An overview of OpenStack Trove, a Database-as-a-Service

1. OpenStack Trove
overview
Makogon Denis
Software Engineer
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2. Current feature list. User
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Provisioning database within instance
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User/Database management
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CRUD operations, access control management
Backup/Restore functionality
Resize instance
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Single mysql or percona instance
volume
flavor
Quota usage status
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3. Current feature list. Management
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Stop/reboot/migrate instance
DB diagnostic (specific for agent
implementation)
Quota management
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instances
volumes
backups
Storage usage statistics by volume
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4. Production usage
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HP (DBaaS by request for beta testing)
Rackspace (Cloud Databases)
eBay (eBay internal cloud)
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5. Community roadmap
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IceHouse
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Generalization of core in order to improve extensibility
Database multi-”engine type”-version support
Adding support of cluster provisioning and management
Extensibility Forming complete architecture (Conductor, Scheduler)
“Amazon parameters-group”-like feature
Automated scheduled tasks
Designate/Ceilometer support
Automated failover
Tempest test coverage
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6. Trove architecture
REST
Trove CLI
RPC
API
Taskmanager
RPC
Database
engine
Guestagent
VM
DB
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7. Trove future architecture
External database client
RPC
Taskmanager
RPC
Trove CLI
API
RPC
REST
RPC
Scheduler
Database
engine
Guestagent
RPC
VM
Conductor
Trove DB
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8. Major gaps for Trove as production grade DBaaS solution
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Provision MySQL HA
○ Percona XtraDB cluster
○ MySQL Replication
Support NoSQL DB clusters
○ MongoDB
○ Cassandra
○ Redis
○ CouchDB
○ CouchBase
In-memory databases
○ MemCached
○ VoltDB
Backup/restore of cluster databases
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9. Conclusion
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Currently supports only single instance MySQL
database
Cluster and HA support is under design
Immature architecture (tightly coupled modules,
direct access to database from DB VM, interfaces
between modules are not defined)
Under active development
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10. Live Demo
Demo script:
1. Instance provisioning.
2. DB & Users CRUD operations.
3. Backuping.
4. Restoring from backup.
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