Add storage export/import and environment variable loading#3
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- Add export_to_json() method to export storages to JSON format - Add import_from_json() method to import storages from JSON - Add load_from_env() to load storages from CFKV_STORAGE_* environment variables - Add merge_from_env() to merge environment-based storages with existing config - Add CLI commands: storage export, storage import, storage load-env - Add comprehensive tests for all new functionality - Add STORAGE_PERSISTENCE.md documentation with use cases and security guidelines - Fix unused variable warning in load_from_env - All tests pass (21 tests in cfkv crate now)
- Add lazy_static mutex to prevent race conditions between tests - Use unique storage names based on process ID to avoid conflicts - Move Mutex import to test module only to avoid unused import warning - All 19 tests in cfkv pass, including parallel execution
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This PR implements Option 4 as discussed - storage configuration persistence through multiple methods:
Features
1. Export/Import Commands
cfkv storage export --file backup.json- Backup all storages and active storage settingcfkv storage import --file backup.json- Restore storages from backup2. Environment Variable Loading
cfkv storage load-env- Load storages from environment variablesCFKV_STORAGE_<NAME>_<FIELD>CFKV_STORAGE_PROD_ACCOUNT_ID,CFKV_STORAGE_PROD_NAMESPACE_ID,CFKV_STORAGE_PROD_API_TOKEN3. Documentation
docs/STORAGE_PERSISTENCE.mdwith:Benefits
✅ Backup & Restore - Never lose your configurations after reinstall
✅ Portability - Transfer configs between machines
✅ CI/CD Integration - Use secrets from your CI/CD platform
✅ Containerization - Easy setup in Docker environments
✅ Multiple Environments - Manage dev, staging, prod configs
Tests
Technical Details
StorageExportstruct for export/import formatexport_to_json(),import_from_json(),load_from_env(),merge_from_env()CFKV_STORAGE_*pattern matching