internal/bbsimctl/commands/olt.go - bbsim - Gitiles

 /*
  * Portions copyright 2019-present Open Networking Foundation
  * Original copyright 2019-present Ciena Corporation
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package commands

 import (
 	"context"
 	"fmt"
 	"os"
 	"strconv"
 	"strings"

 	"github.com/jessevdk/go-flags"
 	"github.com/olekukonko/tablewriter"
 	pb "github.com/opencord/bbsim/api/bbsim"
 	"github.com/opencord/bbsim/internal/bbsimctl/config"
 	"github.com/opencord/cordctl/pkg/format"
 	log "github.com/sirupsen/logrus"
 )

 const (
 	DEFAULT_OLT_DEVICE_HEADER_FORMAT    = "table{{ .ID }}\t{{ .SerialNumber }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .IP }}"
 	DEFAULT_OLT_RESOURCES_HEADER_FORMAT = "table{{ .Type }}\t{{ .PonPortId }}\t{{ .OnuId }}\t{{ .PortNo }}\t{{ .ResourceId }}\t{{ .FlowId }}"
 	DEFAULT_NNI_PORT_HEADER_FORMAT      = "table{{ .ID }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .PacketCount }}"
 	DEFAULT_PON_PORT_HEADER_FORMAT      = "table{{ .ID }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .PacketCount }}\t{{ .AllocatedOnuIds }}\t{{ .AllocatedGemPorts }}\t{{ .AllocatedAllocIds }}"
 )

 type OltGet struct{}

 type OltNNIs struct{}

 type OltPONs struct{}

 type OltShutdown struct{}

 type OltPoweron struct{}

 type OltReboot struct{}

 type StopGrpcServer struct{}

 type StartGrpcServer struct{}
 type RestartGrpcServer struct {
 	Args struct {
 		Delay uint32
 	} `positional-args:"yes" required:"yes"`
 }

 type OltFlows struct{}

 type OltPoweronAllOnus struct{}

 type OltShutdownAllOnus struct{}

 type oltResourcesType string
 type OltResources struct {
 	Args struct {
 		Type oltResourcesType
 	} `positional-args:"yes" required:"yes"`
 }

 type oltOptions struct {
 	Get             OltGet             `command:"get"`
 	GetResources    OltResources       `command:"resources"`
 	NNI             OltNNIs            `command:"nnis"`
 	PON             OltPONs            `command:"pons"`
 	Shutdown        OltShutdown        `command:"shutdown"`
 	Poweron         OltPoweron         `command:"poweron"`
 	Reboot          OltReboot          `command:"reboot"`
 	Alarms          OltAlarmOptions    `command:"alarms"`
 	Flows           OltFlows           `command:"flows"`
 	PoweronAllOnus  OltPoweronAllOnus  `command:"poweronAllONUs"`
 	ShutdownAllOnus OltShutdownAllOnus `command:"shutdownAllONUs"`
 	StopServer      StopGrpcServer     `command:"stopServer"`
 	StartServer     StartGrpcServer    `command:"startServer"`
 	RestartServer   RestartGrpcServer  `command:"restartServer"`
 }

 func RegisterOltCommands(parser *flags.Parser) {
 	_, _ = parser.AddCommand("olt", "OLT Commands", "Commands to query and manipulate the OLT device", &oltOptions{})
 }

 func getOLT() *pb.Olt {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()
 	olt, err := client.GetOlt(ctx, &pb.Empty{})
 	if err != nil {
 		log.Fatalf("could not get OLT: %v", err)
 		return nil
 	}
 	return olt
 }

 func printOltHeader(prefix string, o *pb.Olt) {
 	fmt.Println(fmt.Sprintf("%s : %s", prefix, o.SerialNumber))
 	fmt.Println()
 }

 func (o *OltGet) Execute(args []string) error {
 	olt := getOLT()

 	// print out
 	tableFormat := format.Format(DEFAULT_OLT_DEVICE_HEADER_FORMAT)
 	_ = tableFormat.Execute(os.Stdout, true, olt)

 	return nil
 }

 func (o *OltResources) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	resourceType := pb.OltAllocatedResourceType_Type_value[string(o.Args.Type)]

