copr-devel November 2021

copr-devel@lists.fedorahosted.org

12 participants
6 discussions

Oracle Linux chroots (temporarily) available in Fedora Copr
by Pavel Raiskup 17 Jul '23

17 Jul '23

Hello, just a quick note - we enabled Oracle Linux chroots in Fedora Copr today, this is temporarily needed by OAMG/LEAPP team for their CI/CD system. Feel free to test those chroots, but please don't heavily depend on them as we don't know when we'll again drop them (preferably use epel/centos-stream chroots instead, they should provide similar build results). Pavel

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Excluding older builds of packages from Fedora when testing new ones in Copr
by Miro Hrončok 24 May '23

24 May '23

Hello Copr users and developers. When we update packages in Fedora, we regularly use Copr to test the impact of the upgrade. For me, the procedure usually goes like this: 1) create a new copr with Fedora rawhide x86_64 chroot (and added Koji repo) $ copr create $COPR --repo='http://kojipkgs.fedoraproject.org/repos/rawhide/latest/$basearch/' --chroot fedora-rawhide-x86_64 --delete-after-days 30 2) define and build the updated package in the copr $ copr add-package-distgit $COPR --name $PKG --webhook-rebuild on --commit $BRANCH --namespace forks/$(whoami) $ copr build-package $COPR --name $PKG 3) get the list of dependent packages $ repoquery -q --repo=rawhide{,-source} [--whatrequires $spkg for each subpackage] --recursive | grep src$ | pkgname 4) define and build the depended packages in the copr $ parallel copr add-package-distgit $COPR --webhook-rebuild on --commit rawhide --name -- $(repoquery from above ...) $ parallel copr build-package $COPR --nowait --background --name -- $(repoquery from above ...) 5) analyze build failures, do a "control" rebuild in another copr if needed However, this procedure has a flaw. Let's say I'm working on upgrading python-click from 7.x to 8.x. And let's say a package (even transitively) BuildRequires: python3dist(click) < 8 The way that dnf dependency resolution works, that package will be built with Rawhide's python3-click 7.x and it will be marked as successful. However, I'd like to see a failure here to be notified that such package cannot be build and will be negatively impacted by the update. Is there a way to solve this? I have couple ideas, but none of them is fully working: A) Compose my own repo with the updated package and Rawhide content without it, use that repo in the copr. Pros: - this is similar to what will happen in Koji once the package is updated Cons: - this requires tooling that I don't think exists - this requires a place to put that repo to - the repo creation could take a lot of time and would need to be repeated on-demand each time rawhide changes - Copr's Fedora chroots always include Fedora repos (maybe I can use custom-1-x86_64 chroot?) B) Create a Fedora side tag, explicitly block the package from it, use that side tag's Koji repo. Pros: - same as (A) Cons: - I don't think on-demand side tags allow users to block packages - Copr's Fedora chroots always include Fedora repos (same as (A)) - this wastes Koji's resources a bit - requires waiting for the initial Koji regen-repo C) Block (exclude) python3-click < 8 from the chroot. Pros: - no custom repos required - no resources overhead - no time overhead Cons: - There is no way exclude packages in chroot settings. Mock settings possibly allow me to do this in config_opts['dnf.conf']. - The exclude could obfuscate root.log resolution problems logs. - Packager needs to figure out what exactly to exclude (possibly need to exclude all subpackage's NEVRAs from rawhide compose (and Koji buildroot if they differ)) Is there another way? If not, I think (C) is easiest to actually implement, if the chroot settings page in copr gains an "excludes" option. -- Miro Hrončok -- Phone: +420777974800 IRC: mhroncok

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rpkg-util v3 change, moving copr builders to F35
by Pavel Raiskup 28 Jan '22

28 Jan '22

Hello, we are currently preparing Copr build system for migration to Fedora 35, including the builder workers. There's though, at least from the builder perspective, a major `rpkg-util` behavior change [1] (removal of `auto_pack` feature) that many of the Copr projects rely on. This is a bit unexpected as `auto_pack = True` has been the default in Copr for a long time, and the rpkg-util upstream intentions behind the feature were generally misunderstood (even in Copr team). That being said, some of the currently working builds on F34 would fail after the migration to F35. In order to make the migration a bit less dramatic, we plan to migrate in the following steps: 1. Document the feature drop and possible fixes/workarounds see [1], and properly announce the change in advance (here we are _now_). 2. Change the default, and turn off the `auto_pack` feature for relatively short period of time on the current F34 builders (ie autopack=False). This will happen soon in December 2021. The change will naturally trigger the build failures, but a bit earlier so users will be informed sooner ... with a _temporary_ work-around in hand => everyone can provide the file <git-root>/rpkg.conf upstream, and opt-in the old behavior with with content like: [rpkg] # temporary work-around for rpkg-util v2, auto_pack is going to be # removed soon! See: # https://docs.pagure.org/copr.copr/rpkg_util_2_vs_3.html#rpkg-util-v3 auto_pack = True 3. Migrate to Fedora 35, early in January 2022. This will make the `auto_pack = True` work-around non-working, and users will have to adapt, again, see [1]. Of course, anyone is encouraged to migrate to the new syntax **right now**, sooner the better. If done correctly, package can be built both with rpkg-util v2 and v3 [2]. Sorry for inconvenience! Any comment, idea or help is welcome! [1] https://docs.pagure.org/copr.copr/rpkg_util_2_vs_3.html#rpkg-util-v3 [2] https://pagure.io/copr/copr-hello/c/739ff9910ee8a9c76d7e97de2f6176106dc19a0… Pavel

