SpringCloud/spring-cloud-function
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Add propagation of HTTP headers

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Polish function composition logic
This commit is contained in:
Oleg Zhurakousky
2020-04-20 15:49:39 +02:00
parent 5f37819eae
commit 27494567a0
5 changed files with 46 additions and 19 deletions
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7
spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/RequestProcessor.java
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@@ -22,6 +22,7 @@ import java.lang.reflect.Type;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
@@ -298,7 +299,11 @@ public class RequestProcessor {
}
private Flux<?> messages(FunctionWrapper request, Object function, Flux<?> flux) {
Map<String, Object> headers = HeaderUtils.fromHttp(request.headers());
Map<String, Object> headers = new HashMap<>(HeaderUtils.fromHttp(request.headers()));
if (function instanceof FunctionInvocationWrapper) {
headers.put("scf-func-name", ((FunctionInvocationWrapper) function).getFunctionDefinition());
}
return flux.map(payload -> MessageUtils.create(function, payload, headers));
}

2
spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/source/HttpSupplier.java
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@@ -88,6 +88,8 @@ public class HttpSupplier implements Supplier<Flux<?>> {
return MessageBuilder.withPayload(payload)
.copyHeaders(HeaderUtils.fromHttp(
HeaderUtils.sanitize(response.headers().asHttpHeaders())))
.setHeader("scf-sink-url", this.props.getSink().getUrl())
.setHeader("scf-func-name", this.props.getSink().getName())
.build();
}