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Automation Agent Changelog

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Announcement

The Monitoring and Backup Agent have been merged into the Automation Agent, which will now be known as the MongoDB Agent. Learn more about this change.

Released 2019-07-23

  • Further work to support the upcoming release of MongoDB 4.2

Released 2019-05-02

  • Fix: Properly handle nested directories when downloading tar files.

Released 2019-04-24

  • Update to Go driver 1.0.1.

Released 2019-04-21

  • Additional work for MongoDB connection management.

Released 2019-04-12

  • Stabilization work for MongoDB connection management.

Released 2019-04-09

  • Fix: Use the estimated count instead of the full document count when counting documents in the oplog. This fixes a severe performance regression.

Released 2019-04-08

  • Converted to use the new MongoDB Go driver.

Released 2019-03-05

  • Various improvements to logging.

Released 2019-02-13

  • No longer runs the metrics collection during restores, resulting in cleaner log files.

  • Improved error handling during restores for better resumability.

Released 2019-01-23

  • Fix rotation of log files when MongoDB log rotation is enabled and the maximum number of uncompressed log files is set to two.

Released 2019-01-03

  • Built with Go 1.10.

  • Significant reduction in memory footprint when managing sharded clusters.

  • Fix: Allow successful conversion of MongoDB storageEngine for a standalone with TLS/SSL enabled.

Released 2018-12-05

  • Increase timeout for log collection jobs

Released 2018-11-13

  • Improved handling of state gathering in the first moments of MongoDB start-up.

Released 2018-10-24

  • Optimized ordering for sharded zone management.

  • Optimized state gathering in clusters with high latency between members.

Released 2018-10-09

Fix: Restores for MongoDB 4.0 fail if snapshot download for all nodes does not finish at approximately same time

Released 2018-10-04

  • Improved performance for state changes in large clusters with high latency between cluster members

  • Removed support for MongoDB 2.6 and 3.0.

Released 2018-09-11

  • Added support for Ubuntu 18.04

  • Fix: When determining desired balancer settings, perform a merge between new settings and old settings.

Released 2018-08-30

  • Fix issue performing point in time restores for MongoDB 4.0

Released 2018-08-21

  • Critical Fix: During a rolling change of a storage-affecting field (for example the storage engine), data loss could occur if an external process caused replica set nodes to restart unexpectedly.

  • Automation Agent now built using Go 1.9.

  • Support for Ubuntu 18.

  • Allow simultaneous disabling of multiple config servers.

  • Don't remove binaries that are currently in use by unmanaged processes.

  • Performance improvement for clusters with lots of sharding tags.

  • Only block rolling updates if there are not enough replica set members without replication lag to do majority writes.

  • Handle rolling index build on non-existent collections.

Released 2018-08-01

  • Performance improvements.

  • Improve determination of when a mongod process is running.

  • Fix issue in which a replica set configuration change fails to complete if the primary is removed from the replica set.

  • Enforce a pause between nodes when doing a rolling oplog size.

  • Prevent issues completing an oplog resize if the mongod is very slow to start-up.

Released 2018-07-16

  • Allow recreation of previously deleted sharded collections.

  • Support additional configuration options for the MongoDB Connector for BI.

  • If, when downloading a file, no bytes have been retrieved in the stream in a certain amount of time, the download fails.

Released: 2018-06-25

  • Fix issue with automated restores for Atlas Snapshot Backup and MongoDB 3.6.

  • Support automated restores for Atlas Snapshot Backup and MongoDB 4.0.

  • Fix issue with automated restores to a new Cloud Manager cluster that does not have MongoDB authentication enabled.

Released 2018-06-19

  • Further support for the upcoming release of MongoDB 4.0.

Released 2018-06-04

  • Fix deadlock in underlying Go driver.

Released 2018-05-31

  • Support for upcoming MongoDB 4.0 release.

Released 2018-05-09

  • Improved retry behavior during an automated restore.

  • Incremental work to support MongoDB 4.0.

Released 2018-05-03

  • Allow option to rotate MongoDB audit logs along with MongoDB logs.

Released 2018-04-18

  • Fix: After performing an automated restore of a sharded cluster, re-enable the balancer.

  • Fix: Improved handling for shutdown of mongosqld processes.

  • When managing sharded collections, attempt to shard all desired collections before returning any error.

Released 2018-03-28

  • Fix corrupted build for RHEL6.

Released 2018-03-27

  • When performing maintenance on a shard member (for example, oplog resizing) start the node * with --recoverShardingState false

  • Within a replica set, allow the SSL mode to be modified for each node individually.

  • Add support for security.ldap.validateLDAPServerConfig configuration option for MongoDB 3.4.14+ and MongoDB 3.6.3+.

Released 2018-03-14

  • Support for new security.ldap.validateLDAPServerConfig configuration parameter

Released 2018-03-12

  • Fix: Disable MongoDB's TTL monitor thread while applying oplogs during a point in time restore.

Released 2018-03-06

  • Allow Automation Agent user password to be changed.

  • Always download needed versions of MongoDB, before performing a bounce restart of a cluster.

Released 2018-03-01

  • Support for upcoming enhancements to Data Explorer.

Released 2018-02-22

  • Support for MongoDB Connector for Business Intelligence 2.4.0

Released 2018-02-13

  • Support for upcoming improvements to real time performance monitoring

Released 2018-02-10

  • When performing an automated restore, remove all elements in the config.mongos collection that are included in the restore files.

Released 2018-01-31

  • When bringing up a new sharded cluster, ensure that the CSRS replica set is fully up before modifying balancer settings.

Released 2018-01-30

  • Support sharding metadata changes on replica sets.

Released 2018-01-23

  • Support MongoDB authentication for managed BI Connectors, without also requiring TLS/SSL.

Released 2018-01-08

  • Add support for sampleRefreshIntervalSecs and sampleSize when configuring a BI Connector.

  • Support for MongoDB 3.6 User Authentication Restrictions.

Released 2017-12-07

Automation Agent on Windows should manage the firewall for the BI Connector.

Released 2017-12-06

Fix race condition when upgrading MongoDB version and feature compatibility version simultaneously.

Released 2017-11-28

Fix: Restore from a MongoDB 3.6 sharded cluster without authorization enabled, to a sharded cluster with authorization enabled.

Released 2017-11-14

Support for upcoming release of MongoDB 3.6.

Released 2017-11-09

  • Support automated restore for MongoDB 3.6.

  • Fix: When slow query log tailing is enabled for Performance Advisor, start at the end of the current file.

Released 2017-11-01

Continued work for support for upcoming release of MongoDB 3.6.

Released 2017-10-26

Support for upcoming release of MongoDB 3.6.

Released 2017-10-13

Fix: Issue with spurious extra line in the Windows configuration file.

Released 2017-10-10

Fix: Issue parsing keyfiles that contain spaces.

Released 2017-10-05

Fix: When Automation creates a temporary Windows service in order to perform maintenance operations on a mongod, remove the service when the maintenance is completed.

Released 2017-09-13

  • Support for advanced replica set configuration fields.

  • Support for cross-Project PIT restores.

Released 2017-08-25

  • Allow oplogs for a point in time restore to be applied client-side.

  • Fix: Do not try to set explicit permissions for the Monitoring Agent and Backup Agent config files on Windows.

Released 2017-08-01

  • Support for optimized point in time restores.

Released 2017-07-11

  • When performing a resync, leave the diagnostic.data directory intact.

Released 2017-06-15

  • During a restore, update the Automation Agent credentials. This allows restores between Projects that do not share the same Automation Agent credentials.

  • Fix: During a conversion to config server replica sets, use a separate log file for the temporary config server processes.

Released 2017-05-17

  • Automated restores always configure the destination replica set's protocol version to the default protocol version for the MongoDB version.

