Troubleshooting your OpenTelemetry Demo installation

There are various things that could go wrong while using this application, so this section is not necessarily exhaustive. We will assume that all the prerequisite tools were installed correctly.

Let’s first take a look at the correct formatting of Grafana credentials.

Checking Grafana credentials

If the OpenTelemetry Collector is giving authentication errors, or you are not receiving data from it, it is likely that the credentials are not formatted correctly. These details are entered into the OTEL-Creds.yaml file from this book’s Git repository.

The Grafana credentials should be formed like this:

• Username: Number, typically six digits.
• Password: API token, which is a long string of letters and numbers. When troubleshooting the token there are some important considerations:
  • The same token can be shared by all the exporters.
  • The Access policy associated with the API token needs to be able to write...