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author | Sven Gothel <[email protected]> | 2021-06-28 02:28:10 +0200 |
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committer | Sven Gothel <[email protected]> | 2021-06-28 02:28:10 +0200 |
commit | 4e49e1a9b6c064baf8be7060a025aa8ebd92ee7b (patch) | |
tree | 873046b770183fc9b169f98ab61788e419714a5f /scripts | |
parent | 0616b70be7424890a7cb9bb8c9bb7fbec2939e34 (diff) |
ro: export the raw image of rootfs (export-image, qcow2_handling's make_bootable_image); Use gzip if `DEPLOY_ZIP == 1`
Writing out the rootfs as a raw image,
we simply use the new `connect_raw_blkdev` on the finalized raw image
and dd the partition using the fs's block-size into a file.
Diffstat (limited to 'scripts')
-rw-r--r-- | scripts/qcow2_handling | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/scripts/qcow2_handling b/scripts/qcow2_handling index 4c146e0..0707f16 100644 --- a/scripts/qcow2_handling +++ b/scripts/qcow2_handling @@ -235,11 +235,40 @@ function resize_qcow2() { } export -f resize_qcow2 +function write_partitions_qcow2() { + if [ -z "$CALL_FROM_MBI" ]; then + echo "write_partitions_qcow2: cannot be called directly, use make_bootable_image instead" + return 1 + fi + local map_dev + local block_size + local img_file + local inf_file + map_dev=$1 + block_size=$2 + img_file=$3 + inf_file=$4 + + # 1 boot (512), 2 data (4096), 3 rootfs1 (4096), 4 rootfs2 (4096) + # + echo "Blocksize $block_size" >> $inf_file + + echo "Copy partition image $map_dev -> image $img_file with blocksize $block_size" | tee -a $inf_file + dd if=$map_dev of=$img_file bs=$block_size 2>&1 | tee -a $inf_file +} +export -f write_partitions_qcow2 + # create raw img from qcow2: make_bootable_image <in.qcow2> <out.img> function make_bootable_image() { EXPORT_QCOW2="$1" EXPORT_IMAGE="$2" + EXPORT_IMAGE_ROOT="$3" + EXPORT_INFO_ROOT="$4" + #EXPORT_IMAGE_BOOT="$5" + #EXPORT_INFO_BOOT="$6" + #EXPORT_IMAGE_DATA="$7" + #EXPORT_INFO_DATA="$8" echo "Connect block device to source qcow2" connect_blkdev "${EXPORT_QCOW2}" @@ -300,6 +329,21 @@ function make_bootable_image() { sync umount_image $MOUNTROOT + echo "Extracting partitions - Writing partitions from ${EXPORT_IMAGE}" + connect_raw_blkdev "${EXPORT_IMAGE}" + + CALL_FROM_MBI=1 + # 1 boot (512), 2 data (4096), 3 rootfs1 (4096), 4 rootfs2 (4096) + echo "Extract partitions to raw image" + write_partitions_qcow2 $MAP_ROOT_DEV $(e2fs_block_size $MAP_ROOT_DEV) $EXPORT_IMAGE_ROOT $EXPORT_INFO_ROOT + #write_partitions_qcow2 $MAP_BOOT_DEV 512 $EXPORT_IMAGE_BOOT $EXPORT_INFO_BOOT + #write_partitions_qcow2 $MAP_DATA_DEV $(e2fs_block_size $MAP_DATA_DEV) $EXPORT_IMAGE_DATA $EXPORT_INFO_DATA + sync + CALL_FROM_MBI= + + echo "Disconnect block device" + disconnect_blkdev + echo "Remove qcow2 export image" rm -f "${EXPORT_QCOW2}" } |