{ config, ... }: { systemd.services.ipfs = { environment = { OTEL_TRACES_EXPORTER = "otlp"; OTEL_EXPORTER_OTLP_PROTOCOL = "grpc"; OTEL_EXPORTER_OTLP_ENDPOINT = config.links.tempo-otlp-grpc.url; OTEL_TRACES_SAMPLER = "parentbased_traceidratio"; OTEL_TRACES_SAMPLER_ARG = "0.01"; }; }; }