newvagrant.sh

#!/bin/bash
# script that creates a new vagrant in ~/vagrant/<name>

BASE_PATH="$HOME/vagrant"
VAGRANT_NAME=""
VAGRANT_BOX=""
START_VAGRANT=0
BYPASS_DEVSTACK="false"
VM_RAM=8192
VM_CPUS=2
VM_HOSTNAME="devstack"

# for whiptail sizing
lines=$(tput lines)
cols=$(tput cols)
menu_h=$((lines-3))
menu_w=$((cols-5))
menu_l=$((lines-11))

usage() {
    cat <<EOF
usage: $0 options

OPTIONS:
    -n      Name of the vagrant (${VAGRANT_NAME})
    -s      Automatically start the vagrant? (Default: no)
    -m      Amount of ram for the vm (Default: 8192)
    -c      Number of CPUS (Default: 2)
    -b      Bypass devstack? (Default: No)
    -h      this help output
EOF
}

# Display a menu:
#   Usage: title [choice...]
#
menu() {
    title=$1
    shift
 
    typeset -a args
    while [[ $# -gt 0 ]] ; do
        args+=($1)
        args+=($1)
        shift
    done
 
   (whiptail --noitem --menu "$title" $menu_h $menu_w $menu_l ${args[@]} 3>&1 1>&2 2>&3)
}


while getopts "n:s:h:m:c:b" OPTION
do
    case $OPTION in
        n)
            echo "using {$OPTARG} as vagrant name"
            VAGRANT_NAME=$OPTARG
            VM_HOSTNAME="$VAGRANT_NAME-vm"
            ;;
        s)
            echo "Starting Vagrant after build"
            START_VAGRANT=1
            VAGRANT_NAME=$OPTARG
            ;;
        c)
            echo "VM CPUS {$OPTARG}"
            VM_CPUS=$OPTARG
            ;;
        m)
            echo "VM RAM {$OPTARG}"
            VM_RAM=$OPTARG
            ;;
        b)
            echo "VM CPUS {$OPTARG}"
            BYPASS_DEVSTACK="true"
            ;;
        h)
            usage
            exit
            ;;
        ?)
            usage
            exit
            ;;
    esac
done

if [ -z "$VAGRANT_NAME" ]; then
    echo "You must specify the vagrant name"
    usage
    exit
fi

VAGRANT_PATH="$BASE_PATH/$VAGRANT_NAME"
if [ -d "$VAGRANT_PATH" ]; then
    echo "Vagrant ${VAGRANT_NAME} already exists"
    exit
fi

boxes=$(vagrant box list | grep libvirt | awk '{print $1}')
if [[ -z $boxes ]] ; then
    echo "No boxes are available" >&2
    exit 1
fi
 
# Prompt with a whiptail menu, and swap stderr and stdout
BOX_NAME=$(menu 'Available boxes:' $boxes)
[[ -n $BOX_NAME ]] || exit 1     # exit if user cancelled
 

# now clone the repository
cd $BASE_PATH
git clone git@csim-cloud.rose.hp.com:openstack/vagrant-devstack.git $VAGRANT_NAME

# now copy over the needed files
ln -s ~/.bashrc $VAGRANT_NAME/files/home
ln -s ~/.vimrc $VAGRANT_NAME/files/home
ln -s ~/.vim $VAGRANT_NAME/files/home
ln -s ~/.gitconfig $VAGRANT_NAME/files/home

cd $VAGRANT_NAME

cat > config.yaml <<CONFIG_YAML
box: $BOX_NAME
hostname: $VM_HOSTNAME
memory: $VM_RAM
cpus: $VM_CPUS
bypass_devstack: $BYPASS_DEVSTACK
install_powerline: true
forward_x11: true
CONFIG_YAML