#!/bin/bash
#
# Copyright 2019,2023 JS Foundation and other contributors, https://js.foundation/
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Node-RED Installer for RPM based systems
unset NODERED_HOME
umask 0022
usage() {
cat << EOL
Usage: $0 [options]
options:
--help display this help and exits.
--nodered-user=<user> specify the user to run as e.g. '--nodered-user=nodered'.
--open-firewall adding public firewall rule for node-red port 1880.
--confirm-root install as root without asking confirmation.
--confirm-install confirm the installation without asking a confirmation.
EOL
}
#NODE_VERSION=""
if [ $# -gt 0 ]; then
# Parsing parameters
while (( "$#" )); do
case "$1" in
--help)
usage && exit 0
shift
;;
--confirm-root)
CONFIRM_ROOT="y"
shift
;;
--confirm-install)
CONFIRM_INSTALL="y"
shift
;;
--open-firewall)
OPEN_FIREWALL="y"
shift
;;
--nodered-user=*)
NODERED_USER="${1#*=}"
shift
;;
--) # end argument parsing
shift
break
;;
-*|--*=) # unsupported flags
echo "Error: Unsupported flag $1" >&2
exit 1
;;
esac
done
fi
echo -ne "\033[2 q"
echo -en "\n **************************************\n"
echo -en " *** \e[1;91mNode-RED\e[0;97m \e[1;97mRPM install Script\e[0m ***\n"
echo -en " **************************************\n"
# sanitize environment
case "${CONFIRM_ROOT}" in
[Yy]* )
export CONFIRM_ROOT=y
;;
[Nn]* )
export CONFIRM_ROOT=n
;;
* )
export CONFIRM_ROOT=n
;;
esac
case "${CONFIRM_INSTALL}" in
[Yy]* )
export CONFIRM_INSTALL=y
;;
[Nn]* )
export CONFIRM_INSTALL=n
;;
* )
export CONFIRM_INSTALL=n
;;
esac
# user requested, not root
if [[ -n "${NODERED_USER}" ]] && [[ "${NODERED_USER}" != "root" ]] && [[ "${CONFIRM_INSTALL}" == "n" ]]
then
echo -en "\nThe sytem user is requested as \e[1;32m'${NODERED_USER}'\e[0m\r\n\r\n"
read -p $'\e[0;97mAre you really sure you want to install as the target user \e[1;32m'"'${NODERED_USER}'"$'\e[0;97m? [\e[1;32my\e[0m/N] ?\e[0m' yn
case $yn in
[Yy]* )
;;
* )
exit
;;
esac
fi
# user root requested
if [[ -n "${NODERED_USER}" ]] && [[ "${NODERED_USER}" == "root" ]] && [[ "${CONFIRM_ROOT}" == "n" ]]
then
echo -en "\nThe sytem user is requested as \e[1;33m'${NODERED_USER}'\e[0m\r\n\r\n"
read -p $'\e[0;97mAre you really sure you want to install as the target user \e[1;33m'"'${NODERED_USER}'"$'\e[0;97m? [\e[1;33my\e[0m/N] ?\e[0m' yn
case $yn in
[Yy]* )
;;
* )
exit
;;
esac
fi
# no user requested, default to the current non root user
if [[ "${EUID}" != "0" ]] && [[ -z "${NODERED_USER}" ]] && [[ "${CONFIRM_INSTALL}" == "n" ]]
then echo -en "\e[0;97m\nNo user has been set, this script is run as user '\e[1;33m${USER}\e[0;97m'.\r\n\r\n"
read -p $'\e[0;97mWould you like to change to the recommended the target user to \e[1;32m\'nodered\'\e[0;97m? [\e[1;32my\e[0m/N] ' yn
case $yn in
[Yy]* )
export NODERED_USER=nodered
;;
* )
;;
esac
fi
# no user requested, default to the current root user
if [[ "${EUID}" == "0" ]] && [[ -z "${NODERED_USER}" ]] && [[ "${CONFIRM_ROOT}" == "n" ]]
then
echo -en "\nThe current user \e[1;33mroot\e[0m defaults as the target user for node-red install.\r\n\r\n"
read -p $'\e[0;97mAre you really sure you want to install as the target user \e[1;31mroot\e[0;97m ? [\e[1;31my\e[0;97m/N] ?\e[0m' yn
case $yn in
[Yy]* )
[[ -n "${NODERED_HOME}" ]] || export NODERED_HOME=/root;
;;
* )
exit
;;
esac
fi
if [[ -z "${OPEN_FIREWALL}" ]] && [[ "${CONFIRM_INSTALL}" == "n" ]]
then
OPEN_FIREWALL="n"
read -r -t 15 -p $'\e[0;97mWould you like to add Node-RED port \e[34m1880\e[0;97m to the \e[1;34mfirewall\e[0;97m public zone ? [\e[1;34my\e[0;97m/N] ? ' response
if [[ "$response" =~ ^([yY])+$ ]]; then
OPEN_FIREWALL="y"
fi
fi
# sanitize environment variable OPEN_FIREWALL
case "${OPEN_FIREWALL}" in
[Yy]* )
export OPEN_FIREWALL=y
;;
[Nn]* )
export OPEN_FIREWALL=n
;;
* )
export OPEN_FIREWALL=n
;;
esac
