bake

#!/usr/bin/env bash

set -eu

cwd="$(cd "$(dirname "${0}")" && pwd)"
VERSION="1.0.0"
STEMCELL_VERSION="170.16"
WORKSPACE="${WORKSPACE:-"$HOME/workspace"}"
RELEASES_DIR="$cwd/releases"
SKIP_RELEASES_BUILDING=true
ODB_DIR="$WORKSPACE/on-demand-service-broker-release"
BUILD_RELEASES_FROM_SOURCE=true

usage() {
  cat <<EndOfUsage
Usage: $0 [flags]

Flags:
  --tile-version, -v        Desired tile version. Ex: 1.0.0
  --stemcell-version, -s    Target stemcell version. Ex: 3415.12
  --releases-directory, -r  Optional. Path to a directory containing the necessary releases
  --odb-release-dir,-d      Optional. Path to the ODB release directory. Defaults to "$ODB_DIR"
  --help, -f                Show help
EndOfUsage
  exit 0
}

parse_opts() {
  for arg in "$@"; do
    shift
    case "$arg" in
      "--tile-version")       set -- "$@" "-v" ;;
      "--stemcell-version")   set -- "$@" "-s" ;;
      "--releases-directory") set -- "$@" "-r" ;;
      "--odb-release-dir")    set -- "$@" "-d" ;;
      "--help")               set -- "$@" "-h" ;;
      *)                      set -- "$@" "$arg"
    esac
  done

  OPTIND=1
  while getopts "v:r:s:d:h" opt; do
    case $opt in
      v) VERSION="$OPTARG" ;;
      r) RELEASES_DIR="$OPTARG"; BUILD_RELEASES_FROM_SOURCE=false ;;
      s) STEMCELL_VERSION="$OPTARG" ;;
      d) ODB_DIR="$OPTARG" ;;
      h) usage ;;
      *) exit 1 ;;
    esac
  done
  shift $(( OPTIND - 1 ))
}

create_releases() {
  rm -f releases/*

  echo "Creating ODB release"
  bosh create-release \
    --name on-demand-service-broker \
    --force \
    --tarball "$cwd/releases/on-demand-service-broker.tgz" \
    --dir="$ODB_DIR"

  echo "Creating Kafka service adapter release"
  bosh create-release \
    --name  kafka-example-service-adapter \
    --force \
    --tarball "$cwd/releases/kafka-example-service-adapter.tgz" \
    --dir="$ODB_DIR/examples/kafka-example-service-adapter-release"

  echo "Creating Kafka service release"
  bosh create-release \
    --name  kafka-example-service \
    --force \
    --tarball "$cwd/releases/kafka-example-service.tgz" \
    --dir="$ODB_DIR/examples/kafka-example-service-release"

  echo "Downloading Consul"
  curl -L -s "https://bosh.io/d/github.com/cloudfoundry-incubator/consul-release?v=192"\
    -o "$cwd/releases/consul.tgz"

  echo "Downlading BPM"
  curl -L -s "https://github.com/cloudfoundry/bpm-release/releases/download/v1.1.0/bpm-release-1.1.0.tgz" \
    -o "$cwd/releases/bpm.tgz"
}

download_stemcell() {
  echo "Downloading stemcell version $STEMCELL_VERSION"
  rm -f "$cwd/stemcells/stemcell/tgz"
  curl -L -s "https://s3.amazonaws.com/bosh-gce-light-stemcells/light-bosh-stemcell-$STEMCELL_VERSION-google-kvm-ubuntu-xenial-go_agent.tgz" \
    -o "$cwd/stemcells/stemcell.tgz"
}

main() {
  parse_opts "$@"

  if ! type kiln >/dev/null 2>/dev/null; then
    go get github.com/pivotal-cf/kiln
  fi

  if [[ ! -d "$ODB_DIR" ]]; then
    echo "Cannot find on-demand-service-broker-release in $WORKSPACE"
    exit 1
  fi

  download_stemcell

  if $BUILD_RELEASES_FROM_SOURCE; then
    create_releases
  fi

  kiln bake \
    --version "$VERSION" \
    --metadata "$cwd/base.yml" \
    --releases-directory "$RELEASES_DIR" \
    --stemcell-tarball "$cwd/stemcells/stemcell.tgz" \
    --properties-directory "$cwd/properties" \
    --migrations-directory "$cwd/migrations" \
    --forms-directory "$cwd/forms" \
    --instance-groups-directory "$cwd/instance-groups" \
    --jobs-directory "$cwd/jobs" \
    --icon "$cwd/icon.png" \
    --variables-file "$cwd/variables.yml" \
    --output-file "$cwd/example-kafka-odb-tile-$VERSION.pivotal"
}

main "$@"