diff options
Diffstat (limited to 'doc/ovf/make-iso')
| -rwxr-xr-x | doc/ovf/make-iso | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/doc/ovf/make-iso b/doc/ovf/make-iso new file mode 100755 index 00000000..91d0e2e5 --- /dev/null +++ b/doc/ovf/make-iso @@ -0,0 +1,156 @@ +#!/bin/bash + +VERBOSITY=0 +PROPERTIES=( instance-id hostname user-data seedfrom ) +DEFAULTS=( "i-ovfdemo00" "ovfdemo.localdomain" "" "" ) + +DEF_OUTPUT="ovftransport.iso" +TEMP_D="" + +error() { echo "$@" 1>&2; } +fail() { [ $# -eq 0 ] || error "$@"; exit 1; } + +# propvalue(name, value) +propvalue() { + local prop="" val="$2" i=0 + for prop in "${PROPERTIES[@]}"; do + if [ "$prop" = "$1" ]; then + [ $# -eq 1 ] || DEFAULTS[$i]="$2" + _RET=${DEFAULTS[$i]} + return + fi + i=$(($i+1)) + done + return +} + +Usage() { + cat <<EOF +Usage: ${0##*/} ovf-env.xml.tmpl [user-data-file] + + create an an ovf transport iso with ovf-env.xml.tmpl + as ovf-env.xml on the iso. + + if user-data-file is given, the file's contents will be base64 encoded + and stuffed inside ovf-env.xml. This will override the '--user-data' + argument. + + options: + -o | --output OUTPUT write output to OUTPUT [default: $DEF_OUTPUT] + -v | --verbose increase verbosity + +EOF + local i="" + for i in "${PROPERTIES[@]}"; do + propvalue "$i" + printf "%10s--%-17s%s\n" "" "$i" "set $i. [default: '$_RET']" + done + cat <<EOF + + Example: + $ ${0##*/} --hostname "foobar.mydomain" ovf-env.xml.tmpl user-data + +EOF +} + +bad_Usage() { Usage 1>&2; [ $# -eq 0 ] || error "$@"; exit 1; } +cleanup() { + [ -z "${TEMP_D}" -o ! -d "${TEMP_D}" ] || rm -Rf "${TEMP_D}" +} + +debug() { + local level=${1}; shift; + [ "${level}" -ge "${VERBOSITY}" ] && return + error "${@}" +} + +short_opts="ho:v" +long_opts="help,output:,verbose" +for i in "${PROPERTIES[@]}"; do + long_opts="$long_opts,$i:" +done +getopt_out=$(getopt --name "${0##*/}" \ + --options "${short_opts}" --long "${long_opts}" -- "$@") && + eval set -- "${getopt_out}" || + bad_Usage + +## <<insert default variables here>> +output="${DEF_OUTPUT}" +user_data="" + +while [ $# -ne 0 ]; do + cur=${1}; next=${2}; + case "$cur" in + -h|--help) Usage ; exit 0;; + -o|--output) output=${2}; shift;; + -v|--verbose) VERBOSITY=$((${VERBOSITY}+1));; + --) shift; break;; + --*) + for i in "${PROPERTIES[@]}" _none_; do + [ "${cur#--}" == "$i" ] || continue + [ "$i" != "user-data" ] || + next=$(echo "$next" | base64 --wrap=0) || + fail "failed to base64 encode userdata" + propvalue "$i" "$next" + break + done + [ "$i" = "_none_" ] && bad_Usage "confused by $cur" + ;; + esac + shift; +done + +[ $# -eq 1 -o $# -eq 2 ] || + bad_Usage "wrong number of arguments" + +env_tmpl="$1" +ud_file="$2" + +[ -f "$env_tmpl" ] || bad_Usage "$env_tmpl: not a file" +[ -z "$ud_file" -o -f "$ud_file" ] || + bad_Usage "$ud_file: not a file" + +TEMP_D=$(mktemp -d "${TMPDIR:-/tmp}/${0##*/}.XXXXXX") || + fail "failed to make tempdir" +trap cleanup EXIT + +mkdir "$TEMP_D/iso" && iso_d="$TEMP_D/iso" || + fail "failed to make a tempdir?" +ovf_env="$TEMP_D/iso/ovf-env.xml" + +if [ -n "$ud_file" ]; then + user_data=$(base64 --wrap=0 "$ud_file") || + fail "failed to base64 encode $ud_file. Do you have base64 installed?" + propvalue user-data "$user_data" +fi + +changes=( ) +for i in "${PROPERTIES[@]}"; do + changes[${#changes[@]}]="-e" + propvalue "$i" + changes[${#changes[@]}]="s|@@$i@@|$_RET|g" +done + +sed "${changes[@]}" "$env_tmpl" > "$ovf_env" || + fail "failed to replace string in $env_tmpl" + +if [ "${#changes[@]}" -ne 0 ]; then + cmp "$ovf_env" "$env_tmpl" >/dev/null && + fail "nothing replaced in $ovf_env. template is identical to output" +fi + +debug 1 "creating iso with: genisoimage -o tmp.iso -r iso" +( cd "$TEMP_D" && + genisoimage -V OVF-TRANSPORT -o tmp.iso -r iso 2>/dev/null ) || + fail "failed to create iso. do you have genisoimage?" + +if [ "$output" = "-" ]; then + cat "$TEMP_D/tmp.iso" +else + cp "$TEMP_D/tmp.iso" "$output" || + fail "failed to write to $output" +fi + +error "wrote iso to $output" +exit 0 +# vi: ts=4 noexpandtab |