ekristen/aws-nuke

package resources

import (
    "context"

    "github.com/gotidy/ptr"

    "github.com/aws/aws-sdk-go/aws"
    "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/nuke"
)

const EC2EgressOnlyInternetGatewayResource = "EC2EgressOnlyInternetGateway"

func init() {
    registry.Register(&registry.Registration{
        Name:     EC2EgressOnlyInternetGatewayResource,
        Scope:    nuke.Account,
        Resource: &EC2EgressOnlyInternetGateway{},
        Lister:   &EC2EgressOnlyInternetGatewayLister{},
    })
}

type EC2EgressOnlyInternetGatewayLister struct{}

func (l *EC2EgressOnlyInternetGatewayLister) List(_ context.Context, o interface{}) ([]resource.Resource, error) {
    opts := o.(*nuke.ListerOpts)

    svc := ec2.New(opts.Session)
    resources := make([]resource.Resource, 0)
    igwInputParams := &ec2.DescribeEgressOnlyInternetGatewaysInput{
        MaxResults: aws.Int64(255),
    }

    for {
        resp, err := svc.DescribeEgressOnlyInternetGateways(igwInputParams)
        if err != nil {
            return nil, err
        }

        for _, igw := range resp.EgressOnlyInternetGateways {
            resources = append(resources, &EC2EgressOnlyInternetGateway{
                svc: svc,
                igw: igw,
            })
        }

        if resp.NextToken == nil {
            break
        }

        igwInputParams.NextToken = resp.NextToken
    }

    return resources, nil
}

type EC2EgressOnlyInternetGateway struct {
    svc *ec2.EC2
    igw *ec2.EgressOnlyInternetGateway
}

func (e *EC2EgressOnlyInternetGateway) Remove(_ context.Context) error {
    params := &ec2.DeleteEgressOnlyInternetGatewayInput{
        EgressOnlyInternetGatewayId: e.igw.EgressOnlyInternetGatewayId,
    }

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

    return nil
}

func (e *EC2EgressOnlyInternetGateway) Properties() types.Properties {
    properties := types.NewProperties()
    for _, tagValue := range e.igw.Tags {
        properties.SetTag(tagValue.Key, tagValue.Value)
    }
    return properties
}

func (e *EC2EgressOnlyInternetGateway) String() string {
    return ptr.ToString(e.igw.EgressOnlyInternetGatewayId)
}