diskimage-builder/elements/ubuntu/root.d/10-cache-ubuntu-tarball
Clint Byrum 5a69fa879e Make Ubuntu 13.04 (raring) the default release
Ubuntu 13.04 has been released now for 3 months. The updated libvirt,
openvswitch and kernel are all beneficial to various OpenStack components,
and many other software is updated beyond the versions in Ubuntu 12.10.

Change-Id: I358aed8bf906c3ff5103f19b1f9e6ac689b5d5ee
2013-07-29 17:02:23 -07:00

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#!/bin/bash
# These are useful, or at worst not harmful, for all images we build.
set -eu
[ -n "$ARCH" ]
[ -n "$TARGET_ROOT" ]
shopt -s extglob
IMG_PATH=~/.cache/image-create
DIB_CLOUD_IMAGES=${DIB_CLOUD_IMAGES:-http://cloud-images.ubuntu.com/}
DIB_RELEASE=${DIB_RELEASE:-raring}
BASE_IMAGE_FILE=${BASE_IMAGE_FILE:-$DIB_RELEASE-server-cloudimg-$ARCH-root.tar.gz}
SHA256SUMS=${SHA256SUMS:-https://${DIB_CLOUD_IMAGES##http?(s)://}/$DIB_RELEASE/current/SHA256SUMS}
CACHED_FILE=$IMG_PATH/$BASE_IMAGE_FILE
if [ -n "$DIB_OFFLINE" -a -f "$CACHED_FILE" ] ; then
echo "Not checking freshness of cached $CACHED_FILE."
else
echo "Fetching Base Image"
$TMP_HOOKS_PATH/bin/cache-url $SHA256SUMS $IMG_PATH/SHA256SUMS.ubuntu.$DIB_RELEASE.$ARCH
$TMP_HOOKS_PATH/bin/cache-url $DIB_CLOUD_IMAGES/$DIB_RELEASE/current/$BASE_IMAGE_FILE $CACHED_FILE
pushd $IMG_PATH
grep "$BASE_IMAGE_FILE" SHA256SUMS.ubuntu.$DIB_RELEASE.$ARCH | sha256sum --check -
popd
fi
# Extract the base image
sudo tar -C $TARGET_ROOT -xzf $IMG_PATH/$BASE_IMAGE_FILE
sudo rmdir $TARGET_ROOT/lost+found