Râu Cao
82a4af05ef
If pivoting the VM backing storage back to the original image fails (e.g. VM being down at that time), the script currently still deletes the hotswap image, which means that all changes since the creation of the hotswap image are lost.
27 lines
819 B
Bash
27 lines
819 B
Bash
#!/bin/bash
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# GENERATED BY CHEF
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# DO NOT EDIT
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REPOSITORY=$BORG_REPO
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echo "Starting backup of VM: $1"
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echo "Dumping domain XML to /root/backups/vm_meta/$1.xml"
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virsh dumpxml --migratable $1 > /root/backups/vm_meta/$1.xml
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virsh snapshot-create-as --domain $1 \
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--name hotswap.qcow2 \
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--no-metadata \
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--atomic \
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--quiesce \
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--disk-only \
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--diskspec vda,snapshot=external
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# TODO report failures
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borg create -v $REPOSITORY::$1_$(date +%F_%H-%M) \
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/var/lib/libvirt/images/$1.qcow2 \
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/root/backups/vm_meta/$1.xml
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echo "Pivoting base image back to original, and removing the snapshot image"
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virsh blockcommit $1 vda --pivot --base=/var/lib/libvirt/images/$1.qcow2 && rm /var/lib/libvirt/images/$1.hotswap.qcow2
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