CLDSRV-769: Add raftSessionId to BucketInfo

raftSesssionId will be logged for access logging.

Author: dvasilas

lib/metadata/metadataUtils.js

@@ -196,7 +196,8 @@ function standardMetadataValidateBucketAndObj(params, actionImplicitDenies, log,
             if (getDeleteMarker) {
                 getOptions.getDeleteMarker = true;
             }
-            return metadata.getBucketAndObjectMD(bucketName, objectKey, getOptions, log, (err, getResult) => {
+            return metadata.getBucketAndObjectMD(bucketName, objectKey, getOptions, log, 
+                (err, getResult, raftSessionId) => {
                 if (err) {
                     // if some implicit iamAuthzResults, return AccessDenied
                     // before leaking any state information
@@ -205,12 +206,15 @@ function standardMetadataValidateBucketAndObj(params, actionImplicitDenies, log,
                     }
                     return next(err);
                 }
-                return next(null, getResult);
+                return next(null, getResult, raftSessionId);
             });
         },
-        (getResult, next) => {
+        (getResult, raftSessionId, next) => {
             const bucket = getResult.bucket ?
                   BucketInfo.deSerialize(getResult.bucket) : undefined;
+            if (raftSessionId !== undefined) {
+                bucket.setRaftSessionId(raftSessionId);
+            }
             if (!bucket) {
                 log.debug('bucketAttrs is undefined', {
                     bucket: bucketName,