Refactor Docker backups into modular pipeline

methods/20-rclone.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+# Copy the local backup tree to an rclone destination.
+set -Eeuo pipefail
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
+. "$SCRIPT_DIR/../lib/common.sh"
+DRY_RUN=0; FORCE=0
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --dry-run) DRY_RUN=1 ;; --force) FORCE=1 ;;
+    -h|--help) echo "Usage: ${0##*/} [--dry-run] [--force]"; exit 0 ;;
+    *) die "Unknown option: $1" 2 ;;
+  esac
+  shift
+done
+if ! is_true "$RCLONE_ENABLED" && (( FORCE == 0 )); then log SKIP "rclone method is disabled"; exit 0; fi
+[[ -n "$RCLONE_REMOTE" ]] || die "RCLONE_REMOTE is not configured"
+require_command rclone
+[[ -d "$BACKUP_ROOT" ]] || die "Backup root not found: $BACKUP_ROOT"
+read -r -a extra_args <<<"$RCLONE_EXTRA_ARGS"
+args=(copy "$BACKUP_ROOT" "${RCLONE_REMOTE%/}/$BACKUP_HOSTNAME" "${extra_args[@]}")
+(( DRY_RUN )) && args+=(--dry-run)
+log INFO "Copying backups to ${RCLONE_REMOTE%/}/$BACKUP_HOSTNAME"
+rclone "${args[@]}"
+log DONE "rclone backup method completed"