Release notes v1.4.0

Patch Release: Mar 29^th, 2017

• Build:
  • clustercontrol-1.4.0-2912
  • clustercontrol-controller-1.4.0-1798
• UI:
  • Create/Import NDB Cluster changes (remove the 15 node limitation).
• Controller:
  • Create NDB Cluster failed due to a bug in RAM detection.
  • Replication: Roles were not updated correctly when autorecovery was disabled.

Patch Release: Mar 13^th, 2017

• Build:
  • clustercontrol-1.4.0-2812
  • clustercontrol-controller-1.4.0-1769
• UI:
  • Fix for Copy Log to work again.
  • Fix broken Galera SSL encryption indicator.
  • Added support to change default ProxySQL listening port.
  • Further hostname fixes for ProxySQL.
  • License handling fix with notifications.
• Controller:
  • Added support to change default ProxySQL listening port.
  • Syslog logging fix (command line param --syslog) by adding ENABLE_SYSLOG=1 into /etc/default/cmon file.

Patch Release: Feb 28^th, 2017

• Build:
  • clustercontrol-1.4.0-2743
  • clustercontrol-controller-1748
• UI:
  • Rebuild Replication Slave did not present available masters.
  • ProxySQL deployment sends IP instead of hostnames when required.
  • Further improvements to handle RPC API token mismatches.
• Controller:
  • Workaround to handle IP addresses instead of hostnames for ProxySQL deployments.
  • Improvements to avoid create zombie processes.
  • Remove false positive SSH alarms when using a hostname in the cmon.cnf file.
  • Sending backup failure mails as critical notification.

Patch Release: Feb 15^th, 2017

• Build:
  • clustercontrol-1.4.0-2709
  • clustercontrol-controller-1725
• UI:
  • The Cluster list is no longer disappearing when the CMON process is either restarted, stopped or down.
  • Rebuild slave/change master dialog correctly populates the nodes dropdown.
  • Selecting a node action could at time cause a wrong dialog to show up.
  • Improvements to RPC API Token mismatch error messages.
  • Check for updates in the Settings page is deprecated/removed.
• Controller:
  • Galera: wsrep_notify_cmd pointing to the script wsrep_notify_cc (discontinued) was invalidated wrongly.
  • Galera: Fixes in configuration to support 2.4.5 of Percona Xtrabackup and MariaDb Cluster 10.1, due to this bug https://bugs.launchpad.net/percona-xtrabackup/+bug/1647340.
  • Avoid samping from a failed node
  • Deployment: removed --purge from apt-get remove, to handle /var/lib/mysql as a mountpoint.

Patch Release: Feb 8^th, 2017

• Build:
  • clustercontrol-1.4.0-2659
• UI:
  • Correct filtering with config parameters in the Configuration Management.
  • Read-Only switcher removed from the Overview Page. You can now only change the read-only status from the Nodes page’s action menu.
  • Fix issue with the Nodes page’s action menu where the wrong action item was selected and could accidentally be performed instead.
  • Improvements to the cluster and node status updates cycles.
  • New <webdir>/clustercontrol/bootstrap.php variable to control refresh intervals: define('STATUS_REFRESH_RATE', 10000);. Default is now 10s from before 30s.

Patch Release: Feb 5^th, 2017

• Build:
  • custercontrol-controller-1.4.0-1703
• Controller:.
  • Permanently disabled the ‘system_check.js’ script as it was causing problems for some users.
  • Automatic log rotate of /var/log/wtmp when it reaches 10MB in size. 10 files are stored for history, and runs at 02:00am.
  • Replication: A backup stored on the controller and restored on another host than the backup was created from would restore the backup on the wrong host (created host).
  • Replication: FLUSH LOGS after failover to update SHOW SLAVE HOSTS.
  • Galera: Percona XtraDb Cluster 5.5 for Debian/Ubuntu failed to install.
  • Clear Alarms: specify send_clear_alarm=1 in /etc/cmon.d/cmon_X.cnf and restart cmon to receive email notification when a Cluster Failure, SSH failure, MySQL Disconnected, Node/Cluster Failed Recovery, and Cluster Split alarms have been resolved. send_clear_cluster_failure is an alias for this option.
  • OS detection: Failed to detect Debian version if lsb_release was not installed.
  • Aborted jobs now have the correct status.

Patch Release: Jan 24^th, 2017

• Build:
  • clustercontrol-1.4.0-2617
• UI
  • Fix for the wrong scheduled time shown in Operational Reports.
  • Fix for inconsistent MongoDB menus.
  • Fix for confusing Change Organizations option.
  • You can more easily create a SuperAdmin/Root user to manage all your organizations/teams.

