Initial commit: homelab configuration and documentation

scripts/backup_daily.sh

@@ -0,0 +1,53 @@
+#!/bin/bash
+# backup_daily.sh - Daily backup script using restic to Backblaze B2
+
+set -euo pipefail
+
+# Configuration
+export B2_ACCOUNT_ID="your_b2_account_id"
+export B2_ACCOUNT_KEY="your_b2_account_key"
+export RESTIC_REPOSITORY="b2:your-bucket-name:/backups"
+export RESTIC_PASSWORD="your_restic_password"
+
+# Backup targets
+BACKUP_DIRS=(
+  "/var/lib/docker/volumes/homeassistant/_data"
+  "/var/lib/docker/volumes/portainer/_data"
+  "/var/lib/docker/volumes/nextcloud/_data"
+  "/mnt/nas/models"
+)
+
+# Logging
+LOG_FILE="/var/log/restic_backup.log"
+exec > >(tee -a "$LOG_FILE") 2>&1
+
+echo "=== Restic Backup Started at $(date) ==="
+
+# Check if repository is initialized
+if ! restic snapshots &>/dev/null; then
+  echo "Repository not initialized. Initializing..."
+  restic init
+fi
+
+# Perform backup
+echo "Backing up directories: ${BACKUP_DIRS[*]}"
+restic backup "${BACKUP_DIRS[@]}" \
+  --tag homelab \
+  --verbose
+
+# Prune old backups (keep last 7 daily, 4 weekly, 12 monthly)
+echo "Pruning old backups..."
+restic forget \
+  --keep-daily 7 \
+  --keep-weekly 4 \
+  --keep-monthly 12 \
+  --prune
+
+# Check repository integrity (monthly)
+DAY_OF_MONTH=$(date +%d)
+if [ "$DAY_OF_MONTH" == "01" ]; then
+  echo "Running repository check..."
+  restic check
+fi
+
+echo "=== Restic Backup Completed at $(date) ==="