ekristen/aws-nuke

package resources

import (
    "context"

    "fmt"

    "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/aws-nuke/v3/pkg/nuke"
)

const EC2ClientVpnEndpointAttachmentResource = "EC2ClientVpnEndpointAttachment"

func init() {
    registry.Register(&registry.Registration{
        Name:     EC2ClientVpnEndpointAttachmentResource,
        Scope:    nuke.Account,
        Resource: &EC2ClientVpnEndpointAttachments{},
        Lister:   &EC2ClientVpnEndpointAttachmentLister{},
    })
}

type EC2ClientVpnEndpointAttachmentLister struct{}

func (l *EC2ClientVpnEndpointAttachmentLister) List(_ context.Context, o interface{}) ([]resource.Resource, error) {
    opts := o.(*nuke.ListerOpts)

    svc := ec2.New(opts.Session)

    endpoints := make([]*string, 0)

    params := &ec2.DescribeClientVpnEndpointsInput{}
    err := svc.DescribeClientVpnEndpointsPages(params,
        func(page *ec2.DescribeClientVpnEndpointsOutput, lastPage bool) bool {
            for _, out := range page.ClientVpnEndpoints {
                endpoints = append(endpoints, out.ClientVpnEndpointId)
            }
            return true
        })
    if err != nil {
        return nil, err
    }

    resources := make([]resource.Resource, 0)
    for _, clientVpnEndpointID := range endpoints {
        params := &ec2.DescribeClientVpnTargetNetworksInput{
            ClientVpnEndpointId: clientVpnEndpointID,
        }
        err := svc.DescribeClientVpnTargetNetworksPages(params,
            func(page *ec2.DescribeClientVpnTargetNetworksOutput, lastPage bool) bool {
                for _, out := range page.ClientVpnTargetNetworks {
                    resources = append(resources, &EC2ClientVpnEndpointAttachments{
                        svc:                 svc,
                        associationID:       out.AssociationId,
                        clientVpnEndpointID: out.ClientVpnEndpointId,
                        vpcID:               out.VpcId,
                    })
                }
                return true
            })
        if err != nil {
            return nil, err
        }
    }

    return resources, nil
}

type EC2ClientVpnEndpointAttachments struct {
    svc                 *ec2.EC2
    associationID       *string
    clientVpnEndpointID *string
    vpcID               *string
}

func (e *EC2ClientVpnEndpointAttachments) Remove(_ context.Context) error {
    params := &ec2.DisassociateClientVpnTargetNetworkInput{
        AssociationId:       e.associationID,
        ClientVpnEndpointId: e.clientVpnEndpointID,
    }

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

    return nil
}

func (e *EC2ClientVpnEndpointAttachments) String() string {
    return fmt.Sprintf("%s -> %s", ptr.ToString(e.clientVpnEndpointID), ptr.ToString(e.vpcID))
}