verify

#!/bin/bash

# instance-simpleimage - simple image-based OS provider for Ganeti
# Copyright (C) 2022 The Ganeti Project

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

set -e

. common.sh

if [[ "$OSP_IMAGE" == http://* ]] || [[ "$OSP_IMAGE" == https://* ]]; then
    if ! curl $CUSTOM_CURL_OPTS -sfI "$OSP_IMAGE"; then
        echo "Unable to access the remote image at '$OSP_IMAGE'" 1>&2
        exit 1
    fi
elif [[ ! -e "$OSP_IMAGE" ]]; then
    echo "Unable to access the local image at '$OSP_IMAGE'" 1>&2
    exit 1
fi

case "$OSP_IMAGE_TYPE" in
    raw|raw+bz2|raw+gz|raw+xz)
    ;;
    qcow2)
        if ! which qemu-img > /dev/null; then
            echo "image_type set to 'qcow2' but unable to locate qemu-img binary." 1>&2
            exit 1
        fi
    ;;
    *)
        echo "Invalid image_type '$OSP_IMAGE_TYPE' supplied. Please use one of the following: 'raw', 'raw+bz2', 'raw+gz', 'raw+xz', 'qcow2'" 1>&2
        exit 1
    ;;
esac

exit 0