Help us shape the future of Go! Take the 2026 Go Developer Survey

cost

package
v0.7.2 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jan 24, 2026 License: Apache-2.0 Imports: 7 Imported by: 0

Documentation

Overview

Package cost provides advanced cost optimization and alerting features

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Alert 

type Alert struct {
	ID           string                 `json:"id"`
	Type         AlertType              `json:"type"`
	Severity     AlertSeverity          `json:"severity"`
	ProjectID    string                 `json:"project_id"`
	InstanceID   string                 `json:"instance_id,omitempty"`
	Timestamp    time.Time              `json:"timestamp"`
	Message      string                 `json:"message"`
	Details      map[string]interface{} `json:"details"`
	Acknowledged bool                   `json:"acknowledged"`
	AutoResolved bool                   `json:"auto_resolved"`
	ResolvedAt   *time.Time             `json:"resolved_at,omitempty"`
	Actions      []AlertAction          `json:"actions"`
}

Alert represents a cost alert

type AlertAction 

type AlertAction struct {
	Type        string     `json:"type"` // hibernate, stop, terminate, notify
	Description string     `json:"description"`
	Automated   bool       `json:"automated"` // Whether action is taken automatically
	ExecutedAt  *time.Time `json:"executed_at,omitempty"`
}

AlertAction represents an action that can be taken for an alert

type AlertConditions 

type AlertConditions struct {
	// Threshold conditions
	BudgetPercentage    *float64 `json:"budget_percentage,omitempty"`
	DailyCostThreshold  *float64 `json:"daily_cost_threshold,omitempty"`
	HourlyCostThreshold *float64 `json:"hourly_cost_threshold,omitempty"`

	// Trend conditions
	CostIncreasePercent *float64 `json:"cost_increase_percent,omitempty"`
	TrendWindow         string   `json:"trend_window,omitempty"` // 1h, 24h, 7d, 30d

	// Anomaly conditions
	StandardDeviations *float64 `json:"standard_deviations,omitempty"`
	BaselineWindow     string   `json:"baseline_window,omitempty"`
}

AlertConditions defines conditions for triggering an alert

type AlertManager 

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

AlertManager manages cost alerts

func NewAlertManager 

func NewAlertManager(costDataProvider CostDataProvider) *AlertManager

NewAlertManager creates a new alert manager

func (*AlertManager) AcknowledgeAlert 

func (am *AlertManager) AcknowledgeAlert(alertID string) error

AcknowledgeAlert marks an alert as acknowledged

func (*AlertManager) AddRule 

func (am *AlertManager) AddRule(rule *AlertRule) error

AddRule adds a new alert rule

func (*AlertManager) CreateDefaultRules 

func (am *AlertManager) CreateDefaultRules()

CreateDefaultRules creates default alert rules

func (*AlertManager) GetActiveAlerts 

func (am *AlertManager) GetActiveAlerts() []*Alert

GetActiveAlerts returns unresolved alerts

func (*AlertManager) GetAlerts 

func (am *AlertManager) GetAlerts() []*Alert

GetAlerts returns all alerts

func (*AlertManager) ResolveAlert 

func (am *AlertManager) ResolveAlert(alertID string) error

ResolveAlert marks an alert as resolved

func (*AlertManager) Start 

func (am *AlertManager) Start()

Start begins alert monitoring

func (*AlertManager) Stop 

func (am *AlertManager) Stop()

Stop stops alert monitoring

func (*AlertManager) Subscribe 

func (am *AlertManager) Subscribe(subscriber AlertSubscriber)

Subscribe adds an alert subscriber

type AlertRule 

type AlertRule struct {
	ID            string          `json:"id"`
	Name          string          `json:"name"`
	Type          AlertType       `json:"type"`
	Enabled       bool            `json:"enabled"`
	ProjectID     string          `json:"project_id,omitempty"` // Specific project, empty means all projects
	Conditions    AlertConditions `json:"conditions"`
	Actions       []string        `json:"actions"`  // Actions to take when triggered
	Cooldown      time.Duration   `json:"cooldown"` // Minimum time between alerts
	LastTriggered *time.Time      `json:"last_triggered,omitempty"`
}

AlertRule defines a rule for generating alerts

type AlertSeverity 

type AlertSeverity string

AlertSeverity defines the severity of an alert 

const (
	AlertSeverityInfo     AlertSeverity = "info"
	AlertSeverityWarning  AlertSeverity = "warning"
	AlertSeverityCritical AlertSeverity = "critical"
)

type AlertSubscriber 

type AlertSubscriber interface {
	OnAlert(alert *Alert)
}

AlertSubscriber receives alert notifications

type AlertType 

type AlertType string

AlertType defines the type of cost alert 

const (
	AlertTypeThreshold    AlertType = "threshold"    // Budget threshold exceeded
	AlertTypeAnomaly      AlertType = "anomaly"      // Unusual spending pattern
	AlertTypeProjection   AlertType = "projection"   // Projected to exceed budget
	AlertTypeTrend        AlertType = "trend"        // Concerning cost trend
	AlertTypeOptimization AlertType = "optimization" // Cost optimization opportunity
)

type BudgetTrackerAdapter 

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

BudgetTrackerAdapter adapts a BudgetTracker to the CostDataProvider interface

func NewBudgetTrackerAdapter 

func NewBudgetTrackerAdapter(
	getBudgetDataFunc func(projectID string) (float64, float64, float64, []float64, error),
	getAllProjectsFunc func() ([]string, error),
) *BudgetTrackerAdapter

