mirror of
https://github.com/flatcar/scripts.git
synced 2025-08-09 14:06:58 +02:00
8f3fc749c2
With config drive there is no need to crack image to insert SSH keys. Then VirtualBox script was changed to just download CoreOS image and convert it to VDI format.
192 lines
7.6 KiB
Bash
Executable File
192 lines
7.6 KiB
Bash
Executable File
#!/bin/bash
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VERSION_ID=alpha
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USAGE="Usage: $0 [-V version] [-d /target/path]
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Options:
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-d DEST Create CoreOS VDI image to the given path.
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-V VERSION Version to install (e.g. alpha) [default: ${VERSION_ID}]
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-h This help
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This tool creates a CoreOS VDI image to be used with VirtualBox.
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"
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# Image signing key: buildbot@coreos.com
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GPG_LONG_ID="50E0885593D2DCB4"
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GPG_KEY="-----BEGIN PGP PUBLIC KEY BLOCK-----
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Version: GnuPG v2.0.20 (GNU/Linux)
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BeiJ6tEeDHDzdA==
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=4Qn0
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-----END PGP PUBLIC KEY BLOCK-----
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"
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while getopts "V:d:a:h" OPTION
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do
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case $OPTION in
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V) VERSION_ID="$OPTARG" ;;
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d) DEST="$OPTARG" ;;
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h) echo "$USAGE"; exit;;
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*) exit 1;;
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esac
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done
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# root user forbidden
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if [ $(id -u) -eq 0 ]; then
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echo "$0: This script should not be run as root." >&2
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exit 1
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fi
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# VirtualBox tools required
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which VBoxManage &>/dev/null
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if [ $? -ne 0 ]; then
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echo "$0: VBoxManage tool is required to convert image." >&2
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exit 1
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fi
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if [ -z "${DEST}" ]; then
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DEST=$PWD
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fi
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if [[ ! -d "${DEST}" ]]; then
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echo "$0: Target path (${DEST}) do not exists." >&2
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exit 1
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fi
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WORKDIR="${DEST}/tmp.${RANDOM}"
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mkdir "$WORKDIR"
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trap "rm -rf '${WORKDIR}'" EXIT
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RAW_IMAGE_NAME="coreos_production_image.bin"
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IMAGE_NAME="${RAW_IMAGE_NAME}.bz2"
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DIGESTS_NAME="${IMAGE_NAME}.DIGESTS.asc"
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BASE_URL="http://storage.core-os.net/coreos/amd64-usr/${VERSION_ID}"
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IMAGE_URL="${BASE_URL}/${IMAGE_NAME}"
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DIGESTS_URL="${BASE_URL}/${DIGESTS_NAME}"
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DOWN_IMAGE="${WORKDIR}/${RAW_IMAGE_NAME}"
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if ! wget --spider --quiet "${IMAGE_URL}"; then
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echo "$0: Image URL unavailable: $IMAGE_URL" >&2
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exit 1
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fi
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if ! wget --spider --quiet "${DIGESTS_URL}"; then
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echo "$0: Image signature unavailable: $DIGESTS_URL" >&2
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exit 1
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fi
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# Gets CoreOS verion from version.txt file
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VERSION_NAME="version.txt"
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VERSION_URL="${BASE_URL}/${VERSION_NAME}"
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wget --no-verbose -O "${WORKDIR}/${VERSION_NAME}" "${VERSION_URL}"
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. "${WORKDIR}/${VERSION_NAME}"
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VDI_IMAGE_NAME="coreos_production_${COREOS_BUILD}.${COREOS_BRANCH}.${COREOS_PATCH}.vdi"
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VDI_IMAGE="${DEST}/${VDI_IMAGE_NAME}"
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# Setup GnuPG for verifying the image signature
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export GNUPGHOME="${WORKDIR}/gnupg"
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mkdir "${GNUPGHOME}"
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gpg --batch --quiet --import <<<"$GPG_KEY"
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echo "Downloading and verifying ${IMAGE_NAME}..."
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wget --no-verbose -O "${WORKDIR}/${DIGESTS_NAME}" "${DIGESTS_URL}"
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if ! gpg --batch --trusted-key "${GPG_LONG_ID}" \
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--verify "${WORKDIR}/${DIGESTS_NAME}"
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then
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echo "$0: GPG signature verification failed for ${DIGESTS_NAME}" >&2
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exit 1
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fi
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wget -O "${WORKDIR}/${IMAGE_NAME}" "${IMAGE_URL}"
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# DIGESTS may include README and other extra files we don't need, filter them.
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# Also filter one hash at a time, not required but avoids warnings from *sum.
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for sum in sha1 sha512; do
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(cd "${WORKDIR}"
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grep -i -A1 "^# ${sum} HASH$" "${WORKDIR}/${DIGESTS_NAME}" \
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| grep "${IMAGE_NAME}$" | ${sum}sum -c /dev/stdin)
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done
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echo "Writing ${IMAGE_NAME} to ${DOWN_IMAGE}..."
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bzcat -v --stdout "${WORKDIR}/${IMAGE_NAME}" >"${DOWN_IMAGE}"
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echo "Converting ${RAW_IMAGE_NAME} to VirtualBox format..."
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VBoxManage convertdd ${DOWN_IMAGE} ${VDI_IMAGE} --format VDI
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rm -rf "${WORKDIR}"
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trap - EXIT
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echo "Success! CoreOS ${VERSION_ID} VDI image was created on ${VDI_IMAGE_NAME}"
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# vim: ts=4 et
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