namespace.Future(&echo2NS),
					namespace.Future(&echo3NS),
				},
				ExternalNamespace: namespace.Future(&externalNS),
			})).
		Run()
}

// TestMultiControlPlane sets up two distinct istio control planes and verify if resources and traffic are properly isolated
func TestMultiControlPlane(t *testing.T) {
	framework.NewTest(t).
		Run(func(t framework.TestContext) {
			// configure peerauthentication per system namespace

		Long:  "The uninstall command uninstalls Istio from a cluster",
		Example: `  # Uninstall a single control plane by revision
  istioctl uninstall --revision foo

  # Uninstall a single control plane by iop file
  istioctl uninstall -f iop.yaml
  
  # Uninstall all control planes and shared resources
  istioctl uninstall --purge`,
		Args: func(cmd *cobra.Command, args []string) error {

	//
	// Deprecated: All new tests should support multiple clusters.
	RequiresSingleCluster() Test
	// RequiresLocalControlPlane ensures that clusters are using locally-deployed control planes.
	//
	// Deprecated: Tests should not make assumptions regarding control plane topology.
	RequiresLocalControlPlane() Test
	// RequiresSingleNetwork ensures that clusters are in the same network
	//

particularly the waypoint, can specify which control plane they connect to (and by inference what version of the data plane they will run) using the `istio.io/rev` label set to a tag or revision.

As in sidecar mode, every control plane installation may (and should) include a revision name, which is a stable identifier for that control plane installation and version.  For simplicity, we recommend using the version of the control plane as the revision name (see [./istio/control-plane-apps...

    # values by adding its node selector block in the relevant section below and setting
    # the desired values.
    defaultNodeSelector: {}

    # enable pod disruption budget for the control plane, which is used to
    # ensure Istio control plane components are gradually upgraded or recovered.
    defaultPodDisruptionBudget:
      enabled: true

    # A minimal set of requested resources to applied to all deployments so that

        def operand6 = moduleId('fact', 'grass')
        def operand7 = moduleId('crib', 'planes')
        def operand8 = moduleId('stove', 'pull')
        def operand9 = moduleId('calculator', 'suggestion')
        def operand10 = moduleId('beginner', 'plough')
        def operand11 = moduleId('insurance', 'hat')
        def operand12 = moduleId('toys', 'plant')
        def operand13 = moduleId('trail', 'wing')

    # values by adding its node selector block in the relevant section below and setting
    # the desired values.
    defaultNodeSelector: {}

    # enable pod disruption budget for the control plane, which is used to
    # ensure Istio control plane components are gradually upgraded or recovered.
    defaultPodDisruptionBudget:
      enabled: true

    # A minimal set of requested resources to applied to all deployments so that

}

// Returns a map with each k,v entry on a new line
func mapToString(m map[string]string) string {
	lines := []string{}
	for k, v := range m {
		lines = append(lines, fmt.Sprintf("%s=%s", k, shellescape.Quote(v)))
	}
	sort.Strings(lines)
	return strings.Join(lines, "\n") + "\n"
}

// extractClusterIDFromInjectionConfig can extract clusterID from injection configmap

		revCount++
		if rev == "default" {
			continue
		}
		revision = rev
	}
	if revision == "" {
		revs = "default"
	} else {
		revs = revision
	}
	v.logger.LogAndPrintf("%d Istio control planes detected, checking --revision %q only", revCount, revs)
	return revision, nil
}

func (v *StatusVerifier) verifyFinalIOP() error {
	crdCount, istioDeploymentCount, daemonSetCount, err := v.verifyPostInstallIstioOperator(

      # stackdriver filter settings.
      stackdriver:
        enabled: false
  # Revision is set as 'version' label and part of the resource names when installing multiple control planes.
  revision: ""
  # Revision tags are aliases to Istio control plane revisions
  revisionTags: []
  # For Helm compatibility.
  ownerName: ""
  # meshConfig defines runtime configuration of components, including Istiod and istio-agent behavior