a parameterized script that spins up an ovirt-engine environment.

ovirt_engine_bootstrap

#! /bin/bash set -e

# run this script using the following command:
# curl -s \
#   https://gist.githubusercontent.com/jonathanelbailey/784e54452723e5294f456ce46f907cf7/raw/ \
#   | sudo bash /dev/stdin --postgres-password param1 --ovirt-password param2
# getopt is used to create long params for the script.
params=`getopt -o dp:o: --long debug,postgres-password:,ovirt-password: -n 'ovirt_engine_bootstrap' -- "$@"`

# unrecognized params terminate the script.
if [ $? != 0 ] ; then echo "Terminating..." >&2; exit 1; fi

eval set -- "$params"

# param defaults
debug=false
postgrespw=
ovirtpw=

# define parameter outputs.
while true; do
  case "$1" in
    -d | --debug) debug=true; shift ;;
    -p | --postgres-password) postgrespw="$2"; shift 2 ;;
    -o | --ovirt-password) ovirtpw="$2"; shift 2 ;;
    -- ) shift; break ;;
    * ) break ;;
  esac
done

# sets debug mode if enabled.
if [ "$debug" == true ]; then
  set -x
fi

check_service(){
  service=$1
  if [ "$(systemctl is-active $service | grep 'active')" ]; then
    return 0
  else
    return 1
  fi
}

check_installed_package(){
  package=$1
  if [ "$(yum list installed $package | grep $package | awk '{print $3}')" == 'installed' ]; then
    return 0
  else
    return 1
  fi
}

# install the ovirt 4.1 yum repo
if ! "$(check_installed_package ovirt-release41)"; then
  echo "installing ovirt 4.1 release..."
  yum install http://resources.ovirt.org/pub/yum-repo/ovirt-release41.rpm -y   # allows for the installation of the ovirt host.
fi

if ! "$(check_installed_package ovirt-engine)"; then
  echo "installing ovirt-engine..."
  yum -y install ovirt-engine
  su -l postgres -c "/usr/bin/initdb --locale=en_US.UTF8 --auth='ident' --pgdata=/var/lib/pgsql/data/"
  echo "starting postgresql service..."
  systemctl start postgresql.service
  systemctl enable postgresql.service
  echo "creating engine user..."
  sudo -u postgres createuser -l -E -W engine
  expect "Password: "
  send "$postgrespw"
  echo "creating engine db..."
  sudo -u postgres psql -c "create database engine owner engine template template0 \
    encoding 'UTF8' lc_collate 'en_US.UTF-8' lc_ctype 'en_US.UTF-8';"
  echo "creating db language..."
  sudo -u postgres psql -d engine CREATE LANGUAGE plpgsql;
  echo "adding network configs..."
  echo "host    engine    engine    0.0.0.0/0  md5" >> /var/lib/pgsql/data/pg_hba.conf
  echo "host    engine    engine    ::0/0      md5" >> /var/lib/pgsql/data/pg_hba.conf
  echo "restarting postgresql service..."
  systemctl restart postgresql.service
  echo "postgresql setup complete.  Downloading ovirt answer file..."
  curl -s https://gist.githubusercontent.com/jonathanelbailey/08124b61e3346bba8e9d6a74b7d84a85/raw \
    > /tmp/answers.conf
#   if ![ "$(check_service ovirt-engine.service)" ]; then
#     systemctl start
  # disabling NetworkManager for compatibility with ovirt
  if [ "$(check_service NetworkManager)" ]; then
    echo "stopping the NetworkManager Service..."
    systemctl stop NetworkManager
  fi
  engine-setup --config=/tmp/answers.conf
fi