log: added info logs jg init

Author: sumandas0

graphdb/janus/src/main/java/org/apache/atlas/repository/graphdb/janus/AtlasJanusGraph.java

@@ -134,6 +134,7 @@ public AtlasJanusGraph() {
 
     public AtlasJanusGraph(JanusGraph graphInstance, RestHighLevelClient elasticsearchClient, RestClient restClient) {
         //determine multi-properties once at startup
+        LOG.info("Initializing AtlasJanusGraph constructor");
         JanusGraphManagement mgmt = null;
 
         try {
@@ -150,6 +151,7 @@ public AtlasJanusGraph(JanusGraph graphInstance, RestHighLevelClient elasticsear
             if (mgmt != null) {
                 mgmt.rollback();
             }
+            LOG.info("Done initializing AtlasJanusGraph constructor");
         }
 
         janusGraph = (StandardJanusGraph) graphInstance;

graphdb/janus/src/main/java/org/apache/atlas/repository/graphdb/janus/AtlasJanusGraphDatabase.java

@@ -195,7 +195,7 @@ public static JanusGraph getGraphInstance() {
 
     @VisibleForTesting
     static JanusGraph initJanusGraph(Configuration config) {
-
+        LOG.info("Initializing Janusgraph instance");
         org.apache.commons.configuration2.Configuration conf2 = createConfiguration2(config);
         try {
             return JanusGraphFactory.open(conf2);
@@ -208,6 +208,8 @@ static JanusGraph initJanusGraph(Configuration config) {
             } else {
                 throw new RuntimeException(e);
             }
+        } finally {
+            LOG.info("Initialized JG instance");
         }
     }
 
@@ -292,6 +294,7 @@ public static void unload() {
     }
 
     static void validateIndexBackend(Configuration config) {
+        LOG.info("Validating index backend");
         String configuredIndexBackend = config.getString(INDEX_BACKEND_CONF);
 
         JanusGraphManagement managementSystem = getGraphInstance().openManagement();
@@ -303,6 +306,8 @@ static void validateIndexBackend(Configuration config) {
                     + " differs from earlier configured Index Backend " + currentIndexBackend + ". Aborting!");
         }
 
+        LOG.info("Done validating index backend");
+
     }
 
     @Override

repository/src/main/java/org/apache/atlas/repository/graph/AtlasGraphProvider.java

@@ -94,13 +94,17 @@ public static void cleanup() {
     @Override
     @Bean(destroyMethod = "")
     public AtlasGraph get() throws RepositoryException{
+        LOG.info("Getting AtlasGraphProvider");
         try {
             return getGraphInstance();
         } catch (Exception ex) {
             LOG.info("Failed to obtain graph instance, retrying " + MAX_RETRY_COUNT + " times, error: " + ex);
 
             return retry();
+        } finally {
+            LOG.info("Done getting AtlasGraphProvider");
         }
+
     }
 
     private AtlasGraph retry() throws RepositoryException {