build-image

#!/usr/bin/env bash

function info() { echo -e "\033[0;34m[INFO ]   $@\033[0m"; }
function section() { echo -e "\n\033[1;34m[INFO ] $@...\033[0m"; }
function warn() { echo -e "\033[1;31m[WARN ] $@\033[0m"; }
function fatal() { echo -e "\033[0;31m[FATAL] $@\033[0m"; exit 1; }

IMAGE_BUILDER_REPO=""
PACKER_URL="https://releases.hashicorp.com/packer/0.10.1/packer_0.10.1_linux_amd64.zip"
BIN_PATH="$(pwd)/bin"
TMP_PATH="$(pwd)/tmp"
IMAGE_PATH="$(pwd)/images"

# check if image name exists
if [ "x$1" != "x" ]; then
  DISTRO=$1
fi

if [ -z ${DISTRO} ]; then
  warn  "No image specified to build."
  fatal "export \$DISTRO or use command line"
fi

# check if provider exists
PROVIDER=${PROVIDER:-"qemu"}
if [ "x$2" != "x" ]; then
  PROVIDER=$2
fi

# check arch
ARCH=${ARCH:-x86_64}
if [ "x$3" != "x" ]; then
  ARCH=$3
fi

# get provider image format
case ${PROVIDER} in
  qemu)
    PROVIDER_FORMAT="qcow2"
    ;;
  virtualbox)
    PROVIDER_FORMAT="box"
    ;;
  *)
    fatal "Invalid provider selected.."
    ;;
esac

# define variables needed
DEFINITION=definitions/${DISTRO}.json
IMAGE=${IMAGE_PATH}/${DISTRO}-${ARCH}.${PROVIDER_FORMAT}

section "Setup environment" #--------------------------------------------------
if [ ! -d ${TMP_PATH} ]; then
  mkdir ${TMP_PATH}
fi

if [ ! -d ${IMAGE_PATH} ]; then
  mkdir ${IMAGE_PATH}
fi

if [ ! -d ${BIN_PATH} ]; then
  info "Downloading packer..."
  mkdir bin
  wget ${PACKER_URL} -O ${TMP_PATH}/packer.zip
  unzip ${TMP_PATH}/packer.zip -d ${BIN_PATH}
fi

PATH=${BIN_PATH}:${PATH}



section "Variables:" #---------------------------------------------------------
info "distribution : ${DISTRO}"
info "provider     : ${PROVIDER}"
info "arch         : ${ARCH}"
echo ""
info "image dir    : ${IMAGE_PATH}"
info "definition   : ${DEFINITION}"
echo ""
info "image        : ${IMAGE}"

section "Run packer" #---------------------------------------------------------

packer build -parallel=false -only=${PROVIDER}-${ARCH} ${DEFINITION}