BlackboxConfigurationReloadFailure

BlackboxConfigurationReloadFailure #

Blackbox configuration reload failure

Alert Rule
alert: BlackboxConfigurationReloadFailure
annotations:
  description: |-
    Blackbox configuration reload failure
      VALUE = {{ $value }}
      LABELS = {{ $labels }}    
  runbook: https://srerun.github.io/prometheus-alerts/runbooks/blackbox-exporter/blackboxconfigurationreloadfailure/
  summary: Blackbox configuration reload failure (instance {{ $labels.instance }})
expr: blackbox_exporter_config_last_reload_successful != 1
for: 0m
labels:
  severity: warning

Here is a sample runbook for the Prometheus alert rule BlackboxConfigurationReloadFailure:

Meaning #

The BlackboxConfigurationReloadFailure alert is triggered when the Blackbox Exporter is unable to successfully reload its configuration. This alert indicates that there is an issue with the configuration file or the reload process, which may impact the functioning of the Blackbox Exporter and the monitoring of the system.

Impact #

The impact of this alert is that the Blackbox Exporter may not be able to function correctly, leading to:

  • Incomplete or inaccurate monitoring data
  • Failure to detect issues or changes in the system
  • Inability to execute probes or checks
  • Potential impact on downstream systems or services that rely on the monitoring data

Diagnosis #

To diagnose the issue, follow these steps:

  1. Check the Blackbox Exporter logs for errors related to configuration reload.
  2. Verify that the configuration file is valid and correctly formatted.
  3. Check the file system permissions and ownership to ensure that the Blackbox Exporter has access to the configuration file.
  4. Review recent changes to the configuration file or the Blackbox Exporter deployment to identify potential causes of the issue.

Mitigation #

To mitigate the issue, follow these steps:

  1. Verify and correct any errors in the configuration file.
  2. Restart the Blackbox Exporter service to attempt a reload of the configuration.
  3. If the issue persists, review the Blackbox Exporter deployment and configuration to ensure that it is correctly set up.
  4. Consider filing an issue or seeking support from the Blackbox Exporter maintainers or community if the issue cannot be resolved through troubleshooting.

Note: This is a sample runbook and may need to be customized to fit your specific environment and requirements.

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