2017-12-18 13:57 GMT+01:00 Eyal Edri <ee...@redhat.com>:

>
>
> On Mon, Dec 18, 2017 at 2:53 PM, Sandro Bonazzola <sbona...@redhat.com>
> wrote:
>
>>
>>
>> 2017-12-18 12:42 GMT+01:00 Yaniv Kaul <yk...@redhat.com>:
>>
>>>
>>>
>>> On Mon, Dec 18, 2017 at 12:43 PM, Sandro Bonazzola <sbona...@redhat.com>
>>> wrote:
>>>
>>>> Hi, I'd like to discuss what's being tested by oVirt System Test.
>>>>
>>>> I'm investigating on a sanlock issue that affects hosted engine hc
>>>> suite.
>>>> I installed a CentOS minimal VM and set repositories as in
>>>> http://jenkins.ovirt.org/job/ovirt-system-tests_hc-basic-
>>>> suite-master/128/artifact/exported-artifacts/reposync-config.repo
>>>>
>>>> Upgrade from CentOS 1708 (7.4) minimal is:
>>>>
>>>> Aggiornamento:
>>>>  bind-libs-lite                                           x86_64
>>>>                           32:9.9.4-51.el7_4.1
>>>>       centos-updates-el7                                  733 k
>>>>  bind-license                                             noarch
>>>>                           32:9.9.4-51.el7_4.1
>>>>       centos-updates-el7                                   84 k
>>>>  nss                                                      x86_64
>>>>                           3.28.4-15.el7_4
>>>>       centos-updates-el7                                  849 k
>>>>  nss-softokn                                              x86_64
>>>>                           3.28.3-8.el7_4
>>>>      centos-updates-el7                                  310 k
>>>>  nss-softokn-freebl                                       x86_64
>>>>                           3.28.3-8.el7_4
>>>>      centos-updates-el7                                  214 k
>>>>  nss-sysinit                                              x86_64
>>>>                           3.28.4-15.el7_4
>>>>       centos-updates-el7                                   60 k
>>>>  nss-tools                                                x86_64
>>>>                           3.28.4-15.el7_4
>>>>       centos-updates-el7                                  501 k
>>>>  selinux-policy                                           noarch
>>>>                           3.13.1-166.el7_4.7
>>>>      centos-updates-el7                                  437 k
>>>>  selinux-policy-targeted                                  noarch
>>>>                           3.13.1-166.el7_4.7
>>>>      centos-updates-el7                                  6.5 M
>>>>  systemd                                                  x86_64
>>>>                           219-42.el7_4.4
>>>>      centos-updates-el7                                  5.2 M
>>>>  systemd-libs                                             x86_64
>>>>                           219-42.el7_4.4
>>>>      centos-updates-el7                                  376 k
>>>>  systemd-sysv                                             x86_64
>>>>                           219-42.el7_4.4
>>>>      centos-updates-el7                                   70 k
>>>>
>>>> Enabling the CentOS repos:
>>>>
>>>>  grub2                                                   x86_64
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                             29 k
>>>>      in sostituzione di grub2.x86_64 1:2.02-0.64.el7.centos
>>>>  grub2-tools                                             x86_64
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                            1.8 M
>>>>      in sostituzione di grub2-tools.x86_64 1:2.02-0.64.el7.centos
>>>>  grub2-tools-extra                                       x86_64
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                            993 k
>>>>      in sostituzione di grub2-tools.x86_64 1:2.02-0.64.el7.centos
>>>>  grub2-tools-minimal                                     x86_64
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                            170 k
>>>>      in sostituzione di grub2-tools.x86_64 1:2.02-0.64.el7.centos
>>>>  kernel                                                  x86_64
>>>>                          3.10.0-693.11.1.el7
>>>>        updates                                             43 M
>>>> Aggiornamento:
>>>>  NetworkManager                                          x86_64
>>>>                          1:1.8.0-11.el7_4
>>>>         updates                                            1.6 M
>>>>  NetworkManager-libnm                                    x86_64
>>>>                          1:1.8.0-11.el7_4
>>>>         updates                                            1.2 M
>>>>  NetworkManager-team                                     x86_64
>>>>                          1:1.8.0-11.el7_4
>>>>         updates                                            156 k
>>>>  NetworkManager-tui                                      x86_64
>>>>                          1:1.8.0-11.el7_4
>>>>         updates                                            224 k
>>>>  NetworkManager-wifi                                     x86_64
>>>>                          1:1.8.0-11.el7_4
>>>>         updates                                            184 k
>>>>  bash                                                    x86_64
>>>>                          4.2.46-29.el7_4
>>>>        updates                                            1.0 M
>>>>  bind-libs-lite                                          x86_64
>>>>                          32:9.9.4-51.el7_4.1
>>>>        centos-updates-el7                                 733 k
>>>>  bind-license                                            noarch
>>>>                          32:9.9.4-51.el7_4.1
>>>>        centos-updates-el7                                  84 k
>>>>  binutils                                                x86_64
>>>>                          2.25.1-32.base.el7_4.1
>>>>         updates                                            5.4 M
>>>>  cpio                                                    x86_64
>>>>                          2.11-25.el7_4
>>>>        updates                                            210 k
>>>>  cryptsetup-libs                                         x86_64
>>>>                          1.7.4-3.el7_4.1
>>>>        updates                                            223 k
>>>>  curl                                                    x86_64
>>>>                          7.29.0-42.el7_4.1
>>>>        updates                                            267 k
>>>>  glibc                                                   x86_64
>>>>                          2.17-196.el7_4.2
>>>>         updates                                            3.6 M
>>>>  glibc-common                                            x86_64
>>>>                          2.17-196.el7_4.2
>>>>         updates                                             11 M
>>>>  grub2-common                                            noarch
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                            726 k
>>>>  grub2-pc                                                x86_64
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                             29 k
>>>>  grub2-pc-modules                                        noarch
>>>>                          1:2.02-0.65.el7.centos.2
>>>>         updates                                            845 k
>>>>  iptables                                                x86_64
>>>>                          1.4.21-18.2.el7_4
>>>>        updates                                            428 k
>>>>  kernel-tools                                            x86_64
>>>>                          3.10.0-693.11.1.el7
>>>>        updates                                            5.1 M
>>>>  kernel-tools-libs                                       x86_64
>>>>                          3.10.0-693.11.1.el7
>>>>        updates                                            5.0 M
