github.com/openebs/node-disk-manager@v1.9.1-0.20230225014141-4531f06ffa1e/cmd/ndm_daemonset/app/command/start.go (about)

     1  /*
     2  Copyright 2018 The OpenEBS Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package command
    18  
    19  import (
    20  	goflag "flag"
    21  	"fmt"
    22  	"os"
    23  
    24  	"github.com/openebs/node-disk-manager/cmd/ndm_daemonset/controller"
    25  	"github.com/openebs/node-disk-manager/cmd/ndm_daemonset/filter"
    26  	"github.com/openebs/node-disk-manager/cmd/ndm_daemonset/grpc"
    27  	"github.com/openebs/node-disk-manager/cmd/ndm_daemonset/probe"
    28  	"github.com/openebs/node-disk-manager/pkg/features"
    29  
    30  	"github.com/spf13/cobra"
    31  	"github.com/spf13/pflag"
    32  )
    33  
    34  //NewCmdStart starts the ndm controller
    35  func NewCmdStart() *cobra.Command {
    36  
    37  	//var target string
    38  	getCmd := &cobra.Command{
    39  		Use:   "start",
    40  		Short: "Node disk controller",
    41  		Long:  ` watches for ndm custom resources via "ndm start" command `,
    42  		Run: func(cmd *cobra.Command, args []string) {
    43  			ctrl, err := controller.NewController()
    44  			if err != nil {
    45  				fmt.Println(err)
    46  				os.Exit(1)
    47  			}
    48  
    49  			isAPIServiceEnabled := features.FeatureGates.IsEnabled(features.APIService)
    50  			if isAPIServiceEnabled {
    51  				go grpc.Start()
    52  			}
    53  			// set the NDM config from the options
    54  			err = ctrl.SetControllerOptions(options)
    55  			if err != nil {
    56  				fmt.Println(err)
    57  				os.Exit(1)
    58  			}
    59  			// Broadcast starts broadcasting controller pointer. Using this
    60  			// each probe and filter registers themselves.
    61  			ctrl.Broadcast()
    62  			// Start starts registering of filters present in RegisteredFilters
    63  			filter.Start(filter.RegisteredFilters)
    64  			// Start starts registering of probes present in RegisteredProbes
    65  			probe.Start(probe.RegisteredProbes)
    66  			ctrl.Start()
    67  
    68  		},
    69  	}
    70  	pflag.CommandLine.AddGoFlagSet(goflag.CommandLine)
    71  	getCmd.PersistentFlags().StringVar(&grpc.Address, "api-service-address",
    72  		grpc.DefaultAddress,
    73  		"Address(ip:port) for api service")
    74  
    75  	return getCmd
    76  }