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  1. Red Hat Advanced Cluster Management
  2. ACM-8881

Ability to obtain the core count of only worker nodes (excluding nodes with infra / master role) of managed clusters in ACM

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      Customer is looking for a way to find the core count of all nodes with just the worker role on it, for managed clusters in ACM.

      They tried the ACM API "/apis/cluster.open-cluster-management.io/v1/managedclusters" which returns the core_worker count. However this count is of all nodes having the `node-role.kubernetes.io/worker` label, including those having infra label as well (Infra + Worker nodes).

      They are looking for a way in ACM that would return the core count of only worker nodes (excluding nodes with 'node-role.kubernetes.io/infra' label).

      This information is required to determine the core usage of only worker nodes for calculating OpenShift licences as customers are not charged for any nodes with Infra label / Master nodes.

      For connected clusters, this calculation is already done by OCM tool, however in case of disconnected clusters or for cluster which have telemetry disabled and cannot connect to 'api.openshift.com', one needs to manually count cores of just worker nodes and enter the number on the OCM portal. Customer is looking for an automated process that will give them the count rather than manually work out the correct number for each cluster.

            leyan@redhat.com Le Yang
            rhn-support-ribanerj Riya Banerjee
            Hui Chen Hui Chen
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              Created:
              Updated: