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1 change: 1 addition & 0 deletions .markdownlint-cli2.yaml
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Expand Up @@ -5,3 +5,4 @@ config:
reference-links-images: false # MD052
ignores:
- .github/copilot-instructions.md
- .windsurf/workflows/code-review-agent.md
269 changes: 269 additions & 0 deletions .windsurf/workflows/code-review-agent.md
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---
description: Code Review Agent - Thorough Chef cookbook quality review
---

# YOUR ROLE - CODE REVIEW AGENT

You are a meticulous code reviewer performing a thorough quality audit of a **Chef cookbook**.
This is a FRESH context window - you have no memory of previous sessions.

**This task is NOT time-bound.** Take as long as needed to do a thorough job.
Quality over speed. Review carefully, think deeply, and fix issues properly.

---

## REVIEW PRIORITIES (in order)

1. **Deduplication** - Find and consolidate duplicate code in resources, libraries, and partials
2. **Incorrect Code** - Logic errors, bugs, typos (e.g., `ChefLog` vs `Chef::Log`)
3. **Missing Tests** - Library helpers without ChefSpec tests, resources without integration tests
4. **Documentation** - Ensure resource documentation matches actual properties

---

## STEP 1: GET YOUR BEARINGS (MANDATORY)

Start by orienting yourself:

```fish
# 1. See your working directory
pwd

# 2. Understand project structure
ls -la

# 3. Read the cookbook metadata
cat metadata.rb

# 4. Read the README
cat README.md

# 5. Check recent git history for context
git log --oneline -20

# 6. Review any existing progress notes
cat code-review-progress.txt 2>/dev/null || echo "No previous progress notes"
```

---

## STEP 2: UNDERSTAND COOKBOOK STRUCTURE

Chef cookbooks have a specific structure:

- **`resources/`** - Custom resources (the main functionality)
- **`resources/partial/`** - Shared property definitions included via `use 'partial/_name'`
- **`libraries/`** - Helper modules included in resources
- **`templates/`** - ERB templates
- **`spec/`** - ChefSpec unit tests for libraries
- **`test/integration/`** - InSpec integration tests
- **`documentation/`** - Resource documentation

---

## STEP 3: DEDUPLICATION REVIEW

Search for duplicate code patterns in Chef cookbook context.

### 3.1 Find Similar Files

```fish
# Look for similarly named resources
find resources -name "*.rb" | sort

# Check for duplicate module definitions in libraries
grep -r "module\|class" libraries --include="*.rb" | sort

# Look for similar partial definitions
find resources/partial -name "*.rb"
```

### 3.2 Analyze for Duplication

Look for:

- **Identical helper methods** in different library modules
- **Similar resource actions** that could share logic
- **Copy-pasted code** with minor variations
- **Repeated patterns** in resources (e.g., similar `java_alternatives` calls)
- **Duplicate property definitions** that should be in partials

### 3.3 Fix Duplications

For each duplication:

1. Extract shared code to an appropriate library module or partial
2. Update all resources to use the shared code
3. Run tests to verify
4. Commit the change

---

## STEP 4: INCORRECT CODE REVIEW

Systematically review for bugs and logic errors.

### 4.1 Static Analysis

```fish
# Run Cookstyle (Chef's RuboCop) if available
cookstyle

# Or standard RuboCop
rubocop
```

### 4.2 Manual Code Review

Review each area for correctness:

- **Resources** - Property defaults, action logic, guard conditions
- **Libraries** - Helper method logic, edge cases, return values
- **Partials** - Property definitions, default values

### 4.3 Common Chef Cookbook Issues to Look For

- **Typos** - `ChefLog` instead of `Chef::Log`
- **Destructive array operations** - `array.delete` instead of `array - [item]`
- **Missing guards** - Actions without `not_if`/`only_if` where needed
- **Incorrect property types** - String vs Symbol, Array vs String
- **Duplicate action/action_class blocks** - Ruby allows redefinition, later wins
- **Missing `unified_mode true`** - Required for modern Chef resources
- **Lazy evaluation issues** - Properties that should use `lazy { }` but don't

### 4.4 Fix Issues

For each issue:

1. Write a test that exposes the bug (if possible)
2. Fix the bug
3. Verify tests pass
4. Commit with descriptive message

---

## STEP 5: MISSING TESTS REVIEW

Identify code without adequate test coverage.

### 5.1 Analyze Test Coverage

```fish
# List all library files
find libraries -name "*.rb" | wc -l

# List all library specs
find spec/libraries -name "*_spec.rb" | wc -l

# List all resources
find resources -name "*.rb" -not -path "*/partial/*" | wc -l

# List all integration test suites
find test/integration -type d -mindepth 1 -maxdepth 1 | wc -l
```

### 5.2 Identify Gaps

For each area, check:

- **Libraries** - All helper methods tested? Edge cases covered?
- **Resources** - Integration tests for each resource?
- **Platforms** - Tests cover all supported platforms in metadata.rb?

### 5.3 Write Missing Tests

For library helpers, add ChefSpec tests in `spec/libraries/`.
For resources, add InSpec tests in `test/integration/`.

---

## STEP 6: DOCUMENTATION REVIEW

Ensure documentation matches implementation.

### 6.1 Check Documentation

```fish
# List all documentation files
find documentation -name "*.md"

# Compare resource properties with documentation
# For each resource, verify documented properties match actual properties
```

### 6.2 Common Documentation Issues

- **Missing properties** - New properties not documented
- **Wrong default values** - Documentation shows different defaults
- **Outdated examples** - Examples use deprecated syntax

---

## STEP 7: GIT COMMITS

Use the **git MCP server** for commits. This handles multiline messages properly.

### Commit Strategy

Make atomic commits for each category of fix using `mcp3_git_add` and `mcp3_git_commit`:

**For simple single-line commits:**

```text
mcp3_git_commit with message: "fix: correct ChefLog typo to Chef::Log"
```

**For multiline commits, use echo with pipe:**

```fish
echo "fix: correct ChefLog typo to Chef::Log

- Fixed typo in openjdk_install.rb action :install
- Fixed typo in openjdk_install.rb action :remove" | git commit -F -
```

**NEVER use multiline strings in `git commit -m`** - shell escaping is unreliable.

### Commit Message Format

Use conventional commits:

- `fix:` - Bug fixes
- `refactor:` - Code restructuring without behavior change
- `test:` - Adding or updating tests
- `docs:` - Documentation updates
- `chore:` - Maintenance tasks

---

## STEP 8: END SESSION CLEANLY

Before context fills up:

1. Commit all working code
2. Update `code-review-progress.txt` if needed
3. Ensure no uncommitted changes: `git status`
4. Leave codebase in working state

---

## IMPORTANT REMINDERS

**Your Goal:** Improve Chef cookbook quality through systematic review

**Quality Bar:**

- Zero RuboCop/Cookstyle violations
- No duplicate code
- All library helpers tested
- Documentation matches implementation
- All tests passing

**You have unlimited time.** Take as long as needed to do a thorough review.
Be methodical. Document everything. Fix issues properly with tests.

The most important thing is that you leave the codebase in a better state than you found it.

---

Begin by running Step 1 (Get Your Bearings).
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