Provisioning Repository - Changes

Date: 2026-01-08 Repository: provisioning (standalone, nickel branch) Changes: Nickel IaC migration complete - Legacy KCL and config cleanup

📋 Summary

Complete migration to Nickel-based infrastructure-as-code with consolidated configuration strategy. Legacy KCL schemas, deprecated config files, and redundant documentation removed. New project structure with .cargo/, .github/, and schema-driven configuration system.

📁 Changes by Directory

✅ REMOVED (Legacy KCL Ecosystem)

config/ - Deprecated TOML configs (config.defaults.toml, kms.toml, plugins.toml, etc.)
config/cedar-policies/ - Legacy Cedar policies (moved to Nickel schemas)
config/templates/ - Old Jinja2 templates (replaced by Nickel generator/)
config/installer-examples/ - KCL-based examples
docs/src/ - Legacy documentation (full migration to provisioning/docs/src/)
kcl/ - Complete removal (all workspaces migrated to Nickel)
tools/kcl-packager.nu - KCL packaging system

✅ ADDED (Nickel IaC & New Structure)

.cargo/ - Rust build configuration (clippy settings, rustfmt.toml)
.github/ - GitHub Actions CI/CD workflows
schemas/ - Nickel schema definitions (primary IaC format)
- main.ncl, provider-aws.ncl, provider-local.ncl, provider-upcloud.ncl
- Infrastructure, deployment, services, operations schemas
docs/src/architecture/adr/ - ADR updates for Nickel migration
- adr-010-configuration-format-strategy.md
- adr-011-nickel-migration.md
- adr-012-nushell-nickel-plugin-cli-wrapper.md

📝 UPDATED (Core System)

provisioning/docs/src/ - Comprehensive product documentation
- API reference, architecture, guides, operations, security, testing
- Nickel configuration guide with examples
- Migrated from legacy KCL documentation
core/ - Updated with Nickel integration
- Scripts, plugins, CLI updated for Nickel schema parsing
justfiles/ - Added ci.just for Nickel-aware CI/CD
README.md - Complete restructure for Nickel-first approach
.gitignore - Updated to ignore Nickel build artifacts

📊 Change Statistics

Category	Removed	Added	Modified
Configuration	50+	10+	3
Documentation	150+	200+	40+
Infrastructure	1 (kcl/)	-	-
Plugins	1	-	5+
Build System	5	8+	3
Total	~220 files	~250 files	50+ files

⚠️ Breaking Changes

KCL Sunset: All KCL infrastructure code removed. Migrate workspaces using nickel-kcl-bridge or rewrite directly in Nickel.
Config Format: TOML configuration files moved to schema-driven Nickel system. Legacy config loading deprecated.
Documentation: Old KCL/legacy docs removed. Use provisioning/docs/ for current product documentation.
Plugin System: Updated to Nickel-aware plugin API. Legacy Nushell plugins require recompilation.

🔧 Migration Path

# For existing workspaces:
provisioning workspace migrate --from-kcl <workspace-name>

# For custom configs:
nickel eval --format json <your-config.ncl> | jq '.'

✨ Key Features

Type-Safe: Nickel schemas eliminate silent config errors
Composable: Modular infrastructure definitions with lazy evaluation
Documented: Schema validation built-in, IDE support via LSP
Validated: All imports pre-checked, circular dependencies prevented
Bridge Available: nickel-kcl-bridge for gradual KCL→Nickel migration

📝 Implementation Details

Nickel Schema System

Three-tier architecture: infrastructure, operations, deployment
Lazy evaluation: Efficient resource binding and composition
Record merging: Clean override patterns without duplication
Type validation: LSP-aware with IDE auto-completion
Generator system: Nickel-based dynamic configuration at runtime

Documentation Reorganization

provisioning/docs/src/ (200+ files) - Customer-facing product docs
docs/src/ (20-30 files) - Architecture and development guidelines
.coder/ - Session files and implementation records
Separation of concerns: Product docs isolated from session artifacts

CI/CD Integration

GitHub Actions workflows for Rust, Nickel, Nushell
Automated schema validation pre-commit
Cross-platform testing (Linux, macOS)
Build artifact caching for fast iteration

⚠️ Compatibility Notes

Breaking: KCL workspaces require migration to Nickel. Use schema-aware tooling for validation.

Migration support: nickel-kcl-bridge tool and guides available in provisioning/docs/src/development/.

Legacy configs: Old TOML files no longer loaded. Migrate to Nickel schema format via CLI tool.

Status: Nickel migration complete. System is production-ready. Date: 2026-01-08 Branch: nickel

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