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karmada-io / karmada

Open, Multi-Cloud, Multi-Cluster Kubernetes Orchestration
https://karmada.io
Apache License 2.0
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Add a new parameter to the karmadactl command called update #5904

Open CharlesQQ opened 1 day ago

CharlesQQ commented 1 day ago

What would you like to be added: karmadactl adds update parameter for modifying cluster resource objects

karmadactl update member-cluster1 --kubeconfig=/etc/kubernetes/kubeconfig --cluster-kubeconfig=member-kube-config/kube-001.yaml

Why is this needed: For Now, we have a large number of services deployed only in cluster A; one day, the IDC where cluster A is located failed, and all the machines were unavailable. We found a backup cluster A', hoping that A' would serve as a mirror of A. , can take over from A as soon as possible without having to modify PP in batches; Modify the cluster object of A to A', and the name remains unchanged. After the modification, you can restart the karmada controller and karmada scheduler; let new pods be created on the A' cluster as soon as possible

RainbowMango commented 1 day ago

As we talked at today's community meeting. It is not about proposing to add a sub-command to CLI. It's essentially a requirement of cluster failover.

We have to explore the ideal solutions further after you provide more details about how you deploy workloads by PropagationPolicy.