[libvirt-users] libvirt-lxc: good for production?

Spike spike at drba.org
Mon Apr 3 17:16:01 UTC 2017

thank you Michal, appreciate your input, I'll invest some more time and set
up a full test system mirroring our prod and see how it works out. I'm
gonna start another thread on images/templates because that's another area
where I've found a lack of information and could do with some input. thanks.


On Mon, Apr 3, 2017 at 2:11 AM Michal Privoznik <mprivozn at redhat.com> wrote:

> On 04/03/2017 04:02 AM, Spike wrote:
> > Dear all,
> >
> > I'm a happy lxc (lxd) user with a need to add a bunch of KVM images to
> the
> > mix. More importantly I need to have some simple frontend to give users
> the
> > ability to quickly run some VMs for testing.
> >
> > Researching the topic brought me to virt-manager and from there libvirt.
> > I've had however a hard time to answer a few questions that I hope this
> > list can help me with:
> >
> > 1) is the libvirt-lxc driver actively developed? there's been a lot of
> > upgrades to lxc and there seems to be relatively little activity on the
> lxc
> > driver
> Yes it is. I don't know what are the features that lxc-tools introduced
> and looking into their news files it seems like they are mostly fixing
> bugs rather than introducing new functionality. Moreover, lxc-tools come
> with some infrastructure (e.g. prepared images for containers). Libvirt
> doesn't have those.
> > 2) is libvirt-lxc to be used in production to begin with? every single
> > guide I found about libvirt pretty much points to KVM usage, with simple
> > /bin/sh examples with lxc.  Furthermore stuff like virt-install seems to
> be
> > exclusively catered to full os/KVM images creation, with no obvious way
> to
> > create a container image.
> That's because KVM (well, qemu) is our most intense developed driver.
> But LXC gets some attention too. I think it is production ready and if
> you give it some testing you'll find the same.
> Michal
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