Jose Henrique
f851a95bdf
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Check scripts syntax / check-scripts-syntax (push) Successful in 22s
292 lines
9.5 KiB
Bash
292 lines
9.5 KiB
Bash
#!/bin/bash
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# NAS Backup Script to Google Drive using rclone and 7zip
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# For each folder on BACKUP_SOURCE, it gets the sha256 checksum of it, checks the checksum against the previous backup, and if it has changed, it creates a 7zip archive of the folder with encryption.
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# It then uploads the archive to Google Drive using rclone.
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# Install: curl -sSL https://git.ivanch.me/ivanch/server-scripts/raw/branch/main/nas-gdrive-backup.sh | bash -s -- --install
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# Run manually: /usr/local/bin/nas-gdrive-backup.sh
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# Configuration
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BACKUP_SOURCE="/export/Backup"
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META_DIR="/export/Backup/.gdrive"
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TMP_DIR="/export/Backup/.gdrive/tmp"
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ZIP_PASSWORD="password"
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GDRIVE_REMOTE="gdrive"
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GDRIVE_PATH="/NAS-Backups"
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ARCHIVE_NAME="backup.7z"
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LOG_FILE="/var/log/nas-gdrive-backup.log"
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# Function for logging
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log() {
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echo "$(date '+%Y-%m-%d %H:%M:%S') - $1" | tee -a "$LOG_FILE"
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}
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clean_up() {
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log "Cleaning up temporary files"
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rm -rf "$TMP_DIR"
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}
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trap clean_up EXIT
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create_7z() {
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local folder="$1"
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local archive_name="$2"
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log "Creating 7zip archive of $folder"
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7z a -p"$ZIP_PASSWORD" -mhe=on -mx=3 "$archive_name" "$folder"
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if [ $? -ne 0 ]; then
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log "ERROR: Failed to create 7zip archive of $folder"
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fi
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}
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upload_to_gdrive() {
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local archive_name="$1"
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log "Uploading $archive_name to Google Drive"
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# Should replace existing file if it exists
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rclone copy "$archive_name" "$GDRIVE_REMOTE:$GDRIVE_PATH" \
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--progress \
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--check-first \
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--transfers 1 \
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--checkers 1 \
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--retries 1 \
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--low-level-retries 10
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if [ $? -ne 0 ]; then
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log "ERROR: Failed to upload $archive_name to Google Drive"
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fi
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}
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main() {
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# Check if 7z is installed
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if ! which 7z > /dev/null; then
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log "ERROR: 7z is not installed"
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exit 1
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fi
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# Check if rclone is installed
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if ! which rclone > /dev/null; then
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log "ERROR: rclone is not installed"
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exit 1
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fi
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# Create meta directory if it doesn't exist
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if [ ! -d "$META_DIR" ]; then
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log "Creating meta directory: $META_DIR"
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mkdir -p "$META_DIR"
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fi
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# Fix permissions for the meta directory (777 recursively)
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chmod -R 777 "$META_DIR"
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# Loop through each folder in the backup source
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for folder in "$BACKUP_SOURCE"/*; do
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if [ -d "$folder" ]; then
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log "Processing folder: $folder"
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# Get the sha256 checksum of the folder
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CHECKSUM=$(find "$folder" -type f -exec sha256sum {} + | sha256sum | awk '{print $1}')
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META_FILE="$META_DIR/$(basename "$folder").sha256"
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# Check if the checksum file exists
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if [ -f "$META_FILE" ]; then
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# Read the previous checksum from the file
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PREV_CHECKSUM=$(cat "$META_FILE")
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# Compare the checksums
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if [ "$CHECKSUM" != "$PREV_CHECKSUM" ]; then
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log "Changes detected in $folder - creating new archive"
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create_7z "$folder" "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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upload_to_gdrive "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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# Update the checksum file
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echo "$CHECKSUM" > "$META_FILE"
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# Remove the temporary archive file
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log "Removing temporary archive file"
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rm "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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else
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log "No changes detected in $folder"
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fi
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else
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log "No previous checksum found for $folder - creating new archive"
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create_7z "$folder" "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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upload_to_gdrive "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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# Create a checksum file for the folder
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echo "$CHECKSUM" > "$META_FILE"
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# Remove the temporary archive file
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log "Removing temporary archive file"
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rm "$TMP_DIR/$(basename "$folder")_$ARCHIVE_NAME"
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fi
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else
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log "Skipping $folder, not a directory"
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fi
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log ""
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done
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# Fix permissions for the meta directory (777 recursively)
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chmod -R 777 "$META_DIR"
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log "Backup process completed successfully"
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# Exit with success
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exit 0
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}
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###########################
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### Installation script ###
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###########################
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# Function to install a dependency if not already installed
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install_dependency() {
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local package="$1"
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if ! dpkg -l | grep -q "$package"; then
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install_log_info "Installing $package"
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apt-get update && apt-get install -y "$package"
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if [ $? -ne 0 ]; then
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install_log_error "ERROR: Failed to install $package"
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exit 1
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fi
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install_log_ok "$package installed successfully"
