cloud-cost-management

安装量: 134
排名: #6457

安装

npx skills add https://github.com/aj-geddes/useful-ai-prompts --skill cloud-cost-management

Cloud Cost Management Overview

Cloud cost management involves monitoring, analyzing, and optimizing cloud spending. Implement strategies using reserved instances, spot pricing, proper sizing, and cost allocation to maximize ROI and prevent budget overruns.

When to Use Reducing cloud infrastructure costs Optimizing compute spending Managing database costs Storage optimization Data transfer cost reduction Reserved capacity planning Chargeback and cost allocation Budget forecasting and alerts Implementation Examples 1. AWS Cost Optimization with AWS CLI

Enable Cost Explorer

aws ce get-cost-and-usage \ --time-period Start=2024-01-01,End=2024-01-31 \ --granularity MONTHLY \ --metrics "UnblendedCost" \ --group-by Type=DIMENSION,Key=SERVICE

List EC2 instances for right-sizing

aws ec2 describe-instances \ --query 'Reservations[].Instances[].[InstanceId,InstanceType,State.Name,LaunchTime,Tag]' \ --output table

Find unattached EBS volumes

aws ec2 describe-volumes \ --filters Name=status,Values=available \ --query 'Volumes[*].[VolumeId,Size,State,CreateTime]'

Identify unattached Elastic IPs

aws ec2 describe-addresses \ --query 'Addresses[?AssociationId==null]'

Get RDS instance costs

aws rds describe-db-instances \ --query 'DBInstances[*].[DBInstanceIdentifier,DBInstanceClass,StorageType,AllocatedStorage]'

Create budget alert

aws budgets create-budget \ --account-id 123456789012 \ --budget BudgetName=MyBudget,BudgetLimit='{Amount=1000,Unit=USD}',TimeUnit=MONTHLY,BudgetType=COST \ --notifications-with-subscribers \ 'Notification={NotificationType=ACTUAL,ComparisonOperator=GREATER_THAN,Threshold=80},Subscribers=[{SubscriptionType=EMAIL,Address=user@example.com}]'

List savings plans

aws savingsplans describe-savings-plans

Get reserved instances

aws ec2 describe-reserved-instances \ --query 'ReservedInstances[*].[ReservedInstancesId,InstanceType,State,OfferingType,Duration]'

  1. Terraform Cost Management Configuration

cost-management.tf

terraform { required_providers { aws = { source = "hashicorp/aws" version = "~> 5.0" } } }

provider "aws" { region = var.aws_region }

variable "monthly_budget" { default = 10000 description = "Monthly budget limit" }

CloudWatch Cost Anomaly Detection

resource "aws_ce_anomaly_monitor" "cost_anomaly" { monitor_name = "cost-anomaly-detection" monitor_type = "DIMENSIONAL" monitor_dimension = "SERVICE" monitor_specification = jsonencode({ Dimensions = { Key = "SERVICE" Values = ["Amazon EC2", "Amazon RDS", "AWS Lambda"] } }) }

Anomaly alert

resource "aws_ce_anomaly_subscription" "cost_alert" { account_id = data.aws_caller_identity.current.account_id display_name = "Cost Alert" threshold = 100 frequency = "DAILY" monitor_arn = aws_ce_anomaly_monitor.cost_anomaly.arn subscription_type = "EMAIL"

subscription_notification_type = "FORECASTED" }

Budget with alerts

resource "aws_budgets_budget" "monthly" { name = "monthly-budget" budget_type = "COST" limit_amount = var.monthly_budget limit_unit = "USD" time_period_start = "2024-01-01_00:00" time_period_end = "2099-12-31_23:59" time_unit = "MONTHLY"

tags = { Name = "monthly-budget" } }

Budget notification

resource "aws_budgets_budget_notification" "monthly_alert" { account_id = data.aws_caller_identity.current.account_id budget_name = aws_budgets_budget.monthly.name comparison_operator = "GREATER_THAN" notification_type = "ACTUAL" threshold = 80 threshold_type = "PERCENTAGE"

notification_subscribers { address = "user@example.com" subscription_type = "EMAIL" } }

