build.sh

#!/bin/bash -e

echo "Executing $0 ..."

export BUILD_PARENT_BOX_CHECK=true

. config.sh quiet

command -v vagrant >/dev/null 2>&1 || { echo "Command 'vagrant' required but it's not installed.  Aborting." >&2; exit 1; }
command -v packer >/dev/null 2>&1 || { echo "Command 'packer' required but it's not installed.  Aborting." >&2; exit 1; }
command -v wget >/dev/null 2>&1 || { echo "Command 'wget' required but it's not installed.  Aborting." >&2; exit 1; }

BUILD_PARENT_BOX_OVF="$HOME/.vagrant.d/boxes/$BUILD_PARENT_BOX_NAME/0/virtualbox/box.ovf"
BUILD_PARENT_BOX_VAGRANTCLOUD_PATHNAME=`echo "$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME" | sed "s|/|-VAGRANTSLASH-|"`
BUILD_PARENT_BOX_VAGRANTCLOUD_OVF="$HOME/.vagrant.d/boxes/$BUILD_PARENT_BOX_VAGRANTCLOUD_PATHNAME/$BUILD_PARENT_BOX_VAGRANTCLOUD_VERSION/virtualbox/box.ovf"

if [ -f $BUILD_PARENT_BOX_OVF ]; then
	export BUILD_PARENT_OVF=$BUILD_PARENT_BOX_OVF
	echo "An existing local '$BUILD_PARENT_BOX_NAME' box was detected. Skipping download ..."
else
	export BUILD_PARENT_OVF=$BUILD_PARENT_BOX_VAGRANTCLOUD_OVF
	if [ -f $BUILD_PARENT_BOX_VAGRANTCLOUD_OVF ]; then
		echo "An existing '$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME' box download with version '$BUILD_PARENT_BOX_VAGRANTCLOUD_VERSION' was detected."
		read -p "Do you want to delete it and download again (y/N)? " choice
		case "$choice" in 
		  y|Y ) echo "Deleting existing '$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME' box ..."
		  		vagrant box remove $BUILD_PARENT_BOX_VAGRANTCLOUD_NAME --box-version $BUILD_PARENT_BOX_VAGRANTCLOUD_VERSION
		  ;;
		  * ) echo "Will keep existing '$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME' box.";;
		esac
	fi
	
	if [ -f $BUILD_PARENT_BOX_VAGRANTCLOUD_OVF ]; then
		echo "'$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME' box already present, no need for download."
	else
		echo "Downloading '$BUILD_PARENT_BOX_VAGRANTCLOUD_NAME' box with version '$BUILD_PARENT_BOX_VAGRANTCLOUD_VERSION' ..."
		vagrant box add -f $BUILD_PARENT_BOX_VAGRANTCLOUD_NAME --box-version $BUILD_PARENT_BOX_VAGRANTCLOUD_VERSION --provider virtualbox
	fi
fi

if [ -d "keys" ]; then
	echo "Ok, key dir exists."
else
	echo "Creating key dir ..."
	mkdir -p keys
fi

if [ -f "keys/vagrant" ]; then
	echo "Ok, private key exists."
else
	echo "Downloading default private key ..."
	wget https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant -O keys/vagrant
	if [ $? -ne 0 ]; then
    	echo "Could not download the private key. Exit code from wget was $?."
    	exit 1
    fi
fi

if [ -f "keys/vagrant.pub" ]; then
	echo "Ok, public key exists."
else
	echo "Downloading default public key ..."
	wget https://raw.githubusercontent.com/hashicorp/vagrant/master/keys/vagrant.pub -O keys/vagrant.pub
	if [ $? -ne 0 ]; then
        echo "Could not download the public key. Exit code from wget was $?."
		exit 1
	fi
fi

# TODO include version info from file (copy to scripts?)

. config.sh

mkdir -p packages || true
export PACKER_LOG_PATH="$PWD/packer.log"
export PACKER_LOG="1"
packer validate virtualbox.json
packer build virtualbox.json

echo "------------------------------------------------------------------------"
echo "                         OPTIMIZING BOX SIZE"
echo "------------------------------------------------------------------------"

if [ -f "$BUILD_OUTPUT_FILE_TEMP" ]; then
    echo "Suspending any running instances ..."
    vagrant suspend
    echo "Destroying current box ..."
    vagrant destroy -f || true
    echo "Removing '$BUILD_BOX_NAME' ..."
    vagrant box remove -f "$BUILD_BOX_NAME" 2>/dev/null || true
    echo "Adding '$BUILD_BOX_NAME' ..."
    vagrant box add --name "$BUILD_BOX_NAME" "$BUILD_OUTPUT_FILE_TEMP"
    echo "Powerup and provision '$BUILD_BOX_NAME' (running only 'shell' scripts) ..."
    vagrant --provision up --provision-with net_debug,export_packages,cleanup_kernel,cleanup || { echo "Unable to startup '$BUILD_BOX_NAME'."; exit 1; }
    echo "Exporting intermediate box to '$BUILD_OUTPUT_FILE_INTERMEDIATE' ..."
    vagrant package --output "$BUILD_OUTPUT_FILE_INTERMEDIATE"
    echo "Removing temporary box file ..."
    rm -f  "$BUILD_OUTPUT_FILE_TEMP"
    # TODO rename packer.log for backup
    echo "Please run 'finalize.sh' to finish configuration and create the final box file."
else
    echo "There is no box file '$BUILD_OUTPUT_FILE_TEMP' in the current directory."
    exit 1
fi