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Appsec: create top span for process executions
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| ext { | ||
| minJavaVersionForTests = JavaVersion.VERSION_1_8 | ||
| } | ||
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| muzzle { | ||
| pass { | ||
| coreJdk() | ||
| } | ||
| } | ||
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| apply from: "$rootDir/gradle/java.gradle" |
42 changes: 42 additions & 0 deletions
42
...ang/src/main/java/datadog/trace/instrumentation/java/lang/ProcessImplInstrumentation.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package datadog.trace.instrumentation.java.lang; | ||
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| import static datadog.trace.agent.tooling.bytebuddy.matcher.NameMatchers.named; | ||
| import static net.bytebuddy.matcher.ElementMatchers.takesArguments; | ||
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| import com.google.auto.service.AutoService; | ||
| import datadog.trace.agent.tooling.Instrumenter; | ||
| import datadog.trace.api.Platform; | ||
| import java.util.Map; | ||
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| @AutoService(Instrumenter.class) | ||
| public class ProcessImplInstrumentation extends Instrumenter.AppSec | ||
| implements Instrumenter.ForSingleType, Instrumenter.ForBootstrap { | ||
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| public ProcessImplInstrumentation() { | ||
| super("java-lang-appsec"); | ||
| } | ||
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| @Override | ||
| public String instrumentedType() { | ||
| return "java.lang.ProcessImpl"; | ||
| } | ||
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| @Override | ||
| public boolean isEnabled() { | ||
| return Platform.isJavaVersionAtLeast(8) && super.isEnabled(); | ||
| } | ||
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| @Override | ||
| public void adviceTransformations(AdviceTransformation transformation) { | ||
| transformation.applyAdvice( | ||
| named("start") | ||
| .and( | ||
| takesArguments( | ||
| String[].class, | ||
| Map.class, | ||
| String.class, | ||
| ProcessBuilder.Redirect[].class, | ||
| boolean.class)), | ||
| packageName + ".ProcessImplStartAdvice"); | ||
| } | ||
| } |
50 changes: 50 additions & 0 deletions
50
...a-lang/src/main/java8/datadog/trace/instrumentation/java/lang/ProcessImplStartAdvice.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package datadog.trace.instrumentation.java.lang; | ||
|
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| import datadog.trace.bootstrap.ActiveSubsystems; | ||
| import datadog.trace.bootstrap.instrumentation.api.AgentSpan; | ||
| import datadog.trace.bootstrap.instrumentation.api.AgentTracer; | ||
| import datadog.trace.bootstrap.instrumentation.api.TagContext; | ||
| import datadog.trace.bootstrap.instrumentation.api8.java.lang.ProcessImplInstrumentationHelpers; | ||
| import java.io.IOException; | ||
| import java.util.Map; | ||
| import net.bytebuddy.asm.Advice; | ||
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| class ProcessImplStartAdvice { | ||
| @Advice.OnMethodEnter(suppress = Throwable.class) | ||
| public static AgentSpan startSpan(@Advice.Argument(0) final String[] command) throws IOException { | ||
| if (!ProcessImplInstrumentationHelpers.ONLINE) { | ||
| return null; | ||
| } | ||
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| AgentTracer.TracerAPI tracer = AgentTracer.get(); | ||
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| if (!ActiveSubsystems.APPSEC_ACTIVE) { | ||
| return null; | ||
| } | ||
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| Map<String, String> tags = ProcessImplInstrumentationHelpers.createTags(command); | ||
| TagContext tagContext = new TagContext("appsec", tags); | ||
| AgentSpan span = tracer.startSpan("command_execution", tagContext, true); | ||
| span.setSpanType("system"); | ||
| span.setResourceName(ProcessImplInstrumentationHelpers.determineResource(command)); | ||
| span.startThreadMigration(); | ||
| return span; | ||
| } | ||
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| @Advice.OnMethodExit(suppress = Throwable.class, onThrowable = Throwable.class) | ||
| public static void endSpan( | ||
| @Advice.Return Process p, @Advice.Enter AgentSpan span, @Advice.Thrown Throwable t) { | ||
| if (span == null) { | ||
| return; | ||
| } | ||
| if (t != null) { | ||
| span.finishThreadMigration(); | ||
| span.setError(true); | ||
| span.setErrorMessage(t.getMessage()); | ||
| span.finish(); | ||
| return; | ||
| } | ||
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| ProcessImplInstrumentationHelpers.addProcessCompletionHook(p, span); | ||
| } | ||
| } |
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