Savings Plan Commitment

resource "aws_savingsplans_savings_plan" "compute" { commitment = 10000 payment_option = "ALL_UPFRONT" plan_type = "COMPUTE_SAVINGS_PLAN" term_in_months = 12

tags = { Name = "compute-savings" } }

Reserved Instances

resource "aws_ec2_instance" "app" { ami = "ami-0c55b159cbfafe1f0" instance_type = "t3.medium"

tags = { Name = "app-instance" } }

Reserve the instance

resource "aws_ec2_capacity_reservation" "app" { availability_zone = "us-east-1a" instance_count = 1 instance_platform = "Linux/UNIX" instance_type = aws_ec2_instance.app.instance_type reservation_type = "default"

tags = { Name = "app-reservation" } }

CloudWatch Dashboard for cost monitoring

resource "aws_cloudwatch_dashboard" "cost_dashboard" { dashboard_name = "cost-dashboard"

dashboard_body = jsonencode({ widgets = [ { type = "metric" properties = { metrics = [ ["AWS/Billing", "EstimatedCharges", { stat = "Average" }] ] period = 86400 stat = "Average" region = var.aws_region title = "Estimated Monthly Charges" yAxis = { left = { min = 0 } } } } ] }) }

Data for current account

data "aws_caller_identity" "current" {}

Tag compliance and cost allocation

resource "aws_ec2_instance" "tagged_instance" { ami = "ami-0c55b159cbfafe1f0" instance_type = "t3.small"

tags = { Name = "cost-tracked-instance" CostCenter = "engineering" Environment = "production" Project = "web-app" ManagedBy = "terraform" ChargebackEmail = "ops@example.com" } }

  1. Azure Cost Management

Install Azure CLI

curl -sL https://aka.ms/InstallAzureCLIDeb | bash

Get cost analysis

az costmanagement query \ --timeframe MonthToDate \ --type Usage \ --dataset aggregation='{"totalCost":{"name":"PreTaxCost","function":"Sum"}}' \ --dataset grouping='[{"type":"Dimension","name":"ResourceType"}]'

Create budget alert

az consumption budget create \ --name MyBudget \ --category Cost \ --amount 5000 \ --time-grain Monthly \ --start-date 2024-01-01 \ --notifications-enabled True

List recommendations

az advisor recommendation list \ --category Cost

Export cost data

az costmanagement export create \ --name MonthlyExport \ --dataset aggregation='{"totalCost":{"name":"PreTaxCost","function":"Sum"}}' \ --timeframe TheLastMonth \ --schedule-status Active

Get VM sizing recommendations

az advisor recommendation list \ --category Performance \ --query "[?properties.category=='Compute']"

  1. GCP Cost Optimization

Get billing data

gcloud billing accounts list

Create budget

gcloud billing budgets create \ --billing-account=BILLING_ACCOUNT_ID \ --display-name="Monthly Budget" \ --budget-amount=10000 \ --threshold-rule=percent=50 \ --threshold-rule=percent=90 \ --threshold-rule=percent=100

List cost recommendations

gcloud compute instances list \ --format='table(name,machineType.machine_type(),CPUS:format="@(scheduling.nodeAffinities[0].nodeAffinities[0].key): \ (@(scheduling.nodeAffinities[0].nodeAffinities[0].values[0]))")'

Enable committed use discounts

gcloud compute commitments create my-commitment \ --plan=one-year \ --resources=RESOURCE_TYPE=INSTANCES,RESOURCE_SPEC=MACHINE_TYPE=n1-standard-4,COUNT=10 \ --region=us-central1

Get storage cost estimate

gsutil du -s gs://my-bucket

  1. Cost Monitoring Dashboard

Python cost monitoring tool

import boto3 from datetime import datetime, timedelta from typing import Dict, List import json

class CloudCostMonitor: def init(self): self.ce_client = boto3.client('ce') self.ec2_client = boto3.client('ec2') self.rds_client = boto3.client('rds')

def get_monthly_costs_by_service(self, months=3) -> Dict:
    """Get monthly costs breakdown by service"""
    end_date = datetime.now().date()
    start_date = end_date - timedelta(days=30*months)

    response = self.ce_client.get_cost_and_usage(
        TimePeriod={
            'Start': start_date.isoformat(),
            'End': end_date.isoformat()
        },
        Granularity='MONTHLY',
        Metrics=['UnblendedCost'],
        GroupBy=[
            {'Type': 'DIMENSION', 'Key': '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 costs:
                costs[service] = []
            costs[service].append({
                'date': result['TimePeriod']['Start'],
                'cost': cost
            })

    return costs

def identify_savings_opportunities(self) -> Dict:
    """Identify resources that can be optimized"""
    opportunities = {
        'unattached_ebs_volumes': [],
        'unassociated_eips': [],
        'underutilized_instances': [],
        'unattached_network_interfaces': []
    }