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Outage: Upgrade of Copr servers - 2021-11-30 12:00 UTC
by Jakub Kadlčík 30 Nov '21

30 Nov '21

Hello, There will be an outage starting at: $ date --date '2021-11-30 12:00 UTC' The outage will last approximately 3 hours. The copr-backend storage (copr build results) will stay mostly online during this outage but some downtime is expected. Reason for outage: We're updating copr servers from Fedora 33 to Fedora 35 Affected Services: copr-frontend - https://copr.fedorainfracloud.org copr-backend - https://copr-be.cloud.fedoraproject.org/ Contact persons: @frostyx / @schlupov / @praiskup Ticket: https://pagure.io/fedora-infrastructure/issue/10374 Please join #fedora-admin in irc.liebra.chat or add comments to the ticket for this outage above. Jakub

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Mock/Copr default epel-8-* configuration to be changed
by Pavel Raiskup 29 Nov '21

29 Nov '21

Hello Fedora EPEL maintainers! First I don't feel comfortable announcing this, I'm not happy about the situation and so I don't want to be the lightning rod :-). But I believe that we can come to acceptable Copr/Mock solution and this needs to be discussed... so here we are. By the end of the year 2021 we have to fix our default EPEL 8 Mock configuration (mock-core-configs.rpm, /etc/mock/epel-8-*.cfg) as CentOS 8 goes EOL by then. The same thing needs to happen in Fedora Copr, with the epel-8-* chroots (side note, in Fedora Copr we use the mock-core-configs package for builds without any deployment specific modifications). I am proposing (as PR against mock upstream ATM [1]) to switch the default epel-* configuration from CentOS+EPEL to RHEL+EPEL as soon as possible (see the pull request [1]). This would bring some consequences, namely newly with epel-8* chroots, - builds will require a valid Red Hat subscription (the no-cost variant is OK as well, though [2]) - we will miss some build-time packages that Red Hat is not shipping, at least at the beginning till they are added (to RHEL CRB, or other currently unknown place). - cross-arch compilation can not be used, Red Hat subscriptions don't allow that (using QEMU and rpm --forcearch), [3] The positive thing is that the default configuration will be much closer to the official EPEL builds (because Fedora Koji EPEL builds are actually done also against RHEL). For the Fedora Copr builders, we already have the necessary Red Hat subscriptions in hand (will be deployed by the end of the year). So we will only loose the opportunity to build on emulated epel-8-armhfp permanently, and epel-8-s390x temporarily (as we already work on the native s390x support). Any thoughts? Feedback is needed here. [1] https://github.com/rpm-software-management/mock/pull/802 [2] https://rpm-software-management.github.io/mock/Feature-rhelchroots [3] https://bugzilla.redhat.com/show_bug.cgi?id=1912847 Pavel

10 19

Outage: Upgrade of Copr servers - 2021-11-11 12:00 UTC
by Silvie Chlupova 11 Nov '21

11 Nov '21

There will be an outage starting at: $ date --date '2021-11-11 12:00 UTC' The outage will last approximately 2 hours. The copr-backend storage (copr build results) will stay online during this outage. Reason for outage: We're updating copr packages to the new versions which will bring new features and bugfixes. Affected Services: copr-frontend - https://copr.fedorainfracloud.org <https://copr.fedorainfracloud.org> copr-backend - https://copr-be.cloud.fedoraproject.org/ <https://copr-be.cloud.fedoraproject.org/> Contact persons: @ <https://pagure.io/user/praiskup>frostyx <https://pagure.io/user/frostyx> / @schlupov <https://pagure.io/user/schlupov> In case of any questions, please join #fedora-buildsys channel on libera.chat or add comment to the ticket https://pagure.io/fedora-infrastructure/issue/10325 <https://pagure.io/fedora-infrastructure/issue/10245>.

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copr-devel November 2021