Merge "[lib.sh] Split into multiple files for readability"

[fuel.git] / mcp / scripts / create-config-drive.sh

diff --git a/mcp/scripts/create-config-drive.sh b/mcp/scripts/create-config-drive.sh
index df3f72f..4b22b27 100755 (executable)
--- a/mcp/scripts/create-config-drive.sh
+++ b/mcp/scripts/create-config-drive.sh
@@ -1,19 +1,29 @@
-#!/bin/bash
+#!/bin/bash -e
+##############################################################################
+# Copyright (c) 2017 Mirantis Inc. and others.
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
 
 # This will generate a openstack-style config drive image suitable for
 # use with cloud-init.  You may optionally pass in an ssh public key
 # (using the -k/--ssh-key option) and a user-data blog (using the
 # -u/--user-data option).
 
+CI_DEBUG=${CI_DEBUG:-0}; [[ "${CI_DEBUG}" =~ (false|0) ]] || set -x
+
 usage () {
        echo "usage: ${0##*/}: [--ssh-key <pubkey>] [--vendor-data <file>] [--user-data <file>] [--hostname <hostname>] <imagename>"
 }
 
 ARGS=$(getopt \
        -o k:u:v:h: \
-       --long help,hostname:,ssh-key:,user-data:,vendor-data: -n ${0##*/} \
+       --long help,hostname:,ssh-key:,user-data:,vendor-data: -n "${0##*/}" \
        -- "$@")
 
+# shellcheck disable=SC2181
 if [ $? -ne 0 ]; then
        usage >&2
        exit 2
@@ -52,51 +62,51 @@ done
 config_image=$1
 shift
 
-if [ "$ssh_key" ] && [ -f "$ssh_key" ]; then
-       echo "adding pubkey from $ssh_key"
-       ssh_key_data=$(cat "$ssh_key")
+if [ "${ssh_key}" ] && [ -f "${ssh_key}" ]; then
+       echo "adding pubkey from ${ssh_key}"
+       ssh_key_data=$(cat "${ssh_key}")
 fi
 
 uuid=$(uuidgen)
-if ! [ "$hostname" ]; then
-       hostname="$uuid"
+if ! [ "${hostname}" ]; then
+       hostname="${uuid}"
 fi
 
 trap 'rm -rf $config_dir' EXIT
 config_dir=$(mktemp -t -d configXXXXXX)
 
-if [ "$user_data" ] && [ -f "$user_data" ]; then
-       echo "adding user data from $user_data"
-       cp ${user_data} ${config_dir}/user-data
+if [ "${user_data}" ] && [ -f "${user_data}" ]; then
+       echo "adding user data from ${user_data}"
+       cp "${user_data}" "${config_dir}/user-data"
 else
-       touch $config_dir/user-data
+       touch "${config_dir}/user-data"
 fi
 
-if [ "$vendor_data" ] && [ -f "$vendor_data" ]; then
-       echo "adding vendor data from $vendor_data"
-       cp ${vendor_data} ${config_dir}/vendor-data
+if [ "${vendor_data}" ] && [ -f "${vendor_data}" ]; then
+       echo "adding vendor data from ${vendor_data}"
+       cp "${vendor_data}" "${config_dir}/vendor-data"
 fi
 
-cat > $config_dir/meta-data <<-EOF
-instance-id: $uuid
-hostname: $hostname
-local-hostname: $hostname
+cat > "${config_dir}/meta-data" <<-EOF
+instance-id: ${uuid}
+hostname: ${hostname}
+local-hostname: ${hostname}
 EOF
 
-if [ "$ssh_key_data" ]; then
-       cat >> $config_dir/meta-data <<-EOF
+if [ "${ssh_key_data}" ]; then
+       cat >> "${config_dir}/meta-data" <<-EOF
        public-keys:
          - |
-           $ssh_key_data
+           ${ssh_key_data}
        EOF
 fi
 
 #PS1="debug> " bash --norc
 
-echo "generating configuration image at $config_image"
-if ! mkisofs -o $config_image -V cidata -r -J --quiet $config_dir; then
-       echo "ERROR: failed to create $config_image" >&2
+echo "generating configuration image at ${config_image}"
+if ! mkisofs -o "${config_image}" -V cidata -r -J --quiet "${config_dir}"; then
+       echo "ERROR: failed to create ${config_image}" >&2
        exit 1
 fi
-chmod a+r $config_image
+chmod a+r "${config_image}"