>>>>  kexec-tools                                             x86_64
>>>>                          2.0.14-17.2.el7
>>>>        updates                                            333 k
>>>>  kmod                                                    x86_64
>>>>                          20-15.el7_4.6
>>>>        updates                                            120 k
>>>>  kmod-libs                                               x86_64
>>>>                          20-15.el7_4.6
>>>>        updates                                             50 k
>>>>  libblkid                                                x86_64
>>>>                          2.23.2-43.el7_4.2
>>>>        updates                                            176 k
>>>>  libcurl                                                 x86_64
>>>>                          7.29.0-42.el7_4.1
>>>>        updates                                            219 k
>>>>  libgcc                                                  x86_64
>>>>                          4.8.5-16.el7_4.1
>>>>         updates                                             98 k
>>>>  libgomp                                                 x86_64
>>>>                          4.8.5-16.el7_4.1
>>>>         updates                                            154 k
>>>>  libmount                                                x86_64
>>>>                          2.23.2-43.el7_4.2
>>>>        updates                                            178 k
>>>>  libpciaccess                                            x86_64
>>>>                          0.13.4-3.1.el7_4
>>>>         updates                                             26 k
>>>>  libstdc++                                               x86_64
>>>>                          4.8.5-16.el7_4.1
>>>>         updates                                            301 k
>>>>  libuuid                                                 x86_64
>>>>                          2.23.2-43.el7_4.2
>>>>        updates                                             79 k
>>>>  ncurses                                                 x86_64
>>>>                          5.9-14.20130511.el7_4
>>>>        updates                                            304 k
>>>>  ncurses-base                                            noarch
>>>>                          5.9-14.20130511.el7_4
>>>>        updates                                             68 k
>>>>  ncurses-libs                                            x86_64
>>>>                          5.9-14.20130511.el7_4
>>>>        updates                                            316 k
>>>>  nss                                                     x86_64
>>>>                          3.28.4-15.el7_4
>>>>        centos-updates-el7                                 849 k
>>>>  nss-softokn                                             x86_64
>>>>                          3.28.3-8.el7_4
>>>>         centos-updates-el7                                 310 k
>>>>  nss-softokn-freebl                                      x86_64
>>>>                          3.28.3-8.el7_4
>>>>         centos-updates-el7                                 214 k
>>>>  nss-sysinit                                             x86_64
>>>>                          3.28.4-15.el7_4
>>>>        centos-updates-el7                                  60 k
>>>>  nss-tools                                               x86_64
>>>>                          3.28.4-15.el7_4
>>>>        centos-updates-el7                                 501 k
>>>>  openssh                                                 x86_64
>>>>                          7.4p1-13.el7_4
>>>>         updates                                            509 k
>>>>  openssh-clients                                         x86_64
>>>>                          7.4p1-13.el7_4
>>>>         updates                                            654 k
>>>>  openssh-server                                          x86_64
>>>>                          7.4p1-13.el7_4
>>>>         updates                                            458 k
>>>>  python-gobject-base                                     x86_64
>>>>                          3.22.0-1.el7_4.1
>>>>         updates                                            294 k
>>>>  python-perf                                             x86_64
>>>>                          3.10.0-693.11.1.el7
>>>>        updates                                            5.1 M
>>>>  selinux-policy                                          noarch
>>>>                          3.13.1-166.el7_4.7
>>>>         centos-updates-el7                                 437 k
>>>>  selinux-policy-targeted                                 noarch
>>>>                          3.13.1-166.el7_4.7
>>>>         centos-updates-el7                                 6.5 M
>>>>  sudo                                                    x86_64
>>>>                          1.8.19p2-11.el7_4
>>>>        updates                                            1.1 M
>>>>  systemd                                                 x86_64
>>>>                          219-42.el7_4.4
>>>>         centos-updates-el7                                 5.2 M
>>>>  systemd-libs                                            x86_64
>>>>                          219-42.el7_4.4
>>>>         centos-updates-el7                                 376 k
>>>>  systemd-sysv                                            x86_64
>>>>                          219-42.el7_4.4
>>>>         centos-updates-el7                                  70 k
>>>>  tzdata                                                  noarch
>>>>                          2017c-1.el7
>>>>        updates                                            468 k
>>>>  util-linux                                              x86_64
>>>>                          2.23.2-43.el7_4.2
>>>>        updates                                            2.0 M
>>>>  wpa_supplicant                                          x86_64
>>>>                          1:2.6-5.el7_4.1
>>>>        updates                                            1.2 M
>>>>
>>>> meaning this environement is not receiving updates to core packages
>>>> like the kernel.
>>>>
>>>> Restricting to libvirt, with the repos used in the job libvirt packages
>>>> doesn't even exists, making yum install libvirt just fail.
>>>>
>>>>
>>>> I think you already know I'm against filtering packages from the repos
>>>> even if I understand it saves a huge amount of space and download time.
>>>> I may be wrong, but I tend to not trust OST results since it's not
>>>> testing real life environments. Any chance we can improve OST to match what
>>>> users are going to have on their systems?
>>>>
>>>
>>> Specifically for the hosted-engine use case, I had the same suspicion,
>>> so I patched Lago to use '--network' in virt-sysprep and added 'update'
>>> command to ensure all hosts are fully up-to-date when deployed.
>>> It did not solve the issue.
>>>
>>> Generally:
>>> 1. Updating the images take quite some time, per run.
>>> 2. I agree every X months we should be updating the images. Every Q for
>>> example. I've already discussed this with Gal. If CentOS would have
>>> released a new baseline, that would have been more real life scenario, btw.
>>> 3. That being said, if you need a dependency, you need to depend on it,
>>> and we'll pull it. We do not ask (I think?) to 'yum update' your system
>>> before deploying oVirt.
>>>
>>
>> Actually yes, we require it. See https://ovirt.org/document
>> ation/install-guide/chap-Installing_oVirt/
>> It explicitly says to yum update before proceeding with the deployment
>> and reboot the machine if kernel has been updated.
>>
>
> Isn't that just for engine side? do we have the same requirement for
> hypervisors as well?
>

