Дружим FreeBSD и HomeAssistant20.01.2024 13:15

#!/bin/sh
# -------------------------------------------------------
# Copy this file to '/usr/local/etc/rc.d/homeassistant'
# `chmod +x /usr/local/etc/rc.d/homeassistant`
# `sysrc homeassistant_enable=yes`
# `service homeassistant start`
# -------------------------------------------------------
#https://github.com/tprelog

name=homeassistant
rcvar=${name}_enable

. /etc/rc.subr && load_rc_config ${name}

: "${homeassistant_enable:="NO"}"
: "${homeassistant_rc_debug:="NO"}"
: "${homeassistant_user:="homeassistant"}"
: "${homeassistant_python:="NOT_SET"}"
: "${homeassistant_venv:="/srv/homeassistant"}"
: "${homeassistant_safe_mode:="NO"}"
: "${homeassistant_debug:="NO"}"
: "${homeassistant_skip_pip:="NO"}"
: "${homeassistant_verbose:="NO"}"
: "${homeassistant_color_log:="YES"}"
: "${homeassistant_restart_delay:=1}"

if [ ! "$(id ${homeassistant_user} 2>/dev/null)" ]; then
  err 1 "user not found: ${homeassistant_user}"
else
  : "${homeassistant_group:="$(id -gn ${homeassistant_user})"}"
  HOME="$(getent passwd "${homeassistant_user}" | cut -d: -f6)"
fi

if [ -z "${HOME}" ] || [ ! -d "${HOME}" ] || [ "${HOME}" == "/nonexistent" ] || [ "${HOME}" == "/var/empty" ]; then
  : "${homeassistant_config_dir:="/home/${name}"}"
  : "${homeassistant_user_dir:="${homeassistant_venv}"}"
  export HOME="${homeassistant_user_dir}"
else
  : "${homeassistant_user_dir:="${HOME}"}"
  : "${homeassistant_config_dir:="${homeassistant_user_dir}/.${name}"}"
fi

[ -n "${homeassistant_cpath:-}" ] && export CPATH="${homeassistant_cpath}"
[ -n "${homeassistant_library_path:-}" ] && export LIBRARY_PATH="${homeassistant_library_path}"
[ -n "${homeassistant_path:-}" ] && export PATH="${homeassistant_path}"

umask "${homeassistant_umask:-022}"

logfile="/var/log/${name}_daemon.log"
pidfile="/var/run/${name}_daemon.pid"
pidfile_child="/var/run/${name}.pid"

command="/usr/sbin/daemon"
extra_commands="check_config ensure_config upgrade install reinstall logs script test"

homeassistant_precmd() {
  local _srv_ _own_ _msg_
  local _venv_="${homeassistant_venv}"
  local _user_="${homeassistant_user}"
  if [ ! -d "${_venv_}" ]; then
    _msg_="${_venv_} not found"
  elif [ ! -f "${_venv_}/bin/activate" ]; then
    _msg_="${_venv_}/bin/activate is not found"
  elif [ ! -x "${_srv_:="${_venv_}/bin/hass"}" ]; then
    _msg_="${_srv_} is not found or is not executable"
  elif [ "${_own_:="$(stat -f '%Su' ${_srv_})"}" != ${_user_} ]; then
    warn "${_srv_} is not owned by ${_user_}"
    _msg_="${_srv_} is currently owned by ${_own_}"
  else
    HA_CMD="${_srv_}"
    cd "${_venv_}" || err 1 "cd ${_venv_}"
    return 0
  fi
  err 1 "${_msg_}"
}


start_precmd=${name}_prestart
homeassistant_prestart() {

  homeassistant_precmd \
  && install -g "${homeassistant_group}" -m 664 -o ${homeassistant_user} -- /dev/null "${logfile}" \
  && install -g "${homeassistant_group}" -m 664 -o ${homeassistant_user} -- /dev/null "${pidfile}" \
  && install -g "${homeassistant_group}" -m 664 -o ${homeassistant_user} -- /dev/null "${pidfile_child}" \
  || return 1

  homeassistant_ensure_config "${homeassistant_config_dir}"
  HA_ARGS="--ignore-os-check --config ${homeassistant_config_dir}"

