estimate ebs snapshot costs

gistfile1.txt

package main

import (
    "context"
    "fmt"

    "github.com/aws/aws-sdk-go-v2/aws"
    "github.com/aws/aws-sdk-go-v2/config"
    "github.com/aws/aws-sdk-go-v2/service/ec2"
)

// SnapshotCostEstimator fetches the size of each snapshot and estimates its cost.
func SnapshotCostEstimator(ctx context.Context) error {
    cfg, err := config.LoadDefaultConfig(ctx)
    if err != nil {
        return fmt.Errorf("failed to load AWS SDK config: %w", err)
    }

    ec2Client := ec2.NewFromConfig(cfg)

    // Assuming US-East-1 prices for example purposes: $0.05 per GB-month
    costPerGB := 0.05

    paginator := ec2.NewDescribeSnapshotsPaginator(ec2Client, &ec2.DescribeSnapshotsInput{
        OwnerIds: []string{"self"},
    })

    fmt.Println("Calculating snapshot costs...")
    totalCost := 0.0
    for paginator.HasMorePages() {
        out, err := paginator.NextPage(ctx)
        if err != nil {
            return fmt.Errorf("failed to fetch snapshots: %w", err)
        }

        for _, snapshot := range out.Snapshots {
            sizeGB := float64(*snapshot.VolumeSize) // Size of the volume from which snapshot was taken
            snapshotCost := sizeGB * costPerGB
            totalCost += snapshotCost
            fmt.Printf("Snapshot ID: %s, Size: %d GB, Estimated Monthly Cost: $%.2f\n", *snapshot.SnapshotId, *snapshot.VolumeSize, snapshotCost)
        }
    }

    fmt.Printf("Total Estimated Monthly Cost for All Snapshots: $%.2f\n", totalCost)
    return nil
}

func main() {
    ctx := context.Background()
    err := SnapshotCostEstimator(ctx)
    if err != nil {
        fmt.Printf("Error: %s\n", err)
    }
}