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GH-563 Add support for SNSEvent (AWS)

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Resolves #563
This commit is contained in:
Oleg Zhurakousky
2020-07-24 15:53:03 +02:00
parent 6a4bddc042
commit 4ce94f7d54
3 changed files with 152 additions and 3 deletions
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27
spring-cloud-function-adapters/spring-cloud-function-adapter-aws/src/main/java/org/springframework/cloud/function/adapter/aws/FunctionInvoker.java
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@@ -33,6 +33,7 @@ import com.amazonaws.services.lambda.runtime.RequestStreamHandler;
import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
import com.amazonaws.services.lambda.runtime.events.KinesisEvent;
import com.amazonaws.services.lambda.runtime.events.S3Event;
import com.amazonaws.services.lambda.runtime.events.SNSEvent;
import com.amazonaws.services.lambda.runtime.events.SQSEvent;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
@@ -40,6 +41,7 @@ import com.fasterxml.jackson.databind.JsonDeserializer;
import com.fasterxml.jackson.databind.MapperFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.joda.JodaModule;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
@@ -142,6 +144,8 @@ public class FunctionInvoker implements RequestStreamHandler {
if (logger.isInfoEnabled()) {
logger.info("Located function: '" + functionName + "'");
}
mapper.registerModule(new JodaModule());
}
private void configureObjectMapper() {
@@ -179,20 +183,27 @@ public class FunctionInvoker implements RequestStreamHandler {
if (requestMap.containsKey("Records")) {
List<Map<String, ?>> records = (List<Map<String, ?>>) requestMap.get("Records");
Assert.notEmpty(records, "Incoming event has no records: " + requestMap);
if (records.get(0).containsKey("kinesis")) {
if (this.isKinesisEvent(records.get(0))) {
logger.info("Incoming request is Kinesis Event");
Assert.isTrue(inputType instanceof Class && KinesisEvent.class.isAssignableFrom((Class<?>) inputType) || mapInputType,
"Only KinesisEvent or Map type is supported as input type for functions that accept Kinesis Event");
Object event = mapInputType ? requestMap : this.mapper.convertValue(requestMap, KinesisEvent.class);
messageBuilder = MessageBuilder.withPayload(event);
}
else if (records.get(0).containsKey("s3")) {
else if (this.isS3Event(records.get(0))) {
logger.info("Incoming request is S3 Event");
Assert.isTrue(inputType instanceof Class && S3Event.class.isAssignableFrom((Class<?>) inputType) || mapInputType,
"Only S3Event or Map type is supported as input type for functions that accept S3 Event");
Object event = mapInputType ? requestMap : this.mapper.convertValue(requestMap, S3Event.class);
messageBuilder = MessageBuilder.withPayload(event);
}
else if (this.isSNSEvent(records.get(0))) {
logger.info("Incoming request is SNS Event");
Assert.isTrue(inputType instanceof Class && SNSEvent.class.isAssignableFrom((Class<?>) inputType) || mapInputType,
"Only SNSEvent or Map type is supported as input type for functions that accept SNSEvent");
Object event = mapInputType ? requestMap : this.mapper.convertValue(requestMap, SNSEvent.class);
messageBuilder = MessageBuilder.withPayload(event);
}
else {
logger.info("Incoming request is SQS Event");
Assert.isTrue(inputType instanceof Class && SQSEvent.class.isAssignableFrom((Class<?>) inputType) || mapInputType,
@@ -224,4 +235,16 @@ public class FunctionInvoker implements RequestStreamHandler {
}
return messageBuilder.setHeader("aws-context", context).build();
}
private boolean isSNSEvent(Map<String, ?> record) {
return record.containsKey("Sns");
}
private boolean isS3Event(Map<String, ?> record) {
return record.containsKey("s3");
}
private boolean isKinesisEvent(Map<String, ?> record) {
return record.containsKey("kinesis");
}
}