Amazon web services 事件驱动Lambda消息的分类法?
我正在用Lambda+APIGateway+SQS+SNS+S3+DynamoDB构建事件驱动的AWS堆栈 我经常遇到的一个问题是,如果将上述任何一项绑定到Lambda(通过事件通知或事件源映射),Lambda接收到的事件消息的格式完全不同,因此S3发送的消息与SQS发送的消息完全不同,而SQS发送的消息与DynamoDB等发送的消息完全不同 通常,我必须使用事件源+事件源映射+Lambda设置一个Cloudformation堆栈,然后将消息推送到事件源上,以查看实际结果是什么消息。多么巨大的痛苦啊Amazon web services 事件驱动Lambda消息的分类法?,amazon-web-services,aws-lambda,Amazon Web Services,Aws Lambda,我正在用Lambda+APIGateway+SQS+SNS+S3+DynamoDB构建事件驱动的AWS堆栈 我经常遇到的一个问题是,如果将上述任何一项绑定到Lambda(通过事件通知或事件源映射),Lambda接收到的事件消息的格式完全不同,因此S3发送的消息与SQS发送的消息完全不同,而SQS发送的消息与DynamoDB等发送的消息完全不同 通常,我必须使用事件源+事件源映射+Lambda设置一个Cloudformation堆栈,然后将消息推送到事件源上,以查看实际结果是什么消息。多么巨大的痛
是否没有一个单独的组合资源列出不同事件消息的不同模式格式?希望有人能给我指出正确的方向。Lambda console在
配置测试事件中提供了一些示例事件。以下是控制台中您提到的服务的示例
APIGateway(aws代理)
SQS
{
"Records": [
{
"messageId": "19dd0b57-b21e-4ac1-bd88-01bbb068cb78",
"receiptHandle": "MessageReceiptHandle",
"body": "Hello from SQS!",
"attributes": {
"ApproximateReceiveCount": "1",
"SentTimestamp": "1523232000000",
"SenderId": "123456789012",
"ApproximateFirstReceiveTimestamp": "1523232000001"
},
"messageAttributes": {},
"md5OfBody": "7b270e59b47ff90a553787216d55d91d",
"eventSource": "aws:sqs",
"eventSourceARN": "arn:aws:sqs:us-east-1:123456789012:MyQueue",
"awsRegion": "us-east-1"
}
]
}
{
"Records": [
{
"EventSource": "aws:sns",
"EventVersion": "1.0",
"EventSubscriptionArn": "arn:aws:sns:us-east-1:{{{accountId}}}:ExampleTopic",
"Sns": {
"Type": "Notification",
"MessageId": "95df01b4-ee98-5cb9-9903-4c221d41eb5e",
"TopicArn": "arn:aws:sns:us-east-1:123456789012:ExampleTopic",
"Subject": "example subject",
"Message": "example message",
"Timestamp": "1970-01-01T00:00:00.000Z",
"SignatureVersion": "1",
"Signature": "EXAMPLE",
"SigningCertUrl": "EXAMPLE",
"UnsubscribeUrl": "EXAMPLE",
"MessageAttributes": {
"Test": {
"Type": "String",
"Value": "TestString"
},
"TestBinary": {
"Type": "Binary",
"Value": "TestBinary"
}
}
}
}
]
}
SNS
{
"Records": [
{
"messageId": "19dd0b57-b21e-4ac1-bd88-01bbb068cb78",
"receiptHandle": "MessageReceiptHandle",
"body": "Hello from SQS!",
"attributes": {
"ApproximateReceiveCount": "1",
"SentTimestamp": "1523232000000",
"SenderId": "123456789012",
"ApproximateFirstReceiveTimestamp": "1523232000001"
},
"messageAttributes": {},
"md5OfBody": "7b270e59b47ff90a553787216d55d91d",
"eventSource": "aws:sqs",
"eventSourceARN": "arn:aws:sqs:us-east-1:123456789012:MyQueue",
"awsRegion": "us-east-1"
}
]
}
{
"Records": [
{
"EventSource": "aws:sns",
"EventVersion": "1.0",
"EventSubscriptionArn": "arn:aws:sns:us-east-1:{{{accountId}}}:ExampleTopic",
"Sns": {
"Type": "Notification",
"MessageId": "95df01b4-ee98-5cb9-9903-4c221d41eb5e",
"TopicArn": "arn:aws:sns:us-east-1:123456789012:ExampleTopic",
"Subject": "example subject",
"Message": "example message",
"Timestamp": "1970-01-01T00:00:00.000Z",
"SignatureVersion": "1",
"Signature": "EXAMPLE",
"SigningCertUrl": "EXAMPLE",
"UnsubscribeUrl": "EXAMPLE",
"MessageAttributes": {
"Test": {
"Type": "String",
"Value": "TestString"
},
"TestBinary": {
"Type": "Binary",
"Value": "TestBinary"
}
}
}
}
]
}
S3(看跌期权)
发电机B
{
"Records": [
{
"eventID": "c4ca4238a0b923820dcc509a6f75849b",
"eventName": "INSERT",
"eventVersion": "1.1",
"eventSource": "aws:dynamodb",
"awsRegion": "us-east-1",
"dynamodb": {
"Keys": {
"Id": {
"N": "101"
}
},
"NewImage": {
"Message": {
"S": "New item!"
},
"Id": {
"N": "101"
}
},
"ApproximateCreationDateTime": 1428537600,
"SequenceNumber": "4421584500000000017450439091",
"SizeBytes": 26,
"StreamViewType": "NEW_AND_OLD_IMAGES"
},
"eventSourceARN": "arn:aws:dynamodb:us-east-1:123456789012:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899"
},
{
"eventID": "c81e728d9d4c2f636f067f89cc14862c",
"eventName": "MODIFY",
"eventVersion": "1.1",
"eventSource": "aws:dynamodb",
"awsRegion": "us-east-1",
"dynamodb": {
"Keys": {
"Id": {
"N": "101"
}
},
"NewImage": {
"Message": {
"S": "This item has changed"
},
"Id": {
"N": "101"
}
},
"OldImage": {
"Message": {
"S": "New item!"
},
"Id": {
"N": "101"
}
},
"ApproximateCreationDateTime": 1428537600,
"SequenceNumber": "4421584500000000017450439092",
"SizeBytes": 59,
"StreamViewType": "NEW_AND_OLD_IMAGES"
},
"eventSourceARN": "arn:aws:dynamodb:us-east-1:123456789012:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899"
},
{
"eventID": "eccbc87e4b5ce2fe28308fd9f2a7baf3",
"eventName": "REMOVE",
"eventVersion": "1.1",
"eventSource": "aws:dynamodb",
"awsRegion": "us-east-1",
"dynamodb": {
"Keys": {
"Id": {
"N": "101"
}
},
"OldImage": {
"Message": {
"S": "This item has changed"
},
"Id": {
"N": "101"
}
},
"ApproximateCreationDateTime": 1428537600,
"SequenceNumber": "4421584500000000017450439093",
"SizeBytes": 38,
"StreamViewType": "NEW_AND_OLD_IMAGES"
},
"eventSourceARN": "arn:aws:dynamodb:us-east-1:123456789012:table/ExampleTableWithStream/stream/2015-06-27T00:48:05.899"
}
]
}