Not 100% sure but ovirt-engine in 4.2 should be performing yum update on
host upgrade and this obviously don't pull in new packages if they are
filtered out at repository level.
Adding Martin to keep me honest on this.




>
>
>>
>>
>>> 4. There were, luckily, very few o-s-t only issues thus far. It may
>>> happen, and we will run into those, but we have not so far encountered
>>> many. Some we did not bother pursue, though are clear bugs (I remember an
>>> annoying one with 'mount' command not getting back at all, etc.)
>>> Y.
>>>
>>>
>>>>
>>>> --
>>>>
>>>> SANDRO BONAZZOLA
>>>>
>>>> ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
>>>>
>>>> Red Hat EMEA <https://www.redhat.com/>
>>>> <https://red.ht/sig>
>>>> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
>>>>
>>>>
>>>> _______________________________________________
>>>> Devel mailing list
>>>> Devel@ovirt.org
>>>> http://lists.ovirt.org/mailman/listinfo/devel
>>>>
>>>
>>>
>>
>>
>> --
>>
>> SANDRO BONAZZOLA
>>
>> ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D
>>
>> Red Hat EMEA <https://www.redhat.com/>
>> <https://red.ht/sig>
>> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
>>
>>
>> _______________________________________________
>> Devel mailing list
>> Devel@ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/devel
>>
>
>
>
> --
>
> Eyal edri
>
>
> MANAGER
>
> RHV DevOps
>
> EMEA VIRTUALIZATION R&D
>
>
> Red Hat EMEA <https://www.redhat.com/>
> <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
> phone: +972-9-7692018 <+972%209-769-2018>
> irc: eedri (on #tlv #rhev-dev #rhev-integ)
>



-- 

SANDRO BONAZZOLA

ASSOCIATE MANAGER, SOFTWARE ENGINEERING, EMEA ENG VIRTUALIZATION R&D

Red Hat EMEA <https://www.redhat.com/>
<https://red.ht/sig>
TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
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