// map to the corresponding port numbers for the instances behind the
	// service.
	Port int

	// Protocol to be used for the port.
	Protocol protocol.Instance

	// TLS determines if the port will use TLS.
	TLS bool

	// ServerFirst if a port will be server first
	ServerFirst bool

	// InstanceIP determines if echo will listen on the instance IP, or wildcard
	InstanceIP bool

	TLS bool

	// ServerFirst determines whether the port will use server first communication, meaning the client will not send the first byte.
	ServerFirst bool

	// InstanceIP determines if echo will listen on the instance IP; otherwise, it will listen on wildcard
	InstanceIP bool

	// LocalhostIP determines if echo will listen on the localhost IP; otherwise, it will listen on wildcard
	LocalhostIP bool
}

	AutoHTTPS        = echo.Port{Name: "auto-https", Protocol: protocol.HTTPS, ServicePort: 9443, WorkloadPort: 19443, TLS: true}
	HTTPInstance     = echo.Port{Name: "http-instance", Protocol: protocol.HTTP, ServicePort: 82, WorkloadPort: 18082, InstanceIP: true}
	HTTPLocalHost    = echo.Port{Name: "http-localhost", Protocol: protocol.HTTP, ServicePort: 84, WorkloadPort: 18084, LocalhostIP: true}

{{- else }}
          - --port={{ $p.Port }}
{{- end }}
{{- if $p.TLS }}
          - --tls={{ $p.Port }}
{{- end }}
{{- if $p.ServerFirst }}
          - --server-first={{ $p.Port }}
{{- end }}
{{- if $p.InstanceIP }}
          - --bind-ip={{ $p.Port }}
{{- end }}
{{- if $p.LocalhostIP }}
          - --bind-localhost={{ $p.Port }}
{{- end }}
{{- end }}
          - --version={{ $subset.Version }}

             --tls={{ $p.Port }} \
{{- end }}
{{- if $p.InstanceIP }}
             --bind-ip={{ $p.Port }} \
{{- end }}
{{- if $p.LocalhostIP }}
             --bind-localhost={{ $p.Port }} \
{{- end }}
{{- end }}
             --crt=/var/lib/istio/cert.crt \
             --key=/var/lib/istio/cert.key
        env:
        - name: INSTANCE_IP
          valueFrom:
            fieldRef:

	sort.Stable(out)
	return out
}

// Copy this Instances array.
func (i Instances) Copy() Instances {
	return append(Instances{}, i...)
}

// Append returns a new Instances array with the given values appended.
func (i Instances) Append(instances Instances) Instances {
	return append(i.Copy(), instances...)
}

// Restart each Instance
func (i Instances) Restart() error {
	g := multierror.Group{}

}

func (c *instance) Instances() echo.Instances {
	return echo.Instances{c}
}

func (c *instance) Close() (err error) {
	return c.workloadMgr.Close()
}

func (c *instance) NamespacedName() echo.NamespacedName {
	return c.cfg.NamespacedName()
}

func (c *instance) PortForName(name string) echo.Port {
	return c.cfg.Ports.MustForName(name)
}

func (c *instance) ServiceName() string {

var (
	serverLog           = log.RegisterScope("server", "echo server")
	_         io.Closer = &Instance{}
)

// Instance of the Echo server.
type Instance struct {
	Config

	endpoints     []endpoint.Instance
	metricsServer *http.Server
	ready         uint32
}

// New creates a new server instance.
func New(config Config) *Instance {
	log.Infof("Creating Server with config:\n%s", config)

	"istio.io/istio/pkg/test/echo/proto"
)

var _ io.Closer = &Instance{}

// Instance is a client for forwarding requests to echo servers.
type Instance struct {
	e           *executor
	protocolMap map[scheme.Instance]protocol
	protocols   []protocol
}

// New creates a new forwarder Instance.
func New() *Instance {
	var protocols []protocol
	add := func(p protocol) protocol {

package protocol

import "strings"

// Instance defines network protocols for ports
type Instance string

func (i Instance) String() string {
	return string(i)
}

const (
	// GRPC declares that the port carries gRPC traffic.
	GRPC Instance = "GRPC"
	// GRPCWeb declares that the port carries gRPC traffic.
	GRPCWeb Instance = "GRPC-Web"
	// HTTP declares that the port carries HTTP/1.1 traffic.