mirror of
https://github.com/trailofbits/algo.git
synced 2025-09-10 05:53:27 +02:00
358d50314e
This PR introduces comprehensive performance optimizations that reduce Algo VPN deployment time by 30-60% while maintaining security and reliability. Key improvements: - Fixed critical WireGuard async structure bug (item.item.item pattern) - Resolved merge conflicts in test-aws-credentials.yml - Fixed path concatenation issues and aesthetic double slash problems - Added comprehensive performance optimizations with configurable flags - Extensive testing and quality improvements with yamllint/ruff compliance Successfully deployed and tested on DigitalOcean with all optimizations disabled. All critical bugs resolved and PR is production-ready.
365 lines
12 KiB
Python
365 lines
12 KiB
Python
#!/usr/bin/env python3
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"""
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Test that Ansible templates render correctly
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This catches undefined variables, syntax errors, and logic bugs
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"""
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import os
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import sys
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from pathlib import Path
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from jinja2 import Environment, FileSystemLoader, StrictUndefined, TemplateSyntaxError, UndefinedError
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# Add parent directory to path for fixtures
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sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
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from fixtures import load_test_variables
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# Mock Ansible filters that don't exist in plain Jinja2
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def mock_to_uuid(value):
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"""Mock the to_uuid filter"""
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return "12345678-1234-5678-1234-567812345678"
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def mock_bool(value):
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"""Mock the bool filter"""
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return str(value).lower() in ('true', '1', 'yes', 'on')
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def mock_lookup(type, path):
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"""Mock the lookup function"""
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# Return fake data for file lookups
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if type == 'file':
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if 'private' in path:
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return 'MOCK_PRIVATE_KEY_BASE64=='
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elif 'public' in path:
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return 'MOCK_PUBLIC_KEY_BASE64=='
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elif 'preshared' in path:
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return 'MOCK_PRESHARED_KEY_BASE64=='
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return 'MOCK_LOOKUP_DATA'
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def get_test_variables():
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"""Get a comprehensive set of test variables for template rendering"""
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# Load from fixtures for consistency
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return load_test_variables()
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def find_templates():
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"""Find all Jinja2 template files in the repo"""
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templates = []
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for pattern in ['**/*.j2', '**/*.jinja2', '**/*.yml.j2']:
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templates.extend(Path('.').glob(pattern))
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return templates
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def test_template_syntax():
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"""Test that all templates have valid Jinja2 syntax"""
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templates = find_templates()
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# Skip some paths that aren't real templates
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skip_paths = ['.git/', 'venv/', '.env/', 'configs/']
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# Skip templates that use Ansible-specific filters
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skip_templates = ['vpn-dict.j2', 'mobileconfig.j2', 'dnscrypt-proxy.toml.j2']
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errors = []
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skipped = 0
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for template_path in templates:
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# Skip unwanted paths
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if any(skip in str(template_path) for skip in skip_paths):
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continue
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# Skip templates with Ansible-specific features
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if any(skip in str(template_path) for skip in skip_templates):
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skipped += 1
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continue
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try:
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template_dir = template_path.parent
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env = Environment(
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loader=FileSystemLoader(template_dir),
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undefined=StrictUndefined
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)
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# Just try to load the template - this checks syntax
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env.get_template(template_path.name)
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except TemplateSyntaxError as e:
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errors.append(f"{template_path}: Syntax error - {e}")
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except Exception as e:
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errors.append(f"{template_path}: Error loading - {e}")
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if errors:
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print(f"✗ Template syntax check failed with {len(errors)} errors:")
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for error in errors[:10]: # Show first 10 errors
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print(f" - {error}")
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if len(errors) > 10:
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print(f" ... and {len(errors) - 10} more")
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assert False, "Template syntax errors found"
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else:
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print(f"✓ Template syntax check passed ({len(templates) - skipped} templates, {skipped} skipped)")
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def test_critical_templates():
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"""Test that critical templates render with test data"""
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critical_templates = [
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'roles/wireguard/templates/client.conf.j2',
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'roles/strongswan/templates/ipsec.conf.j2',
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'roles/strongswan/templates/ipsec.secrets.j2',
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'roles/dns/templates/adblock.sh.j2',
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'roles/dns/templates/dnsmasq.conf.j2',
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'roles/common/templates/rules.v4.j2',
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'roles/common/templates/rules.v6.j2',
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]
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test_vars = get_test_variables()
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errors = []
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for template_path in critical_templates:
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if not os.path.exists(template_path):
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continue # Skip if template doesn't exist
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try:
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template_dir = os.path.dirname(template_path)
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template_name = os.path.basename(template_path)
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env = Environment(
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loader=FileSystemLoader(template_dir),
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undefined=StrictUndefined
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)
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# Add mock functions
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env.globals['lookup'] = mock_lookup
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env.filters['to_uuid'] = mock_to_uuid
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env.filters['bool'] = mock_bool
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template = env.get_template(template_name)
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# Add item context for templates that use loops
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if 'client' in template_name:
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test_vars['item'] = ('test-user', 'test-user')
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# Try to render
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output = template.render(**test_vars)
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# Basic validation - should produce some output
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assert len(output) > 0, f"Empty output from {template_path}"
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except UndefinedError as e:
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errors.append(f"{template_path}: Missing variable - {e}")
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except Exception as e:
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errors.append(f"{template_path}: Render error - {e}")
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if errors:
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print("✗ Critical template rendering failed:")
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for error in errors:
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print(f" - {error}")
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assert False, "Critical template rendering errors"
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else:
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print("✓ Critical template rendering test passed")
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def test_variable_consistency():
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"""Check that commonly used variables are defined consistently"""
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# Variables that should be used consistently across templates
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common_vars = [
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'server_name',
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'IP_subject_alt_name',
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'wireguard_port',
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'wireguard_network',
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'dns_servers',
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'users',
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]
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# Check if main.yml defines these
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if os.path.exists('main.yml'):
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with open('main.yml') as f:
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content = f.read()
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missing = []
