Revision b206849d snf-image-host/create
| b/snf-image-host/create | ||
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image_file="$IMAGE_DIR/$IMAGE_NAME-$ARCH.extdump";; |
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ntfsdump) |
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image_file="$IMAGE_DIR/$IMAGE_NAME-$ARCH.ntfsdump";; |
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diskdump) |
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image_file="$IMAGE_DIR/$IMAGE_NAME-$ARCH.diskdump";; |
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*) |
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log_error "Unknown image type: \`$IMAGE_TYPE'."; |
| 46 | 48 |
exit 1 |
| ... | ... | |
| 66 | 68 |
add_cleanup "$LOSETUP" -d "$blockdev" |
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fi |
| 68 | 70 |
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format_disk0 "$blockdev" "$IMAGE_TYPE" |
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|
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filesystem_dev=$(map_disk0 "$blockdev") |
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add_cleanup unmap_disk0 "$blockdev" |
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root_dev="${filesystem_dev}-1"
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case "$IMAGE_TYPE" in |
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ntfsdump, extdump) |
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format_disk0 "$blockdev" "$IMAGE_TYPE" |
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|
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target="$(map_disk0 "$blockdev")-1" #the root device |
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add_cleanup unmap_disk0 "$blockdev" |
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;; |
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diskdump) |
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target="$blockdev" |
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;; |
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esac |
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# dd the dump to its new home :-) |
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# Deploying an image file on a target block device is a streaming |
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# copy operation. Enable the direct I/O flag on the output fd to
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# avoid polluting the host cache with useless data.
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$monitor dd bs=4M if="$image_file" of="$root_dev" oflag=direct
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# Deploying an image file on a target block device is a streaming copy
|
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# operation. Enable the direct I/O flag on the output fd to avoid polluting the
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# host cache with useless data. |
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$monitor dd bs=4M if="$image_file" of="$target" oflag=direct
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# Create a floppy image |
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floppy=$(mktemp --tmpdir floppy.XXXXXX) |
| ... | ... | |
| 105 | 112 |
echo "$(date +%Y:%m:%d-%H:%M:%S.%N) Starting helper VM..." |
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"$TIMELIMIT" -t "$HELPER_SOFT_TIMEOUT" -T "$HELPER_HARD_TIMEOUT" \ |
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kvm -runas "$HELPER_USER" -drive file="$snapshot" \ |
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-drive file="$root_dev",format=raw,if=virtio,cache=none \
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-drive file="$blockdev",format=raw,if=virtio,cache=none \
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| 109 | 116 |
-boot c -serial stdio -serial file:"$result_file" \ |
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-fda "$floppy" -vga none -nographic -parallel none -monitor null \ |
| 111 | 118 |
-kernel "$HELPER_KERNEL" -initrd "$HELPER_INITRD" \ |
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