#!/bin/bash
SERVER=$1
PLAYBOOK=$2
SITE_NAME=$3
DOMAIN_NAME=$4

while [[ "$#" -gt 0 ]]; do
    case $1 in
        -f|--force) force=1; shift ;;
    esac
    shift
done

usage() {
    echo "Usage: run-vps-playbook.sh server playbook site_name domain_name"
    echo "server - domain or ip address of the vps server"
    echo "playbook - playbook file"
    echo "site_name - site name, e.g. intermetiz - that is a project name used for create home directory and www directory, and database dump base file name"
    echo "domain_name - domain name, e.g. intermetiz.ru"
}

if [[ -z "$SERVER" ]]; then
  echo "You must defined SERVER as first argument"
  usage
  exit 1
fi

if [[ -z "$PLAYBOOK" ]]; then
  echo "You must defined PLAYBOOK as second argument"
  usage
  exit 1
fi

if [[ -z "$SITE_NAME" ]]; then
  echo "You must defined SITE_NAME as third argument"
  usage
  exit 1
fi

if [[ -z "$DOMAIN_NAME" ]]; then
  echo "You must defined DOMAIN_NAME as fourth argument"
  usage
  exit 1
fi

if [[ ! -f "$PLAYBOOK" ]]; then
  echo "Playbook file is not exists: $PLAYBOOK"
  usage
  exit 1
fi

COMMAND=$(cat <<EOF
ansible-playbook -e "lxc_host=${SERVER}" -e "initial_site_name=${SITE_NAME}" -e "domain_name=${DOMAIN_NAME}" -e runner=site
EOF
)

COMMAND="${COMMAND} ${PLAYBOOK}"

if [[ -z "$force" ]]; then
  printf 'Launch ansible playbook:\n%s\n' "${COMMAND}"
  read -p "Are you sure?  " -n 1 -r
  echo    # (optional) move to a new line
  if [[ $REPLY =~ ^[Yy]$ ]]
  then
      /bin/bash -c "${COMMAND}"
  fi
else
    /bin/bash -c "${COMMAND}"
fi