Recent versions of livemedia-creator use qemu directly instead of libvirt, and I think I saw a problem there also, but didn't get to fix it just yet.
You can use virt-builder to install a centos vm, or use an el7-based mock environment. You can follow the jenkins job here [1], basically you need to do is:

1. clone ovirt-node-ng (you already did)

2. clone jenkins

3. cd ovirt-node-ng
4. ../jenkins/mock_configs/mock_runner.sh --build-only --mock-confs-dir ../jenkins/mock_configs/ --shell 'el7.*x86_64'

This will create a chroot environment in the same way we do in our CI, in that chroot shell, do `cd ~` and then autogen, and make squashfs....

[1] http://jenkins.ovirt.org/job/ovirt-node-ng_ovirt-4.1_build-artifacts-el7-x86_64/403/consoleFull

On Thu, Jan 11, 2018 at 3:32 PM, Ryan Barry <rbarry@redhat.com> wrote:

I haven't tried to build on EL for a long time, but the easiest way to modify may simply be to unpack the squashfs, chroot inside of it, and repack it. Have you tried this?

On Wed, Dec 27, 2017 at 11:33 AM, Giuseppe Ragusa <giuseppe.ragusa@hotmail.com> wrote:
Hi all,

I'm trying to modify the oVirt NGN image (to add RPMs, since imgbased rpmpersistence currently seems to have a bug: https://bugzilla.redhat.com/show_bug.cgi?id=1528468 ) but I'm unfortunately stuck at the very beginning: it seems that I'm unable to recreate even the standard 4.1 squashfs image.

I'm following the instructions at https://gerrit.ovirt.org/gitweb?p=ovirt-node-ng.git;a=blob;f=README

I'm working inside a CentOS7 fully-updated vm (hosted inside VMware, with nested virtualization enabled).

I'm trying to work on the 4.1 branch, so I issued a:

./autogen.sh --with-ovirt-release-rpm-url=http://resources.ovirt.org/pub/yum-repo/ovirt-release41.rpm

And after that I'm stuck in the "make squashfs" step: it never ends (keeps printing dots forever with no errors/warnings in log messages nor any apparent activity on the virtual disk image).

Invoking it in debug mode and connecting to the VNC console shows the detailed Plymouth startup listing stuck (latest messages displayed: "Starting udev Wait for Complete Device Initialization..." and "Starting Device-Mapper Multipath Device Controller...")

I wonder if it's actually supposed to be run only from a recent Fedora (the "dnf" reference seems a good indicator): if so, which version?

I kindly ask for advice: has anyone succeeded in modifying/reproducing NGN squash images recently? If so, how? :-)

Many thanks in advance,

Giuseppe
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