Currently there are many (> 5) Jenkins nodes (aka slaves). On each of those nodes there is a file with hosts.
Those hosts have to be available on each of nodes (> 5 files) and, unfortunately, they interfere with global configuration of those machines. A change of any of those hosts requires updating > 5 files on different machines.
I would like to add some sites to hosts at a job level.
Those hosts would be available for this job only in a sandboxed environment, so that it is easily configurable (only in one place: in job's configuration) and not available globally.
How can this be achieved?