Re: Estimate the size of iso file based on a kickstart file

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On 9/19/19 8:25 AM, Nico Kadel-Garcia wrote:
> On Thu, Sep 19, 2019 at 8:11 AM Kalpa Welivitigoda <callkalpa@xxxxxxxxx> wrote:
>> Hi all,
>>
>> Given a kickstart file (flatten) and we intend to make an iso using
>> it, is there a tool or service by which we can estimate the size of
>> the final iso (based on the packages defined in the kickstart file)
>> before actually creating the iso?
> Since a kickstart file can refer to RPM's stored on the ISO file, or
> on a separate website, and those RPM's are the majority of the bulk of
> an installation DVD, it's not clear you can gracefully do this. A
> single RPM file can drag in a *lot* of dependencies that may change
> based on upstream updates. Why try to guess rather than simply running
> the tool, which will be pretty fast if you work from a local yum
> mirror?


Doesn't anaconda do a test to see if the install will fit?  I vaguely
recall (or imagine, with age it seems there's little difference
sometimes) seeing such a message.  If so, that would handle all the
dependency recursion and from there a statistical factor for the
expected compression should get a reasonably close estimate, no?

-- 
John Florian
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