Mirantis Container Cloud (MCC) becomes part of Mirantis OpenStack for Kubernetes (MOSK)!

Starting with MOSK 25.2, the MOSK documentation set covers all product layers, including MOSK management (formerly MCC). This means everything you need is in one place. The separate MCC documentation site will be retired, so please update your bookmarks for continued easy access to the latest content.

Horizon¶

This section lists the alerts for Horizon.

HorizonLoginFailure¶

Available since MOSK 25.2

Severity	Critical
Summary	OpenStack Horizon login probes failing
Description	Horizon login probes for user `{{ $labels.user_domain_name }}/{{ $labels.username }}` with the `{{ $labels.authentication_method }}` method have been failing for the past 5 minutes. To troubleshoot the issue, attempt to log in to Horizon directly. If the login fails, review the Horizon and Keystone service logs for errors.

Severity

Critical

Summary

OpenStack Horizon login probes failing

Description

Horizon login probes for user {{ $labels.user_domain_name }}/{{ $labels.username }} with the {{ $labels.authentication_method }} method have been failing for the past 5 minutes.

To troubleshoot the issue, attempt to log in to Horizon directly. If the login fails, review the Horizon and Keystone service logs for errors.