mirror_zfs/etc/init.d/zfs.gentoo.in
Matthew Thode 760ec997df Updating init scripts to have more robust grepping
The previous pattern could accidentally match on things like
'real_root=ZFS=node02-zp00/ROOT/rootfs' due to the 'ZFS=no'
substring.

Signed-off-by: Matthew Thode <mthode@mthode.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #1837
2013-11-08 10:55:20 -08:00

124 lines
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#!/sbin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Released under the 2-clause BSD license.
# $Header: /var/cvsroot/gentoo-x86/sys-fs/zfs/files/zfs,v 0.9 2011/04/30 10:13:43 devsk Exp $
if [ -z "$init" ]; then
# Not interactive
grep -qE '(^|[^\\](\\\\)* )zfs=(off|no)( |$)' /proc/cmdline && exit 3
fi
depend()
{
# Try to allow people to mix and match fstab with ZFS in a way that makes sense.
if [ "$(mountinfo -s /)" = 'zfs' ]
then
before localmount
else
after localmount
fi
# bootmisc will log to /var which may be a different zfs than root.
before bootmisc logger
keyword -lxc -openvz -prefix -vserver
}
ZFS="@sbindir@/zfs"
ZPOOL="@sbindir@/zpool"
ZPOOL_CACHE="@sysconfdir@/zfs/zpool.cache"
ZFS_MODULE=zfs
checksystem() {
if [ ! -c /dev/zfs ]; then
einfo "Checking if ZFS modules present"
if ! modinfo zfs > /dev/null 2>&1 ; then
eerror "$ZFS_MODULE not found. Is the ZFS package installed?"
return 1
fi
fi
einfo "Checking if zfs userspace tools present"
if [ ! -x $ZPOOL ]; then
eerror "$ZPOOL binary not found."
return 1
fi
if [ ! -x $ZFS ]; then
eerror "$ZFS binary not found."
return 1
fi
return 0
}
start() {
ebegin "Starting ZFS"
checksystem || return 1
# Delay until all required block devices are present.
udevadm settle
if [ ! -c /dev/zfs ]; then
modprobe $ZFS_MODULE
rv=$?
if [ $rv -ne 0 ]; then
eerror "Failed to load the $ZFS_MODULE module, check 'dmesg|tail'."
eend $rv
return $rv
fi
fi
# Import all pools described by the cache file, and then mount
# all filesystem based on their properties.
if [ -f $ZPOOL_CACHE ]; then
einfo "Importing ZFS pools"
# as per fedora script, import can fail if all pools are already imported
# The check for $rv makes no sense...but someday, it will work right.
$ZPOOL import -c $ZPOOL_CACHE -aN 2>/dev/null || true
rv=$?
if [ $rv -ne 0 ]; then
eerror "Failed to import not-yet imported pools."
eend $rv
return $rv
fi
fi
einfo "Mounting ZFS filesystems"
$ZFS mount -a
rv=$?
if [ $rv -ne 0 ]; then
eerror "Failed to mount ZFS filesystems."
eend $rv
return $rv
fi
einfo "Exporting ZFS filesystems"
$ZFS share -a
rv=$?
if [ $rv -ne 0 ]; then
eerror "Failed to export ZFS filesystems."
eend $rv
return $rv
fi
eend 0
return 0
}
stop()
{
ebegin "Unmounting ZFS filesystems"
$ZFS umount -a
rv=$?
if [ $rv -ne 0 ]; then
einfo "Some ZFS filesystems not unmounted"
fi
# Don't fail if we couldn't umount everything. /usr might be in use.
eend 0
return 0
}
status()
{
# show pool status and list
$ZPOOL status && echo && $ZPOOL list
}