feat(skill): add n8n action-bus helper

2026-03-12 06:51:15 +00:00
parent 7a44225481
commit 295809b161
4 changed files with 225 additions and 42 deletions
--- a/skills/n8n-webhook/scripts/call-action.sh
+++ b/skills/n8n-webhook/scripts/call-action.sh
@@ -0,0 +1,128 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+usage() {
+  cat <<'EOF'
+Usage:
+  scripts/call-action.sh <action> [--args '{"k":"v"}'] [--args-file args.json] [--request-id <id>] [--path openclaw-action] [--test] [--pretty] [--dry-run]
+
+Environment:
+  N8N_ACTION_PATH    Default router webhook path (default: openclaw-action)
+  N8N_WEBHOOK_SECRET Shared secret for header auth
+  N8N_BASE_URL       Base n8n URL (default: http://192.168.153.113:18808)
+  N8N_SECRET_HEADER  Header name (default: x-openclaw-secret)
+
+Examples:
+  scripts/call-action.sh append_log --args '{"text":"backup complete"}'
+  scripts/call-action.sh notify --args-file notify.json --test --pretty
+EOF
+}
+
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+CALL_WEBHOOK="$SCRIPT_DIR/call-webhook.sh"
+ACTION_PATH="${N8N_ACTION_PATH:-openclaw-action}"
+ACTION=""
+ARGS='{}'
+ARGS_FILE=""
+REQUEST_ID=""
+MODE_FLAG=""
+PRETTY=0
+DRY_RUN=0
+EXTRA_ARGS=()
+
+while [[ $# -gt 0 ]]; do
+  case "$1" in
+    --help|-h)
+      usage
+      exit 0
+      ;;
+    --args)
+      ARGS="${2:?missing value for --args}"
+      shift 2
+      ;;
+    --args-file)
+      ARGS_FILE="${2:?missing value for --args-file}"
+      shift 2
+      ;;
+    --request-id)
+      REQUEST_ID="${2:?missing value for --request-id}"
+      shift 2
+      ;;
+    --path)
+      ACTION_PATH="${2:?missing value for --path}"
+      shift 2
+      ;;
+    --test)
+      MODE_FLAG="--test"
+      shift
+      ;;
+    --prod)
+      MODE_FLAG="--prod"
+      shift
+      ;;
+    --pretty)
+      PRETTY=1
+      shift
+      ;;
+    --dry-run)
+      DRY_RUN=1
+      shift
+      ;;
+    --*)
+      echo "Unknown option: $1" >&2
+      usage >&2
+      exit 2
+      ;;
+    *)
+      if [[ -z "$ACTION" ]]; then
+        ACTION="$1"
+      else
+        EXTRA_ARGS+=("$1")
+      fi
+      shift
+      ;;
+  esac
+done
+
+if [[ -z "$ACTION" ]]; then
+  usage >&2
+  exit 2
+fi
+
+if [[ ${#EXTRA_ARGS[@]} -gt 0 ]]; then
+  echo "Unexpected extra arguments: ${EXTRA_ARGS[*]}" >&2
+  exit 2
+fi
+
+if [[ -n "$ARGS_FILE" ]]; then
+  ARGS="$(cat "$ARGS_FILE")"
+fi
+
+PAYLOAD="$({
+  python3 - <<'PY' "$ACTION" "$ARGS" "$REQUEST_ID"
+import json, sys
+
+action = sys.argv[1]
+args = json.loads(sys.argv[2])
+request_id = sys.argv[3]
+
+if not isinstance(args, dict):
+    raise SystemExit('Action args must decode to a JSON object.')
+
+payload = {
+    'action': action,
+    'args': args,
+}
+if request_id:
+    payload['request_id'] = request_id
+
+print(json.dumps(payload, separators=(',', ':')))
+PY
+} )"
+
+CMD=("$CALL_WEBHOOK" "$ACTION_PATH" --data "$PAYLOAD")
+[[ -n "$MODE_FLAG" ]] && CMD+=("$MODE_FLAG")
+[[ "$PRETTY" -eq 1 ]] && CMD+=(--pretty)
+[[ "$DRY_RUN" -eq 1 ]] && CMD+=(--dry-run)
+
+exec "${CMD[@]}"