cost

Documentation

Overview

Package cost provides comprehensive cost analysis testing utilities for AWS service usage validation.

Index

• func RunCostAnalysis(t *testing.T, testCases []CostTestCase)
• func TestCostOptimization(t *testing.T, baseline, optimized func(*CostAnalyzer))
• type CostAnalyzer
  • func NewCostAnalyzer(config *CostConfig) *CostAnalyzer
  • func (ca *CostAnalyzer) GetCostReport() *CostReport
  • func (ca *CostAnalyzer) TrackAPIGatewayRequest(dataTransferBytes int64)
  • func (ca *CostAnalyzer) TrackDynamoDBOperation(operation string, consumedRCU, consumedWCU float64)
  • func (ca *CostAnalyzer) TrackLambdaInvocation(duration time.Duration, memoryMB int)
  • func (ca *CostAnalyzer) TrackS3Operation(operation string, sizeBytes int64)
• type CostBudgetAlert
  • func CheckBudgets(report *CostReport, budgets map[string]float64) []CostBudgetAlert
• type CostConfig
  • func DefaultCostConfig() *CostConfig
• type CostEfficiencyMetric
  • func CalculateCostEfficiency(report *CostReport, operations int64) []CostEfficiencyMetric
• type CostMetricsCollector
• type CostReport
  • func SimulateCost(scenario CostScenario, config *CostConfig) *CostReport
• type CostScenario
• type CostTestCase
• type MonthlyProjection
  • func ProjectMonthlyCost(analyzer *CostAnalyzer, dailyMultiplier int) []MonthlyProjection
• type ServiceCostBreakdown
• type ServiceMetrics

Functions

func RunCostAnalysis

func RunCostAnalysis(t *testing.T, testCases []CostTestCase)

RunCostAnalysis runs cost analysis tests

func TestCostOptimization

func TestCostOptimization(t *testing.T, baseline, optimized func(*CostAnalyzer))

TestCostOptimization tests cost optimization strategies

Types

type CostAnalyzer

type CostAnalyzer struct {
	// contains filtered or unexported fields
}

CostAnalyzer analyzes AWS service costs

func NewCostAnalyzer

func NewCostAnalyzer(config *CostConfig) *CostAnalyzer

NewCostAnalyzer creates a new cost analyzer

func (*CostAnalyzer) GetCostReport

func (ca *CostAnalyzer) GetCostReport() *CostReport

GetCostReport generates a cost report

func (*CostAnalyzer) TrackAPIGatewayRequest

func (ca *CostAnalyzer) TrackAPIGatewayRequest(dataTransferBytes int64)

TrackAPIGatewayRequest tracks API Gateway request cost

func (*CostAnalyzer) TrackDynamoDBOperation

func (ca *CostAnalyzer) TrackDynamoDBOperation(operation string, consumedRCU, consumedWCU float64)

TrackDynamoDBOperation tracks DynamoDB operation cost

func (*CostAnalyzer) TrackLambdaInvocation

func (ca *CostAnalyzer) TrackLambdaInvocation(duration time.Duration, memoryMB int)

TrackLambdaInvocation tracks Lambda invocation cost

func (*CostAnalyzer) TrackS3Operation

func (ca *CostAnalyzer) TrackS3Operation(operation string, sizeBytes int64)

TrackS3Operation tracks S3 operation cost

type CostBudgetAlert

type CostBudgetAlert struct {
	Service     string
	CurrentCost float64
	BudgetLimit float64
	PercentUsed float64
	AlertLevel  string // "warning", "critical"
}

CostBudgetAlert checks if costs exceed budget

func CheckBudgets

func CheckBudgets(report *CostReport, budgets map[string]float64) []CostBudgetAlert

CheckBudgets checks costs against budgets

type CostConfig

type CostConfig struct {
	// Lambda pricing (per million requests and per GB-second)
	LambdaRequestCost  float64 // per million requests
	LambdaGBSecondCost float64 // per GB-second

	// DynamoDB pricing
	DynamoDBReadCost    float64 // per RCU per hour
	DynamoDBWriteCost   float64 // per WCU per hour
	DynamoDBStorageCost float64 // per GB per month
	DynamoDBStreamCost  float64 // per million read requests

	// S3 pricing
	S3StorageCost  float64 // per GB per month
	S3RequestCost  float64 // per 1000 requests
	S3TransferCost float64 // per GB

	// API Gateway pricing
	APIGatewayRequestCost  float64 // per million requests
	APIGatewayDataTransfer float64 // per GB

	// CloudWatch pricing
	CloudWatchLogsCost    float64 // per GB ingested
	CloudWatchMetricsCost float64 // per metric per month
}

CostConfig defines AWS service pricing

func DefaultCostConfig

func DefaultCostConfig() *CostConfig

DefaultCostConfig returns default AWS pricing (US East 1)

type CostEfficiencyMetric

type CostEfficiencyMetric struct {
	Name        string
	Value       float64
	Unit        string
	Benchmark   float64
	IsEfficient bool
}

CostEfficiencyMetric represents a cost efficiency metric

func CalculateCostEfficiency

func CalculateCostEfficiency(report *CostReport, operations int64) []CostEfficiencyMetric

CalculateCostEfficiency calculates cost efficiency metrics

type CostMetricsCollector

type CostMetricsCollector struct {
	// contains filtered or unexported fields
}

CostMetricsCollector collects cost metrics

type CostReport

type CostReport struct {
	Services    map[string]*ServiceCostBreakdown
	TotalCost   float64
	GeneratedAt time.Time
}

CostReport represents a cost analysis report

func SimulateCost

func SimulateCost(scenario CostScenario, config *CostConfig) *CostReport

SimulateCost simulates costs for a scenario

type CostScenario

type CostScenario struct {
	Name            string
	UserCount       int
	RequestsPerUser int
	DataPerUser     int64 // bytes
	Duration        time.Duration
}

CostScenario simulates costs for different scenarios

type CostTestCase

type CostTestCase struct {
	Name            string
	Scenario        func(*CostAnalyzer)
	ExpectedMaxCost float64
	ValidateFunc    func(*testing.T, *CostReport)
}

CostTestCase defines a cost analysis test case

type MonthlyProjection

type MonthlyProjection struct {
	Service         string
	DailyOperations int64
	AverageSize     int64
	ProjectedCost   float64
}

MonthlyProjection projects monthly costs

func ProjectMonthlyCost

func ProjectMonthlyCost(analyzer *CostAnalyzer, dailyMultiplier int) []MonthlyProjection

ProjectMonthlyCost projects monthly costs based on daily usage

type ServiceCostBreakdown

type ServiceCostBreakdown struct {
	Service       string
	TotalCost     float64
	Operations    map[string]int64
	ResourceUsage map[string]float64
}

ServiceCostBreakdown represents cost breakdown for a service

type ServiceMetrics

type ServiceMetrics struct {
	Service        string
	OperationCount map[string]int64
	ResourceUsage  map[string]float64
	TotalCost      float64
	StartTime      time.Time
	EndTime        time.Time
}

ServiceMetrics tracks metrics for a service