diff --git a/vw_backup.sh b/vw_backup.sh new file mode 100644 index 0000000..7fcac99 --- /dev/null +++ b/vw_backup.sh @@ -0,0 +1,110 @@ +#!/bin/bash + +# ============================================================================== +# Script: vaultwarden_backup.sh +# Description: Backs up Vaultwarden (SQLite DB, RSA keys, attachments, +# sends, and config) to a mounted drive using Vaultwarden's +# native backup command via Docker exec and rsync. +# Usage: sudo ./vaultwarden_backup.sh +# Notes: Must be run with root/sudo privileges to access Docker socket +# and host directories. +# ============================================================================== + +# ============================================================================== +# Define Variables for Source and Destination +# ============================================================================== +BACKUP_MOUNT_POINT="/mnt/5TB-Disk1" +BACKUP_DESTINATION="$BACKUP_MOUNT_POINT/backup" + +# Vaultwarden settings +CONTAINER_NAME="vaultwarden" +VAULTWARDEN_DATA_DIR="/srv/docker/vaultwarden/data" +VAULTWARDEN_DESTINATION="$BACKUP_MOUNT_POINT/backup/services/vaultwarden" + +# ntfy Notification Configuration +NTFY_TOPIC="Server" +NTFY_SERVER="https://ntfy.speerfam.net" +NTFY_TOKEN="tk_3xo9mejjtgemyowzckqw2souo3mux" + +# ============================================================================== +# Pre-flight Checks +# ============================================================================== + +# Check if the mount point directory exists and is a mounted filesystem. +if ! mountpoint -q "$BACKUP_MOUNT_POINT"; then + echo "Error: '$BACKUP_MOUNT_POINT' is not a mount point. Please ensure the drive is mounted." >&2 + 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 Vaultwarden source directory exists on the host. +if [ ! -d "$VAULTWARDEN_DATA_DIR" ]; then + echo "Error: Vaultwarden source directory '$VAULTWARDEN_DATA_DIR' not found." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Vaultwarden data directory '$VAULTWARDEN_DATA_DIR' not found." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Check if the Docker container is running. +if ! docker ps --format '{{.Names}}' | grep -q "^${CONTAINER_NAME}$"; then + echo "Error: Docker container '$CONTAINER_NAME' is not running." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Script failed. Docker container '$CONTAINER_NAME' is not running." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Ensure the destination directory exists. +mkdir -p "$VAULTWARDEN_DESTINATION" + +# ============================================================================== +# Vaultwarden Backup Execution +# ============================================================================== +echo "Starting Vaultwarden backup via container exec..." + +# Step 1: Trigger in-container database backup +docker exec "$CONTAINER_NAME" /vaultwarden backup +DB_STATUS=$? + +if [ $DB_STATUS -ne 0 ]; then + echo "Error: Vaultwarden docker exec backup failed with exit code $DB_STATUS." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Vaultwarden internal DB backup command failed." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Step 2: Locate the newly generated database snapshot in the host data dir +LATEST_DB_BACKUP=$(ls -t "$VAULTWARDEN_DATA_DIR"/db_*.sqlite3 2>/dev/null | head -n 1) + +if [ -z "$LATEST_DB_BACKUP" ]; then + echo "Error: Could not locate generated db_*.sqlite3 backup file in '$VAULTWARDEN_DATA_DIR'." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: Vaultwarden backup snapshot file missing after exec." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Rsync the snapshot file to destination as db.sqlite3 +echo "Rsyncing database snapshot to '$VAULTWARDEN_DESTINATION/db.sqlite3'..." +rsync -av --no-owner --no-group "$LATEST_DB_BACKUP" "$VAULTWARDEN_DESTINATION/db.sqlite3" +RSYNC_DB_STATUS=$? + +if [ $RSYNC_DB_STATUS -ne 0 ]; then + echo "Error: rsync failed to copy database snapshot file." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: rsync failed during Vaultwarden DB snapshot sync." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi + +# Remove the temporary snapshot file from host source directory +rm -f "$LATEST_DB_BACKUP" + +# Step 3: Rsync remaining data (RSA keys, attachments, sends, config) excluding live db files +echo "Rsyncing attachments, RSA keys, and configuration files to '$VAULTWARDEN_DESTINATION'..." +rsync -av --no-owner --no-group --exclude='db.sqlite3*' "$VAULTWARDEN_DATA_DIR/" "$VAULTWARDEN_DESTINATION/" +RSYNC_DATA_STATUS=$? + +# ============================================================================== +# Completion and Notification +# ============================================================================== +if [ $RSYNC_DATA_STATUS -eq 0 ]; then + echo "Success: Vaultwarden database, keys, and attachments backed up to '$VAULTWARDEN_DESTINATION'." + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Success: Vaultwarden backup completed successfully to $VAULTWARDEN_DESTINATION" "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 +else + echo "Error: rsync failed with exit code $RSYNC_DATA_STATUS. Check directory permissions." >&2 + curl -H "Authorization: Bearer $NTFY_TOKEN" -d "Error: rsync failed during Vaultwarden data backup." "$NTFY_SERVER/$NTFY_TOPIC" > /dev/null 2>&1 + exit 1 +fi \ No newline at end of file