feat(core): Warn on unknown N8N env vars

packages/cli/src/config/index.ts

@@ -69,13 +69,15 @@ config.validate({
 const userManagement = config.get('userManagement');
 if (userManagement.jwtRefreshTimeoutHours >= userManagement.jwtSessionDurationHours) {
  console.warn(
- 'N8N_USER_MANAGEMENT_JWT_REFRESH_TIMEOUT_HOURS needs to smaller than N8N_USER_MANAGEMENT_JWT_DURATION_HOURS. Setting N8N_USER_MANAGEMENT_JWT_REFRESH_TIMEOUT_HOURS to 0 for now.',
+ 'N8N_USER_MANAGEMENT_JWT_REFRESH_TIMEOUT_HOURS needs to be smaller than N8N_USER_MANAGEMENT_JWT_DURATION_HOURS. Setting N8N_USER_MANAGEMENT_JWT_REFRESH_TIMEOUT_HOURS to 0 for now.',
  );
 
  config.set('userManagement.jwtRefreshTimeoutHours', 0);
 }
 
 import colors from 'picocolors';
+import { findSchemaEnvVars } from './utils';
+
 const executionProcess = config.getEnv('executions.process');
 if (executionProcess) {
  console.error(
@@ -95,6 +97,18 @@ if (executionProcess === 'own') {
  process.exit(-1);
 }
 
+const schemaEnvVars = findSchemaEnvVars(schema);
+const processN8nEnvVars = Object.keys(process.env).filter((env) => env.startsWith('N8N'));
+const unknownN8nEnvVars = processN8nEnvVars.filter((i) => !schemaEnvVars.includes(i));
+
+if (unknownN8nEnvVars.length > 0) {
+ const _var = unknownN8nEnvVars.length > 1 ? 'variables' : 'variable';
+ console.warn(
+ colors.bold(colors.yellow(`Unknown N8N-prefixed environment ${_var} detected:`)),
+ unknownN8nEnvVars.join(', '),
+ );
+}
+
 setGlobalState({
  defaultTimezone: config.getEnv('generic.timezone'),
 });

packages/cli/src/config/utils.ts

@@ -11,3 +11,23 @@ export const ensureStringArray = (values: string[], { env }: SchemaObj<string>)
  if (typeof value !== 'string') throw new NotStringArrayError(env);
  }
 };
+
+export function findSchemaEnvVars(schema: Record<string, unknown>) {
+ const envVars: string[] = [];
+
+ const traverse = (obj: Record<string, unknown>) => {
+ for (const key in obj) {
+ const value = obj[key] as Record<string, unknown> | string;
+
+ if (typeof value === 'object') {
+ traverse(value);
+ } else if (typeof value === 'string' && key === 'env') {
+ envVars.push(value);
+ }
+ }
+ };
+
+ traverse(schema);
+
+ return envVars;
+}