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Getting Started Guide - Ruby

This is a simple application instrumented with OpenTelemetry Ruby. It demonstrates how to configure OpenTelemetry Ruby to send data to New Relic.

Requirements

Running the application

  1. Set the following environment variables to configure OpenTelemetry to send data to New Relic:

    export OTEL_SERVICE_NAME=getting-started-ruby
    export OTEL_RESOURCE_ATTRIBUTES=service.instance.id=123
    export OTEL_EXPORTER_OTLP_ENDPOINT=https://otlp.nr-data.net
    export OTEL_EXPORTER_OTLP_HEADERS=api-key=<your_license_key>
    export OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT=4095
    export OTEL_EXPORTER_OTLP_COMPRESSION=gzip
    export OTEL_EXPORTER_OTLP_PROTOCOL=http/protobuf
  2. Run the following command to install dependencies:

    bundle install
  3. Run the application with the following command and open http://localhost:8080/fibonacci?n=1 in your web browser to ensure it is working.

    bundle exec rackup
  4. Experiment with providing different values for n in the query string. Valid values are between 1 and 90. Values outside this range cause an error which will show up in New Relic.