Swap NotMasterError with NotPrimaryError.

requirements.txt

@@ -34,7 +34,7 @@ pep8~=1.7.1                   # wmagent-devtools
 psutil~=5.8.0                 # wmagent,wmagent-devtools,reqmgr2,reqmon,global-workqueue
 pycurl~=7.43.0.6              # wmagent,reqmgr2,reqmon,global-workqueue,reqmgr2ms
 pylint~=2.7.0                 # wmagent-devtools
-pymongo~=3.10.1               # wmagent-devtools,reqmgr2ms
+pymongo~=4.0.1                # wmagent-devtools,reqmgr2ms
 pyOpenSSL~=18.0.0             # wmagent
 pyzmq~=19.0.2                 # wmagent
 retry~=0.9.2                  # wmagent,wmagent-devtools,reqmgr2,reqmon,global-workqueue,reqmgr2ms

src/python/WMCore/Database/MongoDB.py

@@ -138,7 +138,7 @@ def _dbTest(self, db):
             raise ex
 
         # Test for database existence
-        if db not in self.client.database_names():
+        if db not in self.client.list_database_names():
             msg = "Missing MongoDB databases: %s" % db
             self.logger.error(msg)
             raise errors.InvalidName

src/python/WMCore/MicroService/MSUnmerged/MSUnmerged.py

@@ -29,7 +29,7 @@
     gfal2 = None
 
 from pymongo import IndexModel
-from pymongo.errors  import NotMasterError
+from pymongo.errors  import NotPrimaryError
 
 # WMCore modules
 from WMCore.MicroService.DataStructs.DefaultStructs import UNMERGED_REPORT
@@ -517,7 +517,7 @@ def consRecordAge(self, rse):
             self.logger.info(msg)
             try:
                 rse.resetRSE(self.msUnmergedColl, keepTimestamps=True, retryCount=self.msConfig['mongoDBRetryCount'])
-            except NotMasterError:
+            except NotPrimaryError:
                 msg = "Could not reset RSE to MongoDB for the maximum of %s mongoDBRetryCounts configured." % self.msConfig['mongoDBRetryCount']
                 msg += "Giving up now. The whole cleanup process will be retried for this RSE on the next run."
                 msg += "Duplicate deletion retries may cause error messages from false positives and wrong counters during next polling cycle."
@@ -803,7 +803,7 @@ def uploadRSEToMongoDB(self, rse, fullRSEToDB=False, overwrite=True):
         try:
             self.logger.info("RSE: %s Writing rse data to MongoDB." % rse['name'])
             rse.writeRSEToMongoDB(self.msUnmergedColl, fullRSEToDB=fullRSEToDB, overwrite=overwrite, retryCount=self.msConfig['mongoDBRetryCount'])
-        except NotMasterError:
+        except NotPrimaryError:
             msg = "Could not write RSE to MongoDB for the maximum of %s mongoDBRetryCounts configured." % self.msConfig['mongoDBRetryCount']
             msg += "Giving up now. The whole cleanup process will be retried for this RSE on the next run."
             msg += "Duplicate deletion retries may cause error messages from false positives and wrong counters during next polling cycle."

src/python/WMCore/MicroService/MSUnmerged/MSUnmergedRSE.py

@@ -3,7 +3,7 @@
 Description: Provides a document Template for the MSUnmerged MicroServices
 """
 
-from pymongo.errors  import NotMasterError
+from pymongo.errors  import NotPrimaryError
 # from pymongo.results import results as MongoResults
 
 
@@ -130,7 +130,7 @@ def writeRSEToMongoDB(self, collection, fullRSEToDB=False, overwrite=False, retr
                                the database is about to be completely replaced or just
                                fields update is to happen.
         :param retryCount:     The number of retries for the write operation if failed due to
-                               `NotMasterError. Possible values:
+                               `NotPrimaryError. Possible values:
                                0   - the write operation will be tried exactly once and no retries will happen
                                > 0 - the write operation will be retried this number of times
                                < 0 - the write operation will never be tried
@@ -166,7 +166,7 @@ def writeRSEToMongoDB(self, collection, fullRSEToDB=False, overwrite=False, retr
                     updateFields[field] = self[field]
 
         updateOps = {'$set': updateFields}
-        # NOTE: NotMasterError is a recoverable error, caused by a session to a
+        # NOTE: NotPrimaryError is a recoverable error, caused by a session to a
         #       non primary backend part of a replicaset.
         while retryCount >= 0:
             try:
@@ -175,7 +175,7 @@ def writeRSEToMongoDB(self, collection, fullRSEToDB=False, overwrite=False, retr
                 else:
                     result = collection.update_one(self.mongoFilter, updateOps, upsert=True)
                 break
-            except NotMasterError:
+            except NotPrimaryError:
                 if retryCount:
                     # msg = "Failed write operation to MongoDB. %s retries left."
                     # self.logger.warning(msg, retryCount)
@@ -198,7 +198,7 @@ def resetRSE(self, collection, keepTimestamps=False, keepCounters=False, retryCo
         document to MongoDB
         :param keepTimestamps: Bool flag to keep the timestamps
         :param keepCounters:   Bool flag to keep the counters
-        :param retryCount:     The number of retries for the write operation if failed due to `NotMasterError.
+        :param retryCount:     The number of retries for the write operation if failed due to `NotPrimaryError.
         :return:               True if operation succeeded.
         """
         resetDoc = self.defaultDoc()