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#!/bin/bash -eux
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# vi: ts=4 expandtab
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#
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# Generate OVA images
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#
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# OVA images are, by defintiion a tarball consisting of a disk image, OVF file
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# and checksums. This step produces an OVA that is suitable for use with
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# Cloud's that support the OVF specification.
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#
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# For this step, we re-use the VMDK's made in 040-vmdk-image.binary
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architecture=$(chroot chroot dpkg --print-architecture)
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case ${architecture} in
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amd64|i386) ;;
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*) echo "OVA images are not supported for ${architecture} yet.";
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exit 0;;
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esac
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cur_d=${PWD}
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my_d=$(dirname $(readlink -f ${0}))
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base_vmdk="livecd.ubuntu-cpc.disk1.vmdk"
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if [ $architecture = "amd64" ]; then
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base_vmdk="livecd.ubuntu-cpc.uefi.vmdk"
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fi
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if [ ! -e ${base_vmdk} ]; then
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find . | grep vmdk
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exit 0
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fi
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# Lets be safe about this
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scratch_d=$(mktemp -d)
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trap "rm -rf ${scratch_d}" EXIT
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# Used to identify bits
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suite=$(chroot chroot lsb_release -c -s)
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version=$(chroot chroot lsb_release --release --short)
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distro=$(chroot chroot lsb_release --id --short | tr [:upper:] [:lower:])
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# Put our vmdk in place for OVA conversion
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prefix="${distro}-${suite}-${version}-cloudimg"
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vmdk_f="${scratch_d}/${prefix}.vmdk"
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cp ${base_vmdk} ${vmdk_f}
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# Get information about the VMDK
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vmdk_size=$(du -b "${vmdk_f}" | cut -f1)
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vmdk_capacity=$(qemu-img info "${vmdk_f}" | awk '-F[\( ]' '$1 ~ /virtual/ && $NF ~ /bytes.*/ {print$(NF-1)}')
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# Populate the OVF template
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ovf="${scratch_d}/${prefix}.ovf"
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cp ${my_d}/ovf/ubuntu-ova-v1-vmdk.tmpl ${ovf}
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serial_stamp=$(date +%Y%m%d)
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sed -i "${ovf}" \
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-e "s/@@NAME@@/${prefix}-${serial_stamp}/g" \
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-e "s/@@FILENAME@@/${vmdk_f##*/}/g" \
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-e "s/@@VMDK_FILE_SIZE@@/${vmdk_size}/g" \
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-e "s/@@VMDK_CAPACITY@@/${vmdk_capacity}/g" \
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-e "s/@@NUM_CPUS@@/2/g" \
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-e "s/@@VERSION@@/${version}/g" \
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-e "s/@@DATE@@/${serial_stamp}/g" \
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-e "s/@@MEM_SIZE@@/1024/g"
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# Get the checksums
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vmdk_sha256=$(sha256sum ${vmdk_f} | cut -d' ' -f1)
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ovf_sha256=$(sha256sum ${ovf} | cut -d' ' -f1)
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# Generate the manifest
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manifest="${scratch_d}/${prefix}.mf"
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cat > "${manifest}" <<EOF
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SHA256(${vmdk_f##*/})= ${vmdk_sha256}
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SHA256(${ovf##*/}.ovf)= ${ovf_sha256}
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EOF
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# Now create the OVA
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echo "Creating OVA with the following attributes:"
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cat <<EOM
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OVA information:
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Name: ${prefix}
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Size: ${vmdk_size}
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Capacity: ${vmdk_capacity}
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VMDK Name: ${vmdk_f##*/}
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VMDK SHA256: ${vmdk_sha256}
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OVF SHA256: ${ovf_sha256}
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EOM
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tar -C ${scratch_d} \
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-cf ${cur_d}/livecd.ubuntu-cpc.ova \
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${prefix}.ovf \
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${prefix}.mf \
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${vmdk_f##*/}
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