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Properly create and activate cloned BE's

This commit is contained in:
Slawomir Wojciech Wojtczak (vermaden) 2012-05-04 23:11:26 +02:00
parent 6cbdf50c17
commit 87501e9de4
1 changed files with 15 additions and 5 deletions
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20
beadm
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@ -77,12 +77,15 @@ __be_new() { # 1=SOURCE 2=TARGET
do
OPTS="-o ${PROPERTY}=${VALUE} ${OPTS}"
done << EOF
$( zfs get -s local,none -H all ${FS} | grep -v -E "(type|creation|used|available|referenced|compressratio|mounted|origin|version|utf8only|normalization|casesensitivity|vscan|nbmand|mlslabel|refcompressratio|canmount)" )
$( zfs get -s local -H all ${FS} | grep -v -E "(mountpoint|canmount)" )
EOF
SOURCE=${1##*/}
TARGET=${2##*/}
DATASET=$( echo ${FS} | awk '{print $1}' | sed -E s/"^${POOL}\/ROOT\/${SOURCE}"/"${POOL}\/ROOT\/${TARGET}"/g )
[ "${OPTS}" = "-o =" ] && OPTS=""
zfs clone -o canmount=noauto ${OPTS} ${FS}@${2##*/} ${DATASET}
MOUNT=$( zfs get -H -o value mountpoint ${FS} )
zfs set mountpoint=${MOUNT} ${DATASET}
done
echo "Created successfully"
}
@ -150,7 +153,10 @@ case ${1} in
;;
(activate) # ----------------------------------------------------------------
__be_exist ${POOL}/ROOT/${2}
[ "${BOOTFS}" = "${POOL}/ROOT/${2}" ] || {
[ "${BOOTFS}" = "${POOL}/ROOT/${2}" ] && {
echo "Already activated"
exit 0
} || {
[ "${ROOTFS}" = "${POOL}/ROOT/${2}" ] || {
MNT="/tmp/BE"
mkdir -p ${MNT} || {
@ -158,10 +164,12 @@ case ${1} in
exit 1
}
zfs set mountpoint=${MNT} ${POOL}/ROOT/${2}
cp /boot/zfs/zpool.cache ${MNT}/boot/zfs/zpool.cache 2> /dev/null
zfs mount ${POOL}/ROOT/${2}
cp /boot/zfs/zpool.cache ${MNT}/boot/zfs/zpool.cache # 2> /dev/null
LOADER_CONFIGS=${MNT}/boot/loader.conf
[ -f ${MNT}/boot/loader.conf.local ] && LOADER_CONFIGS="${LOADER_CONFIGS} ${MNT}/boot/loader.conf.local"
sed -i '' -E s/"^vfs.root.mountfrom=.*$"/"vfs.root.mountfrom=\"zfs:${POOL}\/ROOT\/${2##*/}\""/g ${LOADER_CONFIGS} 2> /dev/null
zfs umount ${POOL}/ROOT/${2}
zfs set mountpoint=legacy ${POOL}/ROOT/${2}
}
zpool set bootfs=${POOL}/ROOT/${2} ${POOL} && {
@ -179,8 +187,11 @@ case ${1} in
zfs list -H -o name -t filesystem -r ${POOL}/ROOT/${2} \
| while read I
do
MOUNT=$( zfs get -H -o value mountpoint ${I} )
zfs set canmount=noauto ${I}
[ "${MOUNT}" = legacy ] || zfs set mountpoint=${MOUNT} ${I}
zfs set canmount=on ${I} 2> /dev/null
zfs promote ${I} 2> /dev/null
zfs promote ${I}
done
echo "Activated successfully"
;;
@ -216,7 +227,6 @@ case ${1} in
do
zfs destroy -r ${I} 2> /dev/null
done
}
echo "Destroyed successfully"
;;