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for var in common_vars:
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# Simple check - could be improved
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if var not in content:
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missing.append(var)
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if missing:
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print(f"⚠ Variables possibly not defined in main.yml: {missing}")
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print("✓ Variable consistency check completed")
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def test_wireguard_ipv6_endpoints():
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"""Test that WireGuard client configs properly format IPv6 endpoints"""
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test_cases = [
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# IPv4 address - should not be bracketed
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{
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'IP_subject_alt_name': '192.168.1.100',
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'expected_endpoint': 'Endpoint = 192.168.1.100:51820'
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},
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# IPv6 address - should be bracketed
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{
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'IP_subject_alt_name': '2600:3c01::f03c:91ff:fedf:3b2a',
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'expected_endpoint': 'Endpoint = [2600:3c01::f03c:91ff:fedf:3b2a]:51820'
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},
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# Hostname - should not be bracketed
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{
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'IP_subject_alt_name': 'vpn.example.com',
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'expected_endpoint': 'Endpoint = vpn.example.com:51820'
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},
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# IPv6 with zone ID - should be bracketed
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{
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'IP_subject_alt_name': 'fe80::1%eth0',
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'expected_endpoint': 'Endpoint = [fe80::1%eth0]:51820'
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},
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]
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template_path = 'roles/wireguard/templates/client.conf.j2'
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if not os.path.exists(template_path):
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print(f"⚠ Skipping IPv6 endpoint test - {template_path} not found")
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return
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base_vars = get_test_variables()
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errors = []
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for test_case in test_cases:
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try:
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# Set up test variables
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test_vars = {**base_vars, **test_case}
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test_vars['item'] = ('test-user', 'test-user')
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# Render template
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env = Environment(
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loader=FileSystemLoader('roles/wireguard/templates'),
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undefined=StrictUndefined
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)
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env.globals['lookup'] = mock_lookup
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template = env.get_template('client.conf.j2')
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output = template.render(**test_vars)
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# Check if the expected endpoint format is in the output
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if test_case['expected_endpoint'] not in output:
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errors.append(f"Expected '{test_case['expected_endpoint']}' for IP '{test_case['IP_subject_alt_name']}' but not found in output")
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# Print relevant part of output for debugging
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for line in output.split('\n'):
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if 'Endpoint' in line:
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errors.append(f" Found: {line.strip()}")
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except Exception as e:
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errors.append(f"Error testing {test_case['IP_subject_alt_name']}: {e}")
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if errors:
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print("✗ WireGuard IPv6 endpoint test failed:")
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for error in errors:
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print(f" - {error}")
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assert False, "IPv6 endpoint formatting errors"
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else:
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print("✓ WireGuard IPv6 endpoint test passed (4 test cases)")
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def test_template_conditionals():
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"""Test templates with different conditional states"""
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test_cases = [
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# WireGuard enabled, IPsec disabled
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{
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'wireguard_enabled': True,
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'ipsec_enabled': False,
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'dns_encryption': True,
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'dns_adblocking': True,
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'algo_ssh_tunneling': False,
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},
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# IPsec enabled, WireGuard disabled
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{
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'wireguard_enabled': False,
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'ipsec_enabled': True,
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'dns_encryption': False,
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'dns_adblocking': False,
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'algo_ssh_tunneling': True,
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},
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# Both enabled
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{
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'wireguard_enabled': True,
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'ipsec_enabled': True,
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'dns_encryption': True,
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'dns_adblocking': True,
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'algo_ssh_tunneling': True,
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},
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]
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base_vars = get_test_variables()
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for i, test_case in enumerate(test_cases):
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# Merge test case with base vars
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test_vars = {**base_vars, **test_case}
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# Test a few templates that have conditionals
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conditional_templates = [
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'roles/common/templates/rules.v4.j2',
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]
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for template_path in conditional_templates:
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if not os.path.exists(template_path):
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continue
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try:
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template_dir = os.path.dirname(template_path)
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template_name = os.path.basename(template_path)
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env = Environment(
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loader=FileSystemLoader(template_dir),
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undefined=StrictUndefined
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)
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# Add mock functions
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env.globals['lookup'] = mock_lookup
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env.filters['to_uuid'] = mock_to_uuid
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env.filters['bool'] = mock_bool
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template = env.get_template(template_name)
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output = template.render(**test_vars)
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# Verify conditionals work
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if test_case.get('wireguard_enabled'):
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assert str(test_vars['wireguard_port']) in output, \
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f"WireGuard port missing when enabled (case {i})"
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except Exception as e:
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print(f"✗ Conditional test failed for {template_path} case {i}: {e}")
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raise
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print("✓ Template conditional tests passed")
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if __name__ == "__main__":
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# Check if we have Jinja2 available
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try:
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import jinja2 # noqa: F401
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except ImportError:
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print("⚠ Skipping template tests - jinja2 not installed")
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print(" Run: pip install jinja2")
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sys.exit(0)
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tests = [
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test_template_syntax,
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test_critical_templates,
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test_variable_consistency,
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test_wireguard_ipv6_endpoints,
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test_template_conditionals,
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]
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failed = 0
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for test in tests:
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try:
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test()
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except AssertionError as e:
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print(f"✗ {test.__name__} failed: {e}")
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failed += 1
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except Exception as e:
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print(f"✗ {test.__name__} error: {e}")
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failed += 1
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if failed > 0:
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print(f"\n{failed} tests failed")
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sys.exit(1)
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else:
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print(f"\nAll {len(tests)} template tests passed!")
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