Released 2017-05-02

  • Fix: Issue managing MongoDB users with no roles.

Released 2017-04-19

  • Final removal of all support for MongoDB 2.4.

Released 2017-04-18

  • Increase response header timeout for HTTP requests.

Released 2017-04-11

  • Fix: Can restore a sharded cluster to a new sharded cluster with different shard names.

  • Fix: Sorted index keys in Data Explorer.

Released 2017-03-29

  • Substantial optimization for state monitoring of sharded clusters. Considerably fewer requests will be made by the Automation Agents to the deployment.

  • Fix: Process shutdown during a restore of a sharded cluster on Windows.

Released 2017-03-08

  • Add support for upcoming data explorer feature.

  • Fix for deployments that use TLS/SSL with a password-protected PEM file.

Released 2017-02-01

  • Fixes bug in shard removal for MongoDB 3.4.

Released 2017-01-23

  • Support for macOS Sierra.

  • Compiled with Go 1.7.4.

Released 2017-01-10

  • Support for upcoming real time performance monitoring feature for MongoDB 3.0.

Released 2017-01-05

  • Support for upcoming real time performance monitoring feature.

  • Fix: Symlink to latest MongoDB version if a previous version was manually deleted from disk.

  • Fix: support of configurations that require both SCRAM-SHA1 and LDAP authentication, with LDAP authorization.

Released 2016-11-23

  • Final support for sharded cluster downgrades in MongoDB 3.4.

  • Adds support for management of Monitoring/Backup Agents on PowerPC-based Linux systems for MongoDB 3.4 or later deployments only.

Released 2016-11-14

  • Better handling of timeouts in a sharded cluster when all config servers are down.

Released 2016-11-07

  • When restoring a replica set, delete data directories for arbiters to prevent protocolVersion mismatches.

Released 2016-11-03

  • Fixed issue wiht upgrading from MongoDB 2.4 to 2.6 while staying on authSchemaVersion 1.

  • Do not create Windows firewall rules for processes that are started on temporary ports where external access is not required.

Released 2016-10-26

  • Fix: Downgrade order for sharded clusters from MongoDB 3.4 to MongoDB 3.2.

  • Support for MongoDB 3.4.0-RC1.

Released 2016-10-25

  • Minor logging changes.

Released 2016-10-11

  • Fix: When performing a rolling operation, do not wait for replication lag to catch-up on delayed secondaries.

Released 2016-09-30

  • More generous time-out for shutting down a mongod process.

Released 2016-09-28

  • Fix: Can verify PEMKey passwords.

Released 2016-09-14

  • Change order of sharded cluster upgrades in prep for upcoming MongoDB 3.4.0. New order is: config servers, shards, mongos.

Released 2016-08-24

  • Support for management of Monitoring/Backup Agents on Power Linux.

  • Fix: systemd Automation Agent packages should not shut down managed processes on agent shutdown.

Released 2016-08-04

  • When performing a rolling operation in a replica set, wait for replication lag to catch-up before moving on to the next node.

  • Fix: ability to enable clusterAuthMode in a sharded cluster.

Released 2016-07-01

  • Supports high resolution monitoring of hardware metrics for Cloud Manager Premium.

  • Fixes a bug in rolling index builds of text indexes.

Released 2016-06-22

  • Now built using Go 1.6.

  • When importing a process that uses a password for the PEMKeyFile, import it without making the user re-enter it.

  • Significant performance improves for state gathering, especially for larger sharded clusters.

  • Add a configurable timeout.

  • Always attempt to step down replica set member nodes before shutting down.

Released 2016-06-03

  • Adjust timeout when creating oplog collections to 12 hours.

  • Ensure that if first SCCC config server cannot be started, second and third config servers are restarted.

  • Optimization - when a mongod process is down, query the deployment only for relevant information.

Released 2016-05-16

  • Better logging for TLS/SSL connection failures.

  • Use absolute paths for determining which Monitoring and Backup Agents are managed.