Patch Release: Jan 20^th, 2017

• Build:
  • clustercontrol-1.4.0-2601
  • clustercontrol-controller-1.4.0-1675
• UI
  • Manage →Configurations: Wrong args sent to change_config_param.js script
• Controller
  • Fix of crashing bug during partial restore.
  • Graph missing from Operational Report.
  • Replication: Stop Slave (from UI) auto restarted the slave.
  • Adding a MySQL Node and having HAProxy caused a problem creating the s9s mysqlchk user.

Patch Release: Jan 13^th, 2017

• Build:
  • clustercontrol-1.4.0-2585
• UI
  • Fix for an issue with having clusters from multiple controllers in one UI.

Patch Release: Jan 11^th, 2017

• Build:
  • clustercontrol-controller-1.4.0-1651
• Controller
  • Migration of backups: better error messages and corrections if backup files do not exist.
  • Sudo: corrects an issue where the sudo configuration (in case of using sudo with password) would overwrite the sudo settings.
  • Backup: an overlapping backup schedule will fail to execute and the user is prompted to correct the backup schedule.

Patch Release: Jan 3^rd, 2017

• Build:
  • clustercontrol-1.4.0-2542
  • clustercontrol-controller-1.4.0-1641
• Controller
  • New advisor: s9s/mysql/galera/check_gra_log_files.js monitors the growth of GRA log files.
  • ProxySQL failed to install on Centos/RHEL7 when mysql client is missing.
  • SMTP/TLS bug improvements for email notifications.
  • Backup Retention: Backups matching the retention period as not removed.
  • Restore of Partial Backup (xtrabackup) shutdown the DB nodes, but it is not necessary.
  • Stop Garbd failed on Centos/RHEL7 .
• UI
  • Fix in the “enable/disable node/cluster recovery” to show a confirmation dialog when changing settings.
  • Small fix in query monitoring dialog.

Patch Release: Dec 22^nd, 2016

• Build:
  • clustercontrol-1.4.0-2527
  • clustercontrol-controller-1.4.0-1630
• Controller
  • New Advisor (Top Queries) and fixes.
  • Updated MySQL Group Replication (GA) to install from Oracle default MySQL repositories instead of MySQL Labs releases.
  • Improvements to support Galera 3.19.
  • Maintenance mode related fix for deployment jobs.
  • ProxySQL: additional deployment option (implicit transactions).
  • If vendor is not set in the cluster’s /etc/cmon.d/cmon_X.cnf file (X is the cluster id), then cmon will attempt to auto-detect the vendor. For MySQL based setups, please ensure the correct vendor is set to one of the following: percona, oracle, codership, mariadb. E.g vendor=mariadb, if you are using a mariadb based setup.
• UI
  • Query sampling time is no longer needed/used (Query Monitor settings).
  • Added option for Implicit Transactions (ProxySQL).
  • Text clarification when saving an existing DB user twice.
  • Fix for correctly saving mail server settings.
  • Fix for inconsistent password styles.

Initial Release: Dec 12^th, 2016

• Build:
  • clustercontrol-1.4.0-2491
  • clustercontrol-cmonapi-1.4.0-247
  • clustercontrol-nodejs-1.4.0-82
  • clustercontrol-controller-1.4.0-1614
• ProxySQL
  • Deploy ProxySQL on MySQL Replication clusters (support for additional database types coming).
  • Monitor ProxySQL performance (v1).
• Experimental support for Oracle MySQL Group Replication
  • Deploy Group Replication Clusters.
• HAProxy
  • Support Read-Write split configuration at deployment for MySQL Replication clusters.
• MySQL Replication
  • Enhanced multi-master deployment.
  • Flexible replication-topology management.
  • Replication error handling (Errant transactions).
  • Automated failover.
• MongoDB
  • Convert a ReplicaSet cluster to a sharded cluster.
  • Add or Remove shards from a sharded cluster.
  • Add Mongos/Routers to a sharded cluster.
  • Step down or freeze a node.
• New Advisors
  • Backup, Query Monitor, and Advisors.
• UI
  • A re-designed streamlined view into your scheduled and completed backups.
  • A re-designed Query Monitor with query execution plan output (explain) for MySQL.
  • A re-designed Advisors page that makes it easier to see what needs to be acted upon.
• Misc
  • Support for Percona XtraDB Cluster 5.7.
  • New Operational Report generating available software and security packages to upgrade.
  • New header with navigation breadcrumbs.
  • Activity Viewer showing Cluster Logs/Events. See more fine-grained levels of logs and events generated and captured by ClusterControl.
  • Support for maintenance mode. Put individual nodes into maintenance mode which prevents ClusterControl to raise alarms and notifications during the maintenance period.
  • Upload/Download backups to AWS S3 has been temporarily removed.