We have a static inventory where hosts are grouped by location and purpose. I was wondering if there was a way to limit a playbook run to hosts based on cached facts as a criteria (like only run on rhel 7 hosts, or only run on virtual hosts, etc). I know I can put the tasks in a block with a "when" clause to have it only run on hosts that match the criteria, but it still has to iterate through every host to decide which to include (which isn't efficient with a large inventory where only 10% of the hosts might match the criteria). Any suggestions?
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