128 lines
4.3 KiB
Bash
Executable File
128 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
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# --- CONFIGURATION ---
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# The bucket quotas check requires the 'mc' (MinIO client) command.
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# Download it from https://min.io/docs/minio/linux/reference/minio-client/mc.html
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# and make sure it's in your PATH.
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# MinIO Server Details
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MINIO_ALIAS="minio-k0s"
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MINIO_URL="http://192.168.153.245:9000"
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MINIO_ACCESS_KEY="Tg4UTucrnhJ8FPaPsqra"
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MINIO_SECRET_KEY="mGEJ6CSYWfSYdaQ90yAY2hfvNtMXV6at9T34o3Kc"
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# Restic Backup Details
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RESTIC_REPO="s3:http://192.168.153.245:9000/backup"
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BACKUP_SOURCE="/home/$(whoami)"
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RESTIC_EXCLUDE_FILE="~/.resticignore" # optional, create this file to list folders/files to exclude
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# Restic Environment Variables (for security, use these instead of passing keys directly in the command)
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export RESTIC_PASSWORD="frack666"
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export AWS_ACCESS_KEY_ID="${MINIO_ACCESS_KEY}"
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export AWS_SECRET_ACCESS_KEY="${MINIO_SECRET_KEY}"
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# Quota Check Configuration
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BUCKET_NAME="backup"
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MIN_QUOTA_REQUIRED_MB=1024 # Minimum required space in megabytes (1GB)
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# Notification System Configuration
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# EMAIL_RECIPIENT="william.valentin.info@gmail.com"
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# EMAIL_SUBJECT="Restic Backup Report"
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# --- FUNCTIONS ---
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send_notification() {
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local type="$1"
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local message="$2"
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local summary="Restic Backup Report"
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# Send GNOME notification
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if command -v notify-send &> /dev/null; then
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notify-send -t 5000 -i "dialog-${type}" "${summary}" "${message}"
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fi
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# Send email notification
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if [ -n "${EMAIL_RECIPIENT}" ]; then
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echo -e "${message}" | mail -s "${summary} - ${type^^}" "${EMAIL_RECIPIENT}"
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fi
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}
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# --- SCRIPT START ---
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echo "Starting Restic backup process for user folder..."
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echo "------------------------------------------------"
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# --- 1. MinIO Client Setup & Quota Check ---
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# Check if MinIO client (mc) is installed
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if ! command -v mc &> /dev/null; then
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send_notification "error" "MinIO client 'mc' not found. Please install it to use the quota check."
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exit 1
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fi
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# Set up MinIO alias if it doesn't exist
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if ! mc alias list | grep -q "${MINIO_ALIAS}"; then
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echo "Setting up MinIO alias '${MINIO_ALIAS}'..."
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mc alias set "${MINIO_ALIAS}" "${MINIO_URL}" "${MINIO_ACCESS_KEY}" "${MINIO_SECRET_KEY}"
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if [ $? -ne 0 ]; then
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send_notification "error" "Failed to set up MinIO alias. Check your credentials and URL."
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exit 1
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fi
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fi
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# Get bucket usage and quota
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BUCKET_USAGE_MB=$(mc du "${MINIO_ALIAS}/${BUCKET_NAME}" | awk '{print $1}')
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BUCKET_QUOTA_MB=$(mc quota info "${MINIO_ALIAS}/${BUCKET_NAME}" | grep 'Hard Quota' | awk '{print $3}' | sed 's/MB//')
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if [ -z "${BUCKET_QUOTA_MB}" ]; then
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echo "NOTICE: No hard quota set for bucket '${BUCKET_NAME}'. Skipping quota check."
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else
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# Calculate remaining space
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REMAINING_SPACE_MB=$((BUCKET_QUOTA_MB - BUCKET_USAGE_MB))
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echo "Bucket '${BUCKET_NAME}' usage: ${BUCKET_USAGE_MB} MB"
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echo "Bucket '${BUCKET_NAME}' quota: ${BUCKET_QUOTA_MB} MB"
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echo "Remaining space: ${REMAINING_SPACE_MB} MB"
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if [ "${REMAINING_SPACE_MB}" -lt "${MIN_QUOTA_REQUIRED_MB}" ]; then
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send_notification "error" "Insufficient space in the bucket. Only ${REMAINING_SPACE_MB} MB remaining, but ${MIN_QUOTA_REQUIRED_MB} MB required."
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exit 1
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fi
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fi
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# --- 2. Restic Repository Check ---
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echo "Checking Restic repository existence..."
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if ! restic snapshots --json &> /dev/null; then
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echo "Restic repository not found. Initializing a new one..."
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restic init
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if [ $? -ne 0 ]; then
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send_notification "error" "Failed to initialize Restic repository. Check your RESTIC_REPO and credentials."
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exit 1
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fi
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fi
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# --- 3. Backup Execution ---
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echo "Starting backup of ${BACKUP_SOURCE}..."
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if [ -f "${RESTIC_EXCLUDE_FILE}" ]; then
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echo "Excluding files listed in ${RESTIC_EXCLUDE_FILE}..."
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restic backup "${BACKUP_SOURCE}" --exclude-file="${RESTIC_EXCLUDE_FILE}"
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else
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echo "No exclude file found, backing up all files in the source directory."
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restic backup "${BACKUP_SOURCE}"
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fi
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if [ $? -ne 0 ]; then
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send_notification "error" "Restic backup failed."
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exit 1
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else
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send_notification "info" "Restic backup completed successfully."
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fi
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# --- 4. Cleanup and Maintenance ---
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echo "Running repository maintenance..."
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restic forget --prune --keep-daily 7 --keep-weekly 4 --keep-monthly 6
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if [ $? -ne 0 ]; then
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send_notification "warning" "Restic maintenance failed. Check the logs for details."
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fi
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echo "Backup script finished. ✨"
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