Rocket.Chat/app/api/server/v1/instances.ts

import { getInstanceConnection } from '../../../../server/stream/streamBroadcast';
import { hasPermission } from '../../../authorization/server';
import { API } from '../api';
import { InstanceStatus } from '../../../models/server/raw';
import { IInstanceStatus } from '../../../../definition/IInstanceStatus';

API.v1.addRoute(
	'instances.get',
	{ authRequired: true },
	{
		async get() {
			if (!hasPermission(this.userId, 'view-statistics')) {
				return API.v1.unauthorized();
			}

			const instances = await InstanceStatus.find().toArray();

			return API.v1.success({
				instances: instances.map((instance: IInstanceStatus) => {
					const connection = getInstanceConnection(instance);
					if (connection) {
						delete connection.instanceRecord;
					}
					return {
						...instance,
						connection,
					};
				}),
			});
		},
	},
);