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opentelemetry-java-instrumentation
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Stop creating a "top level" servlet span when in a forward/include situation. 

Effectively reverting 6703bd96bb

The expectation is that these are not really separate external requests, but a semantic way of processing a single request.
This commit is contained in:
Tyler Benson 2020-03-05 12:52:13 -08:00
parent 0f65b4db76
commit 2802009e01
5 changed files with 8 additions and 11 deletions
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7
dd-java-agent/instrumentation/servlet/request-2/src/main/java/datadog/trace/instrumentation/servlet2/Servlet2Advice.java
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@ -2,7 +2,6 @@ package datadog.trace.instrumentation.servlet2;
import static datadog.trace.agent.decorator.HttpServerDecorator.DD_SPAN_ATTRIBUTE;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activateSpan;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activeSpan;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.propagate;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.startSpan;
import static datadog.trace.instrumentation.servlet2.HttpServletRequestExtractAdapter.GETTER;
@ -29,11 +28,11 @@ public class Servlet2Advice {
@Advice.Argument(0) final ServletRequest request,
@Advice.Argument(value = 1, readOnly = false, typing = Assigner.Typing.DYNAMIC)
ServletResponse response) {
final boolean hasActiveTrace = activeSpan() != null;
final boolean hasServletTrace = request.getAttribute(DD_SPAN_ATTRIBUTE) instanceof AgentSpan;
final boolean invalidRequest = !(request instanceof HttpServletRequest);
if (invalidRequest || (hasActiveTrace && hasServletTrace)) {
// Tracing might already be applied by the FilterChain. If so ignore this.
if (invalidRequest || hasServletTrace) {
// Tracing might already be applied by the FilterChain or a parent request (forward/include).
return null;
}

6
dd-java-agent/instrumentation/servlet/request-3/src/main/java/datadog/trace/instrumentation/servlet3/Servlet3Advice.java
View File

@ -2,7 +2,6 @@ package datadog.trace.instrumentation.servlet3;
import static datadog.trace.agent.decorator.HttpServerDecorator.DD_SPAN_ATTRIBUTE;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activateSpan;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.activeSpan;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.propagate;
import static datadog.trace.bootstrap.instrumentation.api.AgentTracer.startSpan;
import static datadog.trace.instrumentation.servlet3.HttpServletRequestExtractAdapter.GETTER;
@ -29,11 +28,10 @@ public class Servlet3Advice {
@Advice.Argument(0) final ServletRequest request,
@Advice.Argument(1) final ServletResponse response) {
final boolean hasActiveTrace = activeSpan() != null;
final boolean hasServletTrace = request.getAttribute(DD_SPAN_ATTRIBUTE) instanceof AgentSpan;
final boolean invalidRequest = !(request instanceof HttpServletRequest);
if (invalidRequest || (hasActiveTrace && hasServletTrace)) {
// Tracing might already be applied by the FilterChain. If so ignore this.
if (invalidRequest || hasServletTrace) {
// Tracing might already be applied by the FilterChain or a parent request (forward/include).
return null;
}

2
dd-java-agent/instrumentation/servlet/src/main/java/datadog/trace/instrumentation/servlet/dispatcher/RequestDispatcherInstrumentation.java
View File

@ -68,7 +68,7 @@ public final class RequestDispatcherInstrumentation extends Instrumenter.Default
.and(takesArgument(0, named("javax.servlet.ServletRequest")))
.and(takesArgument(1, named("javax.servlet.ServletResponse")))
.and(isPublic()),
RequestDispatcherAdvice.class.getName());
getClass().getName() + "$RequestDispatcherAdvice");
}
public static class RequestDispatcherAdvice {

2
dd-java-agent/instrumentation/servlet/src/main/java/datadog/trace/instrumentation/servlet/filter/FilterInstrumentation.java
View File

@ -61,7 +61,7 @@ public final class FilterInstrumentation extends Instrumenter.Default {
.and(takesArgument(0, named("javax.servlet.ServletRequest")))
.and(takesArgument(1, named("javax.servlet.ServletResponse")))
.and(isPublic()),
FilterAdvice.class.getName());
getClass().getName() + "$FilterAdvice");
}
public static class FilterAdvice {

2
dd-java-agent/instrumentation/servlet/src/main/java/datadog/trace/instrumentation/servlet/http/HttpServletInstrumentation.java
View File

@ -67,7 +67,7 @@ public final class HttpServletInstrumentation extends Instrumenter.Default {
.and(takesArgument(0, named("javax.servlet.http.HttpServletRequest")))
.and(takesArgument(1, named("javax.servlet.http.HttpServletResponse")))
.and(isProtected().or(isPublic())),
HttpServletAdvice.class.getName());
getClass().getName() + "$HttpServletAdvice");
}
public static class HttpServletAdvice {