stringValue":"{\"message\":\"dummy\"}"},"traceId":"","spanId":""}]}]}]}' http://0.0.0.0:4318/v1/logs
Last modified 1d ago