NewBudgetTrackerAdapter creates a new adapter for a budget tracker

func (*BudgetTrackerAdapter) GetAllProjectIDs 

func (bta *BudgetTrackerAdapter) GetAllProjectIDs() ([]string, error)

GetAllProjectIDs returns all project IDs being tracked

func (*BudgetTrackerAdapter) GetProjectBudget 

func (bta *BudgetTrackerAdapter) GetProjectBudget(projectID string) (float64, error)

GetProjectBudget returns the budget for a project

func (*BudgetTrackerAdapter) GetProjectCostHistory 

func (bta *BudgetTrackerAdapter) GetProjectCostHistory(projectID string, days int) ([]float64, error)

GetProjectCostHistory returns cost history for calculating trends/anomalies

func (*BudgetTrackerAdapter) GetProjectCurrentCost 

func (bta *BudgetTrackerAdapter) GetProjectCurrentCost(projectID string) (float64, error)

GetProjectCurrentCost returns the current cost for a project

func (*BudgetTrackerAdapter) GetProjectDailyCost 

func (bta *BudgetTrackerAdapter) GetProjectDailyCost(projectID string) (float64, error)

GetProjectDailyCost returns the daily cost for a project

type CostDataProvider 

type CostDataProvider interface {
	// GetProjectCurrentCost returns the current cost for a project
	GetProjectCurrentCost(projectID string) (float64, error)
	// GetProjectBudget returns the budget for a project
	GetProjectBudget(projectID string) (float64, error)
	// GetProjectDailyCost returns the daily cost for a project
	GetProjectDailyCost(projectID string) (float64, error)
	// GetProjectCostHistory returns cost history for calculating trends/anomalies
	GetProjectCostHistory(projectID string, days int) ([]float64, error)
	// GetAllProjectIDs returns all project IDs being tracked
	GetAllProjectIDs() ([]string, error)
}

CostDataProvider defines the interface for retrieving cost data

type CostOptimizer 

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

CostOptimizer analyzes usage patterns and provides optimization recommendations

func NewCostOptimizer 

func NewCostOptimizer() *CostOptimizer

NewCostOptimizer creates a new cost optimizer

func (*CostOptimizer) AnalyzeInstance 

func (co *CostOptimizer) AnalyzeInstance(instance *types.Instance) []*Recommendation

AnalyzeInstance analyzes an instance for optimization opportunities

func (*CostOptimizer) AnalyzeProject 

func (co *CostOptimizer) AnalyzeProject(projectID string, instances []*types.Instance) []*Recommendation

AnalyzeProject analyzes a project for optimization opportunities

func (*CostOptimizer) CalculateTotalSavings 

func (co *CostOptimizer) CalculateTotalSavings(recommendations []*Recommendation) float64

CalculateTotalSavings calculates total potential savings

func (*CostOptimizer) GenerateOptimizationReport 

func (co *CostOptimizer) GenerateOptimizationReport(projectID string, instances []*types.Instance) *OptimizationReport

GenerateOptimizationReport generates a comprehensive optimization report

func (*CostOptimizer) GetTopRecommendations 

func (co *CostOptimizer) GetTopRecommendations(recommendations []*Recommendation, n int) []*Recommendation

GetTopRecommendations returns the top N recommendations

type OptimizationReport 

type OptimizationReport struct {
	ProjectID          string                 `json:"project_id"`
	GeneratedAt        time.Time              `json:"generated_at"`
	TotalInstances     int                    `json:"total_instances"`
	Recommendations    []*Recommendation      `json:"recommendations"`
	TotalSavings       float64                `json:"total_savings"`
	TopRecommendations []*Recommendation      `json:"top_recommendations"`
	Summary            map[string]interface{} `json:"summary"`
}

OptimizationReport represents a complete optimization analysis

type OptimizationType 

type OptimizationType string

OptimizationType defines the type of cost optimization 

const (
	OptimizationTypeRightSize    OptimizationType = "right_size"
	OptimizationTypeSchedule     OptimizationType = "schedule"
	OptimizationTypeSpot         OptimizationType = "spot"
	OptimizationTypeReserved     OptimizationType = "reserved"
	OptimizationTypeHibernation  OptimizationType = "hibernation"
	OptimizationTypeStorage      OptimizationType = "storage"
	OptimizationTypeArchitecture OptimizationType = "architecture"
)

type Recommendation 

type Recommendation struct {
	ID               string             `json:"id"`
	Type             OptimizationType   `json:"type"`
	Priority         string             `json:"priority"` // high, medium, low
	Title            string             `json:"title"`
	Description      string             `json:"description"`
	EstimatedSavings float64            `json:"estimated_savings"` // Monthly savings in dollars
	SavingsPercent   float64            `json:"savings_percent"`
	Effort           string             `json:"effort"` // low, medium, high
	Risk             string             `json:"risk"`   // low, medium, high
	Implementation   string             `json:"implementation"`
	InstanceID       string             `json:"instance_id,omitempty"`
	ProjectID        string             `json:"project_id,omitempty"`
	Metrics          map[string]float64 `json:"metrics,omitempty"`
	CreatedAt        time.Time          `json:"created_at"`
	ExpiresAt        time.Time          `json:"expires_at"`
}

Recommendation represents a cost optimization recommendation

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.