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}
}

	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")
}

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,

		wantErr     bool
	}{
		{
			name:        "errors if unable to unmarshal bytes",
			inputFile:   "",
			wantConfigs: 0,
			wantErr:     true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			cw := &ConfigWriter{}
			cd, _ := os.ReadFile(tt.inputFile)
			err := cw.Prime(cd)
			if cw.configDump == nil {
				if tt.wantConfigs != 0 {
					t.Errorf("wanted some configs loaded but config dump was nil")

	if f.testWG != nil {
		defer f.testWG.Done()
	}
	args := f.Called(ctx, pod, podIPs, netNs)
	return args.Error(0)
}

func (f *fakeServer) RemovePodFromMesh(ctx context.Context, pod *corev1.Pod) error {
	if f.testWG != nil {
		defer f.testWG.Done()
	}
	args := f.Called(ctx, pod)
	return args.Error(0)
}

	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)
	}

package util

import (
	"bytes"
	"errors"
	"os/exec"
	"strings"

	"istio.io/istio/pkg/log"
)

type ExecList struct {
	Cmd  string
	Args []string
}

func NewExec(cmd string, args []string) *ExecList {
	return &ExecList{
		Cmd:  cmd,
		Args: args,
	}
}

func ExecuteOutput(cmd string, args ...string) (string, error) {
	externalCommand := exec.Command(cmd, args...)

	return func(nspath string) (NetnsCloser, error) {
		nspathInContainer := filepath.Join(hostMountsPath, nspath)
		ns, err := OpenNetns(nspathInContainer)
		if err != nil {
			err = fmt.Errorf("failed to open netns: %w. Make sure that the netns host path %s is mounted in under %s in the container", err, nspath, hostMountsPath)
			log.Error(err.Error())
		}
		return ns, err
	}

package plugin

import "errors"

// ErrNotImplemented is returned when a requested feature is not implemented.
var ErrNotImplemented = errors.New("not implemented")

// Program defines a method which programs iptables based on the parameters
// provided in Redirect.
func (ipt *iptables) Program(podName, netns string, rdrct *Redirect) error {
	return ErrNotImplemented

// limitations under the License.
package iptables

import (
	"errors"
)

func AddInpodMarkIPRule(cfg *Config) error {
	return errors.New("not implemented on this platform")
}

func DelInpodMarkIPRule(cfg *Config) error {
	return errors.New("not implemented on this platform")
}

func AddLoopbackRoutes(cfg *Config) error {
	return errors.New("not implemented on this platform")
}