Add kops reconcile cluster command
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Kubernetes 1.31 now stops nodes joining a cluster if the minor version of the node is greater than the minor version of the control plane. The addition of the instance-group-roles flag to update means that we can now update / rolling-update the control plane first. However, we must now issue four commands: * Update control plane * Rolling update control plane * Update nodes * Rolling update nodes This adds a flag to automate this process. It is implemented by executing those 4 steps in sequence. Update is also smart enough to not update the nodes if this would violate the skew policy, but we do this explicitly in the reconcile command to be clearer and safer.
This all-in-one command is a replacement for having to run multiple commands, while still respecting the version skew policy. It does the same thing as `kops update cluster --reconcile`: * Updates the control plane nodes * Does a rolling update of the control plane nodes * Updates "normal" nodes and bastion nodes * Does a rolling update of these nodes * Prunes old resources that are no longer used
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: hakman The full list of commands accepted by this bot can be found here. The pull request process is described here
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kops reconcile clustercommand