Some refactoring to how we determine the Data Prepper version to allow other builds to modify the Data Prepper version. Log the current Data Prepper version on start up. (opensearch-project#6196)

Signed-off-by: David Venable <dlv@amazon.com>

Author: dlvenable

data-prepper-core/build.gradle

@@ -7,6 +7,7 @@ plugins {
     id 'data-prepper.publish'
 }
 
+def dataPrepperVersion = version
 def generatedSourcesDir = "${project.buildDir}/generated/sources/version/java"
 
 sourceSets {
@@ -87,7 +88,7 @@ configurations {
 }
 
 task generateVersionProvider {
-    inputs.property('version', version)
+    inputs.property('version', dataPrepperVersion)
     inputs.file('src/main/java/org/opensearch/dataprepper/core/CoreVersionProvider.java.template')
     outputs.dir(generatedSourcesDir)
 
@@ -97,7 +98,7 @@ task generateVersionProvider {
 
         def templateFile = file('src/main/java/org/opensearch/dataprepper/core/CoreVersionProvider.java.template')
         def versionProviderFile = file("$outputDir/CoreVersionProvider.java")
-        versionProviderFile.text = templateFile.text.replace('${version}', version)
+        versionProviderFile.text = templateFile.text.replace('${version}', dataPrepperVersion)
     }
 }
 

data-prepper-main/src/main/java/org/opensearch/dataprepper/DataPrepperExecute.java

@@ -6,6 +6,7 @@
 package org.opensearch.dataprepper;
 
 import org.opensearch.dataprepper.core.DataPrepper;
+import org.opensearch.dataprepper.model.configuration.DataPrepperVersion;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.annotation.ComponentScan;
@@ -20,6 +21,7 @@ public class DataPrepperExecute {
     private static final Logger LOG = LoggerFactory.getLogger(DataPrepperExecute.class);
 
     public static void main(final String ... args) {
+        LOG.info("Data Prepper {}", DataPrepperVersion.getCurrentVersion());
         java.security.Security.setProperty("networkaddress.cache.ttl", "60");
         System.setProperty("software.amazon.awssdk.http.service.impl", "software.amazon.awssdk.http.apache.ApacheSdkHttpService");