    # Check EBS volumes
    volumes_response = self.ec2_client.describe_volumes(
        Filters=[{'Name': 'status', 'Values': ['available']}]
    )

    for volume in volumes_response['Volumes']:
        opportunities['unattached_ebs_volumes'].append({
            'volume_id': volume['VolumeId'],
            'size_gb': volume['Size'],
            'estimated_monthly_cost': volume['Size'] * 0.10
        })

    # Check Elastic IPs
    addresses_response = self.ec2_client.describe_addresses()

    for address in addresses_response['Addresses']:
        if 'AssociationId' not in address:
            opportunities['unassociated_eips'].append({
                'public_ip': address['PublicIp'],
                'estimated_monthly_cost': 3.60
            })

    # Check underutilized instances
    instances_response = self.ec2_client.describe_instances()

    for reservation in instances_response['Reservations']:
        for instance in reservation['Instances']:
            opportunities['underutilized_instances'].append({
                'instance_id': instance['InstanceId'],
                'instance_type': instance['InstanceType'],
                'state': instance['State']['Name'],
                'recommendation': 'Consider downsizing or terminating'
            })

    return opportunities

def calculate_potential_savings(self, opportunities: Dict) -> Dict:
    """Calculate potential monthly savings"""
    savings = {
        'ebs_volumes': sum(op['estimated_monthly_cost'] for op in opportunities['unattached_ebs_volumes']),
        'eips': sum(op['estimated_monthly_cost'] for op in opportunities['unassociated_eips']),
        'total_monthly': 0
    }

    savings['total_monthly'] = savings['ebs_volumes'] + savings['eips']
    savings['total_annual'] = savings['total_monthly'] * 12

    return savings

def generate_cost_report(self) -> str:
    """Generate comprehensive cost report"""
    costs_by_service = self.get_monthly_costs_by_service()
    opportunities = self.identify_savings_opportunities()
    savings = self.calculate_potential_savings(opportunities)

    report = f"""
    ===== CLOUD COST REPORT =====
    Generated: {datetime.now().isoformat()}

    CURRENT COSTS BY SERVICE:
    """

    for service, costs in costs_by_service.items():
        total = sum(c['cost'] for c in costs)
        report += f"\n{service}: ${total:.2f}"

    report += f"""

    SAVINGS OPPORTUNITIES:
    - Unattached EBS Volumes: ${savings['ebs_volumes']:.2f}/month
    - Unassociated EIPs: ${savings['eips']:.2f}/month

    POTENTIAL MONTHLY SAVINGS: ${savings['total_monthly']:.2f}
    POTENTIAL ANNUAL SAVINGS: ${savings['total_annual']:.2f}
    """

    return report

Usage

monitor = CloudCostMonitor() print(monitor.generate_cost_report())

Best Practices ✅ DO Use Reserved Instances for stable workloads Implement Savings Plans for flexibility Right-size instances based on metrics Use Spot Instances for fault-tolerant workloads Delete unused resources regularly Enable detailed billing and cost allocation Monitor costs with CloudWatch/Cost Explorer Set budget alerts Review monthly cost reports ❌ DON'T Leave unused resources running Ignore cost optimization recommendations Use on-demand for predictable workloads Skip tagging resources Ignore data transfer costs Forget about storage lifecycle policies Cost Optimization Strategies Reserved Instances: 20-40% savings Spot Instances: 70-90% savings Savings Plans: 15-30% savings Storage optimization: 30-50% savings Data transfer optimization: 10-20% savings Resources AWS Cost Management Azure Cost Management GCP Cost Optimization FinOps Foundation

返回排行榜