OPNsenseExporterEndpointErrors #

OPNsense exporter encountered errors fetching data from endpoint {{ $labels.endpoint }}

alert: OPNsenseExporterEndpointErrors
annotations:
  description: |-
    OPNsense exporter encountered errors fetching data from endpoint {{ $labels.endpoint }}
      VALUE = {{ $value }}
      LABELS = {{ $labels }}    
  runbook: https://srerun.github.io/prometheus-alerts/runbooks/opnsense/opnsenseexporterendpointerrors/
  summary: OPNsense exporter endpoint errors (instance {{ $labels.opnsense_instance
    }})
expr: increase(opnsense_exporter_endpoint_errors_total[5m]) > 0
for: 5m
labels:
  severity: warning

Meaning #

The OPNsenseExporterEndpointErrors alert is triggered when the OPNsense exporter encounters errors while fetching data from a specific endpoint. The alert is raised when the total number of errors increases over a 5-minute period. This indicates a potential issue with the OPNsense exporter or the endpoint it is trying to fetch data from.

Impact #

The impact of this alert can be significant, as it may indicate that the OPNsense exporter is unable to collect data from the affected endpoint, leading to gaps in monitoring and potentially impacting the ability to detect issues with the OPNsense system. This can result in delayed or incomplete troubleshooting, and may also affect the overall reliability and performance of the system.

Diagnosis #

To diagnose the issue, the following steps can be taken:

1. Check the OPNsense exporter logs: Review the logs to identify the specific error messages related to the endpoint.
2. Verify endpoint configuration: Confirm that the endpoint is correctly configured and accessible.
3. Check network connectivity: Ensure that the network connection between the OPNsense exporter and the endpoint is stable and functioning correctly.
4. Restart the OPNsense exporter: Attempt to restart the OPNsense exporter to see if the issue is resolved.

Mitigation #

To mitigate the issue, the following steps can be taken:

1. Verify and update endpoint configuration: Ensure that the endpoint configuration is correct and up-to-date.
2. Implement retry mechanism: Configure the OPNsense exporter to retry fetching data from the endpoint after a short delay.
3. Increase logging verbosity: Temporarily increase the logging verbosity of the OPNsense exporter to gather more detailed information about the error.
4. Contact OPNsense support: If the issue persists, reach out to OPNsense support for further assistance and guidance.