What do you want to automate

with Alibaba Cloud and SFTP (key-based auth)?

import Ecs20140526, * as $Ecs20140526 from '@alicloud/ecs20140526';
import OpenApi, * as $OpenApi from '@alicloud/openapi-client';
import Util, * as $Util from '@alicloud/tea-util';

export default defineComponent({
  props: {
    alibaba_cloud: {
      type: "app",
      app: "alibaba_cloud",
    }
  },
  async run({ steps, $ }) {
    //Creates a new Alibaba Cloud SDK client
    let config = new OpenApi.Config({
      accessKeyId: this.alibaba_cloud.$auth.access_key_id,
      accessKeySecret: this.alibaba_cloud.$auth.access_key_secret,
    });
    config.endpoint = this.alibaba_cloud.$auth.endpoint;

    //Creates and executes a request
    let client = new Ecs20140526.default(config);
    let describeRegionsRequest = new $Ecs20140526.DescribeRegionsRequest({});
    let runtime = new $Util.RuntimeOptions({});
    return await client.describeRegionsWithOptions(describeRegionsRequest, runtime);
  },
})

module.exports = defineComponent({
  props: {
    sftp: {
      type: "app",
      app: "sftp",
    }
  },
  async run({steps, $}) {
    const Client = require('ssh2-sftp-client');
    
    const { 
      host,
      username,
      privateKey,
    } = this.sftp.$auth
    
    const config = {
      host,
      username,
      privateKey,
    }
    
    const sftp = new Client()
    
    await sftp.connect(config)
    this.cwd = await sftp.cwd();
    return await sftp.end();
  },
})