# this script assumes that $HOME is the folder of the user that runs node-red
# that $USER is the user name and the group name to use when running is the
# primary group of that user
# if this is not correct then edit the lines below
[[ -n "${NODERED_USER}" ]] || export NODERED_USER=$USER;
[[ -n "${NODERED_HOME}" ]] || export NODERED_HOME="/home/${NODERED_USER}"
# check internet, if failure exit
if curl -f https://www.npmjs.com/package/node-red >/dev/null 2>&1
then
echo " "
else
echo " "
echo "Sorry - cannot connect to internet - not going to touch anything."
echo "https://www.npmjs.com/package/node-red is not reachable."
echo "Please ensure you have a working internet connection."
echo " "
exit 1
fi
# final install details
host=`hostname`
echo -e "\e[1;33m ${host}\e[0m : \e[1;97mNode-RED update \e[0;97m"
echo " "
echo -e "This script will do an install of node.js and \e[1;91mNode-RED\e[0;97m"
echo -e " with the service to auto-run as user \e[1;33m'${NODERED_USER}'\e[0m"
echo -e " in the home directory \e[1;37m'${NODERED_HOME}'\e[0m"
[[ "${OPEN_FIREWALL}" == "y" ]] && echo -e " with public \e[1;34mfirewall\e[0;97m port \e[34m1880\e[0;97m opened."
echo " "
# final confirmation of the install
yn="${CONFIRM_INSTALL}"
[[ "${yn}" == "y" ]] || read -p $'\e[1;97mAre you really \e[0m\e[1;32msure\e[1;97m you want to do this ? [\e[1;32my\e[1;97m/N] ?\e[0m' yn
case "${yn}" in
[Yy]* )
sudo ()
{
[[ $EUID = 0 ]] || set -- command sudo "$@"
"$@"
}
sudo useradd ${NODERED_USER}
NODERED_GROUP=`id -gn ${NODERED_USER}`
MYOS=$(cat /etc/*release | grep "^ID=" | cut -d = -f 2)
versions='fedora"centos"rhel"ol"almalinux"rocky"miraclelinux"nobara"'
if [[ $versions != *"${MYOS}"* ]]; then
echo " "
echo "Doesn't seem to be running on RedHat, Centos, Fedora, Rocky, Alma, Oracle Linux, MIRACLE LINUX or Nobara so quitting"
echo " "
exit 1
fi
GLOBAL="true"
TICK='\033[1;32m\u2714\033[0m'
CROSS='\033[1;31m\u2718\033[0m'
sudo cd "${NODERED_HOME}" || exit 1
clear
echo -e "\n\e[0;97mRunning nodejs and Node-RED install for user '\e[1;33m${NODERED_USER}\e[0;97m' at '${NODERED_HOME}' on ${MYOS}\e[0m\n"
time1=$(date)
echo "" | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo "***************************************" | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo "" | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo "Started : "$time1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo "Running for user $USER at $HOME" | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo -ne ' Stop Node-RED \r\n'
echo -ne ' Install Node.js \r\n'
echo -ne ' Install Node-RED core \r\n'
echo -ne ' Add shortcut commands \r\n'
echo -ne ' Update systemd script \r\n'
echo -ne ' Update public zone firewall rule \r\n'
echo -ne ' \r\n'
echo -ne '\r\nAny errors will be logged to /var/log/nodered-install.log\r\n'
echo -ne '\033[9A'
# stop any running node-red service
if sudo systemctl stop nodered 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null ; then CHAR=$TICK; else CHAR=$CROSS; fi
echo -ne " Stop Node-RED $CHAR\r\n"
# ensure ~/.config dir is owned by the user
sudo chown -Rf ${NODERED_USER}:${NODERED_GROUP} ${NODERED_HOME}/.config
echo "Now install nodejs" | sudo tee -a /var/log/nodered-install.log >>/dev/null
# if [ "${MYOS}" = "fedora" ] || [ "${MYOS}" = "almalinux" ] || [ "${MYOS}" = "rocky" ] || [ "${MYOS}" = "miraclelinux" ]; then
# sudo dnf module reset -y nodejs 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
# if sudo dnf module install -y nodejs:18/default 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
# else
# if [ "$EUID" == "0" ]
# then
# if curl -fsSL https://rpm.nodesource.com/setup_18.x | bash - 2>&1 | tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
# else
# if curl -fsSL https://rpm.nodesource.com/setup_18.x | sudo -E bash - 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
# fi
# if sudo yum install -y nodejs 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
# fi
sudo yum install https://rpm.nodesource.com/pub_18.x/nodistro/repo/nodesource-release-nodistro-1.noarch.rpm -y 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
