Add various scripts for MinIO and Restic backup management

2025-10-24 11:48:52 -07:00
parent 7bd5974ac4
commit 27560832a2
10 changed files with 500 additions and 0 deletions
--- a/scripts/restic-backup-new.sh
+++ b/scripts/restic-backup-new.sh
@@ -0,0 +1,127 @@
+#!/bin/bash
+
+# --- CONFIGURATION ---
+# The bucket quotas check requires the 'mc' (MinIO client) command.
+# Download it from https://min.io/docs/minio/linux/reference/minio-client/mc.html
+# and make sure it's in your PATH.
+
+# MinIO Server Details
+MINIO_ALIAS="minio-k0s"
+MINIO_URL="http://192.168.153.245:9000"
+MINIO_ACCESS_KEY="Tg4UTucrnhJ8FPaPsqra"
+MINIO_SECRET_KEY="mGEJ6CSYWfSYdaQ90yAY2hfvNtMXV6at9T34o3Kc"
+
+# Restic Backup Details
+RESTIC_REPO="s3:http://192.168.153.245:9000/backup"
+BACKUP_SOURCE="/home/$(whoami)"
+RESTIC_EXCLUDE_FILE="~/.resticignore" # optional, create this file to list folders/files to exclude
+
+# Restic Environment Variables (for security, use these instead of passing keys directly in the command)
+export RESTIC_PASSWORD="frack666"
+export AWS_ACCESS_KEY_ID="${MINIO_ACCESS_KEY}"
+export AWS_SECRET_ACCESS_KEY="${MINIO_SECRET_KEY}"
+
+# Quota Check Configuration
+BUCKET_NAME="backup"
+MIN_QUOTA_REQUIRED_MB=1024 # Minimum required space in megabytes (1GB)
+
+# Notification System Configuration
+# EMAIL_RECIPIENT="william.valentin.info@gmail.com"
+# EMAIL_SUBJECT="Restic Backup Report"
+
+# --- FUNCTIONS ---
+send_notification() {
+    local type="$1"
+    local message="$2"
+    local summary="Restic Backup Report"
+
+    # Send GNOME notification
+    if command -v notify-send &> /dev/null; then
+        notify-send -t 5000 -i "dialog-${type}" "${summary}" "${message}"
+    fi
+
+    # Send email notification
+    if [ -n "${EMAIL_RECIPIENT}" ]; then
+        echo -e "${message}" | mail -s "${summary} - ${type^^}" "${EMAIL_RECIPIENT}"
+    fi
+}
+
+# --- SCRIPT START ---
+echo "Starting Restic backup process for user folder..."
+echo "------------------------------------------------"
+
+# --- 1. MinIO Client Setup & Quota Check ---
+# Check if MinIO client (mc) is installed
+if ! command -v mc &> /dev/null; then
+    send_notification "error" "MinIO client 'mc' not found. Please install it to use the quota check."
+    exit 1
+fi
+
+# Set up MinIO alias if it doesn't exist
+if ! mc alias list | grep -q "${MINIO_ALIAS}"; then
+    echo "Setting up MinIO alias '${MINIO_ALIAS}'..."
+    mc alias set "${MINIO_ALIAS}" "${MINIO_URL}" "${MINIO_ACCESS_KEY}" "${MINIO_SECRET_KEY}"
+    if [ $? -ne 0 ]; then
+        send_notification "error" "Failed to set up MinIO alias. Check your credentials and URL."
+        exit 1
+    fi
+fi
+
+# Get bucket usage and quota
+BUCKET_USAGE_MB=$(mc du "${MINIO_ALIAS}/${BUCKET_NAME}" | awk '{print $1}')
+BUCKET_QUOTA_MB=$(mc quota info "${MINIO_ALIAS}/${BUCKET_NAME}" | grep 'Hard Quota' | awk '{print $3}' | sed 's/MB//')
+
+if [ -z "${BUCKET_QUOTA_MB}" ]; then
+    echo "NOTICE: No hard quota set for bucket '${BUCKET_NAME}'. Skipping quota check."
+else
+    # Calculate remaining space
+    REMAINING_SPACE_MB=$((BUCKET_QUOTA_MB - BUCKET_USAGE_MB))
+
+    echo "Bucket '${BUCKET_NAME}' usage: ${BUCKET_USAGE_MB} MB"
+    echo "Bucket '${BUCKET_NAME}' quota: ${BUCKET_QUOTA_MB} MB"
+    echo "Remaining space: ${REMAINING_SPACE_MB} MB"
+
+    if [ "${REMAINING_SPACE_MB}" -lt "${MIN_QUOTA_REQUIRED_MB}" ]; then
+        send_notification "error" "Insufficient space in the bucket. Only ${REMAINING_SPACE_MB} MB remaining, but ${MIN_QUOTA_REQUIRED_MB} MB required."
+        exit 1
+    fi
+fi
+
+# --- 2. Restic Repository Check ---
+echo "Checking Restic repository existence..."
+if ! restic snapshots --json &> /dev/null; then
+    echo "Restic repository not found. Initializing a new one..."
+    restic init
+    if [ $? -ne 0 ]; then
+        send_notification "error" "Failed to initialize Restic repository. Check your RESTIC_REPO and credentials."
+        exit 1
+    fi
+fi
+
+# --- 3. Backup Execution ---
+echo "Starting backup of ${BACKUP_SOURCE}..."
+
+if [ -f "${RESTIC_EXCLUDE_FILE}" ]; then
+    echo "Excluding files listed in ${RESTIC_EXCLUDE_FILE}..."
+    restic backup "${BACKUP_SOURCE}" --exclude-file="${RESTIC_EXCLUDE_FILE}"
+else
+    echo "No exclude file found, backing up all files in the source directory."
+    restic backup "${BACKUP_SOURCE}"
+fi
+
+if [ $? -ne 0 ]; then
+    send_notification "error" "Restic backup failed."
+    exit 1
+else
+    send_notification "info" "Restic backup completed successfully."
+fi
+
+# --- 4. Cleanup and Maintenance ---
+echo "Running repository maintenance..."
+restic forget --prune --keep-daily 7 --keep-weekly 4 --keep-monthly 6
+
+if [ $? -ne 0 ]; then
+    send_notification "warning" "Restic maintenance failed. Check the logs for details."
+fi
+
+echo "Backup script finished. ✨"