"""
Demonstration: Legacy Migration Simulation
Shows a Chef 12.19.36 → Tower 3.8.5 migration simulation - legacy virtualenv model.
Compare this with the AAP 2.4 demo to see the functional differences.
"""
import json
from souschef.migration_simulation import create_simulation_config
def demo_legacy_simulation():
"""Run legacy migration simulation demonstration."""
print("\n" + "=" * 80)
print("LEGACY MIGRATION SIMULATION DEMO: Chef 12.19.36 → Tower 3.8.5")
print("=" * 80)
config = create_simulation_config(
chef_version="12.19.36",
target_platform="tower",
target_version="3.8.5",
chef_auth_protocol="1.0", # SHA-1 for legacy
inventory_id=1,
project_id=2,
)
print("\n[Configuration]")
print(f" Source: Chef {config.chef_version}")
print(f" • Auth Protocol: {config.chef_auth_protocol} (SHA-1)")
print(" • Hash Algorithm: SHA1")
print(f" Target: Tower {config.target_version}")
print(f" • Execution Model: {config.execution_model}")
print(f" • Ansible Version: {config.ansible_version}")
print(f" • Available Endpoints: {len(config.available_endpoints)}")
# Show job template structure - virtualenv model
jt = config.get_job_template_structure()
print("\n[Job Template Structure]")
print(" Execution Model: VIRTUALENV (NOT execution_environment)")
print(f" Custom Virtualenv: {jt.get('custom_virtualenv', 'Not set')}")
print(json.dumps(jt, indent=2))
print("\n[Key Differences from AAP 2.4]")
print(" ✗ No execution environments (virtualenv only)")
print(" ✗ No content signing")
print(" ✗ No FIPS compliance")
print(" ✗ No mesh capabilities")
print(" ✓ Simpler authentication (SHA-1 or SHA-256)")
print(f" ✓ Fewer API endpoints: {len(config.available_endpoints)}")
print("\n" + "=" * 80 + "\n")
if __name__ == "__main__":
demo_legacy_simulation()
