On Thu, Jun 28, 2018 at 12:04 PM Sandro Bonazzola <sbonazzo(a)redhat.com>
wrote:
2018-06-28 15:42 GMT+02:00 Nir Soffer <nsoffer(a)redhat.com>:
> I want to share the current state of oVirt on Fedora 28, hopefully it will
> save time for other developers.
>
Thanks for the summary!
+1
>
>
> 1. Why should I run oVirt on Fedora 28?
>
> - Fedora is the the base for future CentOS. The bugs we find *today* on
> Fedora 28
> are the bugs that we will not have next year when we try oVirt on CentOS.
>
> - I want to contribute to projects that require python 3. For example,
> virt-v2v
> require python 3.6 in upstream. If you want to contribute you need to
> test
> it on Fedora 28.
>
> - I need to develop with latest libvirt and qemu. One example is
> incremental
> backup, you will need Fefora 28 to work on this.
>
> - CentOS is old and boring, I want to play with the newest bugs :-)
>
>
> 2. How to install oVirt with Fedora 28 hosts
>
> Warning: ugly hacks bellow!
>
> - Install ovirt-release-master.rpm on all hosts
>
> dnf install
>
http://resources.ovirt.org/pub/yum-repo/ovirt-release-master.rpm
>
> - Install or build engine on CentOS 7.5 (1804)[1]
>
Why have only half the fun? Engine works on fc28.
> - When provisioning a host, make sure you have lvm2-2.02.177-5.fc28
> without it, no block storage you[2]
>
This has been pushed to stable 3 days ago, so just "dnf update --refresh"
should be enough to consume it
>
> - When adding a host, disable "Configure host firewall" - it does not
> work now
> I hope that Sandro team will fix this issue soon.
>
Tracked here
https://bugzilla.redhat.com/show_bug.cgi?id=1381135
>
> - Adding a host will fail, because without firewall setup, port 54321 is
> not reacable.
> to fix this, configure the firewall manually, or disable it
>
> iptables -F
>
> This is pretty lame because you have to apply it again after restart, but
> it was
> good enough for now.
>
> - Because the host was not reachable, we don't configure the host network
> so the host will be non-operational.
> To fix this, open host > network > setup networks and assign ovirtmgmt
> to the host management nic. The host will become UP after that.
> I hope that Dan team will fix it soon.
>
> - Adding storage will fail because sanlock selinux issue[3]
> To fix, set selinux to permissive mode:
>
> setenforce 0
>
Please add a custom rule to selinux instead of disabling it while waiting
for a fix, so you can catch more selinux issues masked by this.
> At this point you should have a working setup.
>
>
> 3. Building and instaling vdsm from source on Fedora 28
>
> - Install build dependencies using
>
> dnf install `cat automation/check-patch.packages.fc28`
>
> - Clean the source (needed if you rerun ./autogen.sh with different
> options)
>
> git clean -dxf
>
> - Configure vdsm with hooks - for some reason 2 hooks are required
> on Fedora but not on EL.
>
> ./autogen.sh --system --enable-hooks
>
> - Build
>
> make
> make rpm
>
> - Install the packages at /home/user/rpmbuild/RPMS/{noarch,x86_64}
>
> - if vdsm was never installed, you need to configure and enable it
>
> vdsm-tool configure --force
> systemctl enable vdsmd
> systemctl start vdsmd
>
> At this point you can test the new bugs you added to vdsm :-)
>
>
> [1] I did not try to install engine on Fedora 28. I guess engine folks can
> share if there are issues with this.
>
> [2]
https://bugzilla.redhat.com/1575762
> LVM team fixed the issue couple of hours after I asked about it in #lvm
> We had a build for testing couple of days later.
>
> [3]
https://bugzilla.redhat.com/1593853
> We are still waiting for selinux folks response.
>
> Happy hacking!
>
> Nir
>
>
--
SANDRO BONAZZOLA
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
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