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Multiple dracut module install script cleanups
- Replaced intances of `dracut_install` with `inst_simple` - Removed calls to `test -x mark_hostonly` because the function is an inbuilt dracut function - Removed redundant installation of `systemd-ask-password` and `systemd-tty-ask-password-agent` because they are already installed by the systemd module. There is no need to install them again - Removed multiple calls to the `mark_hostonly` function because the `inst_simple` has a command-line switch for it - Cleaned up the installation of the `zpool.cache`, `vdev_id.conf` and `hostid` files to make the logic easier to follow - Cleaned up and simplified the systemd service installation logic by invoking systemctl instead of creating symlinks manually - Replaced various hard-coded paths with dracut equivalents to better conform with expected dracut behaviour - Removed redundant call to `mkdir` (`inst_simple` creates the parent directory if it does not exist on the destination initrd) Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Reviewed-by: Andrew J. Hesford <ajh@sideband.org> Signed-off-by: Savyasachee Jha <hi@savyasacheejha.com> Closes #13010
This commit is contained in:
Savyasachee Jha
Brian Behlendorf
parent
ed66eafd05
commit
5eae5a88b2
@ -6,8 +6,8 @@ check() {
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[ "${1}" = "-d" ] && return 0
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# Verify the zfs tool chain
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for tool in "@sbindir@/zgenhostid" "@sbindir@/zpool" "@sbindir@/zfs" "@mounthelperdir@/mount.zfs" ; do
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test -x "$tool" || return 1
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for tool in "zgenhostid" "zpool" "zfs" "mount.zfs"; do
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command -v "${tool}" >/dev/null || return 1
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done
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return 0
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@ -38,90 +38,69 @@ install() {
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head ||
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{ dfatal "Failed to install essential binaries"; exit 1; }
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# Lines 71-90 adapted from
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# https://github.com/zbm-dev/zfsbootmenu/blob/9a03eab2b75647170bdc383903735a694ecd0ed6/dracut/module-setup.sh#L71
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# Adapted from https://github.com/zbm-dev/zfsbootmenu
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if ! ldd "$( command -v zpool )" | grep -qF 'libgcc_s.so'; then
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if ! ldd "$(command -v zpool)" | grep -qF 'libgcc_s.so'; then
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# On systems with gcc-config (Gentoo, Funtoo, etc.), use it to find libgcc_s
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if command -v gcc-config >/dev/null 2>&1; then
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dracut_install "/usr/lib/gcc/$(s=$(gcc-config -c); echo "${s%-*}/${s##*-}")/libgcc_s.so.1" ||
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if command -v gcc-config >/dev/null; then
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inst_simple "/usr/lib/gcc/$(s=$(gcc-config -c); echo "${s%-*}/${s##*-}")/libgcc_s.so.1" ||
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{ dfatal "Unable to install libgcc_s.so"; exit 1; }
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# Otherwise, use dracut's library installation function to find the right one
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elif ! inst_libdir_file "libgcc_s.so*"; then
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# If all else fails, just try looking for some gcc arch directory
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dracut_install /usr/lib/gcc/*/*/libgcc_s.so* ||
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inst_simple /usr/lib/gcc/*/*/libgcc_s.so* ||
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{ dfatal "Unable to install libgcc_s.so"; exit 1; }
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fi
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fi
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inst_hook cmdline 95 "${moddir}/parse-zfs.sh"
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if [ -n "$systemdutildir" ] ; then
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inst_script "${moddir}/zfs-generator.sh" "$systemdutildir"/system-generators/dracut-zfs-generator
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if [ -n "${systemdutildir}" ]; then
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inst_script "${moddir}/zfs-generator.sh" "${systemdutildir}/system-generators/dracut-zfs-generator"
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fi
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inst_hook pre-mount 90 "${moddir}/zfs-load-key.sh"
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inst_hook mount 98 "${moddir}/mount-zfs.sh"
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inst_hook cleanup 99 "${moddir}/zfs-needshutdown.sh"
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inst_hook shutdown 20 "${moddir}/export-zfs.sh"
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inst_simple "${moddir}/zfs-lib.sh" "/lib/dracut-zfs-lib.sh"
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if [ -e @sysconfdir@/zfs/zpool.cache ]; then
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inst @sysconfdir@/zfs/zpool.cache
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/zfs/zpool.cache
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fi
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inst_script "${moddir}/zfs-lib.sh" "/lib/dracut-zfs-lib.sh"
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if [ -e @sysconfdir@/zfs/vdev_id.conf ]; then
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inst @sysconfdir@/zfs/vdev_id.conf
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/zfs/vdev_id.conf
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fi
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# -H ensures they are marked host-only
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# -o ensures there is no error upon absence of these files
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inst_multiple -o -H \
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"@sysconfdir@/zfs/zpool.cache" \
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"@sysconfdir@/zfs/vdev_id.conf"
