问题描述
我正在使用无服务器,移植两个函数,一个(称为生成器)当前是一个长时间运行的节点进程,另一个(称为检查器)由 cron 触发,因此它们都是 lambdas、检查器由调度触发,生成器通过接收 SQS 通知。我也非常喜欢能够进行本地开发,因此添加了 serverless-offline 和 serverless-offline-sqs(由 ElasticMQ 支持)。
移植了生成器,它在本地部署和运行得很好。这是 serverless.yml 中定义的函数:
reportGenerator:
handler: src/reportGenerator.handleReportRequest
events:
- sqs:
arn:
Fn::GetAtt:
- ReportRequestQueue
- Arn
我可以使用 AWS CLI 通过 ElasticMQ 触发消息(aws 账户 # 混淆):
$ aws sqs send-message --queue-url https://sqs.us-west-1.amazonaws.com/000000000000/local-report-request --message-body file://./test/reportGenerator/simple_payload.json --endpoint-url http://localhost:9324
{
"MD5OfMessageBody": "267bd9129a76e3f48c26903664824c13","MessageId": "12034cd8-3783-403a-92eb-a5935c8759ae"
}
$
并且消息接收正常,生成器 lambda 触发:
{
"requestId": "ckokpja2e0001nbyocufzdrxk","function": "src/reportGenerator.js::exports:14","level": "info","message": "Found 0 waiting report request(s)"
}
offline: (λ: reportGenerator) RequestId: ckokpja2e0001nbyocufzdrxk Duration: 214.53 ms Billed Duration: 215 ms
现在我想为第二个函数以编程方式发送 SQS,这几乎是对现有(非 lambda)函数的唯一真正更改。它也可以很好地部署/启动,但是发送相同消息的 aws-sdk 库函数不起作用。
这是 serverless.yml 中的函数定义。请注意,我注释掉了正常的 cron 计划,因为 serverless-offline 不支持它,并且只使用 10 分钟的速率进行测试:
reportChecker:
handler: src/reportScheduler.check
environment:
REPORT_REQUEST_QUEUE_URL: "https://sqs.us-west-1.amazonaws.com/${self:custom.awsAccountId}/${opt:stage,self:custom.defaultStage}-report-request"
events:
# note that cron does not work for offline. Comment these out,and uncomment the rate to test locally
# - schedule:
# rate: cron(0 11 ? * 3 *)
# input:
# reportType: weekly
# - schedule:
# rate: cron(0 11 2 * ? *)
# input:
# reportType: monthly
- schedule:
rate: rate(10 minutes)
input:
reportType: weekly
const AWS = require('aws-sdk');
AWS.config.update({region: process.env.AWS_REGION});
...
try {
const sqs = new AWS.SQS({endpoint: 'http://localhost:9324'});
logger.debug('SQS info',{queueUrl: process.env.REPORT_REQUEST_QUEUE_URL,endpoint: sqs.endpoint});
await sqs.sendMessage({
QueueUrl: process.env.REPORT_REQUEST_QUEUE_URL,MessageBody: `{"reportType":${checkType}}`
})
.promise();
}
catch(err) {
logger.error('SQS Failed to send',{error: err});
}
这些记录器语句的输出是
{
"requestId": "ckokpulxw0002nbyo19sj87g2","function": "src/reportScheduler.js::exports:100","data": {
"queueUrl": "https://sqs.us-west-1.amazonaws.com/000000000000/local-report-request","endpoint": {
"protocol": "http:","host": "localhost:9324","port": 9324,"hostname": "localhost","pathname": "/","path": "/","href": "http://localhost:9324/"
}
},"level": "debug","message": "SQS info"
}
{
"requestId": "ckokpulxw0002nbyo19sj87g2","function": "src/reportScheduler.js::exports:109","data": {
"error": {
"message": "The specified queue does not exist for this wsdl version.","code": "AWS.SimpleQueueService.NonExistentQueue","time": "2021-05-12T00:20:00.497Z","requestId": "e55124c3-248e-5afd-acce-7dd605fe1fe5","statusCode": 400,"retryable": false,"retryDelay": 95.52839314049268
}
},"level": "error","message": "SQS Failed to send"
}
offline: (λ: reportChecker) RequestId: ckokpulxw0002nbyo19sj87g2 Duration: 477.95 ms Billed Duration: 478 ms
在我看来,代码确实使用了与命令行相同的值,但它不起作用。希望其他人可以在这里看到一些明显的东西。
谢谢。
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