Chapter 6. Troubleshooting the Red Hat build of OpenTelemetry

Procedure

1. Set the relevant log level in the OpenTelemetryCollector custom resource (CR):

     config: |
       service:
         telemetry:
           logs:
             level: debug 

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   Collector’s log level. Supported values include info, warn, error, or debug. Defaults to info.

2. Use the oc logs command or the web console to retrieve the logs.

Procedure

1. Enable the telemetry service by adding the following lines in the OpenTelemetryCollector custom resource:

     config: |
       service:
         telemetry:
           metrics:
             address: ":8888" 

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   The address at which the internal collector metrics are exposed. Defaults to :8888.

1. Retrieve the metrics by running the following command, which uses the port-forwarding Collector pod:

   $ oc port-forward <collector_pod>

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2. Access the metrics endpoint at http://localhost:8888/metrics.

Procedure

1. Configure the OpenTelemetryCollector custom resource as follows:

     config: |
       exporters:
         debug:
           verbosity: detailed
       service:
         pipelines:
           traces:
             exporters: [debug]
           metrics:
             exporters: [debug]
           logs:
             exporters: [debug]

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2. Use the oc logs command or the web console to export the logs to the standard output.