Remove obsolete splunk.instrumentation_library.XXX attributes (#34)

* Remove obsolete splunk.instrumentation_library.XXX attributes

* Format

Author: iNikem

README.md

@@ -111,7 +111,6 @@ System property values take priority over corresponding environment variables.
 ### Splunk distribution configuration
 | System property                                    | Environment variable                              | Default value | Notes                                                                                                                                         |
 | -------------------------------------------------- | ------------------------------------------------- | --------------| --------------------------------------------------------------------------------------------------------------------------------------------- |
-| splunk.otel.config.span.processor.instrlib.enabled | SPLUNK_OTEL_CONFIG_SPAN_PROCESSOR_INSTRLIB_ENABLED| `false`       | Enables span processing adding library instrumentation properties. Deprecated feature for customers not on the newest OpenTelemetry Collector |
 | splunk.jdbc.low.cardinality.span.name.enabled      | SPLUNK_JDBC_LOW_CARDINALITY_SPAN_NAME_ENABLED     | `true`        | Enables low cardinality span names for spans generated by the JDBC auto-instrumentation. By default JDBC spans use full SQL queries as their names; when this property is on just the SQL statement type should be used (e.g. `SELECT`, `INSERT`). |
 
 ## Manually instrument a Java application

custom/src/main/java/com/splunk/opentelemetry/InstrumentationLibrarySpanProcessor.java

@@ -19,10 +19,7 @@
 import io.opentelemetry.javaagent.spi.TracerCustomizer;
 import io.opentelemetry.sdk.trace.TracerSdkManagement;
 
-public class InstrumentationLibraryTracerCustomizer implements TracerCustomizer {
-
-  static final String PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED =
-      "splunk.otel.config.span.processor.instrlib.enabled";
+public class SplunkTracerCustomizer implements TracerCustomizer {
 
   static final String ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY =
       "splunk.jdbc.low.cardinality.span.name.enabled";
@@ -31,14 +28,6 @@ private static String propertyToEnv(String property) {
     return property.replace(".", "_").toUpperCase();
   }
 
-  private static boolean spanProcessorInstrumentationLibraryEnabled() {
-    String value = System.getProperty(PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED);
-    if (value == null) {
-      value = System.getenv(propertyToEnv(PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED));
-    }
-    return Boolean.parseBoolean(value);
-  }
-
   private static boolean jdbcSpanLowCardinalityNameEnabled() {
     String value = System.getProperty(ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY);
     if (value == null) {
@@ -50,9 +39,6 @@ private static boolean jdbcSpanLowCardinalityNameEnabled() {
 
   @Override
   public void configure(TracerSdkManagement tracerManagement) {
-    if (spanProcessorInstrumentationLibraryEnabled()) {
-      tracerManagement.addSpanProcessor(new InstrumentationLibrarySpanProcessor());
-    }
     if (jdbcSpanLowCardinalityNameEnabled()) {
       tracerManagement.addSpanProcessor(new JdbcSpanRenamingProcessor());
     }

…trumentationLibraryTracerCustomizer.java …pentelemetry/SplunkTracerCustomizer.javacustom/src/main/java/com/splunk/opentelemetry/InstrumentationLibraryTracerCustomizer.java renamed to custom/src/main/java/com/splunk/opentelemetry/SplunkTracerCustomizer.java custom/src/main/java/com/splunk/opentelemetry/InstrumentationLibraryTracerCustomizer.java renamed to custom/src/main/java/com/splunk/opentelemetry/SplunkTracerCustomizer.java

@@ -1 +1 @@
-com.splunk.opentelemetry.InstrumentationLibraryTracerCustomizer
+com.splunk.opentelemetry.SplunkTracerCustomizer

custom/src/main/resources/META-INF/services/io.opentelemetry.javaagent.spi.TracerCustomizer

@@ -16,11 +16,9 @@
 
 package com.splunk.opentelemetry;
 
-import static com.splunk.opentelemetry.InstrumentationLibraryTracerCustomizer.ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY;
-import static com.splunk.opentelemetry.InstrumentationLibraryTracerCustomizer.PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED;
+import static com.splunk.opentelemetry.SplunkTracerCustomizer.ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY;
 import static org.mockito.ArgumentMatchers.isA;
 import static org.mockito.BDDMockito.then;
-import static org.mockito.Mockito.never;
 
 import io.opentelemetry.sdk.trace.TracerSdkProvider;
 import org.junit.jupiter.api.Test;
@@ -29,24 +27,20 @@
 import org.mockito.junit.jupiter.MockitoExtension;
 
