Cloud Functions REST API：从 zip 文件创建新操作

Question

我正在尝试使用以下 curl 从 zip 文件并通过 REST API 创建一个 nodejs 函数：

curl --request PUT --url 'https://my:credentials@openwhisk.eu-gb.bluemix.net/api/v1/namespaces/mynamespace/actions/my_action_name?overwrite=true' --header 'accept: application/json' --header 'content-type: application/json' --data '{"annotations":[{"key":"exec","value":"nodejs:10"},{"key":"web-export","value":true}],"exec":{"kind":"nodejs:10","init":"./action.zip"},"parameters":[{"key":"message","value":"Hello World"}]}'

结果我得到一个错误：

"error":"The request content was malformed:\n'code' must be a string or attachment object defined in 'exec' for 'nodejs:10' actions"

是否有可能获得有关如何从 zip 文件和通过 REST 创建新操作的示例 API？谢谢。

Answer 1

详细模式下的 REST API for creating or updating a Cloud Functions actions is documented in the IBM Cloud Functions API docs. A good way to find out the exact curl / request syntax is to use the IBM Cloud Functions CLI (-v)。 CLI 只是 REST 的包装器 API 并且在详细模式下会打印所有 REST 详细信息。

以下是可打印内容的相关部分：

Req Body
Body exceeds 1000 bytes and will be truncated
{"namespace":"_","name":"mytest/myaction","exec":{"kind":"nodejs:8","code":"UEsDBBQAAAAIAHJPhEzjlkxc8wYAAH8VAAALABwAX19tYWluX18ucHlVVAkAA+iFxFrohcRadXgLAAEE9AEAAAT0AQAAxVhtb9s2EP6uX8HRCCLBipb002DA69YkbYo17dZ0GwbDMGSKlrXJokfSToNh/313R+rNL2labJiK1iJ578/x7tTBgJ7A/QzYq8IuN3NmdbpYFIIZm9rC2EKYmiIYsB+1ynW6Ykqz1y9u2WWpNhl7uamELVTFrGJClaUUtha2LeQ9S6uMiVJVspYNgnDPWKVhb5lalqU2ZUXFUqZlmaKwtKTNeWpkzKp0JcsHdj

您需要将 binary 字段设置为 true 并将 zip 内容包含为 code。 curl docs 建议使用@filename 来引用您的 zip 文件：

If you want the contents to be read from a file, use <@filename> as contents.

Answer 2

您必须 base64 编码 您的 .zip 文件，然后将其作为 code 参数传递。我已经编写了一个 shell 脚本 (bash) 来编码并创建一个名为“action”的动作。将脚本保存为 create.sh 并执行脚本 ./create.sh

#!/bin/sh
ACTION=action
ZIP=$ACTION.zip

base64 $ZIP | echo "\"$(cat)\"" | jq "{namespace:\"_\", name:\"$ACTION\", exec:{kind:\"nodejs:10\", code:., binary:true, main:\"main\"}}" | curl -X PUT -H "Content-Type:application/json"  -d @- https://USERNAME:PASSWORD@openwhisk.ng.bluemix.net/api/v1/namespaces/_/actions/$ACTION?overwrite=true

完整代码

app.js 或 index.js 代码

function myAction(args) {
    const leftPad = require("left-pad")
    const lines = args.lines || [];
    return { padded: lines.map(l => leftPad(l, 30, ".")) }
}

exports.main = myAction;

package.json

{
  "name": "node",
  "version": "1.0.0",
  "description": "",
  "main": "app.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "left-pad" : "1.1.3"
  }
}

运行 npm install 并压缩文件 zip -r action.zip *.

测试动作

ibmcloud fn action invoke --result action --param lines "[\"and now\", \"for something completely\", \"different\" ]"

Cloud Functions REST API：从 zip 文件创建新操作

Cloud Functions REST API: Creating a new action from a zip file

ibm-cloud

ibm-cloud-functions