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ec2-instances.go
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/
ec2-instances.go
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package resources
import (
"fmt"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
)
type EC2Instance struct {
svc *ec2.EC2
id *string
state string
}
func init() {
register("EC2Instance", ListEC2Instances)
}
func ListEC2Instances(sess *session.Session) ([]Resource, error) {
svc := ec2.New(sess)
params := &ec2.DescribeInstancesInput{}
resp, err := svc.DescribeInstances(params)
if err != nil {
return nil, err
}
resources := make([]Resource, 0)
for _, reservation := range resp.Reservations {
for _, instance := range reservation.Instances {
resources = append(resources, &EC2Instance{
svc: svc,
id: instance.InstanceId,
state: *instance.State.Name,
})
}
}
return resources, nil
}
func (i *EC2Instance) Filter() error {
if i.state == "terminated" {
return fmt.Errorf("already terminated")
}
return nil
}
func (i *EC2Instance) Remove() error {
params := &ec2.TerminateInstancesInput{
InstanceIds: []*string{i.id},
}
_, err := i.svc.TerminateInstances(params)
if err != nil {
return err
}
return nil
}
func (i *EC2Instance) String() string {
return *i.id
}