 @ExtendWith(MockitoExtension.class)
-public class InstrumentationLibraryTracerCustomizerTest {
+public class SplunkTracerCustomizerTest {
   @Mock private TracerSdkProvider tracerSdkProvider;
 
   @Test
   public void shouldAddSpanProcessorsIfPropertiesAreSetToTrue() {
 
     // given
-    InstrumentationLibraryTracerCustomizer underTest = new InstrumentationLibraryTracerCustomizer();
-    System.setProperty(PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED, "true");
+    SplunkTracerCustomizer underTest = new SplunkTracerCustomizer();
     System.setProperty(ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY, "true");
 
     // when
     underTest.configure(tracerSdkProvider);
 
     // then
-    then(tracerSdkProvider)
-        .should()
-        .addSpanProcessor(isA(InstrumentationLibrarySpanProcessor.class));
     then(tracerSdkProvider).should().addSpanProcessor(isA(JdbcSpanRenamingProcessor.class));
     then(tracerSdkProvider).shouldHaveNoMoreInteractions();
   }
@@ -55,8 +49,7 @@ public void shouldAddSpanProcessorsIfPropertiesAreSetToTrue() {
   public void shouldNotAddSpanProcessorsIfPropertiesAreSetToAnythingElse() {
 
     // given
-    InstrumentationLibraryTracerCustomizer underTest = new InstrumentationLibraryTracerCustomizer();
-    System.setProperty(PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED, "enabled");
+    SplunkTracerCustomizer underTest = new SplunkTracerCustomizer();
     System.setProperty(ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY, "whatever");
 
     // when
@@ -70,17 +63,13 @@ public void shouldNotAddSpanProcessorsIfPropertiesAreSetToAnythingElse() {
   public void shouldConfigureTracerSdkForDefaultValues() {
 
     // given
-    InstrumentationLibraryTracerCustomizer underTest = new InstrumentationLibraryTracerCustomizer();
-    System.clearProperty(PROPERTY_SPAN_PROCESSOR_INSTR_LIB_ENABLED);
+    SplunkTracerCustomizer underTest = new SplunkTracerCustomizer();
     System.clearProperty(ENABLE_JDBC_SPAN_LOW_CARDINALITY_NAME_PROPERTY);
 
     // when
     underTest.configure(tracerSdkProvider);
 
     // then
-    then(tracerSdkProvider)
-        .should(never())
-        .addSpanProcessor(isA(InstrumentationLibrarySpanProcessor.class));
     then(tracerSdkProvider).should().addSpanProcessor(isA(JdbcSpanRenamingProcessor.class));
     then(tracerSdkProvider).shouldHaveNoMoreInteractions();
   }

custom/src/test/java/com/splunk/opentelemetry/InstrumentationLibrarySpanProcessorTest.java

@@ -19,7 +19,6 @@
 import io.opentelemetry.proto.collector.trace.v1.ExportTraceServiceRequest;
 import java.io.IOException;
 import java.util.Collection;
-import java.util.Map;
 import java.util.jar.Attributes;
 import java.util.jar.JarFile;
 import okhttp3.Request;
@@ -34,11 +33,6 @@ protected String getTargetImage(int jdk) {
     return "open-telemetry-docker-dev.bintray.io/java/smoke-springboot-jdk" + jdk + ":latest";
   }
 
-  @Override
-  protected Map<String, String> getExtraEnv() {
-    return Map.of("SPLUNK_OTEL_CONFIG_SPAN_PROCESSOR_INSTRLIB_ENABLED", "true");
-  }
-
   @ParameterizedTest(name = "{index} => SpringBoot SmokeTest On JDK{0}.")
   @ValueSource(ints = {8, 11, 15})
   public void springBootSmokeTestOnJDK(int jdk) throws IOException, InterruptedException {
@@ -68,14 +62,6 @@ public void springBootSmokeTestOnJDK(int jdk) throws IOException, InterruptedExc
             .map(a -> a.getValue().getStringValue())
             .filter(s -> s.equals(currentAgentVersion))
             .count());
-    Assertions.assertEquals(
-        3,
-        getSpanStream(traces)
-            .flatMap(s -> s.getAttributesList().stream())
-            .filter(a -> a.getKey().equals("splunk.instrumentation_library.version"))
-            .map(a -> a.getValue().getStringValue())
-            .filter(s -> s.equals(currentAgentVersion))
-            .count());
 
     stopTarget();
   }