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Klaus Aehlig authored
Add a new option to hroller to only output information about the first reboot group. Together with the option --node-tags this allows for the following work flow. First tag all nodes; then repeatedly compute the first node group, handle these nodes and remove the tags. In between these steps, other operations can be carried out on the cluster. Signed-off-by: Klaus Aehlig <aehlig@google.com> Reviewed-by: Thomas Thrainer <thomasth@google.com>
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