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134 lines
2.9 KiB
Bash
Executable File
134 lines
2.9 KiB
Bash
Executable File
#!/usr/bin/bash
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## Licensed to the Apache Software Foundation (ASF) under one
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## or more contributor license agreements. See the NOTICE file
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## distributed with this work for additional information
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## regarding copyright ownership. The ASF licenses this file
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## to you under the Apache License, Version 2.0 (the
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## "License"); you may not use this file except in compliance
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## with the License. You may obtain a copy of the License at
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##
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## http://www.apache.org/licenses/LICENSE-2.0
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##
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## Unless required by applicable law or agreed to in writing,
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## software distributed under the License is distributed on an
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## "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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## KIND, either express or implied. See the License for the
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## specific language governing permissions and limitations
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## under the License.
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set -e
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# CloudStack B&R NAS Backup and Recovery Tool for KVM
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# TODO: do libvirt/logging etc checks
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backup_vm() {
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vm=$1
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path=$2
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storage=$3
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mount_point=$(mktemp -d -t csbackup.XXXXX)
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dest="$mount_point/$path"
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mount -t nfs $storage $mount_point
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mkdir -p $dest
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echo "<domainbackup mode='push'><disks>" > $dest/backup.xml
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for disk in $(virsh -c qemu:///system domblklist $vm --details 2>/dev/null | awk '/disk/{print$3}'); do
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echo "<disk name='$disk' backup='yes' type='file' backupmode='full'><driver type='qcow2'/><target file='$dest/$disk' /></disk>" >> $dest/backup.xml
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done
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echo "</disks></domainbackup>" >> $dest/backup.xml
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virsh -c qemu:///system backup-begin --domain $vm --backupxml $dest/backup.xml > /dev/null 2>/dev/null
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virsh -c qemu:///system dumpxml $vm > $dest/domain-$vm.xml 2>/dev/null
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until virsh -c qemu:///system domjobinfo $vm --completed 2>/dev/null | grep "Completed" > /dev/null; do
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sleep 5
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done
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# Print directory size
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sync
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du -sb $dest | cut -f1
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umount $mount_point
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rmdir $mount_point
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}
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delete_backup() {
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path=$1
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storage=$2
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mount_point=$(mktemp -d -t csbackup.XXXXX)
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dest="$mount_point/$path"
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mount -t nfs $storage $mount_point
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rm -frv $dest
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sync
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umount $mount_point
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rmdir $mount_point
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}
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OP=""
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VM=""
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DEST=""
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NAS=""
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TYPE=""
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function usage {
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echo ""
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echo "Usage: $0 -b <domain> -s <NAS storage mount path> -p <backup dest path>"
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echo ""
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exit 1
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}
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while [[ $# -gt 0 ]]; do
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case $1 in
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-b|--backup)
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OP="backup"
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VM="$2"
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shift
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shift
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;;
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-d|--delete)
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OP="delete"
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DEST="$2"
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shift
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shift
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;;
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-s|--storage)
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NAS="$2"
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TYPE="nfs"
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shift
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shift
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;;
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-p|--path)
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DEST="$2"
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shift
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shift
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;;
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-r|--recover)
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OP="recover"
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shift
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;;
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-rv|--recover)
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OP="recover-volume"
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shift
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;;
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-h|--help)
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usage
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shift
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;;
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*)
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echo "Invalid option: $1"
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usage
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;;
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esac
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done
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if [ "$OP" = "backup" ]; then
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backup_vm $VM $DEST $NAS
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elif [ "$OP" = "backup" ]; then
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delete_backup $DEST $NAS
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fi
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