We use a wrapper resource to ensure that only one resource is created. It's
not perfect, because you need an additional resource, but it works. Here is
an example:
Multiple nodes want to ensure that the following resource is created on a
node:
file { '/tmp/at_least_one_node_exists.txt':
}
so we create a wrapper resource:
define export_file (
filename,
) {
ensure_resource('file', $filename, {})
}
and export the wrapper resource (here you need different names for all
nodes, so we use fqdn in the name):
@@export_file { "${fqdn}_one_node":
filename => '/tmp/at_least_one_node_exists.txt',
}
and also collect the wrapper resource on the destination node:
Export_file <<| |>>
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