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Add README to custom AWS sample

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This commit is contained in:
Dave Syer
2019-07-08 15:42:49 +01:00
committed by Oleg Zhurakousky
parent 5e3111bf80
commit 3ae9d0523d
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spring-cloud-function-samples/function-sample-aws-custom/README.adoc Normal file
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This sample uses the custom runtime type on AWS lambda. You can run
the app locally (in your IDE or using the `bootstrap` script), but it
won't see any messages unless you have an HTTP server running on
localhost (port 80) serving endpoints in the same place as AWS
does. It's a useful check that the app is working.
To run the app in AWS choose the "custom" runtime type, and upload the
.zip file that gets built on the command line with `mvn package` (look
in `target`). The function is a simple uppercaser, so you can test it
with any String as input, but the Lambda UI only allows valid JSON as
test data, so you will have to escape the input with double quotes.
Example output from a cold start:
```
Execution result: succeeded(logs)
Details
The area below shows the result returned by your custom runtime function execution. Learn more about returning results from your function.
"HELLO"
Summary
Code SHA-256
sIkZo8zXjswqUjc06sCkf9O9UymMF+X6v5is3IOVw0k=
Request ID
468c9e2d-3921-4620-b750-00ee119fedb3
Init duration
1578.85 ms
Duration
178.39 ms
Billed duration
1800 ms
Resources configured
1024 MB
Max memory used
145 MB
Log output
The section below shows the logging calls in your code. These correspond to a single row within the CloudWatch log group corresponding to this Lambda function. Click here to view the CloudWatch log group.
START RequestId: 468c9e2d-3921-4620-b750-00ee119fedb3 Version: $LATEST
[2019-07-08 14:40:59.111] - 11 INFO [reactor-http-nio-4] --- reactor.Flux.MonoRepeatPredicate.1: onNext(GenericMessage [payload="hello", headers={date=Mon, 08 Jul 2019 14:40:58 GMT, lambda-runtime-trace-id=Root=1-5d2355f9-a865a5293c8070e84f764595;Parent=287c30562def3f40;Sampled=0, lambda-runtime-aws-request-id=468c9e2d-3921-4620-b750-00ee119fedb3, id=9cb1ae53-b512-f119-06da-5d27ca130487, lambda-runtime-invoked-function-arn=arn:aws:lambda:eu-west-1:816194980775:function:func, lambda-runtime-deadline-ms=1562596918977, timestamp=1562596859110}])
[2019-07-08 14:40:59.112] - 11 INFO [reactor-http-nio-4] --- com.example.LambdaApplication: Processing: "hello"
[2019-07-08 14:40:59.112] - 11 INFO [reactor-http-nio-4] --- org.springframework.cloud.function.web.source.SupplierExporter: Posting to: 468c9e2d-3921-4620-b750-00ee119fedb3
[2019-07-08 14:40:59.115] - 11 INFO [reactor-http-nio-4] --- reactor.Mono.Defer.2: onSubscribe(FluxSwitchIfEmpty.SwitchIfEmptySubscriber)
[2019-07-08 14:40:59.116] - 11 INFO [reactor-http-nio-4] --- reactor.Mono.Defer.2: request(32)
END RequestId: 468c9e2d-3921-4620-b750-00ee119fedb3
REPORT RequestId: 468c9e2d-3921-4620-b750-00ee119fedb3 Init Duration: 1578.85 ms Duration: 178.39 ms Billed Duration: 1800 ms Memory Size: 1024 MB Max Memory Used: 145 MB
```