#!/usr/bin/env bash

set -e

BINARYDIR=${BINARYDIR:-bin}
BUILDDIR=${BUILDDIR:-bin}

# A non-installed acbuild can be used, for example:
# ACBUILD=../../appc/acbuild/bin/acbuild
ACBUILD=${ACBUILD:-acbuild}

VERSION=$1

go2aci() {
	case "${1}" in
		"arm64") echo "aarch64";;
		*) echo "${1}";;
	esac
}

if ! command -v "${ACBUILD}" >/dev/null; then
    echo "acbuild ($ACBUILD) is not executable"
    exit 1
fi

if [ ! -x "${BINARYDIR}"/etcd ] ; then
    echo "$BINARYDIR/etcd not found. Is it compiled?"
    exit 1
fi

if [ -z "$VERSION" ] ; then
    echo "Usage: scripts/build-aci VERSION"
    exit 1
fi

acbuild --debug begin

TMPHOSTS="$(mktemp)"
ACI_ARCH=$(go2aci "${GOARCH}")

acbuildEnd() {
    rm "$TMPHOSTS"
    export EXIT=$?
    acbuild --debug end && exit $EXIT
}
trap acbuildEnd EXIT

cat <<DF > "$TMPHOSTS"
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
DF

acbuild --debug set-name coreos.com/etcd
acbuild --debug annotation add appc.io/executor/supports-systemd-notify true

acbuild --debug copy "${BINARYDIR}"/etcd /usr/local/bin/etcd
acbuild --debug copy "${BINARYDIR}"/etcdctl /usr/local/bin/etcdctl

acbuild --debug copy README.md README.md
acbuild --debug copy etcdctl/README.md README-etcdctl.md
acbuild --debug copy etcdctl/READMEv2.md READMEv2-etcdctl.md
acbuild --debug copy-to-dir Documentation .

acbuild --debug environment add ETCD_DATA_DIR /var/lib/etcd
acbuild --debug mount add data-dir /var/lib/etcd

acbuild --debug label add version "$VERSION"

acbuild --debug set-exec -- /usr/local/bin/etcd

acbuild --debug port add client tcp 2379
acbuild --debug port add peer tcp 2380

acbuild --debug copy "$TMPHOSTS" /etc/hosts

acbuild --debug label add arch "${ACI_ARCH}"

# mkdir default data-dir
mkdir -p .acbuild/currentaci/rootfs/var/lib/etcd

# symlinks for backward-compatibility
ln -s ./usr/local/bin/etcd .acbuild/currentaci/rootfs/etcd
ln -s ./usr/local/bin/etcdctl .acbuild/currentaci/rootfs/etcdctl

acbuild --debug write --overwrite "${BUILDDIR}/etcd-${1}-linux-${ACI_ARCH}.aci"