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Fixed authorized_keys file creation

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Fix to create .ssh directory before the authorized_keys file.
The option -k renamed to -a to match another scripts.
Added verification if the VBoxManage exists.
This commit is contained in:
Fabrício Godoy 2014-04-04 02:04:52 -03:00
parent 6bdaf88b80
commit 431d71a90f
1 changed files with 31 additions and 13 deletions
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42
contrib/create-coreos-vdi.sh
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@ -1,13 +1,15 @@
#!/bin/bash #!/bin/bash
VERSION_ID=alpha VERSION_ID=alpha
SSH_KEY="" SSH_KEYS=""
CORE_UID=500
CORE_GID=500
USAGE="Usage: $0 [-V version] [-d /target/path] [-k /path/id_rsa.pub] USAGE="Usage: $0 [-V version] [-d /target/path] [-a authorized_keys]
Options: Options:
-d DEST Create CoreOS VDI image to the given path. -d DEST Create CoreOS VDI image to the given path.
-V VERSION Version to install (e.g. alpha) [default: ${VERSION_ID}] -V VERSION Version to install (e.g. alpha) [default: ${VERSION_ID}]
-k SSH_KEY SSH public key file to be added to authorized_keys. -a FILE SSH public keys for login access. [~/.ssh/id_{dsa,rsa}.pub]
-h This help -h This help
This tool creates a CoreOS VDI image to be used with VirtualBox. This tool creates a CoreOS VDI image to be used with VirtualBox.
@ -92,12 +94,12 @@ BeiJ6tEeDHDzdA==
-----END PGP PUBLIC KEY BLOCK----- -----END PGP PUBLIC KEY BLOCK-----
" "
while getopts "V:d:k:h" OPTION while getopts "V:d:a:h" OPTION
do do
case $OPTION in case $OPTION in
V) VERSION_ID="$OPTARG" ;; V) VERSION_ID="$OPTARG" ;;
d) DEST="$OPTARG" ;; d) DEST="$OPTARG" ;;
k) SSH_KEY="$OPTARG" ;; a) SSH_KEYS="$OPTARG" ;;
h) echo "$USAGE"; exit;; h) echo "$USAGE"; exit;;
*) exit 1;; *) exit 1;;
esac esac
@ -109,16 +111,25 @@ if [ $(id -u) -ne 0 ]; then
exit 1 exit 1
fi fi
# SSH key is required # VirtualBox tools required
if [[ -z "${SSH_KEY}" ]]; then which VBoxManage &>/dev/null
echo "$0: No SSH key provided." >&2 if [ $? -ne 0 ]; then
echo "$0: VBoxManage tool is required to convert image." >&2
exit 1 exit 1
fi fi
if [[ ! -f "${SSH_KEY}" ]]; then # Verify provided keys file
echo "$0: SSH key file (${SSH_KEY}) do not exists." >&2 if [[ -n "${SSH_KEYS}" ]]; then
if [[ ! -f "${SSH_KEYS}" ]]; then
echo "$0: SSH keys file not found: ${SSH_KEYS}." >&2
exit 1 exit 1
fi fi
else
# SSH keys file was not provided, setting to default
SSH_KEYS=~/.ssh/id_*.pub
fi
if [[ ! -d "${DEST}" ]]; then if [[ ! -d "${DEST}" ]]; then
echo "$0: Target path (${DEST}) do not exists." >&2 echo "$0: Target path (${DEST}) do not exists." >&2
@ -187,15 +198,22 @@ if [[ -z "${PART_OFFSET}" ]]; then
fi fi
MOUNT_DEST="${WORKDIR}/rootfs" MOUNT_DEST="${WORKDIR}/rootfs"
AUTHORIZED_KEYS="${MOUNT_DEST}/home/core/.ssh/authorized_keys" CORE_SSH_DIR="${MOUNT_DEST}/home/core/.ssh"
AUTHORIZED_KEYS="${CORE_SSH_DIR}/authorized_keys"
echo "Adding SSH key to authorized keys file..." echo "Adding SSH key to authorized keys file..."
mkdir -p "${MOUNT_DEST}" mkdir -p "${MOUNT_DEST}"
mount -t btrfs -o loop,offset=${PART_OFFSET},subvol=root "${DOWN_IMAGE}" "${MOUNT_DEST}" mount -t btrfs -o loop,offset=${PART_OFFSET},subvol=root "${DOWN_IMAGE}" "${MOUNT_DEST}"
trap "umount '${MOUNT_DEST}' && rm -rf '${WORKDIR}'" EXIT trap "umount '${MOUNT_DEST}' && rm -rf '${WORKDIR}'" EXIT
cat "${SSH_KEY}" > ${AUTHORIZED_KEYS} if [ ! -d "${CORE_SSH_DIR}" ]; then
mkdir -p ${CORE_SSH_DIR}
chmod 0600 ${CORE_SSH_DIR}
fi
cat ${SSH_KEYS} > ${AUTHORIZED_KEYS}
chmod 0600 ${AUTHORIZED_KEYS} chmod 0600 ${AUTHORIZED_KEYS}
chown -R $CORE_UID:$CORE_GID "${CORE_SSH_DIR}"
umount "${MOUNT_DEST}" umount "${MOUNT_DEST}"