我在 cdk 研讨会上创建了一个小型 lambda 函数here https://cdkworkshop.com/20-typescript。我正在打字稿中编写 lambda 函数,通过管道进行部署,该管道创建包含 lambda 函数的云形成堆栈。
我正在尝试在 lambda 中使用 sdk v3,如此处演示的 https://docs.aws.amazon.com/sdk-for-javascript/v3/developer-guide/lambda-create-table-create-lambda-function.html。但后来我看到了相互矛盾的文档here https://docs.aws.amazon.com/lambda/latest/dg/lambda-nodejs.html.
这些错误是因为我尝试使用 V3 而我不应该使用,还是因为其他原因?处理程序设置正确,函数运行但失败并出现错误:
{
"errorType": "Runtime.ImportModuleError",
"errorMessage": "Error: Cannot find module '@aws-sdk/client-sns'\nRequire stack:\n- /var/task/ReceiveMessageLoraThing.js\n- /var/runtime/UserFunction.js\n- /var/runtime/index.js",
"stack": [
"Runtime.ImportModuleError: Error: Cannot find module '@aws-sdk/client-sns'",
"Require stack:",
"- /var/task/ReceiveMessageLoraThing.js",
"- /var/runtime/UserFunction.js",
"- /var/runtime/index.js",
" at _loadUserApp (/var/runtime/UserFunction.js:100:13)",
" at Object.module.exports.load (/var/runtime/UserFunction.js:140:17)",
" at Object.<anonymous> (/var/runtime/index.js:43:30)",
" at Module._compile (internal/modules/cjs/loader.js:999:30)",
" at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)",
" at Module.load (internal/modules/cjs/loader.js:863:32)",
" at Function.Module._load (internal/modules/cjs/loader.js:708:14)",
" at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:60:12)",
" at internal/main/run_main_module.js:17:47"
]
}
该文件被部署为 js,并设置了正确的处理程序。如果我注释掉require
声明,它工作正常:
// works
"use strict";
//const sns = require("@aws-sdk/client-sns");
exports.handler = async (event) => {
console.log("hello");
return true;
}
// doesn't work
"use strict";
const sns = require("@aws-sdk/client-sns");
exports.handler = async (event) => {
console.log("hello");
return true;
}
使用本研讨会的代码没有生成任何 node_modules 或层,但在我去那里之前,我想知道我是否真的可以在 lambda 上使用 V3。