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()
 	resources, err := client.GetOltAllocatedResources(ctx, &pb.OltAllocatedResourceType{Type: pb.OltAllocatedResourceType_Type(resourceType)})

 	if err != nil {
 		log.Fatalf("could not get OLT resources: %v", err)
 		return nil
 	}

 	tableFormat := format.Format(DEFAULT_OLT_RESOURCES_HEADER_FORMAT)
 	if err := tableFormat.Execute(os.Stdout, true, resources.Resources); err != nil {
 		return err
 	}
 	return nil
 }

 func (o *OltNNIs) Execute(args []string) error {
 	olt := getOLT()

 	printOltHeader("NNI Ports for", olt)

 	tableFormat := format.Format(DEFAULT_NNI_PORT_HEADER_FORMAT)
 	_ = tableFormat.Execute(os.Stdout, true, olt.NNIPorts)

 	return nil
 }

 func (o *OltPONs) Execute(args []string) error {
 	olt := getOLT()

 	printOltHeader("PON Ports for", olt)

 	tableFormat := format.Format(DEFAULT_PON_PORT_HEADER_FORMAT)
 	_ = tableFormat.Execute(os.Stdout, true, olt.PONPorts)

 	return nil
 }

 func (o *OltShutdown) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.ShutdownOlt(ctx, &pb.Empty{})

 	if err != nil {
 		log.Fatalf("Cannot shut down OLT: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *OltPoweron) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.PoweronOlt(ctx, &pb.Empty{})

 	if err != nil {
 		log.Fatalf("Cannot power on OLT: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *OltReboot) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.RebootOlt(ctx, &pb.Empty{})

 	if err != nil {
 		log.Fatalf("Cannot reboot OLT: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *StopGrpcServer) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.StopgRPCServer(ctx, &pb.Empty{})

 	if err != nil {
 		log.Fatalf("Cannot stop Openolt server: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *StartGrpcServer) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.StartgRPCServer(ctx, &pb.Empty{})

 	if err != nil {
 		log.Fatalf("Cannot start Openolt server: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *RestartGrpcServer) Execute(args []string) error {
 	req := &pb.Timeout{
 		Delay: o.Args.Delay,
 	}
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.RestartgRPCServer(ctx, req)

 	if err != nil {
 		log.Fatalf("Cannot restart Openolt server: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *OltFlows) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	req := pb.ONURequest{}
 	res, err := client.GetFlows(ctx, &req)
 	if err != nil {
 		log.Errorf("Cannot get flows for OLT: %v", err)
 		return err
 	}

 	if res.Flows == nil {
 		fmt.Println("OLT has no flows")
 		return nil
 	}

 	flowHeader := []string{
 		"access_intf_id",
 		"onu_id",
 		"uni_id",
 		"flow_id",
 		"flow_type",
 		"eth_type",
 		"alloc_id",
 		"network_intf_id",
 		"gemport_id",
 		"classifier",
 		"action",
 		"priority",
 		"cookie",
 		"port_no",
 	}

 	tableFlow := tablewriter.NewWriter(os.Stdout)
 	tableFlow.SetRowLine(true)
 	fmt.Fprintf(os.Stdout, "OLT Flows:\n")
 	tableFlow.SetHeader(flowHeader)

 	for _, flow := range res.Flows {
 		flowInfo := []string{}
 		flowInfo = append(flowInfo,
 			strconv.Itoa(int(flow.AccessIntfId)),
 			strconv.Itoa(int(flow.OnuId)),
 			strconv.Itoa(int(flow.UniId)),
 			strconv.Itoa(int(flow.FlowId)),
 			flow.FlowType,
 			fmt.Sprintf("%x", flow.Classifier.EthType),
 			strconv.Itoa(int(flow.AllocId)),
 			strconv.Itoa(int(flow.NetworkIntfId)),
 			strconv.Itoa(int(flow.GemportId)),
 			flow.Classifier.String(),
 			flow.Action.String(),
 			strconv.Itoa(int(flow.Priority)),
 			strconv.Itoa(int(flow.Cookie)),
 			strconv.Itoa(int(flow.PortNo)),
 		)
 		tableFlow.Append(flowInfo)
 	}
 	tableFlow.Render()
 	tableFlow.SetNewLine("")
 	return nil
 }

 func (o *OltPoweronAllOnus) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.PoweronAllONUs(ctx, &pb.Empty{})

 	if err != nil {
 		log.Errorf("Cannot poweron all ONUs: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (o *OltShutdownAllOnus) Execute(args []string) error {
 	client, conn := connect()
 	defer conn.Close()

 	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
 	defer cancel()

 	res, err := client.ShutdownAllONUs(ctx, &pb.Empty{})

 	if err != nil {
 		log.Errorf("Cannot shutdown all ONUs: %v", err)
 		return err
 	}

