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#!/bin/bash
# vi: ts=4 noexpandtab
TMPD=""
error() { echo "$@" 1>&2; }
errorp() { printf "$@" 1>&2; }
fail() { [ $# -eq 0 ] || error "$@"; exit 1; }
failp() { [ $# -eq 0 ] || errorp "$@"; exit 1; }
Usage() {
cat <<EOF
Usage: ${0##*/} [ options ] bucket/manifest
Remove 'manifest' and associated part files from s3 bucket 'bucket'
-n | --dry-run perform a dry run
-s | --safe check ec2 for registered image before deleting
-v | --verbose increase verbosity
*** Note ***
You likely do not want this tool, at least not without '--safe'
Please use remove-image, or remove-build which are safer
EOF
}
bad_Usage() { Usage 1>&2; [ $# -eq 0 ] || error "$@"; exit 1; }
cleanup() {
[ -n "${TMPD}" -a -d "${TMPD}" ] && rm -Rf "${TMPD}"
return 0
}
short_opts="nsv"
long_opts="dry-run,message-label:,safe,unpub-path:,verbose"
getopt_out=$(getopt --name "${0##*/}" \
--options "${short_opts}" --long "${long_opts}" -- "$@") &&
eval set -- "${getopt_out}" ||
bad_Usage
VERBOSITY=0
dry_run=0
safe=0
unpub=""
label=""
while [ $# -ne 0 ]; do
cur=${1}; next=${2};
case "$cur" in
--) shift; break;;
-n|--dry-run) dry_run=1;;
--unpub-path) unpub=${next}; shift;;
--message-label) label="${next}"; shift;;
-s|--safe) safe=1;;
-v|--verbose)
VERBOSITY=$((${VERBOSITY}+1));;
esac
shift;
done
manif=${1}
[ $# -gt 1 ] && bad_Usage "to many arguments given"
[ $# -lt 1 ] && bad_Usage "must provide bucket/manifest"
manif=${manif#s3://}
bucket=${manif%%/*}
TMPD=$(mktemp -d ${TMPDIR:-/tmp}/${0##*/}.XXXXXX) ||
fail "failed to make temp file"
trap cleanup EXIT
tmpmf="${TMPD}/${manif##*/}"
xc2 s3cmd get "s3://${manif}" - > "${tmpmf}" ||
fail "failed to get ${manif} from s3"
if [ "${safe}" -ne 0 ]; then
regions=$(xc2 bucket2regions "${bucket}" ) ||
fail "failed to get regions for ${bucket}"
list=""
for region in ${regions}; do
imdata="${TMPD}/images-${region}"
xc2 ximages describe-images --all --region "$region" > "$imdata" ||
fail "failed to query ${region} for images"
id=$(awk '$3 == manif { print $2 }' "manif=${manif}" "${imdata}" ) &&
[ -z "${id}" ] || list="${list:+${list} }${region}:${id}"
done
if [ -n "${list}" ]; then
error "${manif} is registered in ec2"
for x in ${list}; do
errorp "\t%s\n" "${x}"
done
fail
fi
fi
[ -z "${unpub}" ] && unpub="${manif}.unpublished"
xc2 s3cmd get "s3://${unpub}" - > "${TMPD}/unpublished" 2>/dev/null || unpub=""
if [ "${dry_run}" -eq 1 ]; then
error "delete ${label:+${label} }${manif}${unpub:+, ${unpub}}"
else
out=$(xc2 delete-bundle --yes --retry --bucket "${bucket}" \
--manifest "${tmpmf}" 2>&1) ||
failp "%s\n %s\n" "${out}" "failed to delete ${manif}"
{ [ -z "${unpub}" ] || xc2 s3cmd del "s3://${unpub}" ; } ||
fail "failed to remove ${unpub} from s3"
echo "deleted ${label:+${label} }${manif}"
fi
exit 0
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