github.com/vmware/govmomi@v0.37.1/govc/vm/guest/auth.go (about)

     1  /*
     2  Copyright (c) 2014-2016 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 guest
    18  
    19  import (
    20  	"context"
    21  	"flag"
    22  	"fmt"
    23  	"os"
    24  	"strings"
    25  
    26  	"github.com/vmware/govmomi/vim25/types"
    27  )
    28  
    29  type AuthFlag struct {
    30  	auth types.NamePasswordAuthentication
    31  	proc bool
    32  }
    33  
    34  func newAuthFlag(ctx context.Context) (*AuthFlag, context.Context) {
    35  	return &AuthFlag{}, ctx
    36  }
    37  
    