[bug#47285] [PATCH 0/4] Update libvirt and friends.

[Pierre Langlois]

Hello Guix!

This is a patch series that updates libvirt to 7.1.0, now using the
meson build system, and then updates a few dependent packages as well.

Getting libvirt to build and then work properly was quite tedious, given
that we have to build it so that the binaries refer to /etc and /var at
runtime, while we set the prefix to the package output.  This was
relatively straight-forward with the old build system, but with meson I
ended up having to patch meson.build so that:

  - It allows for localstatedir to not be relative to the prefix. And
    prevent it from trying to create empty directories in /var during
    installation.

  - It allows installing configurations, in /gnu/...-libvirt-7.1.0/etc/,
    but still refer to the system /etc at runtime.  An alternative would
    be to not do any of the installation steps for /etc files, but doing
    that was more intrusive a change to the build system, and having
    those configurations installed could be useful examples, or referred
    to be services.

Other than that, the rest is pretty straight-forward.  I've tested this
using the libvirt service and virt-manager, making sure I could still
boot a VM.  It's all working fine for me, although my use-case is quite
simple, just the defaults:

--8<---------------cut here---------------start------------->8---
(services (cons*
            (service libvirt-service-type
              (libvirt-configuration
                (unix-sock-group "libvirt")))
            ...))
--8<---------------cut here---------------end--------------->8---

Let me know what you think and if that's good enough to apply!  The
definition is a bit more hacky than I'd like, so any ideas to improve it
would be great.

Thanks,
Pierre

Pierre Langlois (4):
  gnu: libvirt: Update to 7.1.0.
  gnu: python-libvirt: Update to 7.1.0.
  gnu: libvirt-glib: Update to 4.0.0.
  gnu: virt-manager: Update to 3.2.0.

 gnu/local.mk                                  |   2 +-
 .../libvirt-create-machine-cgroup.patch       |  48 --------
 .../libvirt-do-not-create-var-dirs.patch      |  30 +++++
 gnu/packages/virtualization.scm               | 106 ++++++++----------
 4 files changed, 76 insertions(+), 110 deletions(-)
 delete mode 100644 gnu/packages/patches/libvirt-create-machine-cgroup.patch
 create mode 100644 gnu/packages/patches/libvirt-do-not-create-var-dirs.patch

-- 
2.31.0

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