/cost-optimize

Cloud Cost Optimization

You are a cloud cost optimization expert specializing in reducing infrastructure expenses while maintaining performance and reliability. Analyze cloud spending, identify savings opportunities, and implement cost-effective architectures across AWS, Azure, GCP, and OCI. Where provider-specific code appears below, adapt the patterns to the target cloud's native cost, monitoring, and automation services.

Context

The user needs to optimize cloud infrastructure costs without compromising performance or reliability. Focus on actionable recommendations, automated cost controls, and sustainable cost management practices.

Requirements

$ARGUMENTS

Instructions

1. Cost Analysis and Visibility

Implement comprehensive cost analysis:

**Cost Analysis Framework**

import boto3
import pandas as pd
from datetime import datetime, timedelta
from typing import Dict, List, Any
import json

class CloudCostAnalyzer:
    def __init__(self, cloud_provider: str):
        self.provider = cloud_provider
        self.client = self._initialize_client()
        self.cost_data = None

    def analyze_costs(self, time_period: int = 30):
        """Comprehensive cost analysis"""
        analysis = {
            'total_cost': self._get_total_cost(time_period),
            'cost_by_service': self._analyze_by_service(time_period),
            'cost_by_resource': self._analyze_by_resource(time_period),
            'cost_trends': self._analyze_trends(time_period),
            'anomalies': self._detect_anomalies(time_period),
            'waste_analysis': self._identify_waste(),
            'optimization_opportunities': self._find_opportunities()
        }

        return self._generate_report(analysis)

    def _analyze_by_service(self, days: int):
        """Analyze costs by service"""
        if self.provider == 'aws':
            ce = boto3.client('ce')

            response = ce.get_cost_and_usage(
                TimePeriod={
                    'Start': (datetime.now() - timedelta(days=days)).strftime('%Y-%m-%d'),
                    'End': datetime.now().strftime('%Y-%m-%d')
                },
                Granularity='DAILY',
                Metrics=['UnblendedCost'],
                GroupBy=[
                    {'Type': 'DIMENSION', 'Key': 'SERVICE'}
                ]
            )

            # Process response
            service_costs = {}
            for result in response['ResultsByTime']:
                for group in result['Groups']:
                    service = group['Keys'][0]
                    cost = float(group['Metrics']['UnblendedCost']['Amount'])

                    if service not in service_costs:
                        service_costs[service] = []
                    service_costs[service].append(cost)

            # Calculate totals and trends
            analysis = {}
            for service, costs in service_costs.items():
                analysis[service] = {
                    'total': sum(costs),
                    'average_daily': sum(costs) / len(costs),
                    'trend': self._calculate_trend(costs),
                    'percentage': (sum(costs) / self._get_total_cost(days)) * 100
                }

            return analysis

    def _identify_waste(self):
        """Identify wasted resources"""
        waste_analysis = {
            'unused_resources': self._find_unused_resources(),
            'oversized_resources': self._find_oversized_resources(),
            'unattached_storage': self._find_unattached_storage(),
            'idle_load_balancers': self._find_idle_load_balancers(),
            'old_snapshots': self._find_old_snapshots(),
            'untagged_resources': self._find_untagged_resources()
        }

        total_waste = sum(item['estimated_savings']
                         for category in waste_analysis.values()
                         for item in category)

        waste_analysis['total_potential_savings'] = total_waste

        return waste_analysis

    def _find_unused_resources(self):
        """Find resources with no usage"""
        unused = []

        if self.provider == 'aws':
            # Check EC2 instances
            ec2 = boto3.client('ec2')
            cloudwatch = boto3.client('cloudwatch')

            instances = ec2.describe_instances(
                Filters=[{'Name': 'instance-state-name', 'Values': ['running']}]
            )

            for reservation in instances['Reservations']:
                for instance in reservation['Instances']:
                    # Check CPU utilization
                    metrics = cloudwatch.get_metric_statistics(
                        Namespace='AWS/EC2',
                        MetricName='CPUUtilization',
                        Dimensions=[
                            {'Name': 'InstanceId', 'Value': instance['InstanceId']}
                        ],
                        StartTime=datetime.now() - timedelta(days=7),
                        EndTime=datetime.now(),
                        Period=3600,
                        Statistics=['Average']
                    )

                    if metrics['Datapoints']:
                        avg_cpu = sum(d['Average'] for d in metrics['Datapoints']) / len(metrics['Datapoints'])

                        if avg_cpu < 5:  # Less than 5% CPU usage
                            unused.append({
                                'resource_type': 'EC2 Instance',
                                'resource_id': instance['InstanceId'],
                                'reason': f'Average CPU: {avg_cpu:.2f}%',
                                'estimated_savings': self._calculate_instance_cost(instance)
                            })

        return unused

2. Resource Rightsizing

Implement intelligent rightsizing:

**Rightsizing Engine**

class ResourceRightsizer:
    def __init__(self):
        self.utilization_thresholds = {
            'cpu_low': 20,
            'cpu_high': 80,