61 lines
1.5 KiB
Bash
61 lines
1.5 KiB
Bash
#!/bin/bash
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# Ensure that a libvirt volume exists, optionally uploading an image.
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# On success, output a JSON object with a 'changed' item.
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if [[ $# -ne 4 ]] && [[ $# -ne 5 ]]; then
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echo "Usage: $0 <name> <pool> <capacity> <format> [<image>]"
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exit 1
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fi
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NAME=$1
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POOL=$2
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CAPACITY=$3
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FORMAT=$4
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IMAGE=$5
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# Check whether a volume with this name exists.
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output=$(virsh vol-info --pool $POOL --vol $NAME 2>&1)
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result=$?
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if [[ $result -eq 0 ]]; then
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echo '{"changed": false}'
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exit 0
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elif ! echo "$output" | grep 'Storage volume not found' >/dev/null 2>&1; then
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echo "Unexpected error while getting volume info"
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echo "$output"
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exit $result
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fi
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# Create the volume.
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output=$(virsh vol-create-as --pool $POOL --name $NAME --capacity $CAPACITY --format $FORMAT 2>&1)
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result=$?
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if [[ $result -ne 0 ]]; then
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echo "Failed to create volume"
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echo "$output"
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exit $result
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fi
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if [[ -n $IMAGE ]]; then
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# Upload an image to the volume.
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output=$(virsh vol-upload --pool $POOL --vol $NAME --file $IMAGE 2>&1)
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result=$?
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if [[ $result -ne 0 ]]; then
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echo "Failed to upload image $IMAGE to volume $NAME"
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echo "$output"
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virsh vol-delete --pool $POOL --vol $NAME
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exit $result
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fi
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# Resize the volume to the requested capacity.
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output=$(virsh vol-resize --pool $POOL --vol $NAME --capacity $CAPACITY 2>&1)
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result=$?
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if [[ $result -ne 0 ]]; then
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echo "Failed to resize volume $VOLUME to $CAPACITY"
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echo "$output"
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exit $result
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fi
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fi
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echo '{"changed": true}'
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exit 0
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