if sudo yum install nodejs -y --setopt=nodesource-nodejs.module_hotfixes=1 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
echo -ne " Install Node.js LTS $CHAR"
# sudo npm i -g npm 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null;
hash -r
rc=""
if nov=$(node -v 2>/dev/null); then :; else rc="ERR"; fi
if npv=$(npm -v 2>/dev/null); then :; else rc="ERR"; fi
if [[ $rc == "" ]]; then
echo -ne " Node $nov Npm $npv\r\n"
else
echo -ne "\b$CROSS Failed to install Node.js - Exit\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n"
exit 2
fi
# clean up the npm cache and node-gyp
# and install Node-RED
echo "Now install Node-RED" | sudo tee -a /var/log/nodered-install.log >>/dev/null
if sudo npm i -g --unsafe-perm --no-progress node-red@latest 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
nrv=$(npm --no-progress -g ls node-red | grep node-red | cut -d '@' -f 2 | sudo tee -a /var/log/nodered-install.log) >>/dev/null 2>&1
echo -ne " Install Node-RED core $CHAR $nrv\r\n"
echo "Now create basic package.json for the user" | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo lastlog -u ${NODERED_USER} -C >>/dev/null 2>&1
sudo su - ${NODERED_USER} <<'EOF'
cd
mkdir -p ".node-red/node_modules"
cd .node-red
npm config set update-notifier false #2>&1 >>/dev/null
if [ ! -f "package.json" ]; then
echo '{' > package.json
echo ' "name": "node-red-project",' >> package.json
echo ' "description": "initially created for you by Node-RED '$nrv'",' >> package.json
echo ' "version": "0.0.1",' >> package.json
echo ' "dependencies": {' >> package.json
echo ' }' >> package.json
echo '}' >> package.json
fi
EOF
echo "Now add start/stop/reload/log scripts" | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo mkdir -p /usr/bin
if curl -f https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-icon.svg >/dev/null 2>&1
then
sudo curl -sL -o /usr/bin/node-red-start https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-start.rpm 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo curl -sL -o /usr/bin/node-red-stop https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-stop 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo curl -sL -o /usr/bin/node-red-restart https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-restart 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo curl -sL -o /usr/bin/node-red-reload https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-reload 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo curl -sL -o /usr/bin/node-red-log https://raw.githubusercontent.com/node-red/linux-installers/master/resources/node-red-log 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo curl -sL -o /etc/logrotate.d/nodered https://raw.githubusercontent.com/node-red/linux-installers/master/resources/nodered.rotate 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo chmod +x /usr/bin/node-red-start
sudo chmod +x /usr/bin/node-red-stop
sudo chmod +x /usr/bin/node-red-restart
sudo chmod +x /usr/bin/node-red-reload
sudo chmod +x /usr/bin/node-red-log
echo -ne " Add shortcut commands $TICK\r\n"
else
echo -ne " Add shortcut commands $CROSS\r\n"
fi
# add systemd script and configure it for ${NODERED_USER}
echo "Now add systemd script and configure it for ${NODERED_USER}:${NODERED_GROUP} @ ${NODERED_HOME}" | sudo tee -a /var/log/nodered-install.log >>/dev/null
# check if systemd script already exists
SYSTEMDFILE="/etc/systemd/system/nodered.service"
if sudo curl -sL -o ${SYSTEMDFILE}.temp https://raw.githubusercontent.com/node-red/linux-installers/master/resources/nodered.service 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
