Version Management
Overview: Secure version control, deployment, and update management for MCP systems.
Version management is crucial for maintaining security, stability, and compliance in MCP deployments. This guide covers secure versioning practices, automated updates, and rollback procedures.
Secure Version Control
Version Control Security
# Secure version control implementation
import hashlib
import json
import time
from typing import Dict, List, Optional, Any
from dataclasses import dataclass
from enum import Enum
class VersionState(Enum):
DEVELOPMENT = "development"
TESTING = "testing"
STAGING = "staging"
PRODUCTION = "production"
DEPRECATED = "deprecated"
ARCHIVED = "archived"
@dataclass
class Version:
version_number: str
state: VersionState
created_at: float
created_by: str
changelog: List[str]
security_updates: List[str]
dependencies: Dict[str, str]
signature: str
checksum: str
class SecureVersionManager:
def __init__(self):
self.version_db = {}
self.signature_manager = SignatureManager()
self.update_validator = UpdateValidator()
self.rollback_manager = RollbackManager()
self.audit_logger = AuditLogger()
def create_version(self, tool_name: str, version_data: Dict, creator_credentials: Dict) -> VersionResult:
"""Create new version with security validation"""
# Validate creator credentials
if not self.validate_creator_credentials(creator_credentials):
return VersionResult(
success=False,
reason="Invalid creator credentials"
)
# Validate version number format
version_number = version_data.get('version_number')
if not self.validate_version_format(version_number):
return VersionResult(
success=False,
reason="Invalid version number format"
)
# Check for version conflicts
if self.version_exists(tool_name, version_number):
return VersionResult(
success=False,
reason="Version already exists"
)
# Validate dependencies
dependencies = version_data.get('dependencies', {})
dependency_validation = self.validate_dependencies(dependencies)
if not dependency_validation.valid:
return VersionResult(
success=False,
reason=f"Invalid dependencies: {dependency_validation.reason}"
)
# Calculate checksum
checksum = self.calculate_checksum(version_data)
# Generate signature
signature = self.signature_manager.sign_version(version_data, creator_credentials)
# Create version object
version = Version(
version_number=version_number,
state=VersionState.DEVELOPMENT,
created_at=time.time(),
created_by=creator_credentials['user_id'],
changelog=version_data.get('changelog', []),
security_updates=version_data.get('security_updates', []),
dependencies=dependencies,
signature=signature,
checksum=checksum
)
# Store version
if tool_name not in self.version_db:
self.version_db[tool_name] = {}
self.version_db[tool_name][version_number] = version
# Log version creation
self.audit_logger.log_version_creation(tool_name, version, creator_credentials)
return VersionResult(
success=True,
version=version
)
def promote_version(self, tool_name: str, version_number: str, target_state: VersionState, credentials: Dict) -> PromotionResult:
"""Promote version to higher state with security checks"""
# Get current version
version = self.get_version(tool_name, version_number)
if not version:
return PromotionResult(
success=False,
reason="Version not found"
)
# Validate promotion permissions
if not self.can_promote_version(version, target_state, credentials):
return PromotionResult(
success=False,
reason="Insufficient permissions for promotion"
)
# Validate promotion path
if not self.is_valid_promotion_path(version.state, target_state):
return PromotionResult(
success=False,
reason="Invalid promotion path"
)
# Perform security checks for production promotion
if target_state == VersionState.PRODUCTION:
security_check = self.perform_production_security_check(tool_name, version_number)
if not security_check.passed:
return PromotionResult(
success=False,
reason=f"Security check failed: {security_check.reason}"
)
# Update version state
old_state = version.state
version.state = target_state
# Log promotion
self.audit_logger.log_version_promotion(
tool_name,
version_number,
old_state,
target_state,
credentials
)
return PromotionResult(
success=True,
old_state=old_state,
new_state=target_state
)
def validate_dependencies(self, dependencies: Dict[str, str]) -> DependencyValidationResult:
"""Validate version dependencies"""
validation_results = []
for dep_name, dep_version in dependencies.items():
# Check if dependency exists
if not self.dependency_exists(dep_name, dep_version):
validation_results.append(DependencyValidationError(
dependency=dep_name,
version=dep_version,
error="Dependency not found"
))
continue
# Check for known vulnerabilities
vuln_check = self.check_dependency_vulnerabilities(dep_name, dep_version)
if vuln_check.vulnerabilities:
validation_results.append(DependencyValidationError(
dependency=dep_name,
version=dep_version,
error=f"Known vulnerabilities: {len(vuln_check.vulnerabilities)}"
))
# Check for deprecated versions
if self.is_deprecated_version(dep_name, dep_version):
validation_results.append(DependencyValidationError(
dependency=dep_name,
version=dep_version,
error="Deprecated version"
))
return DependencyValidationResult(
valid=len(validation_results) == 0,
errors=validation_results
)
def perform_production_security_check(self, tool_name: str, version_number: str) -> SecurityCheckResult:
"""Perform comprehensive security check for production promotion"""
security_checks = [
self.check_signature_validity,
self.check_vulnerability_scan,
self.check_dependency_security,
self.check_code_quality,
self.check_test_coverage,
self.check_compliance_requirements
]
check_results = []
for check in security_checks:
result = check(tool_name, version_number)
check_results.append(result)
if not result.passed and result.severity == "critical":
return SecurityCheckResult(
passed=False,
reason=f"Critical security check failed: {result.check_name}",
details=check_results
)
# Calculate overall security score
security_score = sum(result.score for result in check_results) / len(check_results)
return SecurityCheckResult(
passed=security_score >= 80, # 80% threshold
reason=f"Security score: {security_score}%",
score=security_score,
details=check_results
)
Automated Update Management
Update Automation System
# Automated update management
class AutomatedUpdateManager:
def __init__(self):
self.update_scheduler = UpdateScheduler()
self.update_validator = UpdateValidator()
self.rollback_manager = RollbackManager()
self.notification_service = NotificationService()
def schedule_update(self, tool_name: str, target_version: str, update_config: Dict) -> UpdateScheduleResult:
"""Schedule automated update with safety checks"""
# Validate update configuration
config_validation = self.validate_update_config(update_config)
if not config_validation.valid:
return UpdateScheduleResult(
success=False,
reason=f"Invalid update configuration: {config_validation.reason}"
)
# Check update prerequisites
prerequisites_check = self.check_update_prerequisites(tool_name, target_version)
if not prerequisites_check.satisfied:
return UpdateScheduleResult(
success=False,
reason=f"Prerequisites not met: {prerequisites_check.reason}"
)
# Create update plan
update_plan = self.create_update_plan(tool_name, target_version, update_config)
# Schedule update
update_job = self.update_scheduler.schedule_update(update_plan)
return UpdateScheduleResult(
success=True,
update_job_id=update_job.id,
scheduled_time=update_job.scheduled_time
)
def execute_update(self, update_job_id: str) -> UpdateExecutionResult:
"""Execute scheduled update with safety measures"""
# Get update job
update_job = self.update_scheduler.get_job(update_job_id)
if not update_job:
return UpdateExecutionResult(
success=False,
reason="Update job not found"
)
# Pre-update validation
pre_update_validation = self.validate_pre_update_state(update_job)
if not pre_update_validation.valid:
return UpdateExecutionResult(
success=False,
reason=f"Pre-update validation failed: {pre_update_validation.reason}"
)
# Create rollback point
rollback_point = self.rollback_manager.create_rollback_point(update_job.tool_name)
try:
# Execute update steps
update_result = self.execute_update_steps(update_job)
if update_result.success:
# Post-update validation
post_update_validation = self.validate_post_update_state(update_job)
if post_update_validation.valid:
# Update successful
self.rollback_manager.confirm_update(rollback_point.id)
self.notification_service.send_update_success_notification(update_job)
return UpdateExecutionResult(
success=True,
message="Update completed successfully"
)
else:
# Post-update validation failed, rollback
self.rollback_manager.execute_rollback(rollback_point.id)
return UpdateExecutionResult(
success=False,
reason=f"Post-update validation failed: {post_update_validation.reason}",
rolled_back=True
)
else:
# Update failed, rollback
self.rollback_manager.execute_rollback(rollback_point.id)
return UpdateExecutionResult(
success=False,
reason=f"Update execution failed: {update_result.reason}",
rolled_back=True
)
except Exception as e:
# Exception during update, rollback
self.rollback_manager.execute_rollback(rollback_point.id)
return UpdateExecutionResult(
success=False,
reason=f"Update exception: {str(e)}",
rolled_back=True
)
def validate_update_config(self, update_config: Dict) -> ConfigValidationResult:
"""Validate update configuration"""
required_fields = ['update_strategy', 'validation_checks', 'rollback_policy']
for field in required_fields:
if field not in update_config:
return ConfigValidationResult(
valid=False,
reason=f"Missing required field: {field}"
)
# Validate update strategy
valid_strategies = ['rolling', 'blue_green', 'canary', 'immediate']
if update_config['update_strategy'] not in valid_strategies:
return ConfigValidationResult(
valid=False,
reason=f"Invalid update strategy: {update_config['update_strategy']}"
)
# Validate rollback policy
rollback_policy = update_config.get('rollback_policy', {})
if 'automatic_rollback' not in rollback_policy:
return ConfigValidationResult(
valid=False,
reason="Rollback policy must specify automatic_rollback"
)
return ConfigValidationResult(
valid=True,
reason="Configuration valid"
)
Rollback Management
Rollback System Implementation
# Rollback management system
class RollbackManager:
def __init__(self):
self.rollback_points = {}
self.rollback_history = []
self.state_manager = StateManager()
def create_rollback_point(self, tool_name: str) -> RollbackPoint:
"""Create rollback point before update"""
# Capture current state
current_state = self.state_manager.capture_state(tool_name)
# Create rollback point
rollback_point = RollbackPoint(
id=self.generate_rollback_id(),
tool_name=tool_name,
created_at=time.time(),
state_snapshot=current_state,
status="active"
)
# Store rollback point
self.rollback_points[rollback_point.id] = rollback_point
return rollback_point
def execute_rollback(self, rollback_point_id: str) -> RollbackResult:
"""Execute rollback to previous state"""
# Get rollback point
rollback_point = self.rollback_points.get(rollback_point_id)
if not rollback_point:
return RollbackResult(
success=False,
reason="Rollback point not found"
)
if rollback_point.status != "active":
return RollbackResult(
success=False,
reason="Rollback point is not active"
)
try:
# Restore state
restore_result = self.state_manager.restore_state(
rollback_point.tool_name,
rollback_point.state_snapshot
)
if restore_result.success:
# Mark rollback point as used
rollback_point.status = "used"
rollback_point.used_at = time.time()
# Record rollback in history
self.rollback_history.append(RollbackHistoryEntry(
rollback_point_id=rollback_point_id,
tool_name=rollback_point.tool_name,
executed_at=time.time(),
success=True
))
return RollbackResult(
success=True,
message="Rollback completed successfully"
)
else:
return RollbackResult(
success=False,
reason=f"State restore failed: {restore_result.reason}"
)
except Exception as e:
return RollbackResult(
success=False,
reason=f"Rollback execution failed: {str(e)}"
)
def validate_rollback_point(self, rollback_point_id: str) -> RollbackValidationResult:
"""Validate rollback point integrity"""
rollback_point = self.rollback_points.get(rollback_point_id)
if not rollback_point:
return RollbackValidationResult(
valid=False,
reason="Rollback point not found"
)
# Check rollback point age
max_age = 7 * 24 * 3600 # 7 days
if time.time() - rollback_point.created_at > max_age:
return RollbackValidationResult(
valid=False,
reason="Rollback point too old"
)
# Validate state snapshot integrity
snapshot_validation = self.state_manager.validate_snapshot(rollback_point.state_snapshot)
if not snapshot_validation.valid:
return RollbackValidationResult(
valid=False,
reason=f"State snapshot invalid: {snapshot_validation.reason}"
)
return RollbackValidationResult(
valid=True,
reason="Rollback point is valid"
)
Version Compliance
Compliance Management
# Version compliance management
class VersionComplianceManager:
def __init__(self):
self.compliance_rules = {}
self.compliance_checker = ComplianceChecker()
self.policy_engine = PolicyEngine()
def check_version_compliance(self, tool_name: str, version_number: str) -> ComplianceResult:
"""Check version compliance against policies"""
# Get applicable compliance rules
applicable_rules = self.get_applicable_rules(tool_name)
compliance_results = []
for rule in applicable_rules:
result = self.compliance_checker.check_rule(tool_name, version_number, rule)
compliance_results.append(result)
# Determine overall compliance
failed_rules = [r for r in compliance_results if not r.compliant]
critical_failures = [r for r in failed_rules if r.severity == "critical"]
overall_compliant = len(critical_failures) == 0
return ComplianceResult(
compliant=overall_compliant,
rule_results=compliance_results,
critical_failures=critical_failures
)
def enforce_compliance_policy(self, tool_name: str, version_number: str) -> EnforcementResult:
"""Enforce compliance policy on version"""
# Check compliance
compliance_result = self.check_version_compliance(tool_name, version_number)
if not compliance_result.compliant:
# Determine enforcement actions
enforcement_actions = self.policy_engine.determine_enforcement_actions(
compliance_result.critical_failures
)
# Execute enforcement actions
execution_results = []
for action in enforcement_actions:
result = self.execute_enforcement_action(tool_name, version_number, action)
execution_results.append(result)
return EnforcementResult(
enforced=True,
actions_taken=enforcement_actions,
execution_results=execution_results
)
return EnforcementResult(
enforced=False,
reason="Version is compliant"
)
def get_applicable_rules(self, tool_name: str) -> List[ComplianceRule]:
"""Get compliance rules applicable to tool"""
applicable_rules = []
# Global rules
global_rules = self.compliance_rules.get('global', [])
applicable_rules.extend(global_rules)
# Tool-specific rules
tool_rules = self.compliance_rules.get(tool_name, [])
applicable_rules.extend(tool_rules)
# Category-based rules
tool_category = self.get_tool_category(tool_name)
category_rules = self.compliance_rules.get(f'category_{tool_category}', [])
applicable_rules.extend(category_rules)
return applicable_rules
Monitoring and Alerting
Version Monitoring System
# Version monitoring system
class VersionMonitor:
def __init__(self):
self.metrics_collector = MetricsCollector()
self.alert_manager = AlertManager()
self.anomaly_detector = AnomalyDetector()
def monitor_version_health(self, tool_name: str, version_number: str):
"""Monitor version health and performance"""
# Collect version metrics
version_metrics = self.metrics_collector.collect_version_metrics(tool_name, version_number)
# Check for anomalies
anomalies = self.anomaly_detector.detect_version_anomalies(version_metrics)
# Process anomalies
for anomaly in anomalies:
self.handle_version_anomaly(tool_name, version_number, anomaly)
# Check alert conditions
alert_conditions = self.check_alert_conditions(version_metrics)
# Generate alerts
for condition in alert_conditions:
self.alert_manager.create_alert(
alert_type="version_health",
severity=condition.severity,
message=condition.message,
tool_name=tool_name,
version_number=version_number
)
def track_version_adoption(self, tool_name: str):
"""Track version adoption patterns"""
# Get version usage statistics
version_stats = self.metrics_collector.get_version_usage_stats(tool_name)
# Analyze adoption patterns
adoption_analysis = self.analyze_adoption_patterns(version_stats)
# Check for concerning patterns
if adoption_analysis.slow_adoption:
self.alert_manager.create_alert(
alert_type="slow_version_adoption",
severity="medium",
message=f"Slow adoption of latest version for {tool_name}",
details=adoption_analysis
)
if adoption_analysis.fragmented_versions:
self.alert_manager.create_alert(
alert_type="version_fragmentation",
severity="low",
message=f"High version fragmentation for {tool_name}",
details=adoption_analysis
)
Best Practices
Version Management Guidelines
- Semantic Versioning: Use semantic versioning (SemVer) for clear version communication
- Automated Testing: Implement comprehensive automated testing for all versions
- Gradual Rollouts: Use gradual rollout strategies for production deployments
- Rollback Readiness: Always maintain rollback capabilities
- Security Scanning: Scan all versions for security vulnerabilities
- Dependency Management: Carefully manage and monitor dependencies
- Compliance Checking: Ensure all versions meet compliance requirements
- Monitoring: Implement comprehensive version monitoring and alerting
Common Pitfalls
- Incomplete Rollback Plans: Inadequate rollback procedures
- Version Sprawl: Too many active versions in production
- Dependency Conflicts: Conflicting dependency versions
- Security Debt: Delayed security updates
- Insufficient Testing: Inadequate testing before promotion
- Poor Documentation: Insufficient changelog and update documentation
Version Management provides the framework for secure, reliable, and compliant version control and deployment of MCP systems.