#!/bin/sh
#
# Copyright (C) 2016 VyOS maintainers and contributors
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or later as
# published by the Free Software Foundation.
#
# 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, see <http://www.gnu.org/licenses/>.
#
# File: build-vmware-ovf
# Purpose:
#   Build VyOS OVF for VMware.

if [ ! $(which vmdk-convert) ]; then
   echo "Your system doesn't have vmdk-convert. Please install it from https://github.com/vmware/open-vmdk."
   exit 1
else
   echo "Your system has vmdk-convert."
fi

export PACKER_BUILD_DIR=packer_build
export PACKER_LOG_PATH=${PACKER_BUILD_DIR}/build_vmware_ovf.log
export PACKER_LOG=1

mkdir -p ${PACKER_BUILD_DIR}
DST_DIR=${PACKER_BUILD_DIR}/vmware

packer build -only=vmware-image scripts/packer.json

# Convert raw image to VMDK
source_image=${DST_DIR}/vyos_vmware_image.img
tmp_vmdk=${DST_DIR}/tmp.vmdk
vmdk=${DST_DIR}/vyos_vmware_image.vmdk
ovf=${DST_DIR}/vyos_vmware_image.ovf
qemu-img convert -f raw ${source_image} -O vmdk -o adapter_type=lsilogic ${tmp_vmdk}
vmdk-convert ${tmp_vmdk} ${vmdk}

# Generate OVF
vmdk_file_size=$(vmdk-convert -i ${vmdk} | jq .capacity)
vmdk_populated_size=$(vmdk-convert -i ${vmdk} | jq .used)
version=$(cat build/version)
cat scripts/template.ovf | sed "s/{{vmdk_file_size}}/${vmdk_file_size}/" > ${ovf}
sed -i "s/{{vmdk_populated_size}}/${vmdk_populated_size}/" ${ovf}
sed -i "s/{{version}}/${version}/" ${ovf}

# Generate manifest file
cd ${DST_DIR}
openssl sha1 *.vmdk *.ovf > vyos_vmware_image.mf