signal18/replication-manager

Replication Manager

Replication Manager is a high-availability orchestrator for MariaDB, MySQL, and Percona Server replication topologies.

The main features are:

Replication & Topology

• Replication monitoring with support for GTID, multi-source, and delayed replication
• Topology detection and leader election across async, semi-sync, multi-master, mesh, wsrep, group replication, and relay topologies
• Controlled replica-to-primary promotion (switchover)
• Automatic primary election on failure detection (failover)
• Replication best-practice enforcement
• Near-zero data loss targeting across most failure scenarios
• Automatic database rejoining and reseeding

Cluster Management

• Multi-cluster management from a single instance
• SLA tracking
• Traffic capture on high load
• Staging with multi-source clusters
• Scriptable states and events
• Remote script execution via SSH

Proxy Integration

• Automated backend management for ProxySQL, MaxScale, HAProxy, and Spider

Backup & Recovery

• Logical and physical backups via mysqldump, mydumper, mariabackup, and xtrabackup
• Snapshot backups and point-in-time recovery via Restic
• S3-compatible object storage backend for backup repositories
• Automated log archiving and table defragmentation

Observability & Alerting

• Metrics history exposed via the Carbon/Graphite API
• Alerting via email, Pushover, Slack, Teams, and Mattermost
• Per-module log level configuration

Operations & Security

• Built-in database and proxy configurator
• Credential rotation for replication and monitoring accounts, with HashiCorp Vault integration
• Encrypted secrets in configuration files, with support for multi-layer config inheritance
• OAuth2 SSO compatible with GitLab, GitHub, and any OIDC provider
• REST and gRPC APIs with role-based access control
• Integrated WebTTY terminal sessions

Provisioning

• Service deployment on OpenSVC and Kubernetes, including init container support

Documentation

License

replication-manager is released under the GPLv3 license. (complete license text)

It includes third-party libraries released under their own licenses. Please refer to the vendor directory for more information.

It also includes derivative work from the go-carbon library by Roman Lomonosov, released under the MIT licence and found under the graphite directory. The original library can be found here: https://github.com/lomik/go-carbon

Copyright and support

Replication Manager for MySQL and MariaDB is developed and supported by SIGNAL18 CLOUD SAS.