eucalyptus-service-image-post.sh.in

#!/bin/bash
# Post base image creation steps
#
# The base image should not have any eucalyptus build specific content
# the post step will customize the image.
#
set -euxo pipefail

# Config
IMAGE_PATH="${1:-eucalyptus-service-image.raw}"
IMAGE_MOUNT="${IMAGE_MOUNT:-/tmp/image}"
REPO_BASE="${REPO_BASE:-@BASE_MIRROR@}"
REPO_UPDATES="${REPO_UPDATES:-@UPDATES_MIRROR@}"
REPO_EPEL="${REPO_EPEL:-@EPEL_MIRROR@}"
REPO_EUCALYPTUS="${REPO_EUCALYPTUS:-@EUCALYPTUS_MIRROR@}"
REPO_EUCA2OOLS="${REPO_EUCA2OOLS:-@EUCA2OOLS_MIRROR@}"

# Image setup
LOOP_DEVICE=$(losetup --find)
MAPPER_P1_DEVICE="/dev/mapper/${LOOP_DEVICE##/dev/}p1"

image_post_cleanup ()
{
  umount "${IMAGE_MOUNT}/tmp"             || true
  umount "${IMAGE_MOUNT}/dev"             || true
  umount "${IMAGE_MOUNT}/etc/resolv.conf" || true
  umount "${IMAGE_MOUNT}"                 || true
  kpartx -d "${LOOP_DEVICE}"              || true
  losetup -d "${LOOP_DEVICE}"             || true
}
trap image_post_cleanup EXIT

[ -e "${LOOP_DEVICE}" ] || for N in {0..7}; do mknod /dev/loop$N -m0660 b 7 $N; done
losetup "${LOOP_DEVICE}" "${IMAGE_PATH}"
kpartx -a "${LOOP_DEVICE}"
[ -e "${IMAGE_MOUNT}" ] || mkdir -p "${IMAGE_MOUNT}"
mount "${MAPPER_P1_DEVICE}" "${IMAGE_MOUNT}"
mount -o bind "/dev" "${IMAGE_MOUNT}/dev"
mount -o ro,bind "/etc/resolv.conf" "${IMAGE_MOUNT}/etc/resolv.conf"
mount -t tmpfs -o size=512m tmpfs "${IMAGE_MOUNT}/tmp"

# Download service packages for installation at runtime
cat >> "${IMAGE_MOUNT}/tmp/yum-tmp.conf" <<EOF
[main]
keepcache=0
exactarch=1
obsoletes=1
plugins=0
distroverpkg=centos-release
debuglevel=2
logfile=/dev/null
reposdir=/dev/null

[base]
name=base
baseurl=${REPO_BASE}
enabled=1

[updates]
name=updates
baseurl=${REPO_UPDATES}
enabled=1

[epel]
name=epel
baseurl=${REPO_EPEL}
enabled=1

[eucalyptus]
name=eucalyptus
baseurl=${REPO_EUCALYPTUS}
enabled=1

[euca2ools]
name=euca2ools
baseurl=${REPO_EUCA2OOLS}
enabled=1
EOF

chroot "${IMAGE_MOUNT}" yumdownloader --resolve --config=/tmp/yum-tmp.conf --destdir=/var/lib/eucalyptus-service-image/packages eucalyptus-imaging-worker load-balancer-servo euca2ools
chroot "${IMAGE_MOUNT}" createrepo /var/lib/eucalyptus-service-image/packages

# Configure service packages repository
cat > "${IMAGE_MOUNT}/etc/yum.repos.d/eucalyptus-service-image.repo" << "EOF"
[eucalyptus-service-image]
name=Eucalyptus Service Image Packages - $basearch
baseurl=file:///var/lib/eucalyptus-service-image/packages
enabled=1
gpgcheck=0
skip_if_unavailable=1
EOF

rm -rf "${IMAGE_MOUNT}/var/lib/yum/uuid"
rm -rf "${IMAGE_MOUNT}/var/cache/yum/"*