Lazy loading of variables from Ansible's HostVars object #2
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/usr/bin/python is not guaranteed to exist. Should use /usr/bin/env to handle virtualenvironments and python3-only installs.
This takes advantage of lazy loading host variables from inventory so that only ones that need to be loaded by the template are actually loaded AND they go through the Jinja templater when they are loaded.
Don't try to parse inventory cache files as if they were fact cache files.
If an inventory is specified, we should exclude discovered facts for hosts not in the inventory. This helps with situations in which old facts are cached but the host(s) is no longer in the inventory.
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This takes advantage of lazy loading host variables from inventory so that
only variables whose values are accessed by the template are actually loaded AND
they go through the Jinja templater when they are loaded.
Allows for correct representation of things like: