github.com/vmware/govmomi@v0.43.0/govc/role/usage.go (about)

     1  /*
     2  Copyright (c) 2016 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 role
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  
    23  	"github.com/vmware/govmomi/govc/cli"
    24  	"github.com/vmware/govmomi/govc/permissions"
    25  )
    26  
    27  type usage struct {
    28  	*permissions.PermissionFlag
    29  }
    30  
    31  func init() {
    32  	cli.Register("role.usage", &usage{})
    33  }
    34  
    35  func (cmd *usage) Register(ctx context.Context, f *flag.FlagSet) {
    36  	cmd.PermissionFlag, ctx = permissions.NewPermissionFlag(ctx)
    37  	cmd.PermissionFlag.Register(ctx, f)
    38  }
    39  
    40  func (cmd *usage) Process(ctx context.Context) error {
    41  	if err := cmd.PermissionFlag.Process(ctx); err != nil {
    42  		return err
    43  	}
    44  	return nil
    45  }
    46  
    47  func (cmd *usage) Usage() string {
    48  	return "NAME..."
    49  }
    50  
    51  func (cmd *usage) Description() string {
    52  	return `List usage for role NAME.
    53  
    54  Examples:
    55    govc role.usage
    56    govc role.usage Admin`
    57  }
    58  
    59  func (cmd *usage) Run(ctx context.Context, f *flag.FlagSet) error {
    60  	m, err := cmd.Manager(ctx)
    61  	if err != nil {
    62  		return err
    63  	}
    64  
    65  	if f.NArg() == 0 {
    66  		cmd.List.Permissions, err = m.RetrieveAllPermissions(ctx)
    67  		if err != nil {
    68  			return err
    69  		}
    70  	} else {
    71  		for _, name := range f.Args() {
    72  			role, err := cmd.Role(name)
    73  			if err != nil {
    74  				return err
    75  			}
    76  
    77  			perms, err := m.RetrieveRolePermissions(ctx, role.RoleId)
    78  			if err != nil {
    79  				return err
    80  			}
    81  
    82  			cmd.List.Add(perms)
    83  		}
    84  	}
    85  
    86  	return cmd.WriteResult(&cmd.List)
    87  }