Establish daily operational procedures to maintain and optimize the Identity Governance system, including automation workflows and operational procedures.
IdentityGovernanceOperations
DailyOperationsEngine
import json
import boto3
from datetime import datetime, timedelta
from decimal import Decimal
def lambda_handler(event, context):
print("Daily Operations Engine Started")
# Initialize AWS clients
dynamodb = boto3.resource('dynamodb')
sns = boto3.client('sns')
ses = boto3.client('ses')
try:
# Perform daily operations
operations_report = perform_daily_operations(dynamodb)
# Generate daily report
daily_report = generate_daily_report(operations_report)
# Send notifications
send_daily_notifications(sns, ses, daily_report)
# Store operations log
store_operations_log(dynamodb, operations_report)
return {
'statusCode': 200,
'body': json.dumps({
'message': 'Daily operations completed',
'report': daily_report
})
}
except Exception as e:
print(f'Error in daily operations: {str(e)}')
return {
'statusCode': 500,
'body': json.dumps(f'Error: {str(e)}')
}
def perform_daily_operations(dynamodb):
"""Perform daily operational tasks"""
operations_report = {
'date': datetime.now().strftime('%Y-%m-%d'),
'certification_status': check_certification_status(dynamodb),
'risk_summary': get_risk_summary(dynamodb),
'system_health': check_system_health(dynamodb),
'compliance_status': check_compliance_status(dynamodb)
}
return operations_report
def check_certification_status(dynamodb):
"""Check certification status for the day"""
table = dynamodb.Table('AccessCertifications')
# Get certifications from last 24 hours
yesterday = (datetime.now() - timedelta(days=1)).isoformat()
response = table.scan(
FilterExpression='CertificationDate > :date',
ExpressionAttributeValues={':date': yesterday}
)
total_certifications = len(response['Items'])
# Count by status
status_counts = {}
for item in response['Items']:
status = item.get('Status', 'Unknown')
status_counts[status] = status_counts.get(status, 0) + 1
return {
'total_certifications': total_certifications,
'status_breakdown': status_counts,
'completion_rate': calculate_completion_rate(status_counts)
}
def get_risk_summary(dynamodb):
"""Get current risk summary"""
table = dynamodb.Table('RiskAssessments')
# Get latest risk assessments
response = table.scan(
FilterExpression='AssessmentType = :type',
ExpressionAttributeValues={':type': 'User Risk Assessment'}
)
risk_summary = {'LOW': 0, 'MEDIUM': 0, 'HIGH': 0, 'CRITICAL': 0}
total_users = 0
for item in response['Items']:
risk_level = item.get('RiskLevel', 'LOW')
if risk_level in risk_summary:
risk_summary[risk_level] += 1
total_users += 1
return {
'total_users': total_users,
'risk_distribution': risk_summary,
'high_risk_percentage': ((risk_summary['HIGH'] + risk_summary['CRITICAL']) / max(total_users, 1)) * 100
}
def check_system_health(dynamodb):
"""Check overall system health"""
# Check if all components are functioning
health_status = {
'certification_engine': check_lambda_health('AccessCertificationTrigger'),
'privilege_analytics': check_lambda_health('PrivilegeAnalyticsEngine'),
'risk_assessment': check_lambda_health('RiskAssessmentEngine'),
'custom_metrics': check_lambda_health('CustomMetricsPublisher'),
'database_health': check_dynamodb_health(dynamodb)
}
overall_health = all(health_status.values())
return {
'overall_status': 'HEALTHY' if overall_health else 'DEGRADED',
'component_status': health_status
}
def check_compliance_status(dynamodb):
"""Check compliance status"""
# Calculate compliance metrics
cert_table = dynamodb.Table('AccessCertifications')
risk_table = dynamodb.Table('RiskAssessments')
# Get recent certifications
thirty_days_ago = (datetime.now() - timedelta(days=30)).isoformat()
cert_response = cert_table.scan(
FilterExpression='CertificationDate > :date',
ExpressionAttributeValues={':date': thirty_days_ago}
)
recent_certifications = len(cert_response['Items'])
# Get high-risk users
risk_response = risk_table.scan(
FilterExpression='AssessmentType = :type AND RiskLevel IN (:high, :critical)',
ExpressionAttributeValues={
':type': 'User Risk Assessment',
':high': 'HIGH',
':critical': 'CRITICAL'
}
)
high_risk_users = len(risk_response['Items'])
# Calculate compliance score
compliance_score = calculate_compliance_score(recent_certifications, high_risk_users)
return {
'compliance_score': compliance_score,
'recent_certifications': recent_certifications,
'high_risk_users': high_risk_users,
'status': 'COMPLIANT' if compliance_score >= 80 else 'NON_COMPLIANT'
}
def calculate_completion_rate(status_counts):
"""Calculate certification completion rate"""
total = sum(status_counts.values())
completed = status_counts.get('Completed', 0) + status_counts.get('Approved', 0)
return (completed / max(total, 1)) * 100
def check_lambda_health(function_name):
"""Check Lambda function health (simplified)"""
