From 5b7f6398217ee289c3d8610ea19864cb129ba9bc Mon Sep 17 00:00:00 2001 From: Matt Speer Date: Sun, 20 Sep 2026 10:55:54 -0500 Subject: [PATCH] Created Home Assistant backup script --- hass_backup.sh | 80 ++++++++++++++++++++++++++++++++++++++++++++++++ photos_backup.sh | 2 +- 2 files changed, 81 insertions(+), 1 deletion(-) create mode 100644 hass_backup.sh diff --git a/hass_backup.sh b/hass_backup.sh new file mode 100644 index 0000000..f06b120 --- /dev/null +++ b/hass_backup.sh @@ -0,0 +1,80 @@ +#!/bin/bash + +# ============================================================================== +# Script: hass_backup.sh +# Description: This script securely backs up Home Assistant to a designated +# mounted drive using rsync. It includes pre-run checks to ensure +# the source files and destination are valid, and sends ntfy +# notifications for each task. +# Usage: sudo ./hass_backup.sh +# Notes: This script may require sudo/root privileges to access files. +# ============================================================================== + +# ============================================================================== +# Define Variables for Source and Destination +# ============================================================================== +# This makes the script easier to read and modify. +BACKUP_MOUNT_POINT="/mnt/5TB-Disk1" +BACKUP_DESTINATION="$BACKUP_MOUNT_POINT/backup" + +# Home Assistant backup directories +HOMEASSISTANT_BACKUP_SOURCE_DIR="/srv/docker/homeassistant/backups" +HOMEASSISTANT_DESTINATION="$BACKUP_MOUNT_POINT/backup/services/homeassistant" + +# ntfy Notification Configuration +# To use this feature, you must have the 'curl' command installed. +# NTFY_TOPIC is the topic you wish to send notifications to. +# NTFY_SERVER is the URL of your ntfy server. +# NTFY_TOKEN is the authorization token for your ntfy server. +NTFY_TOPIC="Server" +NTFY_SERVER="https://ntfy.speerfam.net" +NTFY_TOKEN="tk_3xo9mejjtgemyowzckqw2souo3mux" + +# ============================================================================== +# Pre-flight Checks (for the destination drive) +# ============================================================================== + +# Check if the mount point directory exists and is a mounted filesystem. +# This is a critical check to ensure we are writing to the intended air-gapped +# drive and not to a local directory if the mount failed. +if ! mountpoint -q "$BACKUP_MOUNT_POINT"; then + echo "Error: '$BACKUP_MOUNT_POINT' is not a mount point. Please ensure the drive is mounted." >&2 + # Send a failure notification + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Destination '$BACKUP_MOUNT_POINT' is not mounted." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Check if the destination directories exist and create them if they don't. +# This prevents rsync from failing on the first run. +mkdir -p "$BACKUP_DESTINATION" +mkdir -p "$PHOTOS_DESTINATION" + +# ============================================================================== +# Home Assistant backup +# ============================================================================== +echo "Starting rsync of the most recent Home Assistant backup file to '$HOMEASSISTANT_DESTINATION'..." + +# Check if the Home Assistant backup source directory exists. +if [ ! -d "$HOMEASSISTANT_BACKUP_SOURCE_DIR" ]; then + echo "Error: Home Assistant backup directory '$HOMEASSISTANT_BACKUP_SOURCE_DIR' not found." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Home Assistant backup directory not found." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 +else + # Find the most recent file in the directory. + LATEST_BACKUP_FILE=$(ls -t "$HOMEASSISTANT_BACKUP_SOURCE_DIR" | head -n 1) + + # Check if a file was found. + if [ -z "$LATEST_BACKUP_FILE" ]; then + echo "Error: No files found in Home Assistant backup directory '$HOMEASSISTANT_BACKUP_SOURCE_DIR'." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: No files found in Home Assistant backup directory." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + else + FULL_BACKUP_PATH="$HOMEASSISTANT_BACKUP_SOURCE_DIR/$LATEST_BACKUP_FILE" + rsync -av --progress "$FULL_BACKUP_PATH" "$HOMEASSISTANT_DESTINATION" + if [ $? -eq 0 ]; then + echo "Success: Most recent Home Assistant backup '$LATEST_BACKUP_FILE' copied to '$HOMEASSISTANT_DESTINATION'." + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Success: Home Assistant backup copied to $HOMEASSISTANT_DESTINATION" "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + else + echo "Error: rsync failed to copy Home Assistant backup file '$LATEST_BACKUP_FILE'. Please check permissions." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: rsync failed to copy Home Assistant backup." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + fi + fi +fi diff --git a/photos_backup.sh b/photos_backup.sh index ccbcf60..a5ec284 100644 --- a/photos_backup.sh +++ b/photos_backup.sh @@ -31,7 +31,7 @@ PHOTOS_DESTINATION="$BACKUP_MOUNT_POINT/backup/services/immich" # Destination fo # NTFY_TOKEN is the authorization token for your ntfy server. NTFY_TOPIC="Server" NTFY_SERVER="https://ntfy.speerfam.net" -NTFY_TOKEN="tk_xmr066ooldbydhbuolymobfn9b27f" +NTFY_TOKEN="tk_3xo9mejjtgemyowzckqw2souo3mux" # ============================================================================== # Pre-flight Checks (for the destination drive)