树莓派Debian安装Home Assistant并添加自启动脚本

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家里买了一堆小米的产品，无奈自己和老婆用的都是苹果，个人体验米家的APP用起来体验不怎么样。

于是乎想起来手里还有块闲置很多年的树莓派2B，可以安装Home Assistant把小米硬件桥接到IOS系统的家庭应用中。

系统用的是树莓派官方最精简的Raspbian 32位，也就是Debian啦。

ps：运行起来内存占用小于150M 

安装Home Assistant安装官网的指引即可，链接如下。

https://www.home-assistant.io/installation/raspberrypi

桥接小米生态需要安装xiaomi_miot_raw插件，过程很简单，插件可以到Github上搜索。

 折腾完的浏览器界面如下：

使用IPAD作为枢纽，然后共享给家庭成员即可。

iPhone 界面如下：

遇到问题就是Home Assistant服务关机后不能自启动。 

于是网上查了下找到了下边的脚本。

1、安装 daemonize

sudo apt install daemonize

2、新建脚本

sudo nano /etc/init.d/hass-daemon

3、脚本内容如下

#!/bin/sh
### BEGIN INIT INFO
# Provides:          hass
# Required-Start:    $local_fs $network $named $time $syslog
# Required-Stop:     $local_fs $network $named $time $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Description:       Home\ Assistant
### END INIT INFO

# /etc/init.d Service Script for Home Assistant
# Created with: https://gist.github.com/naholyr/4275302#file-new-service-sh
PRE_EXEC="cd /srv/homeassistant; python3.9 -m venv .; source bin/activate;"
# Typically /usr/bin/hass
HASS_BIN="/srv/homeassistant/bin/hass"
RUN_AS="homeassistant"
PID_DIR="/var/run/hass"
PID_FILE="$PID_DIR/hass.pid"
CONFIG_DIR="/home/$RUN_AS/.homeassistant"
LOG_DIR="/var/log/homeassistant"
LOG_FILE="$LOG_DIR/home-assistant.log"
FLAGS="-v --config $CONFIG_DIR --log-file $LOG_FILE --log-rotate-days 7"
DAEMONIZE="daemonize -c /srv/homeassistant -e $LOG_FILE.stderr -o $LOG_FILE.stdout -p $PID_FILE -l $PID_FILE -v"

start() {
  create_piddir
  if [ -f $PID_FILE ] && kill -0 $(cat $PID_FILE) 2> /dev/null; then
    echo 'Service already running' >&2
    return 1
  fi
  echo -n 'Starting service… ' >&2
  local CMD="$PRE_EXEC $DAEMONIZE $HASS_BIN $FLAGS"
  su -s /bin/bash -c "$CMD" $RUN_AS
  if [ $? -ne 0 ]; then
    echo "Failed" >&2
  else
    echo 'Done' >&2
  fi
}

stop() {
  if [ ! -f "$PID_FILE" ] || ! kill -0 $(cat "$PID_FILE") 2> /dev/null; then
    echo 'Service not running' >&2
    return 1
  fi
  echo -n 'Stopping service… ' >&2
  kill $(cat "$PID_FILE")
  while ps -p $(cat "$PID_FILE") > /dev/null 2>&1; do sleep 1;done;
  rm -f $PID_FILE
  echo 'Done' >&2
}

install() {
  echo "Installing Home Assistant Daemon (hass-daemon)"
  update-rc.d hass-daemon defaults
  create_piddir
  mkdir -p $CONFIG_DIR
  chown $RUN_AS $CONFIG_DIR
  mkdir -p $LOG_DIR
  chown $RUN_AS $LOG_DIR
}

uninstall() {
  echo "Are you really sure you want to uninstall this service? The INIT script will"
  echo -n "also be deleted! That cannot be undone. [yes|No] "
  local SURE
  read SURE
  if [ "$SURE" = "yes" ]; then
    stop
    remove_piddir
    echo "Notice: The config directory has not been removed"
    echo $CONFIG_DIR
    echo "Notice: The log directory has not been removed"
    echo $LOG_DIR
    update-rc.d -f hass-daemon remove
    rm -fv "$0"
    echo "Home Assistant Daemon has been removed. Home Assistant is still installed."
  fi
}

create_piddir() {
  if [ ! -d "$PID_DIR" ]; then
    mkdir -p $PID_DIR
    chown $RUN_AS "$PID_DIR"
  fi
}

remove_piddir() {
  if [ -d "$PID_DIR" ]; then
    if [ -e "$PID_FILE" ]; then
      rm -fv "$PID_FILE"
    fi
    rmdir -v "$PID_DIR"
  fi
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  install)
    install
    ;;
  uninstall)
    uninstall
    ;;
  restart)
    stop
    start
    ;;
  *)
    echo "Usage: $0 {start|stop|restart|install|uninstall}"
esac

4、给脚本运行权限

sudo chmod +x /etc/init.d/hass-daemon

5、安装服务 

sudo service hass-daemon install

6、重启系统看下是否生效了。

reboot

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