ekristen/gcp-nuke

package resources

import (
    "context"
    "errors"
    "fmt"
    "github.com/gotidy/ptr"
    "strings"

    "github.com/sirupsen/logrus"

    "google.golang.org/api/iterator"

    "cloud.google.com/go/run/apiv2"
    "cloud.google.com/go/run/apiv2/runpb"

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

    "github.com/ekristen/gcp-nuke/pkg/nuke"
)

const CloudRunResource = "CloudRun"

func init() {
    registry.Register(&registry.Registration{
        Name:   CloudRunResource,
        Scope:  nuke.Project,
        Lister: &CloudRunLister{},
    })
}

type CloudRunLister struct {
    svc *run.ServicesClient
}

func (l *CloudRunLister) List(ctx context.Context, o interface{}) ([]resource.Resource, error) {
    var resources []resource.Resource

    opts := o.(*nuke.ListerOpts)
    if err := opts.BeforeList(nuke.Regional, "run.googleapis.com"); err != nil {
        return resources, err
    }

    if l.svc == nil {
        var err error
        l.svc, err = run.NewServicesClient(ctx, opts.ClientOptions...)
        if err != nil {
            return nil, err
        }
    }

    req := &runpb.ListServicesRequest{
        Parent: fmt.Sprintf("projects/%s/locations/%s", *opts.Project, *opts.Region),
    }
    it := l.svc.ListServices(ctx, req)
    for {
        resp, err := it.Next()
        if errors.Is(err, iterator.Done) {
            break
        }
        if err != nil {
            logrus.WithError(err).Error("unable to iterate networks")
            break
        }

        nameParts := strings.Split(resp.Name, "/")
        name := nameParts[len(nameParts)-1]

        resources = append(resources, &CloudRun{
            svc:      l.svc,
            FullName: ptr.String(resp.Name),
            Name:     ptr.String(name),
            Project:  opts.Project,
            Region:   opts.Region,
            Labels:   resp.Labels,
        })
    }

    return resources, nil
}

type CloudRun struct {
    svc      *run.ServicesClient
    removeOp *run.DeleteServiceOperation
    Project  *string
    Region   *string
    FullName *string
    Name     *string
    Labels   map[string]string `property:"tagPrefix=label"`
}

func (r *CloudRun) Filter() error {
    if r.Labels != nil && r.Labels["goog-managed-by"] == "cloudfunctions" {
        return errors.New("cannot remove cloud run that is managed by cloud functions")
    }

    return nil
}

func (r *CloudRun) Remove(ctx context.Context) (err error) {
    r.removeOp, err = r.svc.DeleteService(ctx, &runpb.DeleteServiceRequest{
        Name: *r.FullName,
    })
    return err
}

func (r *CloudRun) Properties() types.Properties {
    return types.NewPropertiesFromStruct(r)
}

func (r *CloudRun) String() string {
    return *r.Name
}

func (r *CloudRun) HandleWait(ctx context.Context) error {
    if r.removeOp == nil {
        return nil
    }

    if _, err := r.removeOp.Poll(ctx); err != nil {
        logrus.WithError(err).Trace("network remove op polling encountered error")
        return err
    }

    return nil
}