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

[Michal Skrivanek]

On Jul 30, 2013, at 15:12 , Alon Bar-Lev <alonbl at redhat.com> wrote:

> 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.

How about filing bug on that? This is such a basic utility I can't imagine anyone removing it.

> 
> 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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