Send OTLP trace via curl

Smoke-test the OTLP HTTP receiver with a sample payload. note: 4318 path, not 4317.

curl -s -XPOST http://collector:4318/v1/traces -H 'Content-Type: application/json' -d @trace.json -w '%{http_code}'
tool
opentelemetry3 commands
tags
opentelemetryotelapidebug

More opentelemetry commands

  • Validate collector config
    otelcol validate --config=/etc/otelcol/config.yaml

    Statically check collector pipeline before reload. catches bad receivers/processors/exporters.

  • Configure OTLP exporter via env
    export OTEL_EXPORTER_OTLP_ENDPOINT=http://collector:4317 OTEL_RESOURCE_ATTRIBUTES=service.name=api,deployment.environment=prod

    Auto-instrumentation endpoint and resource attrs without code change. 4317=gRPC, 4318=HTTP.

all 3 opentelemetry commands