release-0.4.0

New features:

• Full support for Service spec in templates (service template)
• Configurable service naming convention
• Automatic PV removal when shard or installation is removed
• Generated macros are now standard {cluster}, {shard}, {replica} ones
• Additional memory and disk usage metrics are exported

release-0.3.0

New features:

• Pod templates implement standard spec now -- that adds affinity, antiaffinity and other features.
• Human readable name for pods/ss/services
• Labels for all managed for k8s objects
• Operator version labels
• Operator configuration in ConfigMaps
• ClickHouseInstallation object status

Improvements:

• Port specification in Zookeeper is optional now
• 'clusters' and 'spec' are optional in order to start one-node clusters
• Cluster layout is deprecated

Documentation improvements:

• Troubleshooting broken Pod example. Maintenance mode
• Local HostPath storage example
• Multi-zone deployment example

**Note: the release is backward incompatible with 0.2.3. **

release-0.2.3

Improvements:

• Drop replicated tables in case of replica removal
• Autofill mandatory user configuration fields (default profile and quota)
• More examples for ZooKeeper configuration

release-0.2.2

Improvements:

• Rollback in case of configuration errors of different kinds
• Improved documentation
• Added Grafana dashboard example

Bug fixes:

• Fixed a bug with 'password_sha256_hex' not being properly handled

release-0.2.1

New features:

• Support for multi-value configuration settings, see examples: https://github.com/Altinity/clickhouse-operator/blob/master/docs/examples/03-settings-01.yaml
• Handle pod restarts properly (flush DNS)

Improvements:

• Simplified persistent volumes creation. Trivial example: https://github.com/Altinity/clickhouse-operator/blob/master/docs/examples/02-standard-layout-01-1shard-1repl-simple-persistent-volume.yaml
• Cleaner logging
• Schema creation logic now handles Views and Materialized views correctly

release-0.2.0-beta

New features:

• Automatic schema creation on cluster scaling
• Automatic 1-N (all-replicated) and N-1 (all-sharded) layouts
• Operator configuration

Numerous documentation improvements.

release-0.1.9beta

New features:

• Handling Zookeeper configuration changes
• Rolling upgrades of ClickHouse

release-0.1.8beta

New features:

• ClickHouse configuration updates (users, profiles and so on)
• Adding shards/replicas with a spec change
• Container readiness probe

Bug fixes:

• Fixed incorrect mapping of configuration files

release-0.1.7beta

New features:

• ClickHouse metrics export to Prometheus
• Support for persistent volume claims

General stability improvements and better documentation.

release-0.1.6beta

New features:

• Headless service for ClickHouse installation
• Improved documentation and examples

Bug fixes:

• Fixed broken replication configuration due to regression in 0.1.4beta