[Engine-devel] Things to be done to support Ubuntu hosts

Wed Nov 20 12:30:04 UTC 2013


----- Original Message -----
> From: "Alon Bar-Lev" <alonbl at redhat.com>
> To: "Antoni Segura Puimedon" <asegurap at redhat.com>
> Cc: "Zhou Zheng Sheng" <zhshzhou at linux.vnet.ibm.com>, "engine-devel" <engine-devel at ovirt.org>
> Sent: Wednesday, November 20, 2013 1:03:05 PM
> Subject: Re: [Engine-devel] Things to be done to support Ubuntu hosts
> 
> 
> 
> ----- Original Message -----
> > From: "Antoni Segura Puimedon" <asegurap at redhat.com>
> > To: "Alon Bar-Lev" <alonbl at redhat.com>
> > Cc: "Zhou Zheng Sheng" <zhshzhou at linux.vnet.ibm.com>, "engine-devel"
> > <engine-devel at ovirt.org>
> > Sent: Wednesday, November 20, 2013 1:50:46 PM
> > Subject: Re: [Engine-devel] Things to be done to support Ubuntu hosts
> > 
> > Would it make sense to leverage packagekit to abstract away the distro
> > packaging differences? http://www.packagekit.org/pk-using.html
> 
> Not really... as it is egg and chicken...
> How do I install this package on vanilla host?
True
> And... it does not support gentoo as far as I can see :)))
Yeah... I guess writing a backend for gentoo's ebuilds or for Arch's AUR
would be quite a challenge.
> 
> > 
> > ----- Original Message -----
> > > From: "Alon Bar-Lev" <alonbl at redhat.com>
> > > To: "Zhou Zheng Sheng" <zhshzhou at linux.vnet.ibm.com>
> > > Cc: "engine-devel" <engine-devel at ovirt.org>
> > > Sent: Wednesday, November 20, 2013 9:53:29 AM
> > > Subject: Re: [Engine-devel] Things to be done to support Ubuntu hosts
> > > 
> > > 
> > > 
> > > ----- Original Message -----
> > > > From: "Zhou Zheng Sheng" <zhshzhou at linux.vnet.ibm.com>
> > > > To: "Alon Bar-Lev" <alonbl at redhat.com>
> > > > Cc: "engine-devel" <engine-devel at ovirt.org>
> > > > Sent: Wednesday, November 20, 2013 3:53:17 AM
> > > > Subject: Re: Things to be done to support Ubuntu hosts
> > > > 
> > > > on 2013/11/16 02:52, Alon Bar-Lev wrote:
> > > > > 
> > > > > 
> > > > > ----- Original Message -----
> > > > >> From: "Zhou Zheng Sheng" <zhshzhou at linux.vnet.ibm.com>
> > > > >> To: "engine-devel" <engine-devel at ovirt.org>
> > > > >> Cc: "Itamar Heim" <iheim at redhat.com>, "Alon Bar-Lev"
> > > > >> <alonbl at redhat.com>
> > > > >> Sent: Thursday, November 14, 2013 8:57:19 AM
> > > > >> Subject: Things to be done to support Ubuntu hosts
> > > > >>
> > > > >> Hi,
> > > > >>
> > > > >> Recently Ubuntu support is added to VDSM, and .deb binray packages
> > > > >> can
> > > > >> be downloaded from launchpad.net PPA [1]. Most of the key features
> > > > >> such
> > > > >> as storage management and VM lifecycle work on Ubuntu. The cross
> > > > >> distribution network management patches are upstream as well. One
> > > > >> big
> > > > >> piece left is making ovirt-host-deploy support Ubuntu, so that we
> > > > >> can
> > > > >> manage Ubuntu hosts from Engine, thus close the gap on host side.
> > > > >>
> > > > >> In May 2013  I made some hacks to ovirt-host-deploy and otopi. I
> > > > >> made
> > > > >> it
> > > > >> skipped parts not supported on Ubuntu and configure the environment
> > > > >> manually, and successfully added Ubuntu host to Engine [2].
> > > > >> Unfortunately I have no plans to continue on it, but I'd like to
> > > > >> make
> > > > >> a
> > > > >> summary of the things I hacked to help anyone who wants to submit
> > > > >> patches in future. I was to add a WIKI page but I found there were
> > > > >> not
> > > > >> many items, so a mail would be enough.
> > > > >>
> > > > >> 1. Package management operations
> > > > >> Both otopi and ovirt-host-deploy query for dependency packages and
> > > > >> install them on demand. The otopi package management just supports
> > > > >> yum,
> > > > >> we need to add apt-get support. Package names are different in
> > > > >> Ubuntu,
> > > > >> so I made a list mapping the names. The list in in VDSM source
> > > > >> directory, debian/dependencyMap.txt .
> > > > > 
> > > > > Please try putting the following file on host:
> > > > > 
> > > > > /etc/ovirt-host-deploy.conf.d/10-ubuntu.conf
> > > > > ---
> > > > > ODEPLOY/offlinePackager=bool:True
> > > > > ---
> > > > > 
> > > > > This will replace the disable section of packaging in your patch.
> > > > > It will make host-deploy not to install any package and assume all is
> > > > > pre-installed.
> > > > > 
> > > > 
> > > > Great! Do we have plan to implement apt-get support in
> > > > ovirt-host-deploy?
> > > 
> > > Plans - yes.
> > > Not sure when exactly.
> > > I prefer first to handle the ovirt-engine porting to ubuntu at first
> > > opportunity.
> > > 
> > > > 
> > > > >>
> > > > >> 2. Network configuration operations
> > > > >> ovirt-host-deploy asks VDSM's configNetwork.py to create bridge
> > > > >> network.
> > > > >> Cross distribution support patches for configNetwork.py are under
> > > > >> review. ovirt-host-deploy supports Ubuntu bridge configuration as
> > > > >> long
> > > > >> as they are merged.
> > > > > 
> > > > > This is not happening any more at 3.3, so no need to change anything.
> > > > > 
> > > > > I think that in 3.3 with the above offline packaging use, you can use
> > > > > vanilla otopi/host-deploy.
> > > > > 
> > > > > Regards,
> > > > > Alon Bar-Lev
> > > > > 
> > > > >>
> > > > >> [1] https://launchpad.net/~zhshzhou/+archive/vdsm-ubuntu
> > > > >> [2] http://www.ovirt.org/images/5/57/Shanghai-VDSM-on-Ubuntu.pdf
> > > > >>
> > > > >> Here goes the detailed hack patch. The hack was base on v1.0.1, I
> > > > >> rebased it to the latest master. The rebased patch are not tested.
> > > > >> If
> > > > >> you find this email useless, it's actually a good news, which means
> > > > >> there is not a lot of work and problems ahead ;-)
> > > > >>
> > > > >> Hack patch for ovirt-host-deploy.
> > > > >>
> > > > >> From 120493a242046d19794ef3da83b32486d372aa39 Mon Sep 17 00:00:00
> > > > >> 2001
> > > > >> From: Zhou Zheng Sheng <zhshzhou at linux.vnet.ibm.com>
> > > > >> Date: Wed, 13 Nov 2013 18:02:26 +0800
> > > > >> Subject: [PATCH] Ubuntu Hacks
> > > > >>
> > > _______________________________________________
> > > Engine-devel mailing list
> > > Engine-devel at ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/engine-devel
> > > 
> > 
>