#!/usr/bin/env bash
#
## Deprecate old images except the latest one

set -e
set -x

opskit_path="$(cd "$(dirname "${BASH_SOURCE[0]}")"; pwd -P)"
source ${opskit_path}/lib/common.sh

if [[ -z $1 ]]; then
        echo "Missing image family name"
        exit 1;
fi

family=$1
## Get the latest image from family
latest_image=$(gcloud compute images describe-from-family "${family}" \
        --format='value(name)')
if [[ -z "${latest_image}" ]]; then
        echo "No ${family} image exists."
        exit 1;
fi

## Deprecate old images and skip latest one
echo "Attempting to deprecate all ${family} images except the latest one...."
images="$(gcloud compute images list --regexp=^${family}.* \
        --format='value(name)')"
if [ -z "${images}" ]; then
        echo "No ${family} image available"
        exit 1;
fi

echo Available images: ${images}
for image in ${images}; do
        if [[ "${image}" -ne "${latest_image}" ]]; then
                gcloud compute images deprecate "${image}" \
                        --state=DEPRECATED --replacement="${latest_image}"
        fi
done