Merge "Create new partitioning-sfdisk element."
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commit
2a10525efe
19
elements/partitioning-sfdisk/README.rst
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19
elements/partitioning-sfdisk/README.rst
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===================
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partitioning-sfdisk
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===================
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Sets up a partitioned disk using sfdisk, according to user needs.
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Environment Variables
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---------------------
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DIB_PARTITIONING_SFDISK_SCHEMA
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: Required: Yes
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: Default: 2048,,L *
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0 0;
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0 0;
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0 0;
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: Description: A multi-line string specifying a disk schema in sectors.
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: Example: ``DIB_PARTITIONING_SFDISK_SCHEMA="
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2048,10000,L *
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10248,,L
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0 0;
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" will create two partitions on disk, first one will be bootable.
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45
elements/partitioning-sfdisk/block-device.d/10-partitioning-sfdisk
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elements/partitioning-sfdisk/block-device.d/10-partitioning-sfdisk
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#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-0} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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# sanity checks
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source $_LIB/die
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[ -n "$IMAGE_BLOCK_DEVICE" ] || die "Image block device not set"
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# execute sfdisk with the given partitioning schema
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sudo sfdisk -uS --force $IMAGE_BLOCK_DEVICE <<EOF
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$DIB_PARTITIONING_SFDISK_SCHEMA
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EOF
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sudo partprobe $IMAGE_BLOCK_DEVICE
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# To ensure no race conditions exist from calling partprobe
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sudo udevadm settle
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# If the partition isn't under /dev/loop*p1, create it with kpartx
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DM=
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if [ ! -e "${IMAGE_BLOCK_DEVICE}p1" ]; then
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DM=${IMAGE_BLOCK_DEVICE/#\/dev/\/dev\/mapper}
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# If running inside Docker, make our nodes manually, because udev will not be working.
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if [ -f /.dockerenv ]; then
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# kpartx cannot run in sync mode in docker.
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sudo kpartx -av $TMP_IMAGE_PATH
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sudo dmsetup --noudevsync mknodes
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else
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sudo kpartx -asv $TMP_IMAGE_PATH
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fi
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elif [[ "$ARCH" =~ "ppc" ]]; then
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sudo kpartx -asv $TMP_IMAGE_PATH
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fi
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if [ -n "$DM" ]; then
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echo "IMAGE_BLOCK_DEVICE=${DM}p1"
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elif [[ "$ARCH" =~ "ppc" ]]; then
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DM=${IMAGE_BLOCK_DEVICE/#\/dev/\/dev\/mapper}
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echo "IMAGE_BLOCK_DEVICE=${DM}p2"
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else
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echo "IMAGE_BLOCK_DEVICE=${IMAGE_BLOCK_DEVICE}p1"
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fi
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DEFAULT_SCHEMA="2048 + L *
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0 0;
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0 0;
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0 0;"
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export DIB_PARTITIONING_SFDISK_SCHEMA=${DIB_PARTITIONING_SFDISK_SCHEMA:-$DEFAULT_SCHEMA}
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#!/bin/bash
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if [ ${DIB_DEBUG_TRACE:-1} -gt 0 ]; then
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set -x
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fi
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set -eu
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set -o pipefail
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if [ $DISTRO_NAME = 'opensuse' ] ; then
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# workaround for https://bugzilla.novell.com/show_bug.cgi?id=859493
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rm -f /dev/mapper/loop*_part1
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fi
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