# set the User,Group,EnvironmentFile and WorkingDirectory in nodered.service
sudo sed -i 's#^User=pi#User='${NODERED_USER}'#;
s#^Group=pi#Group='${NODERED_GROUP}'#;
s#^WorkingDirectory=/home/pi#WorkingDirectory='${NODERED_HOME}'#;
s#^EnvironmentFile=-/home/pi/.node-red#EnvironmentFile=-/etc/node-red#;
s!^Environment="NODE_OPTIONS=--max_old_space_size=512"!#Environment="NODE_OPTIONS=--max_old_space_size=512"!' ${SYSTEMDFILE}.temp
if test -f "${SYSTEMDFILE}"; then
# there's already a systemd script
EXISTING_FILE=$(md5sum ${SYSTEMDFILE} | awk '$1 "${SYSTEMDFILE}" {print $1}');
TEMP_FILE=$(md5sum ${SYSTEMDFILE}.temp | awk '$1 "${SYSTEMDFILE}.temp" {print $1}');
if [[ $EXISTING_FILE == $TEMP_FILE ]];
then
: # silent procedure
else
echo "Customized systemd script found @ ${SYSTEMDFILE}. To prevent loss of modifications, we'll not recreate the systemd script." | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo "If you want the installer to recreate the systemd script, please delete or rename the current script & re-run the installer." | sudo tee -a /var/log/nodered-install.log >>/dev/null
CHAR="- Skipped - existing script is customized."
fi
sudo rm ${SYSTEMDFILE}.temp
else
sudo mv ${SYSTEMDFILE}.temp ${SYSTEMDFILE}
fi
# make environment file for systemd
sudo mkdir -p /etc/node-red
if test ! -f /etc/node-red/environment; then
echo "# Node-RED EnvironmentFile for Systemd Service" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "# after edit this file `sudo systemctl restart nodered` to reload Node-red with the new options" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "# uncomment and edit if running on low memory resource hardware" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "#NODE_OPTIONS=--max_old_space_size=512" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "# uncomment next line and edit if you need an http proxy" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "#HTTP_PROXY=my.httpproxy.server.address" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "# uncomment the next line for a more verbose log output" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "#NODE_RED_OPTIONS=-v" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "" | sudo tee -a /etc/node-red/environment >>/dev/null
echo "Created /etc/node-red/environment for systemd service." | sudo tee -a /var/log/nodered-install.log >>/dev/null
fi
sudo systemctl daemon-reload 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo -ne " Update systemd script $CHAR\r\n"
if [[ ${OPEN_FIREWALL} == "y" ]]; then
echo "Now add firewall rule for 1880" | sudo tee -a /var/log/nodered-install.log >>/dev/null
if sudo curl -sL -o /etc/firewalld/services/nodered.xml https://raw.githubusercontent.com/node-red/linux-installers/master/resources/nodered.xml 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null; then CHAR=$TICK; else CHAR=$CROSS; fi
sudo firewall-cmd --zone=public --add-service=nodered 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo firewall-cmd --reload 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo firewall-cmd --zone=public --add-service=nodered --permanent 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
sudo firewall-cmd --reload 2>&1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo -ne " Update public zone firewall rule $CHAR\r\n"
else
echo "Not adding firewall rule" | sudo tee -a /var/log/nodered-install.log >>/dev/null
echo -ne " Not adding firewall rule -\r\n"
fi
echo -ne "\r\n\r\n\r\n"
echo -ne "All done.\r\n"
echo -ne " You can now start Node-RED with the command \033[0;36mnode-red-start\033[0m\r\n"
echo -ne " Then point your browser to \033[0;36mlocalhost:1880\033[0m or \033[0;36mhttp://{your_ip-address}:1880\033[0m\r\n"
echo -ne "\r\nStarted $time1 - Finished $(date)\r\n\r\n"
echo "Finished : "$time1 | sudo tee -a /var/log/nodered-install.log >>/dev/null
;;
* )
echo " "
exit 1
;;
esac