github.com/vmware/govmomi@v0.37.1/govc/license/decode.go (about)

     1  /*
     2  Copyright (c) 2015 VMware, Inc. All Rights Reserved.
     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 license
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  
    23  	"github.com/vmware/govmomi/govc/cli"
    24  	"github.com/vmware/govmomi/govc/flags"
    25  	"github.com/vmware/govmomi/license"
    26  )
    27  
    28  type decode struct {
    29  	*flags.ClientFlag
    30  	*flags.OutputFlag
    31  
    32  	feature string
    33  }
    34  
    35  func init() {
    36  	cli.Register("license.decode", &decode{})
    37  }
    38  
    39  func (cmd *decode) Register(ctx context.Context, f *flag.FlagSet) {
    40  	cmd.ClientFlag, ctx = flags.NewClientFlag(ctx)
    41  	cmd.ClientFlag.Register(ctx, f)
    42  
    43  	cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx)
    44  	cmd.OutputFlag.Register(ctx, f)
    45  
    46  	f.StringVar(&cmd.feature, "feature", "", featureUsage)
    47  }
    48  
    49  func (cmd *decode) Process(ctx context.Context) error {
    50  	if err := cmd.ClientFlag.Process(ctx); err != nil {
    51  		return err
    52  	}
    53  	if err := cmd.OutputFlag.Process(ctx); err != nil {
    54  		return err
    55  	}
    56  	return nil
    57  }
    58  
    59  func (cmd *decode) Usage() string {
    60  	return "KEY..."
    61  }
    62  
    63  func (cmd *decode) Run(ctx context.Context, f *flag.FlagSet) error {
    64  	client, err := cmd.Client()
    65  	if err != nil {
    66  		return err
    67  	}
    68  
    69  	var result license.InfoList
    70  	m := license.NewManager(client)
    71  	for _, v := range f.Args() {
    72  		license, err := m.Decode(ctx, v)
    73  		if err != nil {
    74  			return err
    75  		}
    76  
    77  		result = append(result, license)
    78  	}
    79  
    80  	if cmd.feature != "" {
    81  		result = result.WithFeature(cmd.feature)
    82  	}
    83  
    84  	return cmd.WriteResult(licenseOutput(result))
    85  }