- Renamed `postgres-server` service to `zabbix-db` for consistency across services.
- Updated references in `docker-compose.yml` and local development guide to reflect the change.
This update enhances compatibility across multiple Zabbix versions and introduces tools for easier local development and testing.
Key improvements and verified version support:
- Verified Zabbix version support: 6.2, 6.4, 7.0, and 7.4.
- Version-specific feature handling:
- `history.push` is enabled only for Zabbix 7.0+; older versions skip it with a clear error or notice.
- Conditional JSON-RPC authentication: the `auth` field is automatically added to the request body for versions older than 6.4.
- Implemented static Zabbix version caching in the datasource to minimize redundant API calls.
- Query optimization refinements:
- Added mapping for implied fields (e.g., `state` -> `items`, `deviceType` -> `tags`).
- Automatically prune unnecessary Zabbix parameters (like `selectItems` or `selectTags`) when not requested.
- Local development environment:
- Added a new `zabbix-local` Docker Compose profile that includes PostgreSQL, Zabbix Server, and Zabbix Web.
- Supports testing different versions by passing the `ZABBIX_VERSION` environment variable (e.g., 6.2, 6.4, 7.0, 7.4).
- Provided a sample environment file at `samples/zabbix-local.env`.
- Documentation and Roadmap:
- Updated README with a comprehensive version compatibility matrix and local environment instructions.
- Created a new guide: `docs/howtos/local_development.md`.
- Updated maintenance guides and added "Local Development Environment" as an achieved milestone in the roadmap.
- Test suite enhancements:
- Improved Smoketest and RegressionTest executors with more reliable resource cleanup and error reporting.
- Made tests version-aware to prevent failures on older Zabbix instances.
BREAKING CHANGE: Dropped Zabbix 6.0 specific workarounds; the minimum supported version is now 6.2.