 	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
 	return nil
 }

 func (rt *oltResourcesType) Complete(match string) []flags.Completion {
 	list := make([]flags.Completion, 0)
 	for k := range pb.OltAllocatedResourceType_Type_value {
 		if strings.HasPrefix(k, strings.ToUpper(match)) && k != pb.OltAllocatedResourceType_UNKNOWN.String() {
 			list = append(list, flags.Completion{Item: k})
 		}
 	}
 	return list
 }
	/*
	* Portions copyright 2019-present Open Networking Foundation
	* Original copyright 2019-present Ciena Corporation
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package commands

	import (
	"context"
	"fmt"
	"os"
	"strconv"
	"strings"

	"github.com/jessevdk/go-flags"
	"github.com/olekukonko/tablewriter"
	pb "github.com/opencord/bbsim/api/bbsim"
	"github.com/opencord/bbsim/internal/bbsimctl/config"
	"github.com/opencord/cordctl/pkg/format"
	log "github.com/sirupsen/logrus"
	)

	const (
	DEFAULT_OLT_DEVICE_HEADER_FORMAT = "table{{ .ID }}\t{{ .SerialNumber }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .IP }}"
	DEFAULT_OLT_RESOURCES_HEADER_FORMAT = "table{{ .Type }}\t{{ .PonPortId }}\t{{ .OnuId }}\t{{ .PortNo }}\t{{ .ResourceId }}\t{{ .FlowId }}"
	DEFAULT_NNI_PORT_HEADER_FORMAT = "table{{ .ID }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .PacketCount }}"
	DEFAULT_PON_PORT_HEADER_FORMAT = "table{{ .ID }}\t{{ .OperState }}\t{{ .InternalState }}\t{{ .PacketCount }}\t{{ .AllocatedOnuIds }}\t{{ .AllocatedGemPorts }}\t{{ .AllocatedAllocIds }}"
	)

	type OltGet struct{}

	type OltNNIs struct{}

	type OltPONs struct{}

	type OltShutdown struct{}

	type OltPoweron struct{}

	type OltReboot struct{}

	type StopGrpcServer struct{}

	type StartGrpcServer struct{}
	type RestartGrpcServer struct {
	Args struct {
	Delay uint32
	} `positional-args:"yes" required:"yes"`
	}

	type OltFlows struct{}

	type OltPoweronAllOnus struct{}

	type OltShutdownAllOnus struct{}

	type oltResourcesType string
	type OltResources struct {
	Args struct {
	Type oltResourcesType
	} `positional-args:"yes" required:"yes"`
	}

	type oltOptions struct {
	Get OltGet `command:"get"`
	GetResources OltResources `command:"resources"`
	NNI OltNNIs `command:"nnis"`
	PON OltPONs `command:"pons"`
	Shutdown OltShutdown `command:"shutdown"`
	Poweron OltPoweron `command:"poweron"`
	Reboot OltReboot `command:"reboot"`
	Alarms OltAlarmOptions `command:"alarms"`
	Flows OltFlows `command:"flows"`
	PoweronAllOnus OltPoweronAllOnus `command:"poweronAllONUs"`
	ShutdownAllOnus OltShutdownAllOnus `command:"shutdownAllONUs"`
	StopServer StopGrpcServer `command:"stopServer"`
	StartServer StartGrpcServer `command:"startServer"`
	RestartServer RestartGrpcServer `command:"restartServer"`
	}

	func RegisterOltCommands(parser *flags.Parser) {
	_, _ = parser.AddCommand("olt", "OLT Commands", "Commands to query and manipulate the OLT device", &oltOptions{})
	}

	func getOLT() *pb.Olt {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()
	olt, err := client.GetOlt(ctx, &pb.Empty{})
	if err != nil {
	log.Fatalf("could not get OLT: %v", err)
	return nil
	}
	return olt
	}

	func printOltHeader(prefix string, o *pb.Olt) {
	fmt.Println(fmt.Sprintf("%s : %s", prefix, o.SerialNumber))
	fmt.Println()
	}

	func (o *OltGet) Execute(args []string) error {
	olt := getOLT()

	// print out
	tableFormat := format.Format(DEFAULT_OLT_DEVICE_HEADER_FORMAT)
	_ = tableFormat.Execute(os.Stdout, true, olt)

	return nil
	}

	func (o *OltResources) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	resourceType := pb.OltAllocatedResourceType_Type_value[string(o.Args.Type)]

