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Overview

Administrators monitor the health and status of all Kubernetes clusters across all projects from a single view. This includes tracking cluster lifecycle states, node health, control plane availability, and identifying clusters that require attention — stuck in a non-terminal state, unhealthy, or consuming unexpected resources.

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Admin Cluster Overview

Navigate to Admin → Containers → Clusters to view all clusters across all projects.
ColumnDescription
NameCluster identifier
StatusLifecycle state: CREATE_COMPLETE, UPDATE_IN_PROGRESS, CREATE_FAILED, etc.
Health StatusKubernetes-level health: HEALTHY, UNHEALTHY, UNKNOWN
Master CountNumber of control plane nodes
Node CountNumber of worker nodes
ProjectOwning project
CreatedProvisioning timestamp
Filter by Status to quickly identify clusters in non-terminal states that require operator attention (e.g., CREATE_IN_PROGRESS for more than 30 minutes).

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Cluster Health States

StatusMeaningOperator Action
CREATE_COMPLETECluster deployed and healthyNone required
UPDATE_COMPLETELast update succeededNone required
CREATE_IN_PROGRESSProvisioning in progressMonitor; investigate if >30 min
UPDATE_IN_PROGRESSUpdate (scale/upgrade) in progressMonitor
CREATE_FAILEDProvisioning failedInvestigate status_reason, assist user
UPDATE_FAILEDScale or upgrade failedInvestigate and assist user
DELETE_IN_PROGRESSCluster being deletedMonitor
DELETE_FAILEDDeletion failedManual stack cleanup required

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Check Control Plane Availability

For high-availability clusters (3 master nodes), verify the control plane load balancer and all master nodes are healthy:
Show cluster API address
openstack coe cluster show <cluster-name> \
  -f value -c api_address
Test API server availability
curl -sk https://<api-address>:6443/healthz
Expected: ok

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Identify Unhealthy Clusters

Navigate to Admin → Containers → Clusters and sort by Health Status. Clusters with UNHEALTHY or UNKNOWN health status should be investigated and the project owner notified.

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Audit Inactive Clusters

Identify clusters that may have been abandoned by project teams to reclaim compute resources:
List all clusters with creation date
openstack coe cluster list --all \
  -f table -c name -c project_id -c created_at -c status
Contact the project owner for clusters that have been in CREATE_COMPLETE status for an extended period without recent activity, and confirm whether they are still needed.

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Next Steps

Quotas

Manage per-project cluster limits to prevent resource exhaustion.

Troubleshooting

Diagnose failed clusters and stuck lifecycle states.

Security

Audit cluster security groups and RBAC configuration.

Certificates

Monitor and rotate cluster certificate authorities.