github.com/vmware/govmomi@v0.51.0/cli/namespace/service/ls.go (about)

     1  // © Broadcom. All Rights Reserved.
     2  // The term “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.
     3  // SPDX-License-Identifier: Apache-2.0
     4  
     5  package service
     6  
     7  import (
     8  	"context"
     9  	"encoding/json"
    10  	"flag"
    11  	"fmt"
    12  	"io"
    13  	"os"
    14  	"text/tabwriter"
    15  
    16  	"github.com/vmware/govmomi/cli"
    17  	"github.com/vmware/govmomi/cli/flags"
    18  	"github.com/vmware/govmomi/vapi/namespace"
    19  )
    20  
    21  type ls struct {
    22  	*flags.ClientFlag
    23  	*flags.OutputFlag
    24  
    25  	long bool
    26  }
    27  
    28  func init() {
    29  	cli.Register("namespace.service.ls", &ls{})
    30  }
    31  
    32  func (cmd *ls) Register(ctx context.Context, f *flag.FlagSet) {
    33  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    34  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    35  	cmd.ClientFlag.Register(ctx, f)
    36  	cmd.OutputFlag.Register(ctx, f)
    37  
    38  	f.BoolVar(&cmd.long, "l", false, "Long listing format")
    39  }
    40  
    41  func (cmd *ls) Process(ctx context.Context) error {
    42  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    43  		return err
    44  	}
    45  	return cmd.OutputFlag.Process(ctx)
    46  }
    47  
    48  func (cmd *ls) Description() string {
    49  	return `List all registered vSphere Supervisor Services.
    50  
    51  Examples:
    52    govc namespace.service.ls
    53    govc namespace.service.ls -l
    54    govc namespace.service.ls -json | jq .`
    55  }
    56  
    57  type lsWriter struct {
    58  	cmd     *ls
    59  	Service []namespace.SupervisorServiceSummary `json:"service"`
    60  }
    61  
    62  func (r *lsWriter) Write(w io.Writer) error {
    63  	tw := tabwriter.NewWriter(os.Stdout, 2, 0, 2, ' ', 0)
    64  
    65  	for _, svc := range r.Service {
    66  		fmt.Fprintf(tw, "%s", svc.ID)
    67  		if r.cmd.long {
    68  			fmt.Fprintf(tw, "\t%s", svc.State)
    69  			fmt.Fprintf(tw, "\t%s", svc.Name)
    70  		}
    71  		fmt.Fprintf(tw, "\n")
    72  	}
    73  	return tw.Flush()
    74  }
    75  
    76  func (r *lsWriter) MarshalJSON() ([]byte, error) {
    77  	return json.Marshal(r.Service)
    78  }
    79  
    80  func (r *lsWriter) Dump() any {
    81  	return r.Service
    82  }
    83  
    84  func (cmd *ls) Run(ctx context.Context, f *flag.FlagSet) error {
    85  	c, err := cmd.RestClient()
    86  	if err != nil {
    87  		return err
    88  	}
    89  
    90  	m := namespace.NewManager(c)
    91  	supervisorservices, err := m.ListSupervisorServices(ctx)
    92  	if err != nil {
    93  		return err
    94  	}
    95  
    96  	return cmd.WriteResult(&lsWriter{cmd, supervisorservices})
    97  }