  • When restoring a backup, ensure that arbiter nodes never download data.

Released 2016-04-22

  • Always send hardware metrics in association with the FQDN of the server, rather than with any defined aliases.

Released 2016-04-20

  • Send enhanced status messages to the server.

  • Minor changes to hardware statistics the Auomation Agents gather.

Released 2016-03-29

  • Fixed memory leak when querying for state on arbiters.

Released 2016-03-22

  • Fix issue where config server replica set conversion is unable to complete.

  • Allow users to specify a specific temporary port for use during conversion to config server replica sets.

Released 2016-03-09

  • Support TLS/SSL downgrades, i.e. changes from stricter to looser TLS/SSL settings (required -> preferred)

Released 2016-02-18

  • Uses systemD management on RHEL7 and Ubuntu 16.04.

  • Includes support for no-downtime conversions to config server replica sets, for MongoDB 3.2.4.

  • Fix: Automation Agent will not fail validation for auth schema versions for arbiters.

  • Fix: More accurate computation of current size of oplog.

Released 2016-01-19

  • Added optimization to prioritize replica set reconfiguration actions over index builds.

  • Improved index building mechanism: index builds are no longer performed in a rolling fashion for 2-node replica sets, but instead are build in the background.

  • Added optimization to not compare unsupported index options when determining whether or not an index already exists.

Released 2016-01-07

  • Fixed issue with importing existing deployments that include arbiters running with authentication.

  • Fixed issue with rolling storage engine conversion for replica sets to ensure a super majority is always up.

  • Fixed issue with creating custom roles on sharded clusters running MongoDB 3.2 with config server replica sets.

  • Added support for restores for sharded clusters running MongoDB 3.2 with config server replica sets.

  • Added support for floating point replica set priorities.

  • General fixes to improve stability for restores.

Released 2015-12-07

  • Fix race condition during replica set reconfiguration at the completion of an automated restore.

Released 2015-12-03

  • Fix race condition in which a restored replica set member is left out of the replica set at the end of the restore process.

Released 2015-11-30

  • Fix: Do not run mongos --upgrade when upgrading to the MongoDB 3.2 series, it is not necessary.

Released 2015-11-24

  • Fix: When building a rolling index on a single-node replica set, simply create the index with background:true

  • Fix: If a MongoDB version is used, removed and then used again, ensure that it is re-downloaded.

Released 2015-11-11

  • Fix: After starting a new Monitoring or Backup Agent, ensure that the process is running achieving Goal State.

Released 2015-11-09

  • Fix: Do not overwrite the log file for the Monitoring and Backup Agents when starting a new instance.

Released 2015-11-02

  • Support for rolling conversion to X.509 member auth.

  • Fixes for rolling index builds.

Released 2015-10-15

  • Fix: Keyfile paths for mixed Windows/OS clusters handled properly.

Released 2015-10-08

  • Support for performing a restore via Automation Agents.

  • Support for rolling index builds.

  • Send error codes in log messages.

  • Support for configuring WiredTiger encrypted storage for MongoDB 3.2.0.

Released 2015-09-16

  • Basic support for MongoDB 3.1.7 including the ability to build a 3.1.7 cluster with a CSRS replica set, handling of new enterprise version format, ability to configure WT encrypted storage with local keys.

  • Shut down the Automation Agent if the automatic update fails 100 times in a row.

  • Fix: Failed Automation Agent automatic updates can cause surge in configuration calls from the Automation Agent.

Released 2015-09-11

  • Fixes glibc incompatibility issue on RHEL5 and RHEL6.

Released 2015-09-03

  • Fixes issue in which the Automation Agent crashes when attempting to load an invalid certificate bundle.

Released 2015-08-31

  • Improved handling of sharded clusters with members running on both Linux and Windows-based operating systems.

  • Fix: Delays during the conversion to TLS/SSL remediated.

Released 2015-08-10

  • Added functionality to retrieve and send hardware stats to Cloud Manager servers.

