ekristen/aws-nuke

package resources

import (
    "context"
    "fmt"
    "time"

    "github.com/gotidy/ptr"

    "github.com/aws/aws-sdk-go/service/ec2"

    "github.com/ekristen/libnuke/pkg/registry"
    "github.com/ekristen/libnuke/pkg/resource"
    "github.com/ekristen/libnuke/pkg/types"

    "github.com/ekristen/aws-nuke/v3/pkg/awsutil"
    "github.com/ekristen/aws-nuke/v3/pkg/nuke"
)

const EC2NATGatewayResource = "EC2NATGateway"

func init() {
    registry.Register(&registry.Registration{
        Name:     EC2NATGatewayResource,
        Scope:    nuke.Account,
        Resource: &EC2NATGateway{},
        Lister:   &EC2NATGatewayLister{},
        DeprecatedAliases: []string{
            "EC2NatGateway",
        },
    })
}

type EC2NATGatewayLister struct{}

func (l *EC2NATGatewayLister) List(_ context.Context, o interface{}) ([]resource.Resource, error) {
    opts := o.(*nuke.ListerOpts)
    svc := ec2.New(opts.Session)

    params := &ec2.DescribeNatGatewaysInput{}
    resp, err := svc.DescribeNatGateways(params)
    if err != nil {
        return nil, err
    }

    resources := make([]resource.Resource, 0)
    for _, natgw := range resp.NatGateways {
        resources = append(resources, &EC2NATGateway{
            svc:   svc,
            natgw: natgw,
        })
    }

    return resources, nil
}

type EC2NATGateway struct {
    svc   *ec2.EC2
    natgw *ec2.NatGateway
}

func (n *EC2NATGateway) Filter() error {
    if *n.natgw.State == awsutil.StateDeleted {
        return fmt.Errorf("already deleted")
    }
    return nil
}

func (n *EC2NATGateway) Remove(_ context.Context) error {
    params := &ec2.DeleteNatGatewayInput{
        NatGatewayId: n.natgw.NatGatewayId,
    }

    _, err := n.svc.DeleteNatGateway(params)
    if err != nil {
        return err
    }

    return nil
}

func (n *EC2NATGateway) Properties() types.Properties {
    properties := types.NewProperties()
    properties.Set("CreateTime", n.natgw.CreateTime.Format(time.RFC3339))
    for _, tagValue := range n.natgw.Tags {
        properties.SetTag(tagValue.Key, tagValue.Value)
    }
    return properties
}

func (n *EC2NATGateway) String() string {
    return ptr.ToString(n.natgw.NatGatewayId)
}