Merge pull request #159 from datastax/log-verison

Log agent version on startup

Author: lhotari

agent-dse4/build.gradle

@@ -15,6 +15,7 @@ jar {
     duplicatesStrategy = DuplicatesStrategy.INCLUDE
     manifest {
         attributes 'Premain-Class': "$mainClassName"
+        attributes 'Implementation-Version': project.version
     }
     zip64=true
 }

agent-dse4/src/main/java/com/datastax/oss/cdc/agent/Agent.java

@@ -57,7 +57,8 @@ static void main(String agentArgs, Instrumentation inst) throws Exception {
     }
 
     static void startCdcAgent(String agentArgs) throws Exception {
-        log.info("Starting CDC agent, cdc_raw_directory={}", DatabaseDescriptor.getCDCLogLocation());
+        String agentVersion = Agent.class.getPackage().getImplementationVersion();
+        log.info("Starting CDC agent v{}, cdc_raw_directory={}", agentVersion, DatabaseDescriptor.getCDCLogLocation());
         AgentConfig config = AgentConfig.create(AgentConfig.Platform.PULSAR, agentArgs);
 
         SegmentOffsetFileWriter segmentOffsetFileWriter = new SegmentOffsetFileWriter(config.cdcWorkingDir);