184 lines
5.3 KiB
RPMSpec
184 lines
5.3 KiB
RPMSpec
#
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# spec file for package kernel-obs-build
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#
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# Copyright (c) 2024 SUSE LLC
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#
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# All modifications and additions to the file contributed by third parties
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# remain the property of their copyright owners, unless otherwise agreed
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# upon. The license for this file, and modifications and additions to the
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# file, is the same license as for the pristine package itself (unless the
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# license for the pristine package is not an Open Source License, in which
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# case the license is the MIT License). An "Open Source License" is a
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# license that conforms to the Open Source Definition (Version 1.9)
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# published by the Open Source Initiative.
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# Please submit bugfixes or comments via https://bugs.opensuse.org/
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#
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# needsrootforbuild
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#!BuildIgnore: post-build-checks
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%define patchversion 6.4.0
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%define variant %{nil}
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%include %_sourcedir/kernel-spec-macros
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Name: kernel-obs-build
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BuildRequires: coreutils
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BuildRequires: device-mapper
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BuildRequires: util-linux
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%if 0%{?suse_version}
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%if "%{nil}"
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%define kernel_flavor %{nil}
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%else
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%ifarch %ix86
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%define kernel_flavor -pae
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%else
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%ifarch armv7l armv7hl
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%define kernel_flavor -lpae
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%else
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%define kernel_flavor -default
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%endif
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%endif
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%endif
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%endif
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BuildRequires: kernel%kernel_flavor-srchash-b599b6792b5e73264ffa33bdae47b19dc43f9401
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%if 0%{?rhel_version}
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BuildRequires: kernel
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%define kernel_flavor ""
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%endif
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%if ! 0%{?is_kotd} || %{?is_kotd_qa}%{!?is_kotd_qa:0}
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ExclusiveArch: aarch64 ppc64le s390x x86_64
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%else
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ExclusiveArch: do_not_build
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%endif
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BuildRequires: dracut
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Summary: package kernel and initrd for OBS VM builds
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License: GPL-2.0-only
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Group: SLES
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Version: 6.4.0
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%if 0%{?is_kotd}
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Release: <RELEASE>.gb599b67
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%else
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Release: 0
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%endif
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%if 0%{?suse_version} > 1550 || 0%{?sle_version} > 150200
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BuildRequires: zstd
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%endif
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%description
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This package is repackaging already compiled kernels to make them usable
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inside of Open Build Service (OBS) VM builds. An initrd with some basic
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kernel modules is generated as well, but further kernel modules can be
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loaded during build when installing the kernel package.
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%prep
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%build
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# set 'date of last password change' to a static value (bsc#1189305)
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sed -i 's/^\(root:\*:\)[1-9][0-9]*\(::::::\)/\142\2/' /etc/shadow
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mkdir -p /usr/lib/dracut/modules.d/80obs
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cat > /usr/lib/dracut/modules.d/80obs/module-setup.sh <<EOF
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#!/bin/bash
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# called by dracut
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check() {
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return 0
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}
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# called by dracut
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installkernel() {
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hostonly='' instmods obs
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}
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# called by dracut
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install() {
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inst_hook pre-udev 10 "\$moddir"/setup_obs.sh
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}
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EOF
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chmod a+rx /usr/lib/dracut/modules.d/80obs/module-setup.sh
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cat > /usr/lib/dracut/modules.d/80obs/setup_obs.sh <<EOF
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#!/bin/sh
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info "Loading kernel modules for OBS"
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info " Loop..."
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modprobe -q loop max_loop=64
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info " binfmt misc..."
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modprobe -q binfmt_misc
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EOF
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chmod a+rx /usr/lib/dracut/modules.d/80obs/setup_obs.sh
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# Configure systemd in kernel-obs-build's initrd not to limit TasksMax,
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# we run with build as PID 1 (boo#965564)
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echo "DefaultTasksMax=infinity" >> /etc/systemd/system.conf
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echo "DefaultTasksAccounting=no" >> /etc/systemd/system.conf
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echo 127.0.0.1 localhost > /etc/hosts # omit build-machine host name (boo#1084909)
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# a longer list to have them also available for qemu cross builds where x86_64 kernel runs in eg. arm env.
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# this list of modules where available on build workers of build.opensuse.org, so we stay compatible.
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export KERNEL_MODULES="loop dm-crypt essiv dm-mod dm-snapshot binfmt-misc fuse kqemu squashfs ext2 ext3 ext4 reiserfs btrfs xfs nf_conntrack_ipv6 binfmt_misc virtio_pci virtio_mmio virtio_blk virtio_rng fat vfat nls_cp437 nls_iso8859-1 ibmvscsi sd_mod e1000 ibmveth overlay 9p 9pnet_virtio qemu_fw_cfg"
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# manually load all modules to make sure they're available
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for i in $KERNEL_MODULES; do
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(
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echo "info ' $i'"
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echo "modprobe -q $i"
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) >> /usr/lib/dracut/modules.d/80obs/setup_obs.sh
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done
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ROOT=""
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[ -e "/dev/vda" ] && ROOT="-d /dev/vda"
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[ -e /dev/hda1 ] && ROOT="-d /dev/hda1" # for xen builds
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%define kernel_name vmlinu?
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%ifarch s390 s390x
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%define kernel_name image
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%endif
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%ifarch %arm
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%define kernel_name zImage
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%endif
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%ifarch aarch64 riscv64
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%define kernel_name Image
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%endif
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# --host-only mode is needed for unlimited TasksMax workaround (boo#965564)
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dracut --reproducible --host-only --no-hostonly-cmdline \
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--no-early-microcode --nofscks --strip --hardlink \
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--drivers="$KERNEL_MODULES" --force /tmp/initrd.kvm \
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%if 0%{?suse_version} > 1550 || 0%{?sle_version} > 150200
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--compress "zstd -19 -T0" \
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%endif
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$(echo /boot/%{kernel_name}-*%{kernel_flavor} | sed -n -e 's,[^-]*-\(.*'%{kernel_flavor}'\),\1,p')
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#cleanup
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rm -rf /usr/lib/dracut/modules.d/80obs
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%install
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install -d -m 0755 %{buildroot}
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cp -v /boot/%{kernel_name}-*%{kernel_flavor} %{buildroot}/.build.kernel.kvm
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cp -v /tmp/initrd.kvm %{buildroot}/.build.initrd.kvm
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# inform worker kernel parameters to invoke
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CMDLINE="elevator=noop nmi_watchdog=0 rw ia32_emulation=1"
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echo "$CMDLINE" > %{buildroot}/.build.cmdline.kvm
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# inform worker about availability of virtio-serial
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touch %{buildroot}/.build.console.kvm
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if grep -qx CONFIG_VIRTIO_CONSOLE=y /boot/config-*%{kernel_flavor} ; then
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echo "virtio" > %{buildroot}/.build.console.kvm
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fi
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#inform worker about arch
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#see obs-build commit e47399d738e51
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uname -m > %{buildroot}/.build.hostarch.kvm
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%files
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/.build.cmdline.*
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/.build.console.*
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/.build.hostarch.*
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/.build.initrd.*
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/.build.kernel.*
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%changelog
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