Node.js AWS动力消防软管对Lambda无响应
以下是Lambda代码:Node.js AWS动力消防软管对Lambda无响应,node.js,amazon-web-services,aws-lambda,amazon-kinesis,amazon-kinesis-firehose,Node.js,Amazon Web Services,Aws Lambda,Amazon Kinesis,Amazon Kinesis Firehose,以下是Lambda代码: const AWS = require('aws-sdk'); var firehose = new AWS.Firehose({ region: 'ap-southeast-2' }); exports.handler = async (event, context) => { var params = { DeliveryStreamName: 'TestStream', Record: { Data: 'test dat
const AWS = require('aws-sdk');
var firehose = new AWS.Firehose({ region: 'ap-southeast-2' });
exports.handler = async (event, context) => {
var params = {
DeliveryStreamName: 'TestStream',
Record: {
Data: 'test data'
}
};
console.log('params', params);
firehose.putRecord(params, function (err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log('Firehose Successful', data); // successful response
});
}
政策是:
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"firehose:DeleteDeliveryStream",
"firehose:PutRecord",
"firehose:PutRecordBatch",
"firehose:UpdateDestination"
],
"Resource": [
"arn:aws:firehose:ap-southeast-2:xxxxxxxxxxxxx:deliverystream/TestStream"
]
}
]
}
我把其他的都删掉了。我在cloudwatch中看到的反应是:
2020-11-05T18:08:17.564+13:00 START RequestId: 3bed96b1-54af-4b08-bc06-be3732bba9ea Version: $LATEST
2020-11-05T18:08:17.568+13:00 2020-11-05T05:08:17.567Z 3bed96b1-54af-4b08-bc06-be3732bba9ea INFO params { DeliveryStreamName: 'TestStream', Record: { Data: <Buffer 74 65 73 74 20 64 61 74 61> } }
2020-11-05T18:08:17.621+13:00 END RequestId: 3bed96b1-54af-4b08-bc06-be3732bba9ea
2020-11-05T18:08:17.621+13:00 REPORT RequestId: 3bed96b1-54af-4b08-bc06-be3732bba9ea Duration: 57.38 ms Billed Duration: 100 ms Memory Size: 960 MB Max Memory Used: 85 MB Init Duration: 399.22 ms
2020-11-05T18:08:17.564+13:00启动请求ID:3bed96b1-54af-4b08-bc06-be3732bba9ea版本:$LATEST
2020-11-05T18:08:17.568+13:00 2020-11-05T05:08:17.567Z 3bed96b1-54af-4b08-bc06-be3732bba9ea信息参数{DeliveryStreamName:'TestStream',记录:{Data:}
2020-11-05T18:08:17.621+13:00结束请求ID:3bed96b1-54af-4b08-bc06-be3732bba9ea
2020-11-05T18:08:17.621+13:00报告请求ID:3bed96b1-54af-4b08-bc06-be3732bba9ea持续时间:57.38毫秒计费持续时间:100毫秒内存大小:960 MB最大使用内存:85 MB初始持续时间:399.22毫秒
因此,执行到达firehose行,并直接经过它们,而不做任何操作…因为您正在使用,我认为问题在于您的函数在firehose代码有机会运行之前完成
纠正这种情况的一种方法是使用Promise
,如中所示。例如:
const AWS = require('aws-sdk');
var firehose = new AWS.Firehose({ region: 'ap-southeast-2' });
exports.handler = async (event, context, callback) => {
const promise = new Promise(function(resolve, reject) {
var params = {
DeliveryStreamName: 'TestStream',
Record: {
Data: 'test data'
}
};
console.log('params', params);
firehose.putRecord(params, function (err, data) {
if (err) console.log(err, err.stack); // an error occurred
else console.log('Firehose Successful', data); // successful response
});
})
return promise;
};
以上更改仅为示例性更改,因此可能仍需要进行一些调整。太好了。这很有效。如何利用这个?也就是说,如果我将它放入一个函数中,并调用它两次,如
wait sendToFirehose()代码>它只运行一次,然后停止?这听起来不对。@monkey对这个新问题不太确定。你可以为此提出新的问题。不过,如果我的回答有帮助的话,我会很感激你接受我的回答。我创建了一个新问题来捕捉我的上述评论: