added console log statements for putObject

lib/storage/metadata/mongoclient/MongoClientInterface.js

@@ -228,6 +228,8 @@ class MongoClientInterface {
     }
 
     getBucketAttributes(bucketName, log, cb) {
+        log.debug('entered getBucketAttributes',
+            { database: bucketName });
         const m = this.getCollection(METASTORE);
         m.findOne({
             _id: bucketName,
@@ -245,11 +247,15 @@ class MongoClientInterface {
             // that properly inits w/o JSON.parse()
             const bucketMDStr = JSON.stringify(doc.value);
             const bucketMD = BucketInfo.deSerialize(bucketMDStr);
+            log.debug('exiting getBucketAttributes',
+                { database: bucketName });
             return cb(null, bucketMD);
         });
     }
 
     getBucketAndObject(bucketName, objName, params, log, cb) {
+        log.debug('entered getBucketAndObject',
+            { database: bucketName, object: objName });
         this.getBucketAttributes(bucketName, log, (err, bucket) => {
             if (err) {
                 log.error(
@@ -260,8 +266,11 @@ class MongoClientInterface {
             this.getObject(bucketName, objName, params, log, (err, obj) => {
                 if (err) {
                     if (err === errors.NoSuchKey) {
+                        log.debug('exiting getBucketAndObject with no such key',
+                            { database: bucketName, object: objName });
                         return cb(null,
-                                  { bucket:
+                            {
+                                bucket:
                                     BucketInfo.fromObj(bucket).serialize(),
                             });
                     }
@@ -269,6 +278,8 @@ class MongoClientInterface {
                         { error: err.message });
                     return cb(err);
                 }
+                log.debug('exiting getBucketAndObject',
+                    { database: bucketName, object: objName });
                 return cb(null, {
                     bucket: BucketInfo.fromObj(bucket).serialize(),
                     obj: JSON.stringify(obj),
@@ -618,26 +629,44 @@ class MongoClientInterface {
 
     putObject(bucketName, objName, objVal, params, log, cb) {
         MongoUtils.serialize(objVal);
+        log.debug('entered putObject',
+            { database: bucketName, object: objName });
         const c = this.getCollection(bucketName);
+        log.debug('inside putObject, got the collection name',
+            { database: bucketName, object: objName });
         if (params && params.versioning && !params.versionId) {
+            log.debug('inside putObject, case: putObjectVerCase1',
+                { database: bucketName, object: objName });
             return this.putObjectVerCase1(c, bucketName, objName, objVal,
                 params, log, cb);
         } else if (params && params.versionId === '') {
+            log.debug('inside putObject, case: putObjectVerCase2',
+                { database: bucketName, object: objName });
             return this.putObjectVerCase2(c, bucketName, objName, objVal,
                 params, log, cb);
         } else if (params && params.versionId && !params.repairMaster) {
+            log.debug('inside putObject, case: putObjectVerCase3',
+                { database: bucketName, object: objName });
             return this.putObjectVerCase3(c, bucketName, objName, objVal,
                 params, log, cb);
         } else if (params && params.versionId && params.repairMaster) {
+            log.debug('inside putObject, case: putObjectVerCase4',
+                { database: bucketName, object: objName });
             return this.putObjectVerCase4(c, bucketName, objName, objVal,
                 params, log, cb);
         }
+        log.debug('inside putObject, case: noversion',
+            { database: bucketName, object: objName });
         return this.putObjectNoVer(c, bucketName, objName, objVal,
             params, log, cb);
     }
 
     getObject(bucketName, objName, params, log, cb) {
+        log.debug('entered getObject',
+            { database: bucketName, object: objName });
         const c = this.getCollection(bucketName);
+        log.debug('inside getObject, got the collection',
+            { database: bucketName, object: objName });
         if (params && params.versionId) {
             // eslint-disable-next-line
             objName = formatVersionKey(objName, params.versionId);
@@ -645,12 +674,17 @@ class MongoClientInterface {
         c.findOne({
             _id: objName,
         }, {}, (err, doc) => {
+            log.debug('inside getObject, inside the cb for findOne query',
+                { database: bucketName, object: objName });
             if (err) {
                 log.error('findOne: error getting object',
                     { error: err.message });
                 return cb(errors.InternalError);
             }
+
             if (!doc) {
+                log.debug('inside getObject, got reply from database, obj not found',
+                    { database: bucketName, object: objName });
                 return cb(errors.NoSuchKey);
             }
             if (doc.value.isPHD) {
@@ -660,11 +694,15 @@ class MongoClientInterface {
                             { error: err.message });
                         return cb(err);
                     }
+                    log.debug('exited in PHD getObject',
+                        { database: bucketName, object: objName });
                     return cb(null, value);
                 });
                 return undefined;
             }
             MongoUtils.unserialize(doc.value);
+            log.debug('exited getObject',
+                { database: bucketName, object: objName });
             return cb(null, doc.value);
         });
     }