registerStringParameter(constants.RepairNodeName, "", "The name of the managed node (will manage all nodes if unset)")
	registerStringParameter(constants.RepairSidecarAnnotation, "sidecar.istio.io/status",
		"An annotation key that indicates this pod contains an istio sidecar. All pods without this annotation will be ignored."+
			"The value of the annotation is ignored.")
	registerStringParameter(constants.RepairInitContainerName, "istio-validation",

Next, for an individual proxy we will check if it could possibly be impacted by the change. For example, we know a sidecar never is impacted by a `Gateway` update, and we can also look at scoping (from `Sidecar.egress.hosts`) to further restrict update scopes.

      track: stable
  strategy: {}
  template:
    metadata:
      annotations:
        prometheus.io/path: /stats/prometheus
        prometheus.io/port: "15020"
        prometheus.io/scrape: "true"
        sidecar.istio.io/status: '{"initContainers":["istio-init"],"containers":["istio-proxy"],"volumes":null,"imagePullSecrets":null,"revision":"default"}'
      creationTimestamp: null
      labels:
        app: hello
        tier: backend

      track: stable
  strategy: {}
  template:
    metadata:
      annotations:
        prometheus.io/path: /stats/prometheus
        prometheus.io/port: "15020"
        prometheus.io/scrape: "true"
        sidecar.istio.io/status: '{"initContainers":["istio-init"],"containers":["istio-proxy"],"volumes":null,"imagePullSecrets":null,"revision":"default"}'
      creationTimestamp: null
      labels:
        app: hello
        tier: backend

	RepairLabelKey           = "repair-broken-pod-label-key"
	RepairLabelValue         = "repair-broken-pod-label-value"
	RepairNodeName           = "repair-node-name"
	RepairSidecarAnnotation  = "repair-sidecar-annotation"
	RepairInitContainerName  = "repair-init-container-name"
	RepairInitTerminationMsg = "repair-init-container-termination-message"
	RepairInitExitCode       = "repair-init-container-exit-code"

		if err != nil {
			return nil, err
		}
		return proxy.GetProxyInfo(client, ctx.IstioNamespace())
	}
}

// XdsVersionCommand gets the Control Plane and Sidecar versions via XDS
func XdsVersionCommand(ctx cli.Context) *cobra.Command {
	var opts clioptions.ControlPlaneOptions
	var centralOpts clioptions.CentralControlPlaneOptions
	var xdsResponses *discovery.DiscoveryResponse

	RepairPods bool

	// Whether to fix race condition by delete broken pods
	DeletePods bool

	// Whether to label broken pods
	LabelPods bool

	// Filters for race repair, including name of sidecar annotation, name of init container,
	// init container termination message and exit code.
	SidecarAnnotation  string
	InitContainerName  string
	InitTerminationMsg string
	InitExitCode       int

can use different Istio versions and different configuration defaults.

`istioctl kube-inject` or the automatic sidecar injector are used to select the environment.
In the case of the sidecar injector, the namespace label `istio-env: <NAME_OF_ENV>` is used instead
of the conventional `istio-injected: true`. The name of the environment is defined as the namespace

	"istio.io/istio/operator/pkg/render"
	"istio.io/istio/operator/pkg/values"
	"istio.io/istio/pkg/kube"
	"istio.io/istio/pkg/maps"
)

const (
	DefaultRevisionName = "default"

	istioInjectionWebhookSuffix = "sidecar-injector.istio.io"

	vwhBaseTemplateName = "istiod-default-validator"

	operatorNamespace = "operator.istio.io"
)

// tagWebhookConfig holds config needed to render a tag webhook.
type tagWebhookConfig struct {

		// Equiv:
		// ip rule add fwmark 0x111/0xfff pref 32764 lookup 100
		//
		// Adds in-pod rules for marking packets with the istio-specific TPROXY mark.
		// A very similar mechanism is used for sidecar TPROXY.
		//
		// TODO largely identical/copied from tools/istio-iptables/pkg/capture/run_linux.go
		inpodMarkRule := netlink.NewRule()
		inpodMarkRule.Family = family
		inpodMarkRule.Table = RouteTableInbound