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Developing Guide

Build Collector

builder --config=ocb.yaml

if you are not in a dev container and want to debug, you may need to run this command to rebuild with full paths

go build -C ./dist -o otelcol-custom "-gcflags=all=-N -l" -ldflags=

Run Collector

The Collector uses a HONEYCOMB_API_KEY environment variable to send data to Honeycomb. Make sure you have one exported in your shell before running these commands.

./dist/otelcol-custom --config=config.yaml

or debug mode

dlv --listen=:2345 --headless=true --api-version=2 --accept-multiclient --log exec ./dist/otelcol-custom -- --config=config.yaml

If dlv is running, can attach to it with vscode debugger and hit breakpoints if ocb.yaml has debug mode enabled.

Note: ctrl + c does not stop dlv. To stop dlv run the following command in a separate terminal

killall dlv

Send a single span using otel-cli

Use this to send a single span with a host.name attribute using otel-cli (requires otel-cli to be installed)

otel-cli span --endpoint localhost:4317 --service "test" --name "Test Span" --attrs "host.name=$(hostname)" --tp-print