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fix remove beName@snapshot, fix create beName@snapshot, fix create -e beName@snapshot beName, implement rename origBeName newBeName

This commit is contained in:
Slawomir Wojciech Wojtczak (vermaden) 2012-05-09 22:40:59 +02:00
parent 3701f893d5
commit e4513d149e
1 changed files with 36 additions and 16 deletions
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52
beadm
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@ -1,4 +1,4 @@
#!/bin/sh
#!/bin/sh -e
# Copyright 2012 Slawomir Wojciech Wojtczak (vermaden). All rights reserved.
# Copyright 2012 Bryan Drewery (bdrewery). All rights reserved.
@ -32,7 +32,7 @@ then
fi
__usage() {
NAME=${0##*/}
local NAME=${0##*/}
echo "usage:"
echo " ${NAME} subcommand cmd_options"
echo
@ -44,6 +44,7 @@ __usage() {
echo " ${NAME} destroy beName"
echo " ${NAME} destroy beName@snapshot"
echo " ${NAME} list"
echo " ${NAME} rename origBeName newBeName"
exit 1
}
@ -60,13 +61,23 @@ __be_snapshot() { # 1=DATASET/SNAPSHOT
}
__be_new() { # 1=SOURCE 2=TARGET
local SOURCE=$( echo ${1} | cut -d '@' -f 1 )
if __be_snapshot ${1}
then
zfs clone ${1} ${2}
local SNAPSHOT=$( echo ${1} | cut -d '@' -f 2 )
zfs list -r -H -t filesystem -o name ${SOURCE} \
| while read FS
do
if ! zfs list -H -o name ${FS}@${SNAPSHOT} 1> /dev/null 2> /dev/null
then
echo "ERROR: Child snapshot '${FS}@${SNAPSHOT}' does not exists"
exit 1
fi
done
else
if zfs list -H -o name ${1}@${2##*/} 1> /dev/null 2> /dev/null
then
echo "ERROR: Snapshot '${1}@${2##*/}' exists"
echo "ERROR: Snapshot '${1}@${2##*/}' already exists"
exit 1
fi
if ! zfs snapshot -r ${1}@${2##*/} 1> /dev/null 2> /dev/null
@ -75,24 +86,22 @@ __be_new() { # 1=SOURCE 2=TARGET
exit 1
fi
fi
zfs list -H -o name -t filesystem -r ${1} \
zfs list -H -o name -r ${SOURCE} \
| while read FS
do
OPTS=""
while read NAME PROPERTY VALUE SOURCE
local OPTS=""
while read NAME PROPERTY VALUE
do
OPTS="-o ${PROPERTY}=${VALUE} ${OPTS}"
local OPTS="-o ${PROPERTY}=${VALUE} ${OPTS}"
done << EOF
$( zfs get -s local -H all ${FS} | grep -v -E "(canmount)" )
$( zfs get -o name,property,value -s local -H all ${FS} | grep -v -E "(canmount)" )
EOF
SOURCE=${1##*/}
TARGET=${2##*/}
DATASET=$( echo ${FS} | awk '{print $1}' | sed -E s/"^${POOL}\/ROOT\/${SOURCE}"/"${POOL}\/ROOT\/${TARGET}"/g )
DATASET=$( echo ${FS} | awk '{print $1}' | sed -E s/"^${POOL}\/ROOT\/${SOURCE##*/}"/"${POOL}\/ROOT\/${2##*/}"/g )
if [ "${OPTS}" = "-o = " ]
then
OPTS=""
local OPTS=""
fi
zfs clone -o canmount=off ${OPTS} ${FS}@${2##*/} ${DATASET}
zfs clone -o canmount=off ${OPTS} ${FS}@${SNAPSHOT} ${DATASET}
done
echo "Created successfully"
}
@ -170,7 +179,7 @@ case ${1} in
(2)
if __be_snapshot ${2}
then
if zfs snapshot ${POOL}/ROOT/${2} 2> /dev/null
if ! zfs snapshot -r ${POOL}/ROOT/${2} 2> /dev/null
then
echo "ERROR: Cannot create '${2}' snapshot"
exit 1
@ -269,7 +278,7 @@ EOF
(Y|y|[Yy][Ee][Ss])
if __be_snapshot ${POOL}/ROOT/${2}
then
if ! zfs destroy ${POOL}/ROOT/${2} 1> /dev/null 2> /dev/null
if ! zfs destroy -r ${POOL}/ROOT/${2} 1> /dev/null 2> /dev/null
then
echo "ERROR: Snapshot '${2}' is origin for other boot environment(s)"
exit 1
@ -303,6 +312,17 @@ EOF
esac
;;
(rename) # ------------------------------------------------------------------
__be_exist ${POOL}/ROOT/${2}
if zfs list -H -o name ${POOL}/ROOT/${3} 2> /dev/null
then
echo "ERROR: Boot environment '${3}' already exists"
exit 1
fi
zfs rename ${POOL}/ROOT/${2} ${POOL}/ROOT/${3}
echo "Renamed successfully"
;;
(*) # -----------------------------------------------------------------------
__usage
;;