#!/bin/bash

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

IMAGEDIR=${IMAGEDIR:-bin/image-aci}

VERSION=$1

if [ ! -x "$ACTOOL" ] ; then
    echo "actool ($ACTOOL) is not executable"
    exit 1
fi

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

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

mkdir -p $IMAGEDIR/rootfs
if [ ! -d $IMAGEDIR/rootfs -o ! -x $IMAGEDIR/rootfs ]; then
    echo "$IMAGEDIR/rootfs is not a writeable directory"
    exit 1
fi

if [ -n "$(ls -A $IMAGEDIR/rootfs)" ]; then
    echo "$IMAGEDIR/rootfs is not empty"
    exit 1
fi

cp bin/etcd bin/etcdctl $IMAGEDIR/rootfs/
cp README.md            $IMAGEDIR/rootfs/
cp etcdctl/README.md    $IMAGEDIR/rootfs/README-etcdctl.md
cp -r Documentation     $IMAGEDIR/rootfs/

cat <<DF > $IMAGEDIR/manifest
{
    "acVersion": "0.1.1",
    "acKind": "ImageManifest",
    "name": "coreos.com/etcd",
    "labels": [
        {"name": "os", "value": "linux"},
        {"name": "arch", "value": "amd64"},
        {"name": "version", "value": "${VERSION}"}
    ],
    "app": {
        "exec": [
             "/etcd"
        ],
        "user": "0",
        "group": "0"
    }
}
DF

mkdir -p $IMAGEDIR/rootfs/etc/
cat <<DF > $IMAGEDIR/rootfs/etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
DF

$ACTOOL build -overwrite=true $IMAGEDIR bin/etcd-${1}-linux-amd64.aci