Error: Workload cluster [] are running on older kubernetes version. Please upgrade them to the supported versions before upgrade management cluster []

Products

• VMware Telco Cloud Automation

Issue/Introduction

• When trying to upgrade a management cluster, the upgrade fails and the below error is received in Telco Cloud Automation:

fail to update cluster <CLUSTER_NAME> to v1.27.5+vmware.1, code:400, response body: {
  "errors" : [ {
    "code" : "E_FAILED_TO_UPGRADE_CLUSTER",
    "message" : "Workload cluster [] are running on older kubernetes version. Please upgrade them to the supported versions [1.26.8] before upgrade management cluster <CLUSTER_NAME>."
  } ]
}, error: %!w(<nil>)

Note: the versions listed may differ in your environment.

• Within the TCA UI, the clusters all report as being the 'supported version' noted in the error.

Environment

3.2

Cause

• If there are any workload clusters that have not been upgraded to a supported version.
• If there are any nodepools within a workload cluster that have not been upgraded to a supported version.
• A discrepancy between the workload cluster's version stored in the database and the running configuration.

Resolution

1. Re-apply the upgrade for the 'supported version' against the workload clusters under the management cluster noted in the error.
2. Retry the management cluster upgrade.

If the problem persists, capture a TCA-M support bundle that includes the DB dump as well as the noted management cluster's logs and submit a support request.