111 lines
3.9 KiB
RPMSpec
111 lines
3.9 KiB
RPMSpec
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#
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# spec file for package read-only-root-fs
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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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Name: read-only-root-fs
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Version: 1.0+git20240228.d85232a
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Release: 0
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Summary: Files and Scripts for a RO root fileystem
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License: GPL-2.0-or-later
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Group: System/Fhs
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URL: https://github.com/openSUSE/read-only-root-fs
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Source: read-only-root-fs-%{version}.tar.xz
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Source1: README.packaging.txt
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BuildRequires: dracut
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BuildRequires: update-bootloader-rpm-macros
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Requires: dracut
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Requires(post): /usr/bin/mkdir /usr/bin/cat /usr/bin/sed
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Requires(post): gawk
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Requires(post): snapper
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# Required if system with new /etc/fstab entries is supposed to be updated
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Conflicts: transactional-update < 2.15
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BuildArch: noarch
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%{update_bootloader_requires}
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%description
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Files, scripts and directories to run the system with a
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read-only root filesystem with %{_sysconfdir} writeable via overlayfs.
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This package should never be installed in an already running
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system! It should only be selected by a system role for a
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read-only root filesystem with transactional updates.
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The package will create / modify entries for mounting /etc and /var.
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Those entries are used by dracut to mount the overlay file systems
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during the early boot phase.
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%package volatile
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Summary: Dracut Module to mount a tmpfs overlay on a RO root
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Group: System/Fhs
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Requires: dracut
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%description volatile
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A dracut module which mounts an overlayfs each on /etc and /var, with the upper
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layer in a tmpfs mount. This is the minimal setup to get a booting system, to
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have a writable /root or /home, additional fstab entries can be added.
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%prep
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%setup -q
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%build
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%install
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cp -a etc usr %{buildroot}
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mkdir -p %{buildroot}%{_localstatedir}/lib/overlay/work-etc
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%post
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if [ "$1" = 1 ] ; then
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%{_sbindir}/setup-fstab-for-overlayfs
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mkdir -p %{_localstatedir}/lib/overlay/1/etc
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fi
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if [ ! -e /boot/writable -a "`findmnt -n -o FSTYPE -l /`" = "btrfs" ]; then
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%{_sbindir}/mksubvolume /boot/writable
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fi
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%{?update_bootloader_refresh_post}
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%posttrans
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if [ -f %{_sysconfdir}/zypp/zypp.conf ]; then
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sed -i 's/^multiversion =.*/multiversion =/g' %{_sysconfdir}/zypp/zypp.conf
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fi
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# btrfsmaintainence uses as default "/", but that is read-only.
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# Change that to /.snapshots/
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for var in BTRFS_BALANCE_MOUNTPOINTS BTRFS_SCRUB_MOUNTPOINTS BTRFS_TRIM_MOUNTPOINTS; do
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grep -q "${var}=\"/\"" /etc/sysconfig/btrfsmaintenance && sed -i "s|${var}=.*|${var}=\"/.snapshots\"|g" /etc/sysconfig/btrfsmaintenance
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done
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%{?update_bootloader_posttrans}
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exit 0
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%files
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%license COPYING
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%{_sbindir}/setup-fstab-for-overlayfs
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%{_localstatedir}/lib/overlay
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%{_prefix}/lib/dracut/dracut.conf.d/10-read-only-root-fs.conf
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%{_prefix}/lib/systemd/system-preset/*
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%dir %{_prefix}/lib/systemd/system/systemd-udevd.service.d
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%{_prefix}/lib/systemd/system/systemd-udevd.service.d/etcmount.conf
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%dir %{_prefix}/lib/systemd/system/systemd-journal-flush.service.d
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%{_prefix}/lib/systemd/system/systemd-journal-flush.service.d/afterlocalfs.conf
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%dir %{_prefix}/lib/systemd/system/systemd-remount-fs.service.d
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%{_prefix}/lib/systemd/system/systemd-remount-fs.service.d/writableagain.conf
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%dir %{_sysconfdir}/grub.d
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%config(noreplace) %{_sysconfdir}/grub.d/01_suse_ro_root
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%files volatile
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%license COPYING
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%{_prefix}/lib/dracut/modules.d/99volatile-overlay/
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%changelog
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