ekristen/gcp-nuke

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 VPCIPAddressResource = "VPCIPAddress"

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

type VPCIPAddressLister struct {
    svc *compute.AddressesClient
}

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

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

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

    req := &computepb.ListAddressesRequest{
        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, &VPCIPAddress{
            svc:         l.svc,
            project:     opts.Project,
            region:      opts.Region,
            Name:        resp.Name,
            Address:     resp.Address,
            AddressType: resp.AddressType,
        })
    }

    return resources, nil
}

type VPCIPAddress struct {
    svc         *compute.AddressesClient
    removeOp    *compute.Operation
    project     *string
    region      *string
    Name        *string
    Address     *string
    AddressType *string
}

func (r *VPCIPAddress) Remove(ctx context.Context) (err error) {
    r.removeOp, err = r.svc.Delete(ctx, &computepb.DeleteAddressRequest{
        Project: *r.project,
        Region:  *r.region,
        Address: *r.Name, // misleading - address is actually the name not the IPv4/IPv6 value
    })
    return err
}

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

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

func (r *VPCIPAddress) 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
    }

    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()).Error("unable to delete vpc ip address")
            return removeErr
        }
    }

    return nil
}