#!/bin/bash

set +e

echo "Usage: #./builder [registry version] [photon tag] [registry username] [registry password]"
if [ -z $1 ]; then
  error "Please set the 'version' variable"
  exit 1
fi
if [ -z $2 ]; then
  error "Please set the 'photonversion' variable"
  exit 1
fi
if [ -z $3 ]; then
  error "Please set the 'username' variable"
  exit 1
fi
if [ -z $4 ]; then
  error "Please set the 'password' variable"
  exit 1
fi

VERSION="$1"
PHOTONVERSION="$2"
USERNAME="$3"
PASSWORD="$4"
PHOTONIMAGE=vmware/registry:$PHOTONVERSION

set -e

# the temp folder to store binary file...
mkdir -p binary
rm -rf binary/registry || true

cd `dirname $0`
cur=$PWD

# the temp folder to store distribution source code...
TEMP=`mktemp -d /$TMPDIR/distribution.XXXXXX`
git clone -b $VERSION https://github.com/docker/distribution.git $TEMP

echo 'build the registry binary bases on the golang:1.7.3...'
cp Dockerfile.binary $TEMP
docker build -f $TEMP/Dockerfile.binary -t registry-golang $TEMP

echo 'copy the registry binary to local...'
ID=$(docker create registry-golang)
docker cp $ID:/go/bin/registry binary

docker rm -f $ID
docker rmi -f registry-golang

echo "Build registry binary success, then to build photon image..."
cd $cur
echo $PHOTONIMAGE
cp $TEMP/cmd/registry/config-example.yml config.yml
docker build -f Dockerfile -t $PHOTONIMAGE .

rm -rf $TEMP
rm -rf binary
rm -rf config.yml

echo 'Push image to docker hub.'
../../pushimage.sh $PHOTONIMAGE $USERNAME $PASSWORD