Skip to content

add uber-trace-id for request header #110

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 2 commits into
base: master
Choose a base branch
from
Open

add uber-trace-id for request header #110

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b4d9ac6
add uber-trace-id for request header,so microservice can get this for…
aslongyouloveme Jul 5, 2019
a7ee413
wrappleExchange method use foreach instead iterator
aslongyouloveme Jul 8, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
20 changes: 19 additions & 1 deletion ...spring-web/src/main/java/io/opentracing/contrib/spring/web/webfilter/TracingOperator.java
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@
import io.opentracing.SpanContext;
import io.opentracing.Tracer;
import io.opentracing.propagation.Format;
import io.opentracing.propagation.TextMapAdapter;
import io.opentracing.tag.Tags;
import org.springframework.http.server.reactive.ServerHttpRequest;
import org.springframework.web.server.ServerWebExchange;
Expand All @@ -28,7 +29,10 @@
import reactor.core.publisher.MonoOperator;
import reactor.util.context.Context;

import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
* Similar to {@code MonoWebFilterTrace} from spring-cloud-sleuth-core.
Expand Down Expand Up @@ -72,7 +76,21 @@ public void subscribe(final CoreSubscriber<? super Void> subscriber) {

try (final Scope scope = tracer.scopeManager().activate(span, false)) {
exchange.getAttributes().put(TracingWebFilter.SERVER_SPAN_CONTEXT, span.context());
source.subscribe(new TracingSubscriber(subscriber, exchange, context, span, spanDecorators));
source.subscribe(new TracingSubscriber(subscriber, this.wrappleExchange(span), context, span, spanDecorators));
}
}

private ServerWebExchange wrappleExchange(Span span) {
Map<String, String> map = new HashMap();
this.tracer.inject(span.context(), Format.Builtin.HTTP_HEADERS, new TextMapAdapter(map));
ServerHttpRequest req = this.exchange.getRequest();
if (map.isEmpty()) {
return this.exchange;
} else {
for (String key : map.keySet()) {
req.mutate().header(key, map.get(key));
}
}
return this.exchange.mutate().request(req).build();
}
}