Use a local VERSION string in OC-Agent Exporter.

RELEASING.md

@@ -67,6 +67,7 @@ token](https://help.github.com/articles/creating-a-personal-access-token-for-the
       examples/build.gradle
       examples/pom.xml
       api/src/main/java/io/opencensus/common/OpenCensusLibraryInformation.java
+      exporters/trace/ocagent/src/main/java/io/opencensus/exporter/trace/ocagent/OcAgentNodeUtils.java
       )
     $ git checkout -b v$MAJOR.$MINOR.x master
     $ git push upstream v$MAJOR.$MINOR.x

exporters/trace/ocagent/src/main/java/io/opencensus/exporter/trace/ocagent/OcAgentNodeUtils.java

@@ -41,6 +41,10 @@
 /** Utilities for detecting and creating {@link Node}. */
 final class OcAgentNodeUtils {
 
+  // The current version of the OpenCensus OC-Agent Exporter.
+  @VisibleForTesting
+  static final String OC_AGENT_EXPORTER_VERSION = "0.17.0-SNAPSHOT"; // CURRENT_OPENCENSUS_VERSION
+
   @VisibleForTesting static final String RESOURCE_TYPE_ATTRIBUTE_KEY = "OPENCENSUS_SOURCE_TYPE";
   @VisibleForTesting static final String RESOURCE_LABEL_ATTRIBUTE_KEY = "OPENCENSUS_SOURCE_LABELS";
 
@@ -93,13 +97,12 @@ static ProcessIdentifier getProcessIdentifier(String jvmName, Timestamp censusTi
   }
 
   // Creates library info with the given OpenCensus Java version.
-  // Note that in Java, the versions between exporters and core library are the same.
   @VisibleForTesting
   static LibraryInfo getLibraryInfo(String currentOcJavaVersion) {
     return LibraryInfo.newBuilder()
         .setLanguage(Language.JAVA)
         .setCoreLibraryVersion(currentOcJavaVersion)
-        .setExporterVersion(currentOcJavaVersion)
+        .setExporterVersion(OC_AGENT_EXPORTER_VERSION)
         .build();
   }
 
@@ -120,7 +123,7 @@ static ServiceInfo getServiceInfo(String serviceName) {
    *   A comma-separated list of labels describing the source in more detail,
    *   e.g. “key1=val1,key2=val2”. The allowed character set is appropriately constrained.
    */
-  // TODO: update this once we have an agreement on
+  // TODO: update the resource attributes once we have an agreement on the resource specs:
   // https://github.com/census-instrumentation/opencensus-specs/pull/162.
   @VisibleForTesting
   static Map<String, String> getAttributeMap(@Nullable MonitoredResource resource) {

exporters/trace/ocagent/src/test/java/io/opencensus/exporter/trace/ocagent/OcAgentNodeUtilsTest.java

@@ -17,6 +17,7 @@
 package io.opencensus.exporter.trace.ocagent;
 
 import static com.google.common.truth.Truth.assertThat;
+import static io.opencensus.exporter.trace.ocagent.OcAgentNodeUtils.OC_AGENT_EXPORTER_VERSION;
 import static io.opencensus.exporter.trace.ocagent.OcAgentNodeUtils.RESOURCE_LABEL_ATTRIBUTE_KEY;
 import static io.opencensus.exporter.trace.ocagent.OcAgentNodeUtils.RESOURCE_TYPE_ATTRIBUTE_KEY;
 
@@ -47,6 +48,7 @@ public class OcAgentNodeUtilsTest {
 
   @Test
   public void testConstants() {
+    assertThat(OC_AGENT_EXPORTER_VERSION).isEqualTo("0.17.0-SNAPSHOT");
     assertThat(RESOURCE_TYPE_ATTRIBUTE_KEY).isEqualTo("OPENCENSUS_SOURCE_TYPE");
     assertThat(RESOURCE_LABEL_ATTRIBUTE_KEY).isEqualTo("OPENCENSUS_SOURCE_LABELS");
   }
@@ -64,11 +66,11 @@ public void getProcessIdentifier() {
 
   @Test
   public void getLibraryInfo() {
-    String currentOcJavaVersion = "0.17.0";
+    String currentOcJavaVersion = "0.16.0";
     LibraryInfo libraryInfo = OcAgentNodeUtils.getLibraryInfo(currentOcJavaVersion);
     assertThat(libraryInfo.getLanguage()).isEqualTo(Language.JAVA);
     assertThat(libraryInfo.getCoreLibraryVersion()).isEqualTo(currentOcJavaVersion);
-    assertThat(libraryInfo.getExporterVersion()).isEqualTo(currentOcJavaVersion);
+    assertThat(libraryInfo.getExporterVersion()).isEqualTo(OC_AGENT_EXPORTER_VERSION);
   }
 
   @Test