log.Debugf("netns: %s", addCmd.Netns)

	// The CNI node plugin should have already checked the pod against the k8s API before forwarding us the event,
	// but we have to invoke the K8S client anyway, so to be safe we check it again here to make sure we get the same result.
	maxStaleRetries := 10
	msInterval := 10
	retries := 0
	var ambientPod *corev1.Pod
	var err error

	// in that case, try finding the netns using procfs.
	if err := s.rescanPod(pod); err != nil {
		log.Errorf("error scanning proc: error was %s", err)
		return nil, err
	}
	// try again. we can still get here if the pod is in the process of being created.
	// in this case the CNI will be invoked soon and provide us with the netns.
	openNetns = s.currentPodSnapshot.Get(string(pod.UID))
	if openNetns == nil {

		responses, err = queryEachShard(all, dr, istioNamespace, kubeClient, centralOpts)
	}
	if err != nil {
		if _, ok := err.(ControlPlaneNotFoundError); ok {
			// Attempt to get the XDS address from the webhook and try again
			addr, err := getXdsAddressFromWebhooks(kubeClient)
			if err == nil {
				centralOpts.Xds = addr.host
				centralOpts.GCPProject = addr.gcpProject
				centralOpts.IstiodAddr = addr.istiod

  // Note:
  // * the number of additional invocations is not guaranteed to be exactly one.
  // * if additional invocations result in further modifications to the object, webhooks are not guaranteed to be invoked again.
  // * webhooks that use this option may be reordered to minimize the number of additional invocations.
  // * to validate an object after all mutations are guaranteed complete, use a validating admission webhook instead.
  //

// switch back to it. This is a hack but it is meant to cover a corner case where a user wants to migrate from a non-revisioned
// old version and then later decides to switch back to the old revision again.
func DeactivateIstioInjectionWebhook(ctx context.Context, client kubernetes.Interface) error {
	whs, err := GetWebhooksWithRevision(ctx, client, DefaultRevisionName)
	if err != nil {
		return err
	}

    # once. For example, an OPA sidecar injected after the Istio sidecar will not have it's liveness/readiness probes rewritten.
    # Setting this to `IfNeeded` will result in the sidecar injector being run again if additional mutations occur.
    reinvocationPolicy: Never

    rewriteAppHTTPProbe: true

    # Templates defines a set of custom injection templates that can be used. For example, defining:
    #

  // must be positive integer. If a Job is suspended (at creation or through an
  // update), this timer will effectively be stopped and reset when the Job is
  // resumed again.
  // +optional
  optional int64 activeDeadlineSeconds = 3;

  // Specifies the policy of handling failed pods. In particular, it allows to
  // specify the set of actions and conditions which need to be

  // Note:
  // * the number of additional invocations is not guaranteed to be exactly one.
  // * if additional invocations result in further modifications to the object, webhooks are not guaranteed to be invoked again.
  // * webhooks that use this option may be reordered to minimize the number of additional invocations.
  // * to validate an object after all mutations are guaranteed complete, use a validating admission webhook instead.
  //

default, as the Istio sidecar injector is only run # once. For example, an OPA sidecar injected after the Istio sidecar will not have it's liveness/readiness probes rewritten. # Setting this to `IfNeeded` will result in the sidecar injector being run again if additional mutations occur. reinvocationPolicy: Never rewriteAppHTTPProbe: true # Templates defines a set of custom injection templates that can be used. For example, defining: # # templates: # hello: | # metadata: # labels: # hello: world # # Then...

// This may be extended in the future if we require larger or smaller quantities.
//
// When a Quantity is parsed from a string, it will remember the type of suffix
// it had, and will use the same type again when it is serialized.
//
// Before serializing, Quantity will be put in "canonical form".
// This means that Exponent/suffix will be adjusted up or down (with a
// corresponding increase or decrease in Mantissa) such that:
//