noderedsetup

#!/bin/bash
# V0.1
set +e
snam="noderedsetup"

# default params for hotspot
hnam="pumpcentral"
hpwd="hallohallo"
#

function ipt_flush {
  logger -s -t $snam "  iptables flush"
  iptables -t nat -F
  iptables -t mangle -F
  iptables -t nat -X
  iptables -t mangle -X
  iptables -t raw -F
  iptables -t raw -X
  iptables -F
  iptables -X
}

function ipt_chains {
  logger -s -t $snam "  iptables chains"
  iptables -P INPUT   ACCEPT
  iptables -P OUTPUT  ACCEPT
  iptables -P FORWARD ACCEPT
}

function hostname_change {
  if [ "$1" != "" ]; then
    logger -s -t $snam "  set hostname to $1"
    fil="/etc/hosts"
    sed -r -i '/^127.0.1.1/d' $fil
    echo -e "127.0.1.1 \t$1" >> $fil
    /usr/bin/hostnamectl set-hostname $1
  else
    logger -s -t $snam "  ERR: hostname_change wrong param $1"
  fi
}

function hotspot_setup {
  if [ "$1" != "" ]; then
    logger -s -t $snam "  hotspot setup"
    sudo cp /usr/local/sbin/hotspot /usr/local/sbin/hotspot_old > /dev/null
    sudo rm /usr/local/sbin/hotspot > /dev/null
    wget https://raw.githubusercontent.com/rudiratlos/hotspot/master/hotspot -O /usr/local/sbin/hotspot > /dev/null 2>&1
    sudo chmod +x /usr/local/sbin/hotspot > /dev/null
#   hotspot setup  noswpkg
    hotspot setup
    hotspot modpar hostapd ssid "$1"
    hotspot modpar hostapd wpa_passphrase "$2"
#   hotspot modpar hostapd country DE
  else
    logger -s -t $snam "  ERR: hotspot_setup wrong param $1 $2"
  fi
}

function mqtt_setup {
  logger -s -t $snam "  mqtt setup"
  sudo apt install -y build-essential mosquitto mosquitto-clients
  sudo systemctl enable mosquitto.service
}

function nodered_setup {
# doc: https://nodered.org/docs/hardware/raspberrypi
  logger -s -t $snam "  node-red setup (give 3x y)"
  bash <(curl -sL https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/update-nodejs-and-nodered)
  sudo systemctl enable nodered.service
  sudo wget https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/nodered.service -O /lib/systemd/system/nodered.service > /dev/null 2>&1
  sudo wget https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-start -O /usr/bin/node-red-start > /dev/null 2>&1
  sudo wget https://raw.githubusercontent.com/node-red/raspbian-deb-package/master/resources/node-red-stop -O /usr/bin/node-red-stop > /dev/null 2>&1
  sudo chmod +x /usr/bin/node-red-st* > /dev/null
  sudo systemctl daemon-reload
# npm i node-red/node-red-dashboard
}

logger -s -t $snam "  start install (required: fresh raspbian image)..."
sudo apt-get -qy update
sudo apt-get -qy install curl
#ipt_flush
#ipt_chains
hostname_change "$hnam"
hotspot_setup   "$hnam" "$hpwd"
mqtt_setup
nodered_setup
logger -s -t $snam "  end   install..."
logger -s -t $snam "if everything went well, pls. reboot"