"errors"
	"fmt"
)

var ErrPartialAdd = errors.New("partial add error")

type PartialAddError struct {
	inner error
}

func (e *PartialAddError) Error() string {
	return fmt.Sprintf("%s: %v", ErrPartialAdd.Error(), e.inner)
}

func (e *PartialAddError) Unwrap() []error {
	return []error{ErrPartialAdd, e.inner}
}

func NewErrPartialAdd(err error) *PartialAddError {
	return &PartialAddError{
		inner: err,
	}

	"golang.org/x/sys/unix"
)

func AddInpodMarkIPRule(cfg *Config) error {
	err := forEachInpodMarkIPRule(cfg, netlink.RuleAdd)
	if errors.Is(err, unix.EEXIST) {
		log.Debugf("Ignoring exists error adding inpod mark ip rule: %v", err)
		return nil
	}
	return err
}

func DelInpodMarkIPRule(cfg *Config) error {
	return forEachInpodMarkIPRule(cfg, netlink.RuleDel)
}

		tagName := GetWebhookTagName(wh)
		tagRevision, err := GetWebhookRevision(wh)
		if err != nil {
			return fmt.Errorf("error parsing revision from webhook %q: %v", wh.Name, err)
		}
		tagNamespaces, err := GetNamespacesWithTag(ctx, kubeClient, tagName)
		if err != nil {
			return fmt.Errorf("error retrieving namespaces for tag %q: %v", tagName, err)
		}
		tagDesc := tagDescription{
			Tag:        tagName,

)

func GetRevisionWebhooks(ctx context.Context, client kubernetes.Interface) ([]admitv1.MutatingWebhookConfiguration, error) {
	webhooks, err := client.AdmissionregistrationV1().MutatingWebhookConfigurations().List(ctx, metav1.ListOptions{
		LabelSelector: label.IoIstioRev.Name,
	})
	if err != nil {
		return nil, err
	}
	return webhooks.Items, nil
}

// GetWebhooksWithTag returns webhooks tagged with istio.io/tag=<tag>.

			b, err := yaml.Marshal(gw)
			if err != nil {
				return err
			}
			_, err = gwc.Patch(context.Background(), gw.Name, types.ApplyPatchType, b, metav1.PatchOptions{
				Force:        nil,
				FieldManager: "istioctl",
			})
			if err != nil {
				if errors.IsNotFound(err) {
					return fmt.Errorf("missing Kubernetes Gateway CRDs need to be installed before applying a waypoint: %s", err)
				}
				return err
			}

	}

	secret, err := builder.Build()
	if err != nil {
		return SecretItem{}, fmt.Errorf("error building secret: %v", err)
	}

	return secret, nil
}

func secretMetaFromCert(rawCert []byte) (SecretMeta, error) {
	block, _ := pem.Decode(rawCert)
	if block == nil {
		return SecretMeta{}, fmt.Errorf("failed to parse certificate PEM")
	}
	cert, err := x509.ParseCertificate(block.Bytes)

	netns, err := runInHost(func() (string, error) { return getPodNetNs(pod) })
	if err != nil {
		m.With(resultLabel.Value(resultFail)).Increment()
		return fmt.Errorf("get netns: %v", err)
	}
	log = log.WithLabels("netns", netns)

	if err := redirectRunningPod(pod, netns); err != nil {
		log.Errorf("failed to setup redirection: %v", err)
		m.With(resultLabel.Value(resultFail)).Increment()

	ret := map[string]string{
		"x-goog-user-project": c.project,
	}
	if err := updateAuthHdrs(ctx, uri, "k8s", c.k8sCreds, ret, "x-mesh-authorization"); err != nil {
		return nil, err
	}
	if err := updateAuthHdrs(ctx, uri, "gcp", c.gcpCreds, ret, "authorization"); err != nil {
		return nil, err
	}
	return ret, nil
}

)

func TestCNIListener(t *testing.T) {
	f := filepath.Join(t.TempDir(), "test")
	l, err := NewListener(f)
	if err != nil {
		t.Fatalf("unexpected error %v", err)
	}
	defer l.Close()
	conn, err := connect(f)
	if err != nil {
		t.Fatalf("failed to connect %v", err)
	}
	conn.Close()
}

func connect(socket string) (*grpc.ClientConn, error) {
	var opts []grpc.DialOption

func (c *ConfigWriter) PrintEcds(outputFormat string) error {
	if c.configDump == nil {
		return fmt.Errorf("config writer has not been primed")
	}

	dump, err := c.configDump.GetEcdsConfigDump()
	if err != nil {
		return err
	}

	out, err := protomarshal.MarshalIndentWithGlobalTypesResolver(dump, "    ")
	if err != nil {
		return err
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err