ekristen/aws-nuke

package resources

import (
    "context"
    "fmt"

    "github.com/gotidy/ptr"

    "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 AppStreamFleetStateResource = "AppStreamFleetState"

func init() {
    registry.Register(&registry.Registration{
        Name:     AppStreamFleetStateResource,
        Scope:    nuke.Account,
        Resource: &AppStreamFleetState{},
        Lister:   &AppStreamFleetStateLister{},
    })
}

type AppStreamFleetStateLister struct{}

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

    svc := appstream.New(opts.Session)
    resources := make([]resource.Resource, 0)

    params := &appstream.DescribeFleetsInput{}

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

        for _, fleet := range output.Fleets {
            resources = append(resources, &AppStreamFleetState{
                svc:   svc,
                name:  fleet.Name,
                state: fleet.State,
            })
        }

        if output.NextToken == nil {
            break
        }

        params.NextToken = output.NextToken
    }

    return resources, nil
}

type AppStreamFleetState struct {
    svc   *appstream.AppStream
    name  *string
    state *string
}

func (f *AppStreamFleetState) Remove(_ context.Context) error {
    _, err := f.svc.StopFleet(&appstream.StopFleetInput{
        Name: f.name,
    })

    return err
}

func (f *AppStreamFleetState) String() string {
    return *f.name
}

func (f *AppStreamFleetState) Filter() error {
    if ptr.ToString(f.state) == appstream.FleetStateStopped {
        return fmt.Errorf("already stopped")
    } else if ptr.ToString(f.state) == "DELETING" {
        return fmt.Errorf("already being deleted")
    }

    return nil
}