Released 2015-07-22

  • Fix: Rare issue encountered in automatic upgrade process, which would prevent the upgrade process from completing successfully.

Released 2015-07-15

Released 2015-06-24

  • Fix: Rolling upgrades when one or more secondaries has significant replication lag to ensure that a secondary has always fully caught up before upgrading the primary.

  • Fix: Creation of SCRAM-SHA-1 users imported from one deployment item (standalone, replica set, or sharded cluster) and then applied to a new sharded cluster.

  • Added a small sleep time during the auto-upgrade process.

Released 2015-06-17

  • Fix: Users can be deleted from the $external database.

  • Added fix that prevents the Automation, Monitoring and Backup agents from sharing a Kerberos credentials cache.

  • Reverted to an earlier version of a third-party library as the newer edition prevented JSON parsing from working correctly on Windows.

Released 2015-06-12

  • Added fix for MMS-2612, where users imported from a MongoDB 3.0 deployment running with authSchemaVersion=5 could not be applied to other deployment items.

Released 2015-05-29

  • Fixed issue with importing existing deployments using TLS/SSL but not MONGODB-X509 authentication.

Released 2015-05-22

  • Fixed issue determining the Kerberos keytab for a process on Ubuntu.

Released 2015-05-21

  • Fixed issue with configuring the Windows firewall when the Windows firewall was disabled.

Released 2015-05-20

  • Enabled storage engine conversions for single-node replica sets and standalones.

  • Added optimization where Cloud Manager assumes success when starting a forked MongoDB process, rather than waiting for EOF.

Released 2015-05-13

  • Added functionality to delete MongoDB binaries on disk that are not used by an managed process.

  • Fix: Management of the Monitoring and Backup Agents by the Automation Agent on Windows.

  • Added up-front validation to ensure that MongoDB processes are running as the same user as the Automation Agent.

Released 2015-05-08

  • Added fix for MMS-2489: fixed issue deriving the default port for config servers started with the --configsvr option but with no port specified.

Released 2015-05-01

  • Added support for importing an existing deployment to automation when the deployment contains authenticated arbiters on which the hostname does not resolve locally to the loopback interface.

Released 2015-04-30

  • Fixed memory leak issue with the Automation Agent.

Released 2015-04-21

  • Added ability to change the storage engine for replica sets with more than one data node.

  • Added a RHEL7-specific Automation Agent build. The generic builds will not work with RHEL7.

    If you run an earlier Automation Agent (prior to 1.9.0), the agent will fail to auto-upgrade on RHEL7: you will need to do the upgrade manually.

  • Added more detailed logging of when MongoDB, Monitoring Agent, or Backup Agent log rotation.

  • Added support for new distribution-specific MongoDB builds.

  • The Kerberos credentials cache now uses a fixed name.

  • When deleting directories, Cloud Manager no longer deletes symlinks.

Released 2015-04-06

  • Fix: Replica set tags stay set when reconfiguring an unrelated replica set.

Released 2015-04-01

  • Added ability to upgrade authSchemaVersion when auth is not enabled.

  • Added support to import an existing mongos running with a config file.

  • Fixed issue where the Automation Agent interfered with manually-created replica set tags.

Released 2015-03-27

  • Ensures that the Automation Agent fails gracefully in the case where an expected user does not exist during an initial import.

Released: 2015-03-16

  • Improves algorithm for balancing mongod processes across cores.

  • Fixed issue with configuring oplog sizes greater than 1 TB.

  • Improvements that make auto-upgrades more reliable.

Released 2015-02-23

  • Ability to import an existing deployment into Automation, which allows you to use Automation to manage the deployment. See MongoDB Agent.

  • The Deployment tab now displays all deployment information, for both servers and processes, on one page, with icons for selecting view options.

Released 2014-11-12

  • Support for MongoDB 2.8.

  • Fixed issues with upgrades for 2.6-series minor version with auth enabled.

Released 2014-05-08

Initial release for Automation beta program.

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