started: true,
			},
			wantManifests: map[name.ComponentName][]string{},
			wantErrs: util.Errors{
				fmt.Errorf("component Base not started in RenderManifest"),
				fmt.Errorf("component Pilot not started in RenderManifest"),
				fmt.Errorf("component Cni not started in RenderManifest"),
			},
		},
		{
			desc: "operator-not-started",
			testOperator: &IstioControlPlane{
				components: []component.IstioComponent{

	c.started = true
	return nil
}

// renderManifest renders the manifest for the component defined by c and returns the resulting string.
func renderManifest(cf *IstioComponentBase) (string, error) {
	if !cf.started {
		metrics.CountManifestRenderError(cf.ComponentName(), metrics.RenderNotStartedError)
		return "", fmt.Errorf("component %s not started in RenderManifest", cf.CommonComponentFields.ComponentName)
	}

type TemplateRenderer interface {
	// Run starts the renderer and should be called before using it.
	Run() error
	// RenderManifest renders the associated helm charts with the given values YAML string and returns the resulting
	// string.
	RenderManifest(values string) (string, error)
	// RenderManifestFiltered filters manifests to render by template file name

		ImagePullSecrets:  ocArgs.imagePullSecrets,
		Revision:          ocArgs.revision,
	}
	vals, err := util.RenderTemplate(tmpl, tv)
	if err != nil {
		return "", "", err
	}
	manifest, err := r.RenderManifest(vals)
	return vals, manifest, err
}

// deploymentExists returns true if the given deployment in the namespace exists.
func deploymentExists(cs kubernetes.Interface, namespace, name string) (bool, error) {

	}
	cp, err := controlplane.NewIstioControlPlane(iop.Spec, t, nil, ver)
	if err != nil {
		return 0, 0, 0, err
	}
	if err := cp.Run(); err != nil {
		return 0, 0, 0, err
	}

	manifests, errs := cp.RenderManifest()
	if len(errs) > 0 {
		return 0, 0, 0, errs.ToError()
	}

	builder := resource.NewBuilder(v.client.UtilFactory()).ContinueOnError().Unstructured()
	for cat, manifest := range manifests {

	cp, err := controlplane.NewIstioControlPlane(mergedIOPS.Spec, t, filter, ver)
	if err != nil {
		return nil, nil, err
	}
	if err := cp.Run(); err != nil {
		return nil, nil, err
	}

	manifests, errs := cp.RenderManifest()
	if errs != nil {
		return manifests, mergedIOPS, errs.ToError()
	}
	return manifests, mergedIOPS, nil
}

// GenerateConfig creates an IstioOperatorSpec from the following sources, overlaid sequentially: