Chapter 12: Practical Project: Enterprise IAM Architecture Design
Haiyue
45min
Chapter 12: Practical Project: Enterprise IAM Architecture Design
Learning Objectives
- Design multi-account IAM architecture
- Implement layered permission management system
- Build automated IAM management processes
- Establish IAM security monitoring and response mechanisms
- Formulate IAM governance and compliance strategies
Knowledge Points
12.1 Project Background and Requirements Analysis
12.1.1 Enterprise Scenario Description
Assume we are designing an IAM architecture for a medium-sized technology company with the following characteristics:
- Employee size: 500-1000 people
- Departments: Engineering, Product, Sales, Marketing, Operations, Finance
- Environments: Development, Test, Pre-production, Production
- Applications: Web applications, mobile applications, data analysis platforms, internal tools
- Compliance requirements: SOC 2, ISO 27001, GDPR
🔄 正在渲染 Mermaid 图表...
12.1.2 Architecture Design Python Framework
import boto3
import json
from typing import Dict, List, Any, Optional
from dataclasses import dataclass
from enum import Enum
from datetime import datetime, timedelta
import yaml
class Environment(Enum):
DEVELOPMENT = "dev"
TESTING = "test"
STAGING = "staging"
PRODUCTION = "prod"
class Department(Enum):
ENGINEERING = "engineering"
PRODUCT = "product"
SALES = "sales"
MARKETING = "marketing"
DEVOPS = "devops"
FINANCE = "finance"
@dataclass
class IAMPrincipal:
"""IAM Principal Definition"""
name: str
type: str # user, role, group
department: Department
environment_access: List[Environment]
permissions: List[str]
tags: Dict[str, str]
@dataclass
class AccountStructure:
"""Account Structure Definition"""
account_id: str
account_name: str
environment: Environment
purpose: str
organizational_unit: str
class EnterpriseIAMArchitect:
"""Enterprise IAM Architect"""
def __init__(self):
self.organizations = boto3.client('organizations')
self.iam = boto3.client('iam')
self.sts = boto3.client('sts')
self.sso = boto3.client('sso-admin')
def design_account_structure(self) -> Dict[str, Any]:
"""Design Multi-Account Structure"""
account_structure = {
"root_account": {
"account_id": "111111111111",
"purpose": "Organization management and billing",
"services": ["Organizations", "Control Tower", "SSO"]
},
"security_account": {
"account_id": "222222222222",
"purpose": "Centralized security and compliance",
"services": ["CloudTrail", "Config", "GuardDuty", "Security Hub"]
},
"shared_services": {
"account_id": "333333333333",
"purpose": "Shared infrastructure and services",
"services": ["DNS", "Active Directory", "Monitoring"]
},
"environments": {
"development": {
"account_id": "444444444444",
"purpose": "Development workloads",
"access_level": "broad"
},
"testing": {
"account_id": "555555555555",
"purpose": "Testing and QA workloads",
"access_level": "moderate"
},
"staging": {
"account_id": "666666666666",
"purpose": "Pre-production testing",
"access_level": "restricted"
},
"production": {
"account_id": "777777777777",
"purpose": "Production workloads",
"access_level": "minimal"
}
}
}
return account_structure
def create_organizational_units(self) -> Dict[str, str]:
"""Create Organizational Unit Structure"""
ou_structure = {}
try:
# Get root organization ID
root_response = self.organizations.list_roots()
root_id = root_response['Roots'][0]['Id']
# Create primary OUs
security_ou = self.organizations.create_organizational_unit(
ParentId=root_id,
Name='Security'
)
ou_structure['Security'] = security_ou['OrganizationalUnit']['Id']
workloads_ou = self.organizations.create_organizational_unit(
ParentId=root_id,
Name='Workloads'
)
ou_structure['Workloads'] = workloads_ou['OrganizationalUnit']['Id']
# Create environment OUs under Workloads
for env in Environment:
env_ou = self.organizations.create_organizational_unit(
ParentId=workloads_ou['OrganizationalUnit']['Id'],
Name=env.value.title()
)
ou_structure[f'Workloads-{env.value}'] = env_ou['OrganizationalUnit']['Id']
return ou_structure
except Exception as e:
print(f"Failed to create organizational units: {e}")
return ou_structure
def design_permission_boundary_strategy(self) -> Dict[str, Any]:
"""Design Permission Boundary Strategy"""
# Developer permission boundary
developer_boundary = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "*",
"Resource": "*",
"Condition": {
"StringEquals": {
"aws:RequestedTag/Environment": [
"development",
"testing"
]
}
}
},
{
"Effect": "Deny",
"Action": [
"organizations:*",
"account:*",
"iam:CreateUser",
"iam:DeleteUser",
"iam:CreateRole",
"iam:DeleteRole"
],
"Resource": "*"
},
{
"Effect": "Deny",
"Action": "*",
"Resource": "*",
"Condition": {
"StringEquals": {
"aws:RequestedTag/Environment": [
"staging",
"production"
]
}
}
}
]
}
# DevOps permission boundary
devops_boundary = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "*",
"Resource": "*",
"Condition": {
"StringNotEquals": {
"aws:RequestedRegion": [
"ap-northeast-1", # Deny access to certain regions
"ap-southeast-1"
]
}
}
},
{
"Effect": "Deny",
"Action": [
"organizations:*",
"account:CloseAccount"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"iam:PassRole"
],
"Resource": "arn:aws:iam::*:role/*",
"Condition": {
"StringEquals": {
"iam:PassedToService": [
"ec2.amazonaws.com",
"lambda.amazonaws.com",
"ecs-tasks.amazonaws.com"
]
}
}
}
]
}
# Finance permission boundary
finance_boundary = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"ce:*",
"cur:*",
"budgets:*",
"billing:*",
"account:GetAccountInformation"
],
"Resource": "*"
},
{
"Effect": "Allow",
"Action": [
"s3:GetObject",
"s3:ListBucket"
],
"Resource": [
"arn:aws:s3:::billing-reports/*",
"arn:aws:s3:::cost-optimization/*"
]
},
{
"Effect": "Deny",
"Action": "*",
"NotResource": [
"arn:aws:ce:*",
"arn:aws:cur:*",
"arn:aws:budgets:*",
"arn:aws:s3:::billing-reports/*"
]
}
]
}
return {
"developer": developer_boundary,
"devops": devops_boundary,
"finance": finance_boundary
}
def create_role_hierarchy(self) -> Dict[str, Any]:
"""Create Role Hierarchy"""
role_hierarchy = {
"executive": {
"permissions": ["FullAccess"],
"trust_policy": "executive_trust_policy",
"requires_mfa": True,
"max_session_duration": 3600
},
"department_admin": {
"engineering": {
"permissions": ["EngineeringAdminAccess"],
"boundary": "developer_boundary",
"environments": ["development", "testing", "staging"]
},
"devops": {
"permissions": ["DevOpsAdminAccess"],
"boundary": "devops_boundary",
"environments": ["all"]
},
"finance": {
"permissions": ["FinanceAccess"],
"boundary": "finance_boundary",
"environments": ["billing_only"]
}
},
"team_lead": {
"permissions": ["TeamLeadAccess"],
"boundary": "team_lead_boundary",
"delegation_allowed": True
},
"developer": {
"junior": {
"permissions": ["DeveloperReadAccess"],
"boundary": "developer_boundary",
"environments": ["development"]
},
"senior": {
"permissions": ["SeniorDeveloperAccess"],
"boundary": "developer_boundary",
"environments": ["development", "testing"]
}
},
"service_roles": {
"application": {
"lambda_execution": "LambdaExecutionRole",
"ecs_task": "ECSTaskRole",
"ec2_instance": "EC2InstanceRole"
},
"infrastructure": {
"cloudformation": "CloudFormationRole",
"codepipeline": "CodePipelineRole",
"codebuild": "CodeBuildRole"
}
}
}
return role_hierarchy
# Usage example
architect = EnterpriseIAMArchitect()
# Design account structure
account_design = architect.design_account_structure()
print("Account Structure Design:")
for category, details in account_design.items():
if isinstance(details, dict) and 'account_id' in details:
print(f" {category}: {details['account_id']} - {details['purpose']}")
# Create organizational units
ou_structure = architect.create_organizational_units()
print(f"\nOrganizational Units Created: {len(ou_structure)} OUs")
# Design permission boundaries
boundaries = architect.design_permission_boundary_strategy()
print(f"\nPermission Boundary Strategy: {list(boundaries.keys())}")
# Create role hierarchy
role_hierarchy = architect.create_role_hierarchy()
print(f"\nRole Hierarchy:")
print(f" Management Level: {len(role_hierarchy)} main categories")12.2 Identity Federation and SSO Integration
12.2.1 Enterprise Identity Provider Integration
class EnterpriseIdentityFederation:
"""Enterprise Identity Federation Management"""
def __init__(self):
self.sso = boto3.client('sso-admin')
self.identitystore = boto3.client('identitystore')
self.iam = boto3.client('iam')
def setup_sso_instance(self) -> Dict[str, Any]:
"""Set up SSO Instance"""
try:
# Get SSO instance
instances = self.sso.list_instances()
if not instances['Instances']:
print("No SSO instance found, AWS SSO needs to be enabled first")
return {}
instance = instances['Instances'][0]
instance_arn = instance['InstanceArn']
identity_store_id = instance['IdentityStoreId']
# Configure identity source
identity_source_config = {
"instance_arn": instance_arn,
"identity_store_id": identity_store_id,
"external_identity_provider": {
"type": "SAML",
"configuration": {
"metadata_document": self._get_saml_metadata(),
"login_url": "https://company.okta.com/login",
"logout_url": "https://company.okta.com/logout"
}
}
}
return identity_source_config
except Exception as e:
print(f"Failed to set up SSO instance: {e}")
return {}
def create_permission_sets(self) -> Dict[str, str]:
"""Create Permission Sets"""
permission_sets = {}
# Define permission set configurations
permission_set_configs = {
"DeveloperAccess": {
"description": "Developer access with limited permissions",
"session_duration": "PT8H", # 8 hours
"managed_policies": [
"arn:aws:iam::aws:policy/PowerUserAccess"
],
"inline_policy": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Deny",
"Action": [
"iam:*",
"organizations:*",
"account:*"
],
"Resource": "*"
}
]
}
},
"DevOpsAccess": {
"description": "DevOps full access with MFA requirement",
"session_duration": "PT4H", # 4 hours
"managed_policies": [
"arn:aws:iam::aws:policy/AdministratorAccess"
],
"inline_policy": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Deny",
"Action": "*",
"Resource": "*",
"Condition": {
"Bool": {
"aws:MultiFactorAuthPresent": "false"
}
}
}
]
}
},
"ReadOnlyAccess": {
"description": "Read-only access for analysts",
"session_duration": "PT12H", # 12 hours
"managed_policies": [
"arn:aws:iam::aws:policy/ReadOnlyAccess"
],
"customer_managed_policies": [
"BillingReadOnlyAccess"
]
},
"SecurityAuditorAccess": {
"description": "Security auditor access",
"session_duration": "PT6H", # 6 hours
"managed_policies": [
"arn:aws:iam::aws:policy/SecurityAudit",
"arn:aws:iam::aws:policy/ReadOnlyAccess"
]
}
}
try:
sso_instance = self.setup_sso_instance()
instance_arn = sso_instance.get('instance_arn')
if not instance_arn:
return permission_sets
for ps_name, ps_config in permission_set_configs.items():
# Create permission set
response = self.sso.create_permission_set(
Name=ps_name,
Description=ps_config['description'],
InstanceArn=instance_arn,
SessionDuration=ps_config['session_duration'],
Tags=[
{
'Key': 'Purpose',
'Value': 'Enterprise-SSO'
}
]
)
ps_arn = response['PermissionSet']['PermissionSetArn']
permission_sets[ps_name] = ps_arn
# Attach AWS managed policies
if 'managed_policies' in ps_config:
for policy_arn in ps_config['managed_policies']:
self.sso.attach_managed_policy_to_permission_set(
InstanceArn=instance_arn,
PermissionSetArn=ps_arn,
ManagedPolicyArn=policy_arn
)
# Add inline policy
if 'inline_policy' in ps_config:
self.sso.put_inline_policy_to_permission_set(
InstanceArn=instance_arn,
PermissionSetArn=ps_arn,
InlinePolicy=json.dumps(ps_config['inline_policy'])
)
print(f"Permission set {ps_name} created successfully: {ps_arn}")
return permission_sets
except Exception as e:
print(f"Failed to create permission sets: {e}")
return permission_sets
def setup_group_mappings(self, permission_sets: Dict[str, str]) -> Dict[str, Any]:
"""Set up Group Mappings"""
# Define AD group to permission set mappings
group_mappings = {
"Engineering-Developers": {
"permission_set": "DeveloperAccess",
"accounts": ["444444444444", "555555555555"] # dev, test
},
"Engineering-DevOps": {
"permission_set": "DevOpsAccess",
"accounts": ["444444444444", "555555555555", "666666666666", "777777777777"] # all
},
"Finance-Analysts": {
"permission_set": "ReadOnlyAccess",
"accounts": ["111111111111"] # root account for billing
},
"Security-Team": {
"permission_set": "SecurityAuditorAccess",
"accounts": ["222222222222"] # security account
}
}
mapping_results = {}
try:
sso_instance = self.setup_sso_instance()
instance_arn = sso_instance.get('instance_arn')
identity_store_id = sso_instance.get('identity_store_id')
if not instance_arn:
return mapping_results
for group_name, mapping_config in group_mappings.items():
try:
# Find group ID
groups = self.identitystore.list_groups(
IdentityStoreId=identity_store_id,
Filters=[
{
'AttributePath': 'DisplayName',
'AttributeValue': group_name
}
]
)
if not groups['Groups']:
print(f"Group {group_name} does not exist, skipping mapping")
continue
group_id = groups['Groups'][0]['GroupId']
ps_arn = permission_sets.get(mapping_config['permission_set'])
if not ps_arn:
print(f"Permission set {mapping_config['permission_set']} does not exist")
continue
# Create assignment for each account
for account_id in mapping_config['accounts']:
assignment_response = self.sso.create_account_assignment(
InstanceArn=instance_arn,
TargetId=account_id,
TargetType='AWS_ACCOUNT',
PermissionSetArn=ps_arn,
PrincipalType='GROUP',
PrincipalId=group_id
)
print(f"Group {group_name} assigned to account {account_id}")
mapping_results[group_name] = {
'group_id': group_id,
'permission_set': mapping_config['permission_set'],
'accounts': mapping_config['accounts'],
'status': 'success'
}
except Exception as e:
mapping_results[group_name] = {
'status': 'error',
'error': str(e)
}
return mapping_results
except Exception as e:
print(f"Failed to set up group mappings: {e}")
return mapping_results
def _get_saml_metadata(self) -> str:
"""Get SAML Metadata"""
# This should return the actual SAML identity provider metadata
return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<md:EntityDescriptor xmlns:md=\"urn:oasis:names:tc:SAML:2.0:metadata\" entityID=\"http://www.company.com/saml">
<!-- SAML metadata content -->
</md:EntityDescriptor>"
# Usage example
identity_federation = EnterpriseIdentityFederation()
# Set up SSO instance
sso_config = identity_federation.setup_sso_instance()
print("SSO Instance Configuration:")
print(f"Instance ARN: {sso_config.get('instance_arn')}")
# Create permission sets
permission_sets = identity_federation.create_permission_sets()
print(f"\n{len(permission_sets)} Permission Sets Created:")
for name, arn in permission_sets.items():
print(f" {name}: {arn}")
# Set up group mappings
group_mappings = identity_federation.setup_group_mappings(permission_sets)
print(f"\nGroup Mapping Results:")
for group, result in group_mappings.items():
if result['status'] == 'success':
print(f" {group}: Successfully mapped to {len(result['accounts'])} accounts")
else:
print(f" {group}: Mapping failed - {result['error']}")12.3 Complete Deployment Script
12.3.1 Infrastructure as Code Deployment
class EnterpriseIAMDeployment:
"""Enterprise IAM Complete Deployment"""
def __init__(self):
self.cloudformation = boto3.client('cloudformation')
self.iam = boto3.client('iam')
self.organizations = boto3.client('organizations')
def deploy_complete_iam_infrastructure(self) -> Dict[str, Any]:
"""Deploy Complete IAM Infrastructure"""
deployment_results = {
'foundation': self._deploy_foundation_stack(),
'identity_federation': self._deploy_identity_federation(),
'governance': self._deploy_governance_automation(),
'monitoring': self._deploy_monitoring_stack(),
'validation': self._validate_deployment()
}
return deployment_results
def _deploy_foundation_stack(self) -> Dict[str, Any]:
"""Deploy Foundation Stack"""
foundation_template = {
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "Enterprise IAM Foundation Stack",
"Parameters": {
"OrganizationName": {
"Type": "String",
"Default": "TechCorp",
"Description": "Organization name for resource naming"
}
},
"Resources": {
# Permission Boundary Policy
"DeveloperPermissionsBoundary": {
"Type": "AWS::IAM::ManagedPolicy",
"Properties": {
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": "*",
"Resource": "*",
"Condition": {
"StringEquals": {
"aws:RequestedTag/Environment": ["development", "testing"]
}
}
},
{
"Effect": "Deny",
"Action": [
"organizations:*",
"account:*",
"iam:CreateUser",
"iam:DeleteUser"
],
"Resource": "*"
}
]
},
"Description": "Permissions boundary for developers"
}
},
# Base IAM Role
"CrossAccountAuditRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"AWS": "arn:aws:iam::222222222222:root"
},
"Action": "sts:AssumeRole",
"Condition": {
"StringEquals": {
"sts:ExternalId": {"Ref": "AWS::AccountId"}
}
}
}
]
},
"ManagedPolicyArns": [
"arn:aws:iam::aws:policy/SecurityAudit",
"arn:aws:iam::aws:policy/ReadOnlyAccess"
],
"Tags": [
{
"Key": "Purpose",
"Value": "CrossAccountAudit"
}
]
}
}
},
"Outputs": {
"DeveloperBoundaryArn": {
"Description": "ARN of Developer Permissions Boundary",
"Value": {"Ref": "DeveloperPermissionsBoundary"},
"Export": {
"Name": {"Fn::Sub": "${AWS::StackName}-DeveloperBoundary"}
}
},
"AuditRoleArn": {
"Description": "ARN of Cross Account Audit Role",
"Value": {"Fn::GetAtt": ["CrossAccountAuditRole", "Arn"]},
"Export": {
"Name": {"Fn::Sub": "${AWS::StackName}-AuditRole"}
}
}
}
}
try:
response = self.cloudformation.create_stack(
StackName='enterprise-iam-foundation',
TemplateBody=json.dumps(foundation_template),
Capabilities=['CAPABILITY_IAM'],
Tags=[
{
'Key': 'Project',
'Value': 'EnterpriseIAM'
},
{
'Key': 'Environment',
'Value': 'Infrastructure'
}
]
)
return {
'status': 'success',
'stack_id': response['StackId']
}
except Exception as e:
return {
'status': 'failed',
'error': str(e)
}
def _deploy_identity_federation(self) -> Dict[str, Any]:
"""Deploy Identity Federation Configuration"""
# This will deploy SAML identity provider and related roles
try:
# Create SAML identity provider
saml_metadata = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<md:EntityDescriptor xmlns:md=\"urn:oasis:names:tc:SAML:2.0:metadata\" entityID=\"http://www.company.com/saml">
<!-- SAML metadata content -->
</md:EntityDescriptor>"
saml_provider = self.iam.create_saml_provider(
SAMLMetadataDocument=saml_metadata,
Name='CompanyADFS'
)
# Create federated role
federated_role_trust_policy = {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Federated": saml_provider['SAMLProviderArn']
},
"Action": "sts:AssumeRoleWithSAML",
"Condition": {
"StringEquals": {
"SAML:aud": "https://signin.aws.amazon.com/saml"
}
}
}
]
}
federated_role = self.iam.create_role(
RoleName='ADFS-DeveloperRole',
AssumeRolePolicyDocument=json.dumps(federated_role_trust_policy),
PermissionsBoundary='arn:aws:iam::123456789012:policy/DeveloperBoundary'
)
return {
'status': 'success',
'saml_provider_arn': saml_provider['SAMLProviderArn'],
'federated_role_arn': federated_role['Role']['Arn']
}
except Exception as e:
return {
'status': 'failed',
'error': str(e)
}
def _deploy_governance_automation(self) -> Dict[str, Any]:
"""Deploy Governance Automation"""
governance_template = {
"AWSTemplateFormatVersion": "2010-09-09",
"Description": "IAM Governance Automation Stack",
"Resources": {
# Lambda function for automated response
"IAMGovernanceLambdaRole": {
"Type": "AWS::IAM::Role",
"Properties": {
"AssumeRolePolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Principal": {
"Service": "lambda.amazonaws.com"
},
"Action": "sts:AssumeRole"
}
]
},
"ManagedPolicyArns": [
"arn:aws:iam::aws:policy/service-role/AWSLambdaBasicExecutionRole"
],
"Policies": [
{
"PolicyName": "IAMGovernancePolicy",
"PolicyDocument": {
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"iam:TagUser",
"iam:TagRole",
"iam:GetUser",
"iam:GetRole",
"ses:SendEmail",
"sns:Publish"
],
"Resource": "*"
}
]
}
}
]
}
},
# EventBridge rule for monitoring IAM events
"IAMUserCreationRule": {
"Type": "AWS::Events::Rule",
"Properties": {
"EventPattern": {
"source": ["aws.iam"],
"detail-type": ["AWS API Call via CloudTrail"],
"detail": {
"eventSource": ["iam.amazonaws.com"],
"eventName": ["CreateUser"]
}
},
"Targets": [
{
"Id": "IAMUserCreationTarget",
"Arn": {"Fn::GetAtt": ["IAMUserCreationFunction", "Arn"]}
}
]
}
},
# SNS topic for alerts
"SecurityAlertsTopic": {
"Type": "AWS::SNS::Topic",
"Properties": {
"TopicName": "iam-security-alerts",
"Subscription": [
{
"Protocol": "email",
"Endpoint": "security@company.com"
}
]
}
}
}
}
try:
response = self.cloudformation.create_stack(
StackName='iam-governance-automation',
TemplateBody=json.dumps(governance_template),
Capabilities=['CAPABILITY_IAM'],
Tags=[
{
'Key': 'Project',
'Value': 'IAMGovernance'
}
]
)
return {
'status': 'success',
'stack_id': response['StackId']
}
except Exception as e:
return {
'status': 'failed',
'error': str(e)
}
def _deploy_monitoring_stack(self) -> Dict[str, Any]:
"""Deploy Monitoring Stack"""
# Deploy CloudWatch Dashboard and Alarms
try:
dashboard_body = {
"widgets": [
{
"type": "metric",
"properties": {
"metrics": [
["AWS/IAM", "NumberOfUsers"],
["AWS/IAM", "NumberOfRoles"],
["AWS/IAM", "NumberOfPolicies"]
],
"period": 3600,
"stat": "Average",
"region": "us-east-1",
"title": "IAM Resource Count"
}
}
]
}
cloudwatch = boto3.client('cloudwatch')
cloudwatch.put_dashboard(
DashboardName='enterprise-iam-overview',
DashboardBody=json.dumps(dashboard_body)
)
return {
'status': 'success',
'dashboard_name': 'enterprise-iam-overview'
}
except Exception as e:
return {
'status': 'failed',
'error': str(e)
}
def _validate_deployment(self) -> Dict[str, Any]:
"""Validate Deployment Results"""
validation_results = {
'foundation_stack': self._check_stack_status('enterprise-iam-foundation'),
'governance_stack': self._check_stack_status('iam-governance-automation'),
'iam_resources': self._validate_iam_resources(),
'permissions_test': self._test_permissions()
}
return validation_results
def _check_stack_status(self, stack_name: str) -> str:
"""Check stack status"""
try:
response = self.cloudformation.describe_stacks(StackName=stack_name)
return response['Stacks'][0]['StackStatus']
except:
return 'NOT_FOUND'
def _validate_iam_resources(self) -> Dict[str, bool]:
"""Validate IAM resources"""
validation = {}
try:
# Check permission boundary policy
self.iam.get_policy(PolicyArn='arn:aws:iam::123456789012:policy/DeveloperPermissionsBoundary')
validation['developer_boundary'] = True
except:
validation['developer_boundary'] = False
try:
# Check cross-account audit role
self.iam.get_role(RoleName='CrossAccountAuditRole')
validation['audit_role'] = True
except:
validation['audit_role'] = False
return validation
def _test_permissions(self) -> Dict[str, bool]:
"""Test permission configuration"""
# Actual permission testing logic can be added here
return {
'developer_access': True,
'admin_access': True,
'cross_account_access': True
}
# Main deployment function
def main():
"""Main deployment process"""
print("Starting enterprise IAM architecture deployment...")
# Initialize deployer
deployer = EnterpriseIAMDeployment()
# Execute complete deployment
deployment_results = deployer.deploy_complete_iam_infrastructure()
print("\nDeployment Results Summary:")
print("=" * 50)
for component, result in deployment_results.items():
if isinstance(result, dict) and 'status' in result:
status = "✅ Success" if result['status'] == 'success' else "❌ Failed"
print(f"{component}: {status}")
if result['status'] == 'failed':
print(f" Error: {result.get('error', 'Unknown error')}")
else:
print(f"{component}: Completed")
print("\nDeployment complete!")
print("\nNext Steps:")
print("1. Verify all IAM resources are created correctly")
print("2. Test user and role permissions")
print("3. Configure monitoring alerts")
print("4. Perform security audits")
print("5. Train administrators and users")
if __name__ == "__main__":
main()Project Summary
Architecture Features
This enterprise IAM architecture has the following characteristics:
- Multi-layer Security Protection: Preventive control + Detective control + Responsive control
- Zero Trust Principle: Least privilege + Continuous verification + Dynamic access control
- Automated Governance: Automated monitoring + Automated response + Automated reporting
- Scalable Design: Supports multi-account + multi-environment + multi-department
- Compliance-Oriented: Built-in compliance checks + Audit trails + Regular reports
Key Technology Stack
- Identity Management: AWS SSO + SAML 2.0 + OIDC
- Permission Control: IAM Roles + Policies + Boundaries
- Governance Automation: Lambda + EventBridge + Config Rules
- Monitoring and Alerting: CloudWatch + CloudTrail + SNS
- Infrastructure: CloudFormation + Python + Boto3
Operations Recommendations
- Regular Review: Monthly permission review, quarterly architecture assessment
- Continuous Improvement: Optimize permission configuration based on monitoring data
- Security Training: Regular training for administrators and developers
- Disaster Recovery: Develop IAM-related disaster recovery plans
- Version Control: Include all IAM configurations under version control
Expansion Directions
- AI/ML Enhancement: Use machine learning to detect anomalous access patterns
- Zero Trust: Further deepen the implementation of Zero Trust architecture
- Multi-cloud Support: Extend unified identity management to other cloud platforms
- DevSecOps: Deeper integration of development, security, and operations
Through this practical project, you have mastered the complete knowledge and skills for designing and implementing enterprise-level IAM architecture, capable of providing professional identity and access management solutions for enterprises of different scales and needs.