istioctl experimental wait --for=distribution virtualservice bookinfo.default

  # Wait until the bookinfo virtual service has been distributed to a specific proxy
  istioctl experimental wait --for=distribution virtualservice bookinfo.default --proxy workload-instance.namespace

  # Wait until 99% of the proxies receive the distribution, timing out after 5 minutes

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package wait

import (
	"bytes"
	"context"
	"encoding/json"
	"fmt"
	"strings"
	"testing"

	"github.com/spf13/cobra"
	"k8s.io/apimachinery/pkg/api/meta"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"

			constants.DataplaneModeLabel, constants.DataplaneModeAmbient)), metav1.PatchOptions{})
	assert.NoError(t, err)

	// wait for an update event
	mt.Assert(EventTotals.Name(), map[string]string{"type": "update"}, monitortest.AtLeast(2))

	// wait for the pod to be annotated
	// after Pod annotated, another update event will be triggered.
	assertPodAnnotated(t, client, pod)

		Example: `  # Apply a waypoint to the current namespace
  istioctl x waypoint apply

  # Apply a waypoint to a specific namespace and wait for it to be ready
  istioctl x waypoint apply --namespace default --wait`,
		RunE: func(cmd *cobra.Command, args []string) error {
			kubeClient, err := ctx.CLIClientWithRevision(revision)
			if err != nil {

    grep "ipFamily: ${IP_FAMILY}" "${CONFIG}" || \
    cat <<EOF >> "${CONFIG}"
networking:
  ipFamily: ${IP_FAMILY}
EOF
  fi

  KIND_WAIT_FLAG="--wait=180s"
  KIND_DISABLE_CNI="false"
  if [[ -n "${KUBERNETES_CNI:-}" ]]; then
    unset KIND_WAIT_FLAG
    KIND_DISABLE_CNI="true"
  fi

  # Create KinD cluster

	"istio.io/istio/pkg/kube"
)

type InstallArgs struct {
	// InFilenames is an array of paths to the input IstioOperator CR files.
	InFilenames []string
	// ReadinessTimeout is maximum time to wait for all Istio resources to be ready. wait must be true for this setting
	// to take effect.
	ReadinessTimeout time.Duration
	// SkipConfirmation determines whether the user is prompted for confirmation.

func (f *fakeServer) ConstructInitialSnapshot(ambientPods []*corev1.Pod) error {
	if f.testWG != nil {
		defer f.testWG.Done()
	}
	args := f.Called(ambientPods)
	return args.Error(0)
}

// Custom "wait group with timeout" for waiting for fakeServer calls in a goroutine to finish
type WaitGroup struct {
	count int32
	done  chan struct{}
}

func NewWaitGroup() *WaitGroup {
	return &WaitGroup{

	viper.Set(constants.LogUDSAddress, "")
	viper.Set(constants.RepairEnabled, false)

	ctx, cancel := context.WithCancel(context.Background())
	wg := sync.WaitGroup{}
	wg.Add(1)
	defer func() {
		cancel()
		wg.Wait()
	}()
	go func() {
		runInstall(ctx, tempCNIConfDir, tempCNIBinDir, tempK8sSvcAcctDir, envPreconf, filepath.Join(env.IstioSrc, "cni/test/testdata/bindir"), chainedCNIPlugin, t)
		wg.Done()
	}()

		installLog.Infof("Waiting for CNI network config file to be written in %v...", cfg.mountedCNINetDir)
		if err := watcher.Wait(ctx); err != nil {
			return "", err
		}
	}

	cniConfigFilepath := filepath.Join(cfg.mountedCNINetDir, filename)

	for !file.Exists(cniConfigFilepath) {

	// left lingering with incorrect namespace.
	var innerError error
	go func() {
		defer wg.Done()
		runtime.LockOSThread()
		innerError = containedCall()
	}()
	wg.Wait()

	return innerError