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Feature #3778: Recalculate the disk paths in the restore action

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to handle system ds migrations
This commit is contained in:
Jaime Melis 2015-04-30 18:00:01 +02:00
parent e0ef584256
commit 1c3f983e91
1 changed files with 32 additions and 4 deletions
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36
src/vmm_mad/remotes/kvm/restore
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@ -19,9 +19,37 @@
source $(dirname $0)/kvmrc
source $(dirname $0)/../../scripts_common.sh
file=$1
# Checkpoint file: /var/lib/one//datastores/<DS_ID>/<VM_ID>/checkpoint
FILE=$1
FILE_XML=${FILE}.xml
exec_and_log "virsh --connect $LIBVIRT_URI restore $file" \
"Could not restore from $file"
HOST=$2
DEPLOY_ID=$3
VMID=$4
rm "$file"
DS_ID=$(basename $(dirname $(dirname $FILE)))
DS_LOCATION=$(dirname $(dirname $(dirname $FILE)))
RECALCULATE_CMD=$(cat <<EOF
set -e
# extract the xml from the checkpoint
virsh --connect $LIBVIRT_URI save-image-dumpxml $FILE > $FILE_XML
# Eeplace all occurrences of the DS_LOCATION/<DS_ID>/<VM_ID> with the specific
# DS_ID where the checkpoint is placed. This is done in case there was a
# system DS migration
sed -i "s%$DS_LOCATION/[0-9]\+/$VMID/%$DS_LOCATION/$DS_ID/$VMID/%g" $FILE_XML
EOF
)
multiline_exec_and_log "$RECALCULATE_CMD" \
"Could not recalculate paths in $FILE_XML"
exec_and_log "virsh --connect $LIBVIRT_URI restore $FILE --xml $FILE_XML" \
"Could not restore from $FILE"
rm "$FILE"
rm "$FILE_XML"