diff --git a/elements/partitioning-sfdisk/README.rst b/elements/partitioning-sfdisk/README.rst new file mode 100644 index 000000000..8528e04d1 --- /dev/null +++ b/elements/partitioning-sfdisk/README.rst @@ -0,0 +1,19 @@ +=================== +partitioning-sfdisk +=================== +Sets up a partitioned disk using sfdisk, according to user needs. + +Environment Variables +--------------------- +DIB_PARTITIONING_SFDISK_SCHEMA + : Required: Yes + : Default: 2048,,L * + 0 0; + 0 0; + 0 0; + : Description: A multi-line string specifying a disk schema in sectors. + : Example: ``DIB_PARTITIONING_SFDISK_SCHEMA=" + 2048,10000,L * + 10248,,L + 0 0; + " will create two partitions on disk, first one will be bootable. diff --git a/elements/partitioning-sfdisk/block-device.d/10-partitioning-sfdisk b/elements/partitioning-sfdisk/block-device.d/10-partitioning-sfdisk new file mode 100755 index 000000000..447f23a0e --- /dev/null +++ b/elements/partitioning-sfdisk/block-device.d/10-partitioning-sfdisk @@ -0,0 +1,45 @@ +#!/bin/bash + +if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then + set -x +fi +set -eu +set -o pipefail + +# sanity checks +source $_LIB/die +[ -n "$IMAGE_BLOCK_DEVICE" ] || die "Image block device not set" + +# execute sfdisk with the given partitioning schema +sudo sfdisk -uS --force $IMAGE_BLOCK_DEVICE <<EOF +$DIB_PARTITIONING_SFDISK_SCHEMA +EOF +sudo partprobe $IMAGE_BLOCK_DEVICE + +# To ensure no race conditions exist from calling partprobe +sudo udevadm settle + +# If the partition isn't under /dev/loop*p1, create it with kpartx +DM= +if [ ! -e "${IMAGE_BLOCK_DEVICE}p1" ]; then + DM=${IMAGE_BLOCK_DEVICE/#\/dev/\/dev\/mapper} + # If running inside Docker, make our nodes manually, because udev will not be working. + if [ -f /.dockerenv ]; then + # kpartx cannot run in sync mode in docker. + sudo kpartx -av $TMP_IMAGE_PATH + sudo dmsetup --noudevsync mknodes + else + sudo kpartx -asv $TMP_IMAGE_PATH + fi +elif [[ "$ARCH" =~ "ppc" ]]; then + sudo kpartx -asv $TMP_IMAGE_PATH +fi + +if [ -n "$DM" ]; then + echo "IMAGE_BLOCK_DEVICE=${DM}p1" +elif [[ "$ARCH" =~ "ppc" ]]; then + DM=${IMAGE_BLOCK_DEVICE/#\/dev/\/dev\/mapper} + echo "IMAGE_BLOCK_DEVICE=${DM}p2" +else + echo "IMAGE_BLOCK_DEVICE=${IMAGE_BLOCK_DEVICE}p1" +fi diff --git a/elements/partitioning-sfdisk/environment.d/10-partitioning-sfdisk b/elements/partitioning-sfdisk/environment.d/10-partitioning-sfdisk new file mode 100644 index 000000000..03d62bf7c --- /dev/null +++ b/elements/partitioning-sfdisk/environment.d/10-partitioning-sfdisk @@ -0,0 +1,5 @@ +DEFAULT_SCHEMA="2048 + L * + 0 0; + 0 0; + 0 0;" +export DIB_PARTITIONING_SFDISK_SCHEMA=${DIB_PARTITIONING_SFDISK_SCHEMA:-$DEFAULT_SCHEMA} diff --git a/elements/partitioning-sfdisk/finalise.d/50-partitioning-remove-bogus-udev-links b/elements/partitioning-sfdisk/finalise.d/50-partitioning-remove-bogus-udev-links new file mode 100755 index 000000000..10bf1204d --- /dev/null +++ b/elements/partitioning-sfdisk/finalise.d/50-partitioning-remove-bogus-udev-links @@ -0,0 +1,12 @@ +#!/bin/bash + +if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then + set -x +fi +set -eu +set -o pipefail + +if [ $DISTRO_NAME = 'opensuse' ] ; then + # workaround for https://bugzilla.novell.com/show_bug.cgi?id=859493 + rm -f /dev/mapper/loop*_part1 +fi