# In real implementation, check CloudWatch metrics
return True
def check_dynamodb_health(dynamodb):
"""Check DynamoDB health"""
try:
# Simple health check by listing tables
tables = ['AccessCertifications', 'RiskAssessments']
for table_name in tables:
table = dynamodb.Table(table_name)
table.table_status # This will raise exception if table doesn't exist
return True
except Exception:
return False
def calculate_compliance_score(recent_certs, high_risk_users):
"""Calculate overall compliance score"""
base_score = 100
# Deduct points for lack of recent certifications
if recent_certs < 10:
base_score -= 20
elif recent_certs < 20:
base_score -= 10
# Deduct points for high-risk users
if high_risk_users > 10:
base_score -= 30
elif high_risk_users > 5:
base_score -= 15
elif high_risk_users > 0:
base_score -= 5
return max(base_score, 0)
def generate_daily_report(operations_report):
"""Generate daily operations report"""
report = {
'date': operations_report['date'],
'summary': {
'total_certifications': operations_report['certification_status']['total_certifications'],
'completion_rate': round(operations_report['certification_status']['completion_rate'], 2),
'high_risk_users': operations_report['risk_summary']['risk_distribution']['HIGH'] +
operations_report['risk_summary']['risk_distribution']['CRITICAL'],
'system_status': operations_report['system_health']['overall_status'],
'compliance_score': operations_report['compliance_status']['compliance_score']
},
'recommendations': generate_recommendations(operations_report)
}
return report
def generate_recommendations(operations_report):
"""Generate operational recommendations"""
recommendations = []
# Check completion rate
completion_rate = operations_report['certification_status']['completion_rate']
if completion_rate < 80:
recommendations.append("Low certification completion rate. Consider sending reminder notifications.")
# Check high-risk users
high_risk_count = (operations_report['risk_summary']['risk_distribution']['HIGH'] +
operations_report['risk_summary']['risk_distribution']['CRITICAL'])
if high_risk_count > 5:
recommendations.append(f"High number of high-risk users ({high_risk_count}). Review and remediate immediately.")
# Check system health
if operations_report['system_health']['overall_status'] != 'HEALTHY':
recommendations.append("System health degraded. Check component status and resolve issues.")
# Check compliance
if operations_report['compliance_status']['status'] != 'COMPLIANT':
recommendations.append("Compliance status is non-compliant. Review certification and risk management processes.")
return recommendations
def send_daily_notifications(sns, ses, daily_report):
"""Send daily notifications"""
# Prepare notification message
message = format_daily_report_message(daily_report)
# Send SNS notification
try:
sns.publish(
TopicArn='arn:aws:sns:region:account:RiskAssessmentAlerts', # Update with actual ARN
Subject='Daily Identity Governance Report',
Message=message
)
except Exception as e:
print(f'Error sending SNS notification: {str(e)}')
def format_daily_report_message(report):
"""Format daily report message"""
message = f"""
Daily Identity Governance Report - {report['date']}
SUMMARY:
- Total Certifications: {report['summary']['total_certifications']}
- Completion Rate: {report['summary']['completion_rate']}%
- High Risk Users: {report['summary']['high_risk_users']}
- System Status: {report['summary']['system_status']}
- Compliance Score: {report['summary']['compliance_score']}
RECOMMENDATIONS:
"""
for rec in report['recommendations']:
message += f"- {rec}\n"
return message
def store_operations_log(dynamodb, operations_report):
"""Store daily operations log"""
table = dynamodb.Table('RiskAssessments')
table.put_item(
Item={
'AssessmentId': f"daily-ops-{operations_report['date']}",
'AssessmentType': 'Daily Operations Report',
'Date': operations_report['date'],
'CertificationCount': operations_report['certification_status']['total_certifications'],
'CompletionRate': Decimal(str(operations_report['certification_status']['completion_rate'])),
'HighRiskUsers': operations_report['risk_summary']['risk_distribution']['HIGH'] +
operations_report['risk_summary']['risk_distribution']['CRITICAL'],
'SystemStatus': operations_report['system_health']['overall_status'],
'ComplianceScore': operations_report['compliance_status']['compliance_score'],
'ComplianceStatus': operations_report['compliance_status']['status']
}
)
DailyOperationsSchedule
cron(0 8 * * ? *)
# Daily at 8:00 AMDailyOperationsEngine
WeeklyOperationsReview
cron(0 9 ? * MON *)
# Every Monday at 9:00 AMDailyOperationsAlerts
identity-governance-runbooks
/sop/
- Standard Operating Procedures/runbooks/
- Incident Response Runbooks/templates/
- Document TemplatesAfter completion:
Proceed to 9. Audit Procedures to set up audit processes and compliance procedures. � �