apiVersion: release-notes/v2
kind: feature
area: traffic-management
issue:
  - 28634

releaseNotes:
- |

import (
	"google.golang.org/protobuf/types/known/timestamppb"

	mcp "istio.io/api/mcp/v1alpha1"
)

// Convert from model.Config, which has no associated proto, to MCP Resource proto.
// TODO: define a proto matching Config - to avoid useless superficial conversions.
func PilotConfigToResource(c *Config) (*mcp.Resource, error) {
	r := &mcp.Resource{}

	// MCP, K8S and Istio configs use gogo configs

	"istio.io/istio/pkg/config/schema/gvk"
	"istio.io/istio/pkg/log"
)

// APIGenerator supports generation of high-level API resources, similar with the MCP
// protocol. This is a replacement for MCP, using XDS (and in future UDPA) as a transport.
// Based on lessons from MCP, the protocol allows incremental updates by
// default, using the same mechanism that EDS is using, i.e. sending only changed resources

}

func constructResourceWithOptions(name string, host string, address, version string, options ...func(resource *mcp.Resource)) *anypb.Any {
	service := &networking.ServiceEntry{
		Hosts:     []string{host},
		Addresses: []string{address},
	}
	seAny := protoconv.MessageToAny(service)
	resource := &mcp.Resource{
		Metadata: &mcp.Metadata{
			Name:       "default/" + name,
			CreateTime: timestamppb.Now(),
			Version:    version,

import (
	"istio.io/istio/pkg/config"
	"istio.io/istio/pkg/config/schema/resource"
	"istio.io/istio/pkg/kube/controllers"
)

// PilotConfigToInstance convert from config.Config, which has no associated proto, to MCP Resource proto.
func PilotConfigToInstance(c *config.Config, schema resource.Schema) *Instance {
	return &Instance{
		Metadata: Metadata{
			Schema:      schema,

	"google.golang.org/grpc/credentials/insecure"
	"google.golang.org/protobuf/proto"
	anypb "google.golang.org/protobuf/types/known/anypb"
	pstruct "google.golang.org/protobuf/types/known/structpb"

	mcp "istio.io/api/mcp/v1alpha1"
	"istio.io/api/mesh/v1alpha1"
	mem "istio.io/istio/pilot/pkg/config/memory"
	"istio.io/istio/pilot/pkg/model"
	"istio.io/istio/pilot/pkg/networking/util"
	"istio.io/istio/pilot/pkg/serviceregistry/memory"

const (
	// fs:///PATH will load local files. This replaces --configDir.
	// example fs:///tmp/configroot
	// PATH can be mounted from a config map or volume
	File ConfigSourceAddressScheme = "fs"
	// xds://ADDRESS - load XDS-over-MCP sources
	// example xds://127.0.0.1:49133
	XDS ConfigSourceAddressScheme = "xds"
	// k8s:// - load in-cluster k8s controller
	// example k8s://
	Kubernetes ConfigSourceAddressScheme = "k8s"
)

	XDSSAN string

	// Plaintext forces plain text communication (for talking to port 15010)
	Plaintext bool

	// GCP project number or ID to use for XDS calls, if any.
	GCPProject string

	// Istiod address. For MCP may be different than Xds.
	IstiodAddr string
}

// AttachControlPlaneFlags attaches control-plane flags to a Cobra command.
// (Currently just --endpoint)

/pkg/monitoring/                                                 @istio/wg-networking-maintainers @istio/wg-policies-and-telemetry-maintainers
/pkg/kube/                                                       @istio/wg-networking-maintainers
/pkg/mcp/                                                        @istio/wg-networking-maintainers
/pkg/queue/                                                      @istio/wg-networking-maintainers

		Type:            col,
		FullName:        res.Metadata.FullName,
		ResourceVersion: resource.Version(cfg.ResourceVersion),
		Ref:             outref,
		FieldsMap:       out,
		Cluster:         cluster,
	}
	// MCP is not aware of generation, add that here.
	res.Metadata.Generation = cfg.Generation
	return res, nil