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.

Host Operating System Modules Controller

Available since MCC 2.28.0 (17.3.0 and 16.3.0) TechPreview

This section lists alerts for the host-os-modules-controller service, including alerts for HostOSConfiguration and HostOSConfigurationModules custom resources. For details about these resources, refer to API Reference: HostOSConfiguration and HostOSConfigurationModules.

For troubleshooting guidelines, see Troubleshoot Host Operating System Modules Controller alerts.

• Day2ManagementControllerTargetDown

• Day2ManagementDeprecatedConfigs

---

Day2ManagementControllerTargetDown

Severity	Critical
Summary	host-os-modules-controller Prometheus target is down
Description	Prometheus fails to scrape metrics from the {{ $labels.pod }} Pod of the host-os-modules-controller on the {{ $labels.node }} node.

Day2ManagementDeprecatedConfigs

Severity	Informational
Summary	Configuration with deprecated module in use
Description	Deprecated module {{ $labels.module_name }} version {{ $labels.module_version }} is used by {{ $value }} HostOSConfiguration object(s). It is deprecated by the module {{ $labels.deprecated_by_module_name }} version {{ $labels.deprecated_by_module_version }}.