run

#!/bin/sh
set -e
# get latest version of amazon linux 2
export AMZN2_VERSION=$(curl -qfsSD - https://cdn.amazonlinux.com/os-images/latest/  | grep -E '^location:'  | grep -oE '/[0-9\.]+/' | sed -e 's#/##g')
export AMZN2_VERSION_PREFIX=$(echo $AMZN2_VERSION | sed -e 's/^2\.0\.//')
export AMZN2_VDI=amzn2-virtualbox-${AMZN2_VERSION}-x86_64.xfs.gpt.vdi
export AMZN2_OVA=amzn2-virtualbox-${AMZN2_VERSION}-x86_64.xfs.gpt.ova

: ${IMAGE_URL:=https://cdn.amazonlinux.com/os-images/$AMZN2_VERSION/virtualbox/$AMZN2_VDI}
: ${IMAGE_CHECKSUM_URL:=https://cdn.amazonlinux.com/os-images/$AMZN2_VERSION/virtualbox/SHA256SUMS}

# download latest amazon linux 2 image
if ! [[ -e $AMZN2_VDI ]] ; then
	curl -qsSLO $IMAGE_URL
	curl -qsSLO $IMAGE_CHECKSUM_URL
	sha256sum -c SHA256SUMS || mv $AMZN2_VDI $AMZN2_VDI.failed
	[[ -e $AMZN2_VDI ]]
fi
# make seed.iso for UserData
[[ -e seed.iso ]] || hdiutil makehybrid -iso -joliet -o seed.iso seed -joliet-volume-name cidata

# download vagrant insecure private key
curl -sL https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant -o vagrant.key

# create OVA
VM=amznlinux2
if ! [[ -e $AMZN2_OVA ]] ; then
	VBoxManage createvm --name "$VM" --ostype "RedHat_64" --register
	VBoxManage storagectl "$VM" --name "SATA Controller" --add "sata" --controller "IntelAHCI"
	VBoxManage storageattach "$VM" --storagectl "SATA Controller" --port 0 --device 0 --type hdd --medium $AMZN2_VDI
	VBoxManage export "$VM" -o $AMZN2_OVA
	VBoxManage unregistervm "$VM"
fi


# VMの作成とAmazon Linux 2の起動
packer build vagrant-amzn2.json