installer.sh

#!/bin/bash
export DEBIAN_FRONTEND=noninteractive

APP_PATH="/opt/ipmonitor"
DOCKER_REQ_VERSION="24"
echo ""
echo ""

echo "Welcome to IPMonitor installer"
echo ""
echo "Please, enter your domain name without http://"
echo "For example:     yourdomain.com"
echo "We need your domain for obtaining SSL certificates from Letsencrypt, to serve data over SSL"
echo "Be aware, this domain should be the same domain name which you registered with your license for IPmonitor"
read -r -p "Enter your domain name:   " APP_DOMAIN
read -r -p "Enter your email for first user in IPmonitor App, and to use in letsencrypt request:   " USER_EMAIL
export APP_DOMAIN=$APP_DOMAIN
export USER_EMAIL=$USER_EMAIL
while true; do
    read -r -p "Please provide full path to your license.dat file. Example: /home/user/license.dat:   " LICENSE_PATH
        if [ ! -f "$LICENSE_PATH" ]; then
            echo "File does not exist in this place, please try again"
        else
          echo "Thank you"
          break;
        fi
  done

echo "Update apt cache and install tools:"
sudo apt update
sudo apt install make git -y;
echo ""
echo "Preparing working dir"
echo "Checking application folder if it exists, if not, create dir and git clone installer repo"
if [[ -d $APP_PATH && -n $(ls -A "$APP_PATH") ]]; then
 echo "Project folder exists and is not empty."
 cd /opt/ipmonitor || exit
 echo "We should stop existing stack if it's running. Please, be sure to backup your data if you are upgrading your version"
 sudo -E docker-compose -f docker-compose.yml stop &> /dev/null || true
else
  echo "Project folder does not exist or is empty."
  sudo mkdir -p $APP_PATH
  echo "Folder $APP_PATH created."
  sudo chown -R "$(whoami)":"$(whoami)" $APP_PATH
  echo "Folder $APP_PATH chowned by current user: $(whoami)"
  cd $APP_PATH || exit
  echo "Switched to working directory"
  git clone https://github.com/octeth/ipmonitor-install.git .
  echo "Cloned installer files from public repository into $APP_PATH"
  cp .env.install .env
  echo ""
  echo "USER_EMAIL=${USER_EMAIL}" | sudo tee -a ${APP_PATH}/.env
  sed -i 's/APP_DOMAIN=.*/APP_DOMAIN='"$APP_DOMAIN"'/' .env
  echo ""

  sudo cp "${LICENSE_PATH}" ${APP_PATH}/license.dat


  echo "Checking if openssl is installed, we need it to generate some stuff for https":
  if command -v openssl &> /dev/null; then
      sudo -E openssl dhparam -out ./.etc/letsencrypt/dhparam-2048.pem 2048 &> /dev/null
  else
      echo "OpenSSL is not installed."
      sudo apt-get install openssl
  fi

  echo "Generating mysql password:"
  MYSQL_PASSWORD=$(tr -dc A-Za-z0-9 </dev/urandom | head -c 24)
   sed -i 's/DB_PASSWORD=.*/DB_PASSWORD='"$MYSQL_PASSWORD"'/' .env
   echo "Done"

fi

if ! command -v docker &> /dev/null; then
    echo "Docker is not installed. Installing Docker..."
    # Install Docker using the official script (for Linux)
    curl -fsSL https://get.docker.com -o get-docker.sh
    sudo sh get-docker.sh
    # Start and enable the Docker service (for Linux)
    sudo systemctl enable docker
    sudo systemctl start docker
    rm get-docker.sh
    echo "Docker has been installed."
    echo ""
    echo "Add user to docker group:"
    sudo -E usermod -aG docker "$USER"
    echo "Done"
    # Check Docker version
    docker_version=$(sudo docker --version  2>&1)
    echo "Docker version: $docker_version"
fi

if command -v docker &> /dev/null; then
    docker_version=$(docker --version | awk '{print $3}' | cut -d ',' -f1)
    required_version=${DOCKER_REQ_VERSION}  # Define the required major version as a string
    echo $required_version
    # Extract the major version from the Docker version string
    installed_major_version=$(echo "$docker_version" | cut -d '.' -f1)

    if [ "$installed_major_version" -lt "$required_version" ]; then
        read -r -p "The installed Docker version may not be compatible with this script. Do you want to proceed? (yes/no): " proceed
        if [ "$proceed" != "yes" ]; then
            echo "Exiting script."
            exit 1
        fi

    fi
        cd ${APP_PATH} || exit

        echo "Startup certbot to generate a certificates for your $APP_DOMAIN:"
        sudo -E make dc-certbot-install
        echo "Done"
        echo ""
        echo "Spinning up our application:"
        sudo -E make dc-first-install-app
        echo ""
        echo "Done"
        echo "Please create first user in the system:"
        sudo -E make dc-create-first-user USER_EMAIL=${USER_EMAIL}

        echo "Setting up crontab:"
        crontab -l 2>/dev/null; crontab ./.etc/crontab/ipmonitor

fi

echo ""
echo "Installation completed. You can visit webpage here https://$APP_DOMAIN"