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Appendix A. KataConfig status messages

The following table displays the status messages for the KataConfig custom resource (CR) for a cluster with two worker nodes.

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Table A.1. KataConfig status messages
StatusDescription

Initial installation

When a KataConfig CR is created and starts installing kata on both workers, the following status is displayed for a few seconds. 

 conditions:
    message: Performing initial installation of kata on cluster
    reason: Installing
    status: 'True'
    type: InProgress
 kataNodes:
   nodeCount: 0
   readyNodeCount: 0
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Installing

Within a few seconds the status changes. 

 kataNodes:
   nodeCount: 2
   readyNodeCount: 0
   waitingToInstall:
   - worker-0
   - worker-1
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Installing (Worker-1 installation starting)

For a short period of time, the status changes, signifying that one node has initiated the installation of kata, while the other is in a waiting state. This is because only one node can be unavailable at any given time. The nodeCount remains at 2 because both nodes will eventually receive kata, but the readyNodeCount is currently 0 as neither of them has reached that state yet. 

 kataNodes:
   installing:
   - worker-1
   nodeCount: 2
   readyNodeCount: 0
   waitingToInstall:
   - worker-0
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Installing (Worker-1 installed, worker-0 installation started)

After some time, worker-1 will complete its installation, causing a change in the status. The readyNodeCount is updated to 1, indicating that worker-1 is now prepared to execute kata workloads. You cannot schedule or run kata workloads until the runtime class is created at the end of the installation process. 

 kataNodes:
   installed:
   - worker-1
   installing:
   - worker-0
   nodeCount: 2
   readyNodeCount: 1
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Installed

When installed, both workers are listed as installed, and the InProgress condition transitions to False without specifying a reason, indicating the successful installation of kata on the cluster. 

 conditions:
    message: ""
    reason: ""
    status: 'False'
    type: InProgress
 kataNodes:
   installed:
   - worker-0
   - worker-1
   nodeCount: 2
   readyNodeCount: 2
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Expand
StatusDescription

Initial uninstall

If kata is installed on both workers, and you delete the KataConfig to remove kata from the cluster, both workers briefly enter a waiting state for a few seconds. 

 conditions:
    message: Removing kata from cluster
    reason: Uninstalling
    status: 'True'
    type: InProgress
 kataNodes:
   nodeCount: 0
   readyNodeCount: 0
   waitingToUninstall:
   - worker-0
   - worker-1
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Uninstalling

After a few seconds, one of the workers starts uninstalling. 

 kataNodes:
   nodeCount: 0
   readyNodeCount: 0
   uninstalling:
   - worker-1
   waitingToUninstall:
   - worker-0
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Uninstalling

Worker-1 finishes and worker-0 starts uninstalling. 

 kataNodes:
   nodeCount: 0
   readyNodeCount: 0
   uninstalling:
   - worker-0
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Note

The reason field can also report the following causes:

  • Failed: This is reported if the node cannot finish its transition. The status reports True and the message is Node <node_name> Degraded: <error_message_from_the_node>.
  • BlockedByExistingKataPods: This is reported if there are pods running on a cluster that use the kata runtime while kata is being uninstalled. The status field is False and the message is Existing pods using "kata" RuntimeClass found. Please delete the pods manually for KataConfig deletion to proceed. There could also be a technical error message reported like Failed to list kata pods: <error_message> if communication with the cluster control plane fails.
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