Simplify "make iso" process

Resolving all the dependencies is cumbersome and time consuming,
and missing one minor step can result in a dev environment that
can not build an ISO (but does not necessarily tell you what is missing).

Proposed script helps to ensure that all the dependencies are installed.

Change-Id: Ib71c8790e3cb2902d91e06b7ea7cc92657c52385
Related-Bug: #1324723

prepare-build-env.sh

@@ -0,0 +1,82 @@
+#!/bin/bash -x
+
+#    Copyright 2014 Mirantis, Inc.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+#    This script will install all the required packages necessary for
+#    building a Fuel ISO.
+
+# We need to not try to install rubygems on trusty, because it doesn't exists
+DISTRO=$(lsb_release -c -s)
+if [ $DISTRO == 'trusty' ]; then
+    GEMPKG="ruby ruby-dev"
+else
+    GEMPKG="ruby ruby-dev rubygems"
+fi
+
+# Check if docker is installed
+if hash docker 2>/dev/null; then
+	echo "Docker binary found, checking if service is running..."
+	ps cax | grep docker > /dev/null
+	if [ $? -eq 0 ]; then
+		echo "Docker is running."
+	else
+		echo "Process is not running, starting it..."
+		sudo service docker start
+	fi
+else
+# Install docker repository
+# Check that HTTPS transport is available to APT
+if [ ! -e /usr/lib/apt/methods/https ]; then
+	sudo apt-get update
+	sudo apt-get -y install -y apt-transport-https
+fi
+# Add the repository to APT sources
+echo deb http://mirror.yandex.ru/mirrors/docker/ docker main | sudo tee /etc/apt/sources.list.d/docker.list
+# Import the repository key
+sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
+# Install docker
+sudo apt-get update
+sudo apt-get -y install lxc-docker
+fi
+
+# Install software
+sudo apt-get update
+sudo apt-get -y remove nodejs nodejs-legacy npm
+sudo apt-get -y install software-properties-common python-software-properties
+sudo add-apt-repository -y ppa:chris-lea/node.js
+sudo apt-get update
+sudo apt-get -y install build-essential make git $GEMPKG debootstrap createrepo \
+	python-setuptools yum yum-utils libmysqlclient-dev isomd5sum \
+	python-nose libvirt-bin python-ipaddr python-paramiko python-yaml \
+	python-pip kpartx extlinux unzip genisoimage nodejs multistrap \
+	lrzip python-daemon
+sudo gem install bundler -v 1.2.1
+sudo gem install builder
+sudo pip install xmlbuilder jinja2
+sudo npm install -g grunt-cli
+
+# Add account to sudoers
+if sudo grep "`whoami` ALL=(ALL) NOPASSWD: ALL" /etc/sudoers; then
+	echo "Required /etc/sudoers record found"
+else
+	echo "Required /etc/sudoers record not found, adding it..."
+	echo "`whoami` ALL=(ALL) NOPASSWD: ALL" | sudo tee -a /etc/sudoers
+fi
+
+# Fix tmp folder ownership
+mkdir -p ~/tmp
+sudo chown $USER:$USER ~/tmp
+
+echo "Dependency check complete, please proceed with 'make iso' command"