Section in the cheat sheet about user cluster deletion #13089
sschmittsva
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Hi!
I've drafted a section for the cheat sheet on user cluster deletion. Feel free to use:
Title: Deleting a User Cluster in Kubermatic: Various Methods and Troubleshooting
Overview:
Deleting a user cluster in Kubermatic can be accomplished through different methods, each suited for specific scenarios. This knowledge base entry outlines three primary ways to delete a user cluster: using the User Interface (UI), the Application Programming Interface (API), and the Kubernetes command-line tool (kubectl).
Methods:
UI Deletion:
API Deletion:
kubectl Deletion:
Troubleshooting:
Deleting a cluster might encounter issues if the finalizers cannot complete their tasks. One common cause is expired application credentials. In such cases:
Identify the Issue:
Edit Cluster Configuration:
kubectl edit cluster
command to modify the cluster's configuration.Remove Specific Finalizers:
kubermatic.k8c.io/cleanup-openstack-network-v2
kubermatic.k8c.io/cleanup-openstack-router-subnet-link-v2
kubermatic.k8c.io/cleanup-openstack-router-v2
kubermatic.k8c.io/cleanup-openstack-security-group
kubermatic.k8c.io/cleanup-openstack-subnet-v2
kubermatic.k8c.io/delete-nodes
Manual Cleanup in OpenStack:
Conclusion:
Understanding the various ways to delete a user cluster in Kubermatic and troubleshooting common issues ensures a smooth and efficient cluster management process. Always exercise caution and follow best practices when performing deletions to avoid any unintended consequences.
Cheers,
Sebastian
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