install.sh

#!/bin/bash

set -e

######################################################################################
#                                                                                    #
# Project 'pelican-installer'                                                        #
#                                                                                    #
# Copyright (C) 2018 - 2024, Vilhelm Prytz, <vilhelm@prytznet.se>                    #
# Copyright (C) 2021 - 2024, Matthew Jacob, <me@matthew.expert>                      #
#                                                                                    #
#   This program is free software: you can redistribute it and/or modify             #
#   it under the terms of the GNU General Public License as published by             #
#   the Free Software Foundation, either version 3 of the License, or                #
#   (at your option) any later version.                                              #
#                                                                                    #
#   This program is distributed in the hope that it will be useful,                  #
#   but WITHOUT ANY WARRANTY; without even the implied warranty of                   #
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                    #
#   GNU General Public License for more details.                                     #
#                                                                                    #
#   You should have received a copy of the GNU General Public License                #
#   along with this program.  If not, see <https://www.gnu.org/licenses/>.           #
#                                                                                    #
# https://github.com/pelican-installer/pelican-installer/blob/Production/LICENSE.md  #
#                                                                                    #
# This script is not associated with the official Pelican Project.                   #
# https://github.com/pelican-installer/pelican-installer                             #
#                                                                                    #
######################################################################################

export GITHUB_SOURCE="Production"
export SCRIPT_RELEASE="canary"
export GITHUB_BASE_URL="https://raw.githubusercontent.com/pelican-installer/pelican-installer"

LOG_PATH="/var/log/pelican-installer.log"

output() {
  echo "* ${1}"
}

error() {
  COLOR_RED='\033[0;31m'
  COLOR_NC='\033[0m'

  echo ""
  echo -e "* ${COLOR_RED}ERROR${COLOR_NC}: $1"
  echo ""
}

# Exit with error status code if user is not root
if [[ $EUID -ne 0 ]]; then
  error "This script must be executed with root privileges (sudo)." 1>&2
  exit 1
fi

# Check for curl
if ! [ -x "$(command -v curl)" ]; then
  echo "* Installing dependencies."
  # Rockey / Alma
  if [ -n "$(command -v yum)" ]; then
    yum update -y >> /dev/null 2>&1
    yum -y install curl >> /dev/null 2>&1
  fi
  # Debian / Ubuntu
  if [ -n "$(command -v apt)" ]; then
    DEBIAN_FRONTEND=noninteractive apt update -y >> /dev/null 2>&1
    DEBIAN_FRONTEND=noninteractive apt install -y --no-install-recommends snapd cron curl wget gzip jq >> /dev/null 2>&1
  fi
  # Check if curl is installed
  if ! [ -x "$(command -v curl)" ]; then
    echo "* curl is required in order for this script to work."
    echo "* install using apt (Debian and derivatives) or yum/dnf (CentOS)"
    exit 1
  fi
fi

# Always remove lib.sh, before downloading it
rm -rf /tmp/lib.sh
curl -sSL -o /tmp/lib.sh "$GITHUB_BASE_URL/$GITHUB_SOURCE"/lib/lib.sh
# shellcheck source=lib/lib.sh
source /tmp/lib.sh

execute() {
  echo -e "\n\n* pelican-installer $(date) \n\n" >>$LOG_PATH

  [[ "$1" == *"canary"* ]] && export GITHUB_SOURCE="Production" && export SCRIPT_RELEASE="canary"
  update_lib_source
  run_ui "${1//_canary/}" |& tee -a $LOG_PATH

  if [[ -n $2 ]]; then
    echo -e -n "* Installation of $1 completed. Do you want to proceed to $2 installation? (y/N): "
    read -r CONFIRM
    if [[ "$CONFIRM" =~ [Yy] ]]; then
      execute "$2"
    else
      error "Installation of $2 aborted."
      exit 1
    fi
  fi
}

welcome ""

done=false
while [ "$done" == false ]; do
  options=(
    "Install the Panel - Standard installation of the Pelican Panel"
    "Install Wings - Standard installation of the Pelican Wings"
    "Install Both Standard [0] and [1] on the same machine (wings script runs after panel)"
    "Both Test Environment - Full automation and zero prompts, HTTP-only"

    "Attempt to uninstall panel or wings with (the versions that lives in Production, may be broken!)"
  )

  actions=(
    "panel"
    "wings"
    "panel;wings"
    "basic"
    "uninstall"
  )

  output "What would you like to do?"

  for i in "${!options[@]}"; do
    output "[$i] ${options[$i]}"
  done

  echo -n "* Input 0-$((${#actions[@]} - 1)): "
  read -r action

  [ -z "$action" ] && error "Input is required" && continue

  valid_input=("$(for ((i = 0; i <= ${#actions[@]} - 1; i += 1)); do echo "${i}"; done)")
  [[ ! " ${valid_input[*]} " =~ ${action} ]] && error "Invalid option"
  [[ " ${valid_input[*]} " =~ ${action} ]] && done=true && IFS=";" read -r i1 i2 <<<"${actions[$action]}" && execute "$i1" "$i2"
done

# Remove lib.sh, so next time the script is run the, newest version is downloaded.
rm -rf /tmp/lib.sh