package nodeagent

import (
	"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}
}

	loopbackLink, err := netlink.LinkByName("lo")
	if err != nil {
		return fmt.Errorf("failed to find 'lo' link: %v", err)
	}

	// Set up netlink routes for localhost
	cidrs := []string{"0.0.0.0/0"}
	if cfg.EnableInboundIPv6 {
		cidrs = append(cidrs, "0::0/0")
	}
	for _, fullCIDR := range cidrs {
		_, localhostDst, err := net.ParseCIDR(fullCIDR)
		if err != nil {
			return fmt.Errorf("parse CIDR: %v", err)

	return errors.New("not implemented on this platform")
}

func (m *realDeps) deleteIP(name string, ip netip.Addr, ipProto uint8) error {
	return errors.New("not implemented on this platform")
}

func (m *realDeps) flush(name string) error {
	return errors.New("not implemented on this platform")
}

		Args: func(cmd *cobra.Command, args []string) error {
			if deleteAll && len(args) > 0 {
				return fmt.Errorf("cannot specify waypoint names when deleting all waypoints")
			}
			if !deleteAll && len(args) == 0 {
				return fmt.Errorf("must either specify a waypoint name or delete all using --all")
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClient()

package cmd

import (
	"errors"
	"testing"

	"istio.io/istio/istioctl/pkg/analyze"
	"istio.io/istio/istioctl/pkg/util"
)

var KnownErrorCode = map[error]int{
	errors.New("unknown command"):                                  ExitIncorrectUsage,
	errors.New("unexpected error"):                                 ExitUnknownError,
	util.CommandParseError{Err: errors.New("command parse error")}: ExitIncorrectUsage,

	if !ok {
		return nil, errors.New(`field "spec.workload_identity_pool" is not a string`)
	}
	return &mem, nil
}

func mcpDialOptions(ctx context.Context, gcpProject string, k8sCreds credentials.PerRPCCredentials) ([]grpc.DialOption, error) {
	systemRoots, err := x509.SystemCertPool()
	if err != nil {
		return nil, fmt.Errorf("failed to get system cert pool: %w", err)
	}

		Args: func(cmd *cobra.Command, args []string) error {
			if len(args) == 0 {
				return fmt.Errorf("must provide a tag for removal")
			}
			if len(args) > 1 {
				return fmt.Errorf("must provide a single tag for removal")
			}
			return nil
		},
		RunE: func(cmd *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClient()
			if err != nil {
				return fmt.Errorf("failed to create Kubernetes client: %v", err)

type NetlinkDependencies interface {
	AddInpodMarkIPRule(cfg *Config) error
	DelInpodMarkIPRule(cfg *Config) error
	AddLoopbackRoutes(cfg *Config) error
	DelLoopbackRoutes(cfg *Config) error
}

func RealNlDeps() NetlinkDependencies {
	return &realDeps{}
}

type realDeps struct{}

func (r *realDeps) AddInpodMarkIPRule(cfg *Config) error {
	return AddInpodMarkIPRule(cfg)
}

func GetWebhookRevision(wh admitv1.MutatingWebhookConfiguration) (string, error) {
	if tagName, ok := wh.ObjectMeta.Labels[label.IoIstioRev.Name]; ok {
		return tagName, nil
	}
	return "", fmt.Errorf("could not extract tag revision from webhook")
}

// DeleteTagWebhooks deletes the given webhooks.
func DeleteTagWebhooks(ctx context.Context, client kubernetes.Interface, tag string) error {
	webhooks, err := GetWebhooksWithTag(ctx, client, tag)

	}

	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)
	if err != nil {