feat(resource): network endpoint group (zonal)

resources/network-endpoint-group-zonal.go

@@ -0,0 +1,147 @@
+package resources
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"path"
+
+	"github.com/ekristen/gcp-nuke/pkg/nuke"
+	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/sirupsen/logrus"
+	"google.golang.org/api/iterator"
+
+	compute "cloud.google.com/go/compute/apiv1"
+	"cloud.google.com/go/compute/apiv1/computepb"
+)
+
+const ZonalNetworkEndpointGroupResource = "ZonalNetworkEndpointGroup"
+
+func init() {
+	registry.Register(&registry.Registration{
+		Name:   ZonalNetworkEndpointGroupResource,
+		Scope:  nuke.Project,
+		Lister: &ZonalNetworkEndpointGroupLister{},
+	})
+}
+
+type ZonalNetworkEndpointGroupLister struct {
+	svc *compute.NetworkEndpointGroupsClient
+}
+
+func (l *ZonalNetworkEndpointGroupLister) Close() {
+	if l.svc != nil {
+		l.svc.Close()
+	}
+}
+
+func (l *ZonalNetworkEndpointGroupLister) 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 {
+		return resources, err
+	}
+
+	if l.svc == nil {
+		var err error
+		l.svc, err = compute.NewNetworkEndpointGroupsRESTClient(ctx, opts.ClientOptions...)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	req := &computepb.AggregatedListNetworkEndpointGroupsRequest{
+		Project: *opts.Project,
+	}
+
+	it := l.svc.AggregatedList(ctx, req)
+	for {
+		resp, err := it.Next()
+		if errors.Is(err, iterator.Done) {
+			break
+		}
+		if err != nil {
+			logrus.WithError(err).Error("unable to iterate network endpoint groups")
+			break
+		}
+
+		// resp is a NetworkEndpointGroupsScopedListPair which has Key (string) and Value (*computepb.NetworkEndpointGroupsScopedList)
+		if resp.Value.NetworkEndpointGroups == nil {
+			continue
+		}
+
+		for _, neg := range resp.Value.NetworkEndpointGroups {
+			zoneName := path.Base(resp.Key) // Extract zone name from the Key
+			resources = append(resources, &ZonalNetworkEndpointGroup{
+				svc:          l.svc,
+				project:      opts.Project,
+				zone:         &zoneName,
+				Name:         neg.Name,                // Assign directly since neg.Name is already *string
+				negType:      neg.NetworkEndpointType, // neg.NetworkEndpointType is already *string
+				creationDate: neg.CreationTimestamp,   // neg.CreationTimestamp is already *string
+			})
+		}
+	}
+
+	return resources, nil
+}
+
+type ZonalNetworkEndpointGroup struct {
+	svc          *compute.NetworkEndpointGroupsClient
+	removeOp     *compute.Operation
+	project      *string
+	zone         *string
+	Name         *string
+	negType      *string
+	creationDate *string
+}
+
+func (r *ZonalNetworkEndpointGroup) Remove(ctx context.Context) error {
+	var err error
+	r.removeOp, err = r.svc.Delete(ctx, &computepb.DeleteNetworkEndpointGroupRequest{
+		Project:              *r.project,
+		Zone:                 *r.zone,
+		NetworkEndpointGroup: *r.Name,
+	})
+	if err != nil {
+		return err
+	}
+
+	return r.HandleWait(ctx)
+}
+
+func (r *ZonalNetworkEndpointGroup) Properties() types.Properties {
+	return types.NewPropertiesFromStruct(r)
+}
+
+func (r *ZonalNetworkEndpointGroup) String() string {
+	return *r.Name
+}
+
+// HandleWait is a hook into the libnuke resource lifecycle to allow for waiting on a resource to be removed.
+func (r *ZonalNetworkEndpointGroup) HandleWait(ctx context.Context) error {
+	if r.removeOp == nil {
+		return nil
+	}
+
+	if err := r.removeOp.Poll(ctx); err != nil {
+		logrus.WithError(err).Trace("network endpoint group remove op polling encountered error")
+		return err
+	}
+
+	if !r.removeOp.Done() {
+		return liberror.ErrWaitResource("waiting for operation to complete")
+	}
+
+	if r.removeOp.Done() && 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()).Error("unable to delete zonal network endpoint group")
+		return removeErr
+	}
+
+	return nil
+}