openstack/ironic-python-agent
Code Issues Proposed changes

Fixes config drive creation failure in UEFI boot mode

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This fix enables creation of config drive for UEFI only whole disk
images.
It will not work with the hybrid images that support booting in BIOS
and UEFI boot mode.

Change-Id: Ib4dd8c082a50e1dbaf0df91477b062716cb780ff
Closes-Bug: #1486887
Depends-On: I81400305f166d62aa4612aab54602abb8178b64c
This commit is contained in:
Shivanand Tendulker 2015-08-20 03:19:14 -07:00 committed by Jim Rollenhagen
parent 19d21eb999
commit 2d341c7f0d
2 changed files with 37 additions and 7 deletions
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2
Dockerfile
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@ -13,7 +13,7 @@ RUN echo 'APT::Default-Release "jessie";' > /etc/apt/apt.conf.d/10default && \
# image on disk
RUN apt-get update && \
apt-get -y upgrade && \
apt-get install -y --no-install-recommends python2.7 python2.7-dev \
apt-get install -y --no-install-recommends gdisk python2.7 python2.7-dev \
python-pip qemu-utils parted hdparm util-linux genisoimage git gcc \
bash coreutils tgt dmidecode ipmitool && \
apt-get --only-upgrade -t testing install -y qemu-utils

42
ironic_python_agent/shell/copy_configdrive_to_disk.sh
View File

@ -35,6 +35,8 @@ usage() {
exit 1
}
MAX_DISK_PARTITIONS=128
CONFIGDRIVE="$1"
DEVICE="$2"
@ -57,13 +59,41 @@ if [[ $? == 0 ]]; then
log "Existing configdrive found on ${DEVICE} at ${EXISTING_PARTITION}"
ISO_PARTITION=$EXISTING_PARTITION
else
# Create small partition at the end of the device
log "Adding configdrive partition to $DEVICE"
parted -a optimal -s -- $DEVICE mkpart primary ext2 -64MiB -0 || fail "creating configdrive on ${DEVICE}"
# Find partition we just created
# Dump all partitions, ignore empty ones, then get the last partition ID
ISO_PARTITION=`sfdisk --dump $DEVICE | grep -v ' 0,' | tail -n1 | awk '{print $1}'` || fail "finding ISO partition created on ${DEVICE}"
# Check if it is GPT partition and needs to be re-sized
partprobe $DEVICE print 2>&1 | grep "fix the GPT to use all of the space"
if [[ $? == 0 ]]; then
log "Fixing GPT to use all of the space on device $DEVICE"
sgdisk -e $DEVICE || fail "move backup GPT data structures to the end of ${DEVICE}"
# Need to create new partition for config drive
# Not all images have partion numbers in a sequential numbers. There are holes.
# These holes get filled up when a new partition is created.
TEMP_DIR="$(mktemp -d)"
EXISTING_PARTITION_LIST=$TEMP_DIR/existing_partitions
UPDATED_PARTITION_LIST=$TEMP_DIR/updated_partitions
gdisk -l $DEVICE | grep -A$MAX_DISK_PARTITIONS "Number Start" | grep -v "Number Start" > $EXISTING_PARTITION_LIST
# Create small partition at the end of the device
log "Adding configdrive partition to $DEVICE"
sgdisk -n 0:-64MB:0 $DEVICE || fail "creating configdrive on ${DEVICE}"
gdisk -l $DEVICE | grep -A$MAX_DISK_PARTITIONS "Number Start" | grep -v "Number Start" > $UPDATED_PARTITION_LIST
CONFIG_PARTITION_ID=`diff $EXISTING_PARTITION_LIST $UPDATED_PARTITION_LIST | tail -n1 |awk '{print $2}'`
ISO_PARTITION="${DEVICE}${CONFIG_PARTITION_ID}"
else
log "Working on MBR only device $DEVICE"
# Create small partition at the end of the device
log "Adding configdrive partition to $DEVICE"
parted -a optimal -s -- $DEVICE mkpart primary ext2 -64MiB -0 || fail "creating configdrive on ${DEVICE}"
# Find partition we just created
# Dump all partitions, ignore empty ones, then get the last partition ID
ISO_PARTITION=`sfdisk --dump $DEVICE | grep -v ' 0,' | tail -n1 | awk '{print $1}'` || fail "finding ISO partition created on ${DEVICE}"
fi
fi
# This writes the ISO image to the config drive.