On Tue, Nov 20, 2012 at 12:52:30PM -0500, Przemek Klosowski wrote:
Interpreters do not preclude simple data: they just scale better,
from simple linear declarative data to complex, Turing-cranking
swamp. The only argument against it is runtime overhead, which isn't
a problem in many, if not most, cases.
It's NOT the only argument against it. Having Turing-complete
configuration files makes it impossible to have other programs parse
and understand the configuration. Programs including:
- OpenSCAP, or any other security scanner
- libvirt (hello, old Xen's python config files)
- multiple libguestfs tools like virt-sysprep
- Augeas and all the tools that use it
Rich.
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