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Move dracut specifics to dracut module

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Dracut depends on the environment variable BOOTFS to be set after pool
import. This dracut specific systemd ExecStartPost command should not be
called for any non-dracut systems, so let's move it to a static systemd
unit that.

Reviewed-by: Manuel Amador (Rudd-O) <rudd-o@rudd-o.com>
Reviewed-by: Matthew Thode <prometheanfire@gentoo.org>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Closes #8510
This commit is contained in:
Michael Niewöhner 2019-04-03 02:14:39 +02:00 committed by Brian Behlendorf
parent f72ecb8d27
commit ce4432c542
6 changed files with 25 additions and 5 deletions
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1
contrib/dracut/90zfs/.gitignore vendored
View File

@ -6,3 +6,4 @@ zfs-generator.sh
zfs-lib.sh
zfs-load-key.sh
zfs-needshutdown.sh
zfs-env-bootfs.service

10
contrib/dracut/90zfs/Makefile.am
View File

@ -9,6 +9,9 @@ pkgdracut_SCRIPTS = \
zfs-needshutdown.sh \
zfs-lib.sh
pkgdracut_DATA = \
zfs-env-bootfs.service
EXTRA_DIST = \
$(top_srcdir)/contrib/dracut/90zfs/export-zfs.sh.in \
$(top_srcdir)/contrib/dracut/90zfs/module-setup.sh.in \
@ -17,9 +20,10 @@ EXTRA_DIST = \
$(top_srcdir)/contrib/dracut/90zfs/zfs-generator.sh.in \
$(top_srcdir)/contrib/dracut/90zfs/zfs-load-key.sh.in \
$(top_srcdir)/contrib/dracut/90zfs/zfs-needshutdown.sh.in \
$(top_srcdir)/contrib/dracut/90zfs/zfs-lib.sh.in
$(top_srcdir)/contrib/dracut/90zfs/zfs-lib.sh.in \
$(top_srcdir)/contrib/dracut/90zfs/zfs-env-bootfs.service.in
$(pkgdracut_SCRIPTS):%:%.in
$(pkgdracut_SCRIPTS) $(pkgdracut_DATA) :%:%.in
-$(SED) -e 's,@bindir\@,$(bindir),g' \
-e 's,@sbindir\@,$(sbindir),g' \
-e 's,@udevdir\@,$(udevdir),g' \
@ -30,4 +34,4 @@ $(pkgdracut_SCRIPTS):%:%.in
$< >'$@'
distclean-local::
-$(RM) $(pkgdracut_SCRIPTS)
-$(RM) $(pkgdracut_SCRIPTS) $(pkgdracut_DATA)

3
contrib/dracut/90zfs/module-setup.sh.in
View File

@ -98,6 +98,9 @@ install() {
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-import-$_item.service
fi
done
inst "${moddir}"/zfs-env-bootfs.service "${systemdsystemunitdir}"/zfs-env-bootfs.service
ln -s ../zfs-env-bootfs.service "${initdir}/${systemdsystemunitdir}/zfs-import.target.wants"/zfs-env-bootfs.service
type mark_hostonly >/dev/null 2>&1 && mark_hostonly @systemdunitdir@/zfs-env-bootfs.service
dracut_install systemd-ask-password
dracut_install systemd-tty-ask-password-agent
mkdir -p "${initdir}/$systemdsystemunitdir/initrd.target.wants"

14
contrib/dracut/90zfs/zfs-env-bootfs.service.in Normal file
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@ -0,0 +1,14 @@
[Unit]
Description=Set BOOTFS environment for dracut
Documentation=man:zpool(8)
DefaultDependencies=no
After=zfs-import-cache.service
After=zfs-import-scan.service
Before=zfs-import.target
[Service]
Type=oneshot
ExecStart=/bin/sh -c "/bin/systemctl set-environment BOOTFS=$(@sbindir@/zpool list -H -o bootfs | grep -m1 -v '^-$')"
[Install]
WantedBy=zfs-import.target

1
etc/systemd/system/zfs-import-cache.service.in
View File

@ -13,7 +13,6 @@ ConditionPathExists=@sysconfdir@/zfs/zpool.cache
Type=oneshot
RemainAfterExit=yes
ExecStart=@sbindir@/zpool import -c @sysconfdir@/zfs/zpool.cache -aN
ExecStartPost=/bin/sh -c "/bin/systemctl set-environment BOOTFS=$(@sbindir@/zpool list -H -o bootfs | grep -m1 -v '^-$')"
[Install]
WantedBy=zfs-import.target

1
etc/systemd/system/zfs-import-scan.service.in
View File

@ -12,7 +12,6 @@ ConditionPathExists=!@sysconfdir@/zfs/zpool.cache
Type=oneshot
RemainAfterExit=yes
ExecStart=@sbindir@/zpool import -aN -o cachefile=none
ExecStartPost=/bin/sh -c "/bin/systemctl set-environment BOOTFS=$(@sbindir@/zpool list -H -o bootfs | grep -m1 -v '^-$')"
[Install]
WantedBy=zfs-import.target