  if [ -n "${homeassistant_log_file:-}" ]; then
    install -g "${homeassistant_group}" -m 664 -o ${homeassistant_user} -- /dev/null "${homeassistant_log_file}" \
    && HA_ARGS="${HA_ARGS} --log-file ${homeassistant_log_file}"
  fi

  if [ -n "${homeassistant_log_rotate_days:-}" ]; then
    HA_ARGS="${HA_ARGS} --log-rotate-days ${homeassistant_log_rotate_days}"
  fi

  checkyesno homeassistant_color_log || HA_ARGS="${HA_ARGS} --log-no-color"
  checkyesno homeassistant_debug && HA_ARGS="${HA_ARGS} --debug"
  checkyesno homeassistant_safe_mode && HA_ARGS="${HA_ARGS} --safe_mode"
  checkyesno homeassistant_skip_pip && HA_ARGS="${HA_ARGS} --skip_pip"
  checkyesno homeassistant_verbose && HA_ARGS="${HA_ARGS} --verbose"

  rc_flags="-f -o ${logfile} -P ${pidfile} -p ${pidfile_child} -R ${homeassistant_restart_delay} ${HA_CMD} ${HA_ARGS}"
}

start_postcmd=${name}_poststart
homeassistant_poststart() {
  sleep 1 ; run_rc_command status
}

restart_precmd="${name}_prerestart"
homeassistant_prerestart() {
  homeassistant_check_config "${homeassistant_config_dir}"
}

stop_precmd=${name}_prestop
homeassistant_prestop() {
  local _owner_
  # shellcheck disable=SC2154
  if [ -n "${rc_pid}" ] && [ "${_owner_:="$(stat -f '%Su' ${pidfile_child})"}" != ${homeassistant_user} ]; then
    err 1 "${homeassistant_user} can not stop a process owned by ${_owner_}"
  fi
}

stop_postcmd=${name}_poststop
homeassistant_poststop() {
  rm -f -- "${pidfile_child}"
  rm -f -- "${pidfile}"
}

status_cmd=${name}_status
homeassistant_status() {
  local _http_ _ip_
  if [ -n "${rc_pid}" ]; then
    : "${homeassistant_secure:="NO"}" # This is only a cosmetic variable - used by the status_cmd
    _ip_="$(ifconfig | sed -En 's/127.0.0.1//;s/.*inet (addr:)?(([0-9]*\.){3}[0-9]*).*/\2/p')"
    checkyesno homeassistant_secure && _http_="https" || _http_="http"
    echo "${name} is running as pid ${rc_pid}."
    echo "${_http_}://${_ip_}:${homeassistant_port:-"8123"}"  # This is only a cosmetic variable
  else
    echo "${name} is not running."
    return 1
  fi
}

check_config_cmd="${name}_check_config ${1} ${2}"
homeassistant_check_config() {
  [ "${1}" == "check_config" ] || [ "${1}" == "onecheck_config" ] && shift
  homeassistant_script check_config --config "${1:-"${homeassistant_config_dir}"}"
}

ensure_config_cmd="${name}_ensure_config ${1} ${2}"
homeassistant_ensure_config() {
  [ "${1}" == "ensure_config" ] || [ "${1}" == "oneensure_config" ] && shift
  local _config_dir_="${1:-"${homeassistant_config_dir}"}"
  debug "config_dir: ${_config_dir_}"
  if [ ! -d "${_config_dir_}" ]; then
    install -d -g "${homeassistant_group}" -m 775 -o ${homeassistant_user} -- "${_config_dir_}" \
    || err 1 "unable to create directory: ${_config_dir_}"
  fi
  homeassistant_script ensure_config --config "${_config_dir_}"
}

script_cmd="${name}_script ${*}"
homeassistant_script() {
  [ "${1}" == "script" ] || [ "${1}" == "onescript" ] && shift
  local _action_="${1}" ; shift
  local _args_="${*}"
  homeassistant_precmd
  # shellcheck disable=SC2016
  su - ${homeassistant_user} -c '
    source ${1}/bin/activate || exit 1
    hass --script ${2} ${3}
    deactivate
  ' _ ${homeassistant_venv} "${_action_}" "${_args_}"
}