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else
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install_log_ok "$package is already installed"
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fi
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}
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install_log_ok() {
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echo -e "\e[32m[✓]\e[0m $1"
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}
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install_log_error() {
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echo -e "\e[31m[✗]\e[0m $1"
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}
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install_log_info() {
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echo -e "\e[34m[!]\e[0m $1"
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}
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install_log_separator() {
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echo -e "\e[36m========================================\e[0m"
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}
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install_script() {
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echo -e ""
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install_log_separator
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install_log_info "Starting installation of NAS to Google Drive backup script"
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install_log_separator
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echo -e ""
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install_log_separator
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# Check if running as root
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install_log_info "Checking if the script is running as root"
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if [ "$(id -u)" -ne 0 ]; then
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install_log_error "ERROR: This script must be run as root"
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exit 1
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else
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install_log_ok "Running as root"
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fi
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install_log_separator
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# Check for dependencies
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install_log_info "Checking for required dependencies"
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install_dependency "rclone"
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install_dependency "p7zip-full"
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install_log_separator
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# Check if crontab exists
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install_log_info "Checking if crontab is installed"
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if ! command -v crontab &>/dev/null; then
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install_log_error "crontab is not installed"
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exit 1
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else
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install_log_ok "crontab is installed"
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fi
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install_log_separator
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install_log_info "Installing script to /usr/local/bin/nas-gdrive-backup.sh"
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curl -sSL https://git.ivanch.me/ivanch/server-scripts/raw/branch/main/nas-gdrive-backup.sh -o /usr/local/bin/nas-gdrive-backup.sh
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chmod +x /usr/local/bin/nas-gdrive-backup.sh
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install_log_info "Setting up ZIP_PASSWORD in $0"
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if [ -z "$ZIP_PASSWORD" ]; then
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install_log_error "ERROR: ZIP_PASSWORD is not set"
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exit 1
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fi
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read -p "Enter ZIP_PASSWORD: " ZIP_PASSWORD </dev/tty
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if [ -z "$ZIP_PASSWORD" ]; then
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install_log_error "ERROR: ZIP_PASSWORD cannot be empty"
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exit 1
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fi
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# Update the ZIP_PASSWORD in the script
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sed -i "s/^ZIP_PASSWORD=.*/ZIP_PASSWORD=\"$ZIP_PASSWORD\"/" /usr/local/bin/nas-gdrive-backup.sh
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log "ZIP_PASSWORD updated in /usr/local/bin/nas-gdrive-backup.sh"
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install_log_separator
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# Check for existence of source directories
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install_log_info "Checking if BACKUP_SOURCE, META_DIR, and TMP_DIR exists"
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if ! [ -d "$BACKUP_SOURCE" ]; then
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install_log_error "ERROR: BACKUP_SOURCE directory does not exist"
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exit 1
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else
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install_log_ok "BACKUP_SOURCE directory exists: $BACKUP_SOURCE"
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fi
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if ! [ -d "$META_DIR" ]; then
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install_log_info "Creating META_DIR: $META_DIR"
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mkdir -p "$META_DIR"
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fi
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if ! [ -d "$TMP_DIR" ]; then
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install_log_info "Creating TMP_DIR: $TMP_DIR"
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mkdir -p "$TMP_DIR"
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fi
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install_log_info "Setting permissions for $META_DIR and $TMP_DIR to 777"
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chmod -R 777 "$META_DIR" "$TMP_DIR"
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install_log_ok "Directories checked and are ok"
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# Check for existing .sha256 files, if there are any, prompt to remove them
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install_log_info "Verifying existing .sha256 files in $META_DIR"
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for file in "$META_DIR"/*; do
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if [ -f "$file" -a -name "*.sha256" ]; then
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install_log_info "Found .sha256 file: $file"
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read -p "Do you want to remove this file? [y/N]: " choice </dev/tty
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if [[ "$choice" == "y" || "$choice" == "Y" ]]; then
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install_log_info "Removing $file"
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rm "$file"
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else
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install_log_info "Skipping $file"
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fi
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fi
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done
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install_log_ok "Existing .sha256 files checked"
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install_log_separator
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install_log_info "Setting up rclone configuration"
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if ! rclone config show gdrive &>/dev/null; then
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install_log_error "ERROR: rclone gdrive remote is not configured"
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install_log_error "Please run 'rclone config' to set up your Google Drive remote"
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exit 1
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fi
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install_log_ok "rclone gdrive remote is configured"
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install_log_separator
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install_log_info "Setting up cron job for backup script"
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(crontab -l 2>/dev/null; echo "55 23 * * 1 $0 > /tmp/nas-gdrive-backup.log") | crontab -
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install_log_ok "Cron job set up to run $0 every Monday at 23:55"
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install_log_separator
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echo -e ""
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install_log_separator
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install_log_ok "Installation completed successfully!"
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install_log_separator
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echo -e ""
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echo -e "You can now run the script manually with: \e[32m/usr/local/bin/nas-gdrive-backup.sh\e[0m"
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echo -e "Or it will run automatically according to the cron schedule."
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# Exit with success
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exit 0
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}
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# Check for install flag
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if [[ "$1" == "--install" ]]; then
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install_script
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exit 0
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fi
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main "$@"
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exit 0 |