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# Synchronize initramfs and system hostid
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if [ -f @sysconfdir@/hostid ]; then
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inst @sysconfdir@/hostid
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/hostid
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elif HOSTID="$(hostid 2>/dev/null)" && [ "${HOSTID}" != "00000000" ]; then
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if ! inst_simple -H @sysconfdir@/hostid; then
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if HOSTID="$(hostid 2>/dev/null)" && [ "${HOSTID}" != "00000000" ]; then
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zgenhostid -o "${initdir}@sysconfdir@/hostid" "${HOSTID}"
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @sysconfdir@/hostid
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mark_hostonly @sysconfdir@/hostid
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fi
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fi
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if dracut_module_included "systemd"; then
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dracut_install \
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systemd-ask-password \
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systemd-tty-ask-password-agent ||
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{ dfatal "Failed to install essential systemd binaries"; exit 1; }
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inst_simple "${systemdsystemunitdir}/zfs-import.target"
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systemctl -q --root "${initdir}" add-wants initrd.target zfs-import.target
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mkdir -p "${initdir}/$systemdsystemunitdir/zfs-import.target.wants"
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for _service in "zfs-import-scan.service" "zfs-import-cache.service" ; do
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dracut_install "@systemdunitdir@/$_service"
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if ! [ -L "${initdir}/$systemdsystemunitdir/zfs-import.target.wants/$_service" ]; then
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ln -sf "../$_service" "${initdir}/$systemdsystemunitdir/zfs-import.target.wants/$_service"
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly "@systemdunitdir@/$_service"
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fi
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inst_simple "${moddir}/zfs-env-bootfs.service" "${systemdsystemunitdir}/zfs-env-bootfs.service"
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systemctl -q --root "${initdir}" add-wants zfs-import.target zfs-env-bootfs.service
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for _service in \
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"zfs-import-scan.service" \
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"zfs-import-cache.service" \
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"zfs-load-module.service"; do
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inst_simple "${systemdsystemunitdir}/${_service}"
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systemctl -q --root "${initdir}" add-wants zfs-import.target "${_service}"
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done
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inst "${moddir}"/zfs-env-bootfs.service "${systemdsystemunitdir}"/zfs-env-bootfs.service
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ln -s ../zfs-env-bootfs.service "${initdir}/${systemdsystemunitdir}/zfs-import.target.wants"/zfs-env-bootfs.service
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-env-bootfs.service
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mkdir -p "${initdir}/$systemdsystemunitdir/initrd.target.wants"
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dracut_install @systemdunitdir@/zfs-import.target
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if ! [ -L "${initdir}/$systemdsystemunitdir/initrd.target.wants"/zfs-import.target ]; then
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ln -s ../zfs-import.target "${initdir}/$systemdsystemunitdir/initrd.target.wants"/zfs-import.target
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type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-import.target
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fi
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for _service in zfs-snapshot-bootfs.service zfs-rollback-bootfs.service ; do
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inst "${moddir}/$_service" "${systemdsystemunitdir}/$_service"
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if ! [ -L "${initdir}/$systemdsystemunitdir/initrd.target.wants/$_service" ]; then
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ln -s "../$_service" "${initdir}/$systemdsystemunitdir/initrd.target.wants/$_service"
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fi
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for _service in \
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"zfs-snapshot-bootfs.service" \
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"zfs-rollback-bootfs.service"; do
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inst_simple "${moddir}/${_service}" "${systemdsystemunitdir}/${_service}"
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systemctl -q --root "${initdir}" add-wants initrd.target "${_service}"
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done
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# There isn't a pkg-config variable for this,
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# and dracut doesn't automatically resolve anything this'd be next to
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local systemdsystemenvironmentgeneratordir
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systemdsystemenvironmentgeneratordir="$(pkg-config --variable=prefix systemd || echo "/usr")/lib/systemd/system-environment-generators"
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mkdir -p "${initdir}/${systemdsystemenvironmentgeneratordir}"
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inst "${moddir}"/import-opts-generator.sh "${systemdsystemenvironmentgeneratordir}"/zfs-import-opts.sh
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inst_simple "${moddir}/import-opts-generator.sh" "${systemdutildir}/system-environment-generators/zfs-import-opts.sh"
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fi
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}
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