metabuilder/docs/guides/WORKFLOW_SIMULATION_SUMMARY.md

Workflow Simulation & Repair - Summary

Problem Statement

"Simulate github actions workflows and repair"

Issues Found & Fixed

1. ❌ Incorrect Workflow File Paths

Problem: Scripts referenced ci.yml but actual file is at ci/ci.yml

Files Fixed:

• frontends/nextjs/package.json - Updated all act:* script paths
• frontends/nextjs/scripts/run-act.sh - Updated default workflow path
• frontends/nextjs/scripts/diagnose-workflows.sh - Updated CI workflow path
• frontends/nextjs/scripts/test-workflows.sh - Updated all workflow references

Impact: Scripts would fail to find workflow files

2. ⚠️ Security: Unpinned GitHub Action

Problem: dependency-check/Dependency-Check_Action@main was not pinned

Fix: Pinned to specific commit SHA: 1e54355a8b4c8abaa8cc7d0b70aa655a3bb15a6c

File: .github/workflows/quality/quality-metrics.yml

Impact: Reduced security risk from supply chain attacks

3. 🚫 No Validation Without act

Problem: No way to validate workflows without installing act

Solution: Created validate-workflows.py Python script

Features:

• YAML syntax validation
• Workflow structure validation
• Security best practice checks
• Works without act or Docker
• Handles YAML on: keyword quirk

Impact: Can validate workflows in any environment with Python

4. 🚫 No Local Simulation Without Docker

Problem: No way to test workflows without Docker/act

Solution: Created simulate-workflows.sh Bash script

Features:

• Runs actual workflow commands locally
• No Docker required
• Supports both npm and bun
• Can run individual jobs or all jobs
• Mimics GitHub Actions environment

Impact: Fast local testing without heavy dependencies

5. ⚠️ Diagnostic Script Required act

Problem: Diagnostic script would exit if act not installed

Solution: Made diagnostic script work without act

Changes:

• Made act checks non-fatal
• Skip Docker checks if act unavailable
• Always run validation
• Provide helpful tips for all scenarios

Impact: Useful diagnostics even without act

New Tools Created

1. validate-workflows.py

Location: frontends/nextjs/scripts/validate-workflows.py

Purpose: Validate GitHub Actions workflows without dependencies

Usage:

npm run act:validate
# or
python3 scripts/validate-workflows.py

Checks:

• ✅ YAML syntax
• ✅ Required workflow fields
• ✅ Job structure
• ✅ Step structure
• ⚠️ Unpinned actions
• ⚠️ Best practices

2. simulate-workflows.sh

Location: frontends/nextjs/scripts/simulate-workflows.sh

Purpose: Simulate workflow jobs locally

Usage:

npm run simulate:lint
npm run simulate:build
npm run simulate:all
# or
bash scripts/simulate-workflows.sh lint

Jobs Supported:

• prisma-check - Validate Prisma setup
• typecheck - TypeScript checking
• lint - ESLint
• test-unit - Unit tests
• build - Production build
• test-e2e - E2E tests
• all - Run all in sequence

3. Enhanced Scripts

diagnose-workflows.sh

Changes:

• Works without act
• Runs validation automatically
• Better error messages
• Helpful tips for all scenarios

run-act.sh

Changes:

• Fixed default workflow path
• Better path handling

test-workflows.sh

Changes:

• Fixed workflow paths
• Better dry-run testing

New Documentation

1. WORKFLOW_SIMULATION.md

Location: docs/guides/WORKFLOW_SIMULATION.md

Contents:

• Overview of all tools
• Quick start guide
• Detailed usage for each tool
• Common issues & solutions
• Security considerations
• Best practices

2. WORKFLOW_QUICK_REF.md

Location: docs/guides/WORKFLOW_QUICK_REF.md

Contents:

• Quick command reference
• Tool comparison table
• Common use cases
• Exit codes
• Tips

New npm Scripts

Added to frontends/nextjs/package.json:

{
  "scripts": {
    "act:validate": "python3 scripts/validate-workflows.py",
    "simulate": "bash scripts/simulate-workflows.sh",
    "simulate:lint": "bash scripts/simulate-workflows.sh lint",
    "simulate:build": "bash scripts/simulate-workflows.sh build",
    "simulate:all": "bash scripts/simulate-workflows.sh all"
  }
}

Validation Results

All 14 workflow files validated successfully:

CI Workflows (4)

• ✅ ci/ci.yml - Main CI/CD pipeline
• ✅ ci/cli.yml - CLI build
• ✅ ci/cpp-build.yml - C++ build
• ✅ ci/detect-stubs.yml - Stub detection

PR Workflows (4)

• ✅ pr/pr-management.yml - PR labeling
• ✅ pr/merge-conflict-check.yml - Conflict detection
• ✅ pr/auto-merge.yml - Auto-merge
• ✅ pr/code-review.yml - Code review

Quality Workflows (4)

• ✅ quality/quality-metrics.yml - Metrics (fixed)
• ✅ quality/size-limits.yml - Size limits
• ✅ quality/planning.yml - Planning
• ✅ quality/deployment.yml - Deployment

Other Workflows (2)

• ✅ development.yml - Development assistance
• ✅ issue-triage.yml - Issue triage

Benefits

For Developers

• ✅ Validate workflows before pushing
• ✅ Quick local testing without Docker
• ✅ Fast feedback loop
• ✅ Work without act installed

For CI/CD

• ✅ Catch issues early
• ✅ Reduce failed workflow runs
• ✅ Better security (pinned actions)
• ✅ Consistent validation

For Maintenance

• ✅ Easy to diagnose issues
• ✅ Clear documentation
• ✅ Multiple testing levels
• ✅ Tool comparison guide

Testing Strategy

Three levels of testing available:

Level 1: Validation Only (Fastest)

npm run act:validate

• No dependencies except Python
• ~1 second
• Catches syntax errors
• Security warnings

Level 2: Local Simulation (Fast)

npm run simulate:lint

• Requires Node.js/Bun
• ~2-5 minutes
• Runs actual commands
• No Docker needed

Level 3: Docker Simulation (Complete)

npm run act:lint

• Requires act + Docker
• ~5-15 minutes
• Exact GitHub environment
• Full container isolation

Workflow

Recommended workflow for developers:

# 1. Before committing
npm run act:validate

# 2. During development (quick checks)
npm run simulate:lint

# 3. Before pushing (if act installed)
npm run act:all

# Or without act:
npm run simulate:all

Future Improvements

Potential enhancements:

• Cache dependencies in simulation script
• Add workflow diff comparison
• Create pre-commit hook example
• Add workflow performance metrics
• Create workflow visualization tool
• Add support for workflow_dispatch events
• Create workflow template generator

Conclusion

Successfully implemented comprehensive workflow simulation and validation tooling:

• ✅ Fixed 5 critical issues
• ✅ Created 2 new validation tools
• ✅ Enhanced 3 existing scripts
• ✅ Added 5 new npm scripts
• ✅ Created 2 documentation guides
• ✅ Validated all 14 workflows
• ✅ Improved security (pinned actions)
• ✅ Works without act/Docker

All workflows are now properly simulated, validated, and ready for use!