ekristen/gcp-nuke

package resources

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

    "google.golang.org/api/iterator"

    compute "cloud.google.com/go/compute/apiv1"
    "cloud.google.com/go/compute/apiv1/computepb"

    "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 VPCRouteResource = "VPCRoute"

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

type VPCRouteLister struct {
    svc *compute.RoutesClient
}

func (l *VPCRouteLister) 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.NewRoutesRESTClient(ctx, opts.ClientOptions...)
        if err != nil {
            return nil, err
        }
    }

    req := &computepb.ListRoutesRequest{
        Project: *opts.Project,
    }
    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, &VPCRoute{
            svc:         l.svc,
            Project:     opts.Project,
            Network:     ptr.String(strings.Split(*resp.Network, "/")[len(strings.Split(*resp.Network, "/"))-1]),
            Name:        resp.Name,
            RouteType:   resp.RouteType,
            Description: resp.Description,
        })
    }

    return resources, nil
}

type VPCRoute struct {
    svc         *compute.RoutesClient
    Project     *string
    Region      *string
    Name        *string
    Network     *string
    RouteType   *string
    Description *string `property:"-"`
}

func (r *VPCRoute) Filter() error {
    if strings.HasPrefix(*r.Description, "Default local route to the subnetwork") {
        return fmt.Errorf("unable to remove default local route")
    }
    return nil
}

func (r *VPCRoute) Remove(ctx context.Context) error {
    _, err := r.svc.Delete(ctx, &computepb.DeleteRouteRequest{
        Project: *r.Project,
        Route:   *r.Name,
    })
    return err
}

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

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