return nil
	})
}

func (i *istioImpl) cleanupCluster(c cluster.Cluster, errG *multierror.Group) {
	scopes.Framework.Infof("clean up cluster %s", c.Name())
	errG.Go(func() (err error) {
		if e := i.installer.Close(c); e != nil {
			err = multierror.Append(err, e)
		}

	var clusters cluster.Clusters
	for i, cfg := range configs {
		c, err := buildCluster(cfg, allClusters)
		if err != nil {
			errs = multierror.Append(errs, fmt.Errorf("failed building cluster from config %d: %v", i, err))
			continue
		}
		if _, ok := allClusters[c.Name()]; ok {
			errs = multierror.Append(errs, fmt.Errorf("more than one cluster named %s", c.Name()))
			continue
		}
		allClusters[c.Name()] = c

}

func ValidateIPs(ips []string) error {
	var errs *multierror.Error
	for _, v := range ips {
		if strings.Contains(v, "/") {
			if _, err := netip.ParsePrefix(v); err != nil {
				errs = multierror.Append(errs, fmt.Errorf("bad CIDR range (%s): %v", v, err))
			}
		} else {
			if _, err := netip.ParseAddr(v); err != nil {
				errs = multierror.Append(errs, fmt.Errorf("bad IP address (%s)", v))
			}
		}
	}

package kube

import (
	"github.com/hashicorp/go-multierror"

	"istio.io/istio/pkg/test/framework/components/echo"
	"istio.io/istio/pkg/test/framework/resource"
)

func Build(ctx resource.Context, configs []echo.Config) (echo.Instances, error) {
	instances := make([]echo.Instance, len(configs))

	g := multierror.Group{}
	for i, cfg := range configs {
		i, cfg := i, cfg
		g.Go(func() (err error) {

// limitations under the License.

package server

import (
	"bytes"
	"encoding/json"
	"errors"
	"fmt"
	"net/http"

	multierror "github.com/hashicorp/go-multierror"
	admissionv1 "k8s.io/api/admission/v1"
	kubeApiAdmissionv1beta1 "k8s.io/api/admission/v1beta1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"

//  limitations under the License.

package namespace

import (
	"context"
	"fmt"
	"io"
	"math/rand"
	"strings"
	"sync"
	"time"

	"github.com/google/go-cmp/cmp"
	"github.com/hashicorp/go-multierror"
	corev1 "k8s.io/api/core/v1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/types"

	"istio.io/api/label"
	"istio.io/istio/pkg/log"
	"istio.io/istio/pkg/test/framework/components/cluster"

// limitations under the License.

package crd

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io"
	"reflect"

	"github.com/hashicorp/go-multierror"
	"gopkg.in/yaml.v2"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	kubeyaml "k8s.io/apimachinery/pkg/util/yaml"

	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/config/schema/collections"

// See the License for the specific language governing permissions and
// limitations under the License.

package framework

import (
	"context"
	"fmt"
	"strings"

	"github.com/hashicorp/go-multierror"
	"go.uber.org/atomic"
	"golang.org/x/sync/errgroup"

	"istio.io/istio/pkg/test"
	"istio.io/istio/pkg/test/framework/components/cluster"
	"istio.io/istio/pkg/test/framework/components/istioctl"

	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.20.0 // indirect
	go.opentelemetry.io/otel/metric v1.20.0 // indirect
	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
	go.uber.org/multierr v1.11.0 // indirect
	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc // indirect
	golang.org/x/oauth2 v0.20.0 // indirect
	golang.org/x/term v0.20.0 // indirect
	golang.org/x/text v0.15.0 // indirect

	go.opentelemetry.io/otel/metric v1.20.0 // indirect
	go.opentelemetry.io/otel/sdk v1.20.0 // indirect
	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
	go.uber.org/multierr v1.11.0 // indirect
	go.uber.org/zap v1.26.0 // indirect
	golang.org/x/crypto v0.23.0 // indirect
	golang.org/x/exp v0.0.0-20230515195305-f3d0a9c9a5cc // indirect
	golang.org/x/mod v0.17.0 // indirect