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Diffstat (limited to 'etc/init.d/zfs-mount.in')
| -rwxr-xr-x | etc/init.d/zfs-mount.in | 227 |
1 files changed, 227 insertions, 0 deletions
diff --git a/etc/init.d/zfs-mount.in b/etc/init.d/zfs-mount.in new file mode 100755 index 000000000000..9b400916f42e --- /dev/null +++ b/etc/init.d/zfs-mount.in @@ -0,0 +1,227 @@ +#!@DEFAULT_INIT_SHELL@ +# +# zfs-mount This script will mount/umount the zfs filesystems. +# +# chkconfig: 2345 06 99 +# description: This script will mount/umount the zfs filesystems during +# system boot/shutdown. Configuration of which filesystems +# should be mounted is handled by the zfs 'mountpoint' and +# 'canmount' properties. See the zfs(8) man page for details. +# It is also responsible for all userspace zfs services. +# probe: true +# +### BEGIN INIT INFO +# Provides: zfs-mount +# Required-Start: $local_fs zfs-import +# Required-Stop: $local_fs zfs-import +# Default-Start: 2 3 4 5 +# Default-Stop: 0 1 6 +# X-Stop-After: zfs-zed +# Short-Description: Mount ZFS filesystems and volumes +# Description: Run the `zfs mount -a` or `zfs umount -a` commands. +### END INIT INFO +# +# Released under the 2-clause BSD license. +# +# The original script that acted as a template for this script came from +# the Debian GNU/Linux kFreeBSD ZFS packages (which did not include a +# licensing stansa) in the commit dated Mar 24, 2011: +# https://github.com/zfsonlinux/pkg-zfs/commit/80a3ae582b59c0250d7912ba794dca9e669e605a + +# Source the common init script +. @sysconfdir@/zfs/zfs-functions + +# ---------------------------------------------------- + +chkroot() { + while read line; do + set -- $line + if [ "$2" = "/" ]; then + return 0 + fi + done < /proc/self/mounts + + return 1 +} + +do_depend() +{ + # Try to allow people to mix and match fstab with ZFS in a way that makes sense. + if [ "$(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 + + after zfs-import sysfs + use mtab + keyword -lxc -openvz -prefix -vserver +} + +# Mount all datasets/filesystems +do_mount() +{ + local verbose overlay i mntpt val + + check_boolean "$VERBOSE_MOUNT" && verbose=v + check_boolean "$DO_OVERLAY_MOUNTS" && overlay=O + + zfs_action "Mounting ZFS filesystem(s)" \ + "$ZFS" mount -a$verbose$overlay "$MOUNT_EXTRA_OPTIONS" + + # Require each volume/filesystem to have 'noauto' and no fsck + # option. This shouldn't really be necessary, as long as one + # can get zfs-import to run sufficiently early on in the boot + # process - before local mounts. This is just here in case/if + # this isn't possible. + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_begin_msg "Mounting volumes and filesystems registered in fstab" + + read_mtab "^/dev/(zd|zvol)" + read_fstab "^/dev/(zd|zvol)" + i=0; var=$(eval echo FSTAB_$i) + while [ -n "$(eval echo "$""$var")" ] + do + mntpt=$(eval echo "$""$var") + dev=$(eval echo "$"FSTAB_dev_$i) + if ! in_mtab "$mntpt" && ! is_mounted "$mntpt" && [ -e "$dev" ] + then + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_progress_msg "$mntpt " + fsck "$dev" && mount "$mntpt" + fi + + i=$((i + 1)) + var=$(eval echo FSTAB_$i) + done + + read_mtab "[[:space:]]zfs[[:space:]]" + read_fstab "[[:space:]]zfs[[:space:]]" + i=0; var=$(eval echo FSTAB_$i) + while [ -n "$(eval echo "$""$var")" ] + do + mntpt=$(eval echo "$""$var") + if ! in_mtab "$mntpt" && ! is_mounted "$mntpt" + then + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_progress_msg "$mntpt " + mount "$mntpt" + fi + + i=$((i + 1)) + var=$(eval echo FSTAB_$i) + done + check_boolean "$VERBOSE_MOUNT" && zfs_log_end_msg 0 + + return 0 +} + +# Unmount all filesystems +do_unmount() +{ + local i var mntpt + + # This shouldn't really be necessary, as long as one can get + # zfs-import to run sufficiently late in the shutdown/reboot process + # - after unmounting local filesystems. This is just here in case/if + # this isn't possible. + zfs_action "Unmounting ZFS filesystems" "$ZFS" unmount -a + + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_begin_msg "Unmounting volumes and filesystems registered in fstab" + + read_mtab "^/dev/(zd|zvol)" + read_fstab "^/dev/(zd|zvol)" + i=0; var=$(eval echo FSTAB_$i) + while [ -n "$(eval echo "$""$var")" ] + do + mntpt=$(eval echo "$""$var") + dev=$(eval echo "$"FSTAB_dev_$i) + if in_mtab "$mntpt" + then + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_progress_msg "$mntpt " + umount "$mntpt" + fi + + i=$((i + 1)) + var=$(eval echo FSTAB_$i) + done + + read_mtab "[[:space:]]zfs[[:space:]]" + read_fstab "[[:space:]]zfs[[:space:]]" + i=0; var=$(eval echo FSTAB_$i) + while [ -n "$(eval echo "$""$var")" ] + do + mntpt=$(eval echo "$""$var") + if in_mtab "$mntpt"; then + check_boolean "$VERBOSE_MOUNT" && \ + zfs_log_progress_msg "$mntpt " + umount "$mntpt" + fi + + i=$((i + 1)) + var=$(eval echo FSTAB_$i) + done + check_boolean "$VERBOSE_MOUNT" && zfs_log_end_msg 0 + + return 0 +} + +do_start() +{ + check_boolean "$ZFS_MOUNT" || exit 0 + + check_module_loaded "zfs" || exit 0 + + # Ensure / exists in /proc/self/mounts. + # This should be handled by rc.sysinit but lets be paranoid. + if ! chkroot + then + mount -f / + fi + + do_mount +} + +do_stop() +{ + check_boolean "$ZFS_UNMOUNT" || exit 0 + + check_module_loaded "zfs" || exit 0 + + do_unmount +} + +# ---------------------------------------------------- + +if [ ! -e /sbin/openrc-run ] +then + case "$1" in + start) + do_start + ;; + stop) + do_stop + ;; + force-reload|condrestart|reload|restart|status) + # no-op + ;; + *) + [ -n "$1" ] && echo "Error: Unknown command $1." + echo "Usage: $0 {start|stop}" + exit 3 + ;; + esac + + exit $? +else + # Create wrapper functions since Gentoo don't use the case part. + depend() { do_depend; } + start() { do_start; } + stop() { do_stop; } +fi |