ekristen/aws-nuke

package resources

import (
    "context"
    "fmt"

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

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

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

const AppStreamStackFleetAttachmentResource = "AppStreamStackFleetAttachment"

func init() {
    registry.Register(&registry.Registration{
        Name:     AppStreamStackFleetAttachmentResource,
        Scope:    nuke.Account,
        Resource: &AppStreamStackFleetAttachment{},
        Lister:   &AppStreamStackFleetAttachmentLister{},
    })
}

type AppStreamStackFleetAttachmentLister struct{}

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

    svc := appstream.New(opts.Session)
    resources := make([]resource.Resource, 0)
    var stacks []*appstream.Stack
    params := &appstream.DescribeStacksInput{}

    for {
        output, err := svc.DescribeStacks(params)
        if err != nil {
            return nil, err
        }

        stacks = append(stacks, output.Stacks...)

        if output.NextToken == nil {
            break
        }

        params.NextToken = output.NextToken
    }

    stackAssocParams := &appstream.ListAssociatedFleetsInput{}
    for _, stack := range stacks {
        stackAssocParams.StackName = stack.Name
        output, err := svc.ListAssociatedFleets(stackAssocParams)
        if err != nil {
            return nil, err
        }

        for _, name := range output.Names {
            resources = append(resources, &AppStreamStackFleetAttachment{
                svc:       svc,
                stackName: stack.Name,
                fleetName: name,
            })
        }
    }

    return resources, nil
}

type AppStreamStackFleetAttachment struct {
    svc       *appstream.AppStream
    stackName *string
    fleetName *string
}

func (f *AppStreamStackFleetAttachment) Remove(_ context.Context) error {
    _, err := f.svc.DisassociateFleet(&appstream.DisassociateFleetInput{
        StackName: f.stackName,
        FleetName: f.fleetName,
    })

    return err
}

func (f *AppStreamStackFleetAttachment) String() string {
    return fmt.Sprintf("%s -> %s", *f.stackName, *f.fleetName)
}