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()
	resources, err := client.GetOltAllocatedResources(ctx, &pb.OltAllocatedResourceType{Type: pb.OltAllocatedResourceType_Type(resourceType)})

	if err != nil {
	log.Fatalf("could not get OLT resources: %v", err)
	return nil
	}

	tableFormat := format.Format(DEFAULT_OLT_RESOURCES_HEADER_FORMAT)
	if err := tableFormat.Execute(os.Stdout, true, resources.Resources); err != nil {
	return err
	}
	return nil
	}

	func (o *OltNNIs) Execute(args []string) error {
	olt := getOLT()

	printOltHeader("NNI Ports for", olt)

	tableFormat := format.Format(DEFAULT_NNI_PORT_HEADER_FORMAT)
	_ = tableFormat.Execute(os.Stdout, true, olt.NNIPorts)

	return nil
	}

	func (o *OltPONs) Execute(args []string) error {
	olt := getOLT()

	printOltHeader("PON Ports for", olt)

	tableFormat := format.Format(DEFAULT_PON_PORT_HEADER_FORMAT)
	_ = tableFormat.Execute(os.Stdout, true, olt.PONPorts)

	return nil
	}

	func (o *OltShutdown) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.ShutdownOlt(ctx, &pb.Empty{})

	if err != nil {
	log.Fatalf("Cannot shut down OLT: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *OltPoweron) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.PoweronOlt(ctx, &pb.Empty{})

	if err != nil {
	log.Fatalf("Cannot power on OLT: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *OltReboot) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.RebootOlt(ctx, &pb.Empty{})

	if err != nil {
	log.Fatalf("Cannot reboot OLT: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *StopGrpcServer) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.StopgRPCServer(ctx, &pb.Empty{})

	if err != nil {
	log.Fatalf("Cannot stop Openolt server: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *StartGrpcServer) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.StartgRPCServer(ctx, &pb.Empty{})

	if err != nil {
	log.Fatalf("Cannot start Openolt server: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *RestartGrpcServer) Execute(args []string) error {
	req := &pb.Timeout{
	Delay: o.Args.Delay,
	}
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.RestartgRPCServer(ctx, req)

	if err != nil {
	log.Fatalf("Cannot restart Openolt server: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *OltFlows) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	req := pb.ONURequest{}
	res, err := client.GetFlows(ctx, &req)
	if err != nil {
	log.Errorf("Cannot get flows for OLT: %v", err)
	return err
	}

	if res.Flows == nil {
	fmt.Println("OLT has no flows")
	return nil
	}

	flowHeader := []string{
	"access_intf_id",
	"onu_id",
	"uni_id",
	"flow_id",
	"flow_type",
	"eth_type",
	"alloc_id",
	"network_intf_id",
	"gemport_id",
	"classifier",
	"action",
	"priority",
	"cookie",
	"port_no",
	}

	tableFlow := tablewriter.NewWriter(os.Stdout)
	tableFlow.SetRowLine(true)
	fmt.Fprintf(os.Stdout, "OLT Flows:\n")
	tableFlow.SetHeader(flowHeader)

	for _, flow := range res.Flows {
	flowInfo := []string{}
	flowInfo = append(flowInfo,
	strconv.Itoa(int(flow.AccessIntfId)),
	strconv.Itoa(int(flow.OnuId)),
	strconv.Itoa(int(flow.UniId)),
	strconv.Itoa(int(flow.FlowId)),
	flow.FlowType,
	fmt.Sprintf("%x", flow.Classifier.EthType),
	strconv.Itoa(int(flow.AllocId)),
	strconv.Itoa(int(flow.NetworkIntfId)),
	strconv.Itoa(int(flow.GemportId)),
	flow.Classifier.String(),
	flow.Action.String(),
	strconv.Itoa(int(flow.Priority)),
	strconv.Itoa(int(flow.Cookie)),
	strconv.Itoa(int(flow.PortNo)),
	)
	tableFlow.Append(flowInfo)
	}
	tableFlow.Render()
	tableFlow.SetNewLine("")
	return nil
	}

	func (o *OltPoweronAllOnus) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.PoweronAllONUs(ctx, &pb.Empty{})

	if err != nil {
	log.Errorf("Cannot poweron all ONUs: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (o *OltShutdownAllOnus) Execute(args []string) error {
	client, conn := connect()
	defer conn.Close()

	ctx, cancel := context.WithTimeout(context.Background(), config.GlobalConfig.Grpc.Timeout)
	defer cancel()

	res, err := client.ShutdownAllONUs(ctx, &pb.Empty{})

	if err != nil {
	log.Errorf("Cannot shutdown all ONUs: %v", err)
	return err
	}

	fmt.Println(fmt.Sprintf("[Status: %d] %s", res.StatusCode, res.Message))
	return nil
	}

	func (rt *oltResourcesType) Complete(match string) []flags.Completion {
	list := make([]flags.Completion, 0)
	for k := range pb.OltAllocatedResourceType_Type_value {
	if strings.HasPrefix(k, strings.ToUpper(match)) && k != pb.OltAllocatedResourceType_UNKNOWN.String() {
	list = append(list, flags.Completion{Item: k})
	}
	}
	return list
	}