logs_cmd="${name}_logs ${*}"
homeassistant_logs() {
  case "${2}" in
    -f )
      tail -F "${logfile}" ;;
    -h )
      head -n "${3:-"100"}" "${logfile}" ;;
    -n | -t )
      tail -n "${3:-"100"}" "${logfile}" ;;
    -l )
      less -R "${logfile}" ;;
    * )
      cat "${logfile}" ;;
  esac
}

upgrade_cmd="${name}_upgrade"
homeassistant_upgrade() {
  homeassistant_precmd
  run_rc_command stop 2>/dev/null ; local _rcstop_=${?}
  homeassistant_install --upgrade "${name}"
  homeassistant_check_config && [ ${_rcstop_} == 0 ] && run_rc_command start
}

install_cmd="${name}_install ${*}"
homeassistant_install() {
  [ "${1}" == "install" ] || [ "${1}" == "oneinstall" ] && shift
  local _create_ _arg_
  _arg_="${*:-"${name}"}"
  debug "install: ${_arg_}"
  if [ "${1}" == "${name}" ] && { [ ! -d "${homeassistant_venv}" ] || [ ! "$(ls -A ${homeassistant_venv})" ]; }; then
    debug "creating virtualenv: ${homeassistant_venv}"
    install -d -g "${homeassistant_group}" -m 775 -o ${homeassistant_user} -- ${homeassistant_venv} \
    || err 1 "failed to create directory: ${homeassistant_venv}"
    _create_="YES"
  elif [ -d "${homeassistant_venv}" ]; then
    debug "found existing directory: ${homeassistant_venv}"
    homeassistant_precmd
  else
    echo "failed to install: ${_arg_}"
    err 1 "${name} is not installed: ${homeassistant_venv}"
  fi
  # shellcheck disable=SC2016
  su - ${homeassistant_user} -c '
    if [ ${1} == "YES" ]; then
      ${2} -m venv ${3}
      source ${3}/bin/activate || exit 1
      shift 3
      pip install wheel
      pip install ${@}
    else
      source ${3}/bin/activate || exit 1
      shift 3
      pip install ${@}
    fi
    deactivate
  ' _ ${_create_:-"NO"} ${homeassistant_python} ${homeassistant_venv} "${_arg_}" || err 1 "install function failed"
}

reinstall_cmd="${name}_reinstall ${*}"
homeassistant_reinstall() {
  [ "${1}" == "reinstall" ] || [ "${1}" == "onereinstall" ] && shift
  local _ans1_ _ans2_ _rcstop_ _version_ _arg_
  homeassistant_precmd
  if [ "${1%==*}" == "${name}" ]; then
    _arg_="${*}"
  elif [ -z "${_arg_}" ]; then
    if [ -n "${_version_:=$(cat ${homeassistant_config_dir}/.HA_VERSION 2>/dev/null)}" ]; then
      _arg_="${name}==${_version_}"
    else
      _arg_="${name}"
    fi
  else
    warn "expecting ${name} to be listed first"
    err 1 "check args: ${*}"
  fi
  echo -e "\n${orn}You are about to recreate the virtualenv:${end}\n  ${homeassistant_venv}\n"
  echo -e "${orn}The following package(s) will be installed:${end}\n  ${_arg_}\n"
  read -rp " Type 'YES' to continue: " _ans1_
  run_rc_command stop 2>/dev/null ; _rcstop_=${?}
  cd / ; rm -r -- "${homeassistant_venv}" || err 1 "failed to remove ${homeassistant_venv}"
  { homeassistant_install ${_arg_} ; homeassistant_check_config ; } \
  && [ ${_rcstop_} == 0 ] && run_rc_command start
}

test_cmd="${name}_test"
homeassistant_test() {
  echo -e "\nTesting virtualenv...\n"
  homeassistant_precmd
  ## Switch users / activate virtualenv / run a command
  # shellcheck disable=SC2016
  su "${homeassistant_user}" -c '
    echo -e "  $(pwd)\n"
    source ${1}/bin/activate
    echo "  $(python --version)"
    echo "  Home Assistant $(pip show homeassistant | grep Version | cut -d" " -f2)"
    deactivate
  ' _ ${homeassistant_venv}
  echo
}

colors () {
  export red=$'\e[1;31m'
  export orn=$'\e[38;5;208m'
  export end=$'\e[0m'
} ; colors

checkyesno homeassistant_rc_debug && rc_debug="ON"
run_rc_command "${1}"