[Engine-devel] [Users] [Feedback required][host-deploy] Fedora-19 misses tar at minimal setup

[Sandro Bonazzola]

Il 06/08/2013 00:01, Alon Bar-Lev ha scritto:
> Hello Again,
>
> I tend to keep state as-is, require tar at host machine.
>
> Whoever installs Fedora minimal should install tar manually.

+1

>
> I hope Fedora people will add tar per some of the requests, as tar is important utility in *NIX environment.
>
> I do not think that the extra complexity is required.
>
> If you strongly think otherwise, then I prefer to merge the self extracting python script.
>
> Speak now, and emphasis.
>
> Regards,
> Alon Bar-Lev.
>
> ----- Original Message -----
>> From: "Alon Bar-Lev" <alonbl at redhat.com>
>> To: "users" <users at ovirt.org>, "arch" <arch at ovirt.org>, "engine-devel" <engine-devel at ovirt.org>
>> Cc: "Juan Hernandez" <jhernand at redhat.com>
>> Sent: Tuesday, July 30, 2013 4:12:03 PM
>> Subject: Re: [Engine-devel] [Users] [Feedback required][host-deploy] Fedora-19 misses tar at minimal setup
>>
>> Hello All,
>>
>> Starting the discussion again...
>>
>> I would like to receive feedback regarding how we should cope with a state
>> presented to use by Fedora.
>>
>> Fedora-19 minimal setup does not install tar utility which is required to
>> deploy files during the host-deploy process (Hosts->Add Host).
>>
>> I guess because of 2.8M in size (including translations) -- a standard
>> commonly used utility was removed.
>>
>> There are three alternatives :
>>
>> 1. Instruct users who are using minimal installations to manually install tar
>> utility just like they configure repository, dns, etc..
>>
>> Benefit: simplicity.
>> Benefit: use standard tools.
>> Benefit: lower payload to transmit.
>> Drawback: require tar at destination machine.
>>
>> 2. Do not use tar but self extracting python script, a patch is ready[1].
>>
>> Benefit: ability to deploy environment in which tar is missing.
>> Drawback: non standard tool at destination machine.
>> Drawback: complexity within our code.
>>
>> 3. Do not use tar but cpio, a patch is ready[2].
>>
>> Benefit: simplicity.
>> Benefit: use standard tools.
>> Benefit: lower payload to transmit.
>> Benefit: ability to use Fedora-19 minimal.
>> Drawback: cpio is even less common than tar, even if it exists in Fedora-19
>> it can be removed without anyone notice.
>> Drawback: most other distributions will not have cpio in their minimal
>> installation.
>>
>> [[[
>> There was 4rd alternative, using python tar module to deploy tar.
>> However, there is a bug in that module when processing last block if empty.
>> This is edge condition but happened to at least one of the users and I could
>> reproduce it.
>> ]]]
>>
>> What option do you prefer?
>>
>> Regards,
>> Alon Bar-Lev
>>
>> [1] http://gerrit.ovirt.org/#/c/17295/
>> [2] http://gerrit.ovirt.org/#/c/17396/
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-- 
Sandro Bonazzola
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