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

[Alon Bar-Lev]

Hello Again,

I tend to keep state as-is, require tar at host machine.

Whoever installs Fedora minimal should install tar manually.

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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