ec2spot.go

ec2spot.go

package main

import (
        "fmt"

        "github.com/aws/aws-sdk-go/aws"
        "github.com/aws/aws-sdk-go/aws/awserr"
        "github.com/aws/aws-sdk-go/aws/credentials"
        "github.com/aws/aws-sdk-go/aws/session"
        "github.com/aws/aws-sdk-go/service/ec2"
)

func main() {
        fmt.Println("starting SpawnHost function")
        SpawnHost()
        fmt.Println("finished SpawnHost function")
}

// SpawnHost tests spawning a host.
func SpawnHost() {
        fmt.Println("requesting a spot instance")
        svc := ec2.New(session.New(), &aws.Config{
                Region:      aws.String("us-east-1"),
                Credentials: credentials.NewStaticCredentials("key", "secret", ""),
        })
        input := &ec2.RequestSpotInstancesInput{
                InstanceCount: aws.Int64(1),
                LaunchSpecification: &ec2.RequestSpotLaunchSpecification{
                        //              IamInstanceProfile: &ec2.IamInstanceProfileSpecification{
                        //                  Arn: aws.String("arn:aws:iam::123456789012:instance-profile/my-iam-role"),
                        //              },
                        ImageId:      aws.String("ami-12345678"),
                        InstanceType: aws.String("c3.xlarge"),
                        SecurityGroupIds: []*string{
                                aws.String("sg-12345678"),
                        },
                        SubnetId: aws.String("subnet-12345678"),
                },
                SpotPrice: aws.String("0.050"),
                Type:      aws.String("one-time"),
        }

        result, err := svc.RequestSpotInstances(input)
        if err != nil {
                if aerr, ok := err.(awserr.Error); ok {
                        switch aerr.Code() {
                        default:
                                fmt.Println(aerr.Error())
                        }
                } else {
                        // Print the error, cast err to awserr.Error to get the Code and
                        // Message from an error.
                        fmt.Println(err.Error())
                }
                return
        }

        fmt.Println(result)
}