feat: add load balancer support via all its components

pkg/commands/list/list.go

@@ -25,18 +25,18 @@ func execute(c *cli.Context) error {
 		reg := registry.GetRegistration(name)
 
 		if reg.AlternativeResource != "" {
-			color.New(color.Bold).Printf("%-55s\n", name)
-			color.New(color.Bold, color.FgYellow).Printf("  > %-55s", reg.AlternativeResource)
-			color.New(color.FgCyan).Printf("alternative resource\n")
+			_, _ = color.New(color.Bold).Printf("%-55s\n", name)
+			_, _ = color.New(color.Bold, color.FgYellow).Printf("  > %-55s", reg.AlternativeResource)
+			_, _ = color.New(color.FgCyan).Printf("alternative resource\n")
 		} else {
-			color.New(color.Bold).Printf("%-55s", name)
+			_, _ = color.New(color.Bold).Printf("%-55s", name)
 			c := color.FgGreen
 			if reg.Scope == nuke.Organization {
 				c = color.FgHiGreen
 			} else if reg.Scope == nuke.Project {
 				c = color.FgHiBlue
 			}
-			color.New(c).Printf(fmt.Sprintf("%s\n", string(reg.Scope)))
+			_, _ = color.New(c).Printf(fmt.Sprintf("%s\n", string(reg.Scope))) // nolint: govet
 		}
 	}
 

pkg/nuke/resource.go

@@ -33,7 +33,7 @@ type ListerOpts struct {
 func (o *ListerOpts) BeforeList(geo Geography, service string) error {
 	log := logrus.WithField("geo", geo).
 		WithField("service", service).
-		WithField("hooke", "true")
+		WithField("hook", "true")
 
 	if geo == Global && *o.Region != "global" {
 		log.Trace("before-list: skipping resource, global")

resources/compute-backend-service.go

@@ -0,0 +1,202 @@
+package resources
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+
+	"google.golang.org/api/iterator"
+
+	compute "cloud.google.com/go/compute/apiv1"
+	"cloud.google.com/go/compute/apiv1/computepb"
+
+	liberror "github.com/ekristen/libnuke/pkg/errors"
+	"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 ComputeBackendServiceResource = "ComputeBackendService"
+
+func init() {
+	registry.Register(&registry.Registration{
+		Name:   ComputeBackendServiceResource,
+		Scope:  nuke.Project,
+		Lister: &ComputeBackendServiceLister{},
+	})
+}
+
+type ComputeBackendServiceLister struct {
+	svc       *compute.RegionBackendServicesClient
+	globalSvc *compute.BackendServicesClient
+}
+
+func (l *ComputeBackendServiceLister) List(ctx context.Context, o interface{}) ([]resource.Resource, error) {
+	var resources []resource.Resource
+	opts := o.(*nuke.ListerOpts)
+
+	if err := opts.BeforeList(nuke.Global, "compute.googleapis.com"); err == nil {
+		globalResources, err := l.listGlobal(ctx, opts)
+		if err != nil {
+			logrus.WithError(err).Error("unable to list global ssl certificates")
+		} else {
+			resources = append(resources, globalResources...)
+		}
+	}
+
+	if err := opts.BeforeList(nuke.Regional, "compute.googleapis.com"); err == nil {
+		regionalResources, err := l.listRegional(ctx, opts)
+		if err != nil {
+			logrus.WithError(err).Error("unable to list regional ssl certificates")
+		} else {
+			resources = append(resources, regionalResources...)
+		}
+	}
+
+	return resources, nil
+}
+
+func (l *ComputeBackendServiceLister) listGlobal(ctx context.Context, opts *nuke.ListerOpts) ([]resource.Resource, error) {
+	var resources []resource.Resource
+
+	if l.globalSvc == nil {
+		var err error
+		l.globalSvc, err = compute.NewBackendServicesRESTClient(ctx)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	req := &computepb.ListBackendServicesRequest{
+		Project: *opts.Project,
+	}
+	it := l.globalSvc.List(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
+		}
+
+		resources = append(resources, &ComputeBackendService{
+			globalSvc: l.globalSvc,
+			project:   opts.Project,
+			Name:      resp.Name,
+		})
+	}
+
+	return resources, nil
+}
+
+func (l *ComputeBackendServiceLister) listRegional(ctx context.Context, opts *nuke.ListerOpts) ([]resource.Resource, error) {
+	var resources []resource.Resource
+
+	if l.svc == nil {
+		var err error
+		l.svc, err = compute.NewRegionBackendServicesRESTClient(ctx)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	req := &computepb.ListRegionBackendServicesRequest{
+		Project: *opts.Project,
+		Region:  *opts.Region,
+	}
+	it := l.svc.List(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
+		}
+
+		resources = append(resources, &ComputeBackendService{
+			svc:     l.svc,
+			project: opts.Project,
+			region:  opts.Region,
+			Name:    resp.Name,
+		})
+	}
+
+	return resources, nil
+}
+
+type ComputeBackendService struct {
+	svc       *compute.RegionBackendServicesClient
+	globalSvc *compute.BackendServicesClient
+	removeOp  *compute.Operation
+	project   *string
+	region    *string
+	Name      *string
+}
+
+func (r *ComputeBackendService) Remove(ctx context.Context) error {
+	if r.svc != nil {
+		return r.removeRegion(ctx)
+	} else if r.globalSvc != nil {
+		return r.removeGlobal(ctx)
+	}
+
+	return errors.New("unable to determine service")
+}
+
+func (r *ComputeBackendService) removeGlobal(ctx context.Context) (err error) {
+	r.removeOp, err = r.globalSvc.Delete(ctx, &computepb.DeleteBackendServiceRequest{
+		Project:        *r.project,
+		BackendService: *r.Name,
+	})
+	return err
+}
+
+func (r *ComputeBackendService) removeRegion(ctx context.Context) (err error) {
+	r.removeOp, err = r.svc.Delete(ctx, &computepb.DeleteRegionBackendServiceRequest{
+		Project:        *r.project,
+		Region:         *r.region,
+		BackendService: *r.Name,
+	})
+	return err
+}
+
+func (r *ComputeBackendService) Properties() types.Properties {
+	return types.NewPropertiesFromStruct(r)
+}
+
+func (r *ComputeBackendService) String() string {
+	return *r.Name
+}
+
+func (r *ComputeBackendService) HandleWait(ctx context.Context) error {
+	if r.removeOp == nil {
+		return nil
+	}
+
+	if err := r.removeOp.Poll(ctx); err != nil {
+		logrus.WithError(err).Trace("remove op polling encountered error")
+		return err
+	}
+
+	if !r.removeOp.Done() {
+		return liberror.ErrWaitResource("waiting for operation to complete")
+	}
+
+	if r.removeOp.Done() {
+		if r.removeOp.Proto().GetError() != nil {
+			removeErr := fmt.Errorf("delete error on '%s': %s", r.removeOp.Proto().GetTargetLink(), r.removeOp.Proto().GetHttpErrorMessage())
+			logrus.WithError(removeErr).WithField("status_code", r.removeOp.Proto().GetError()).Errorf("unable to delete %s", ComputeBackendServiceResource)
+			return removeErr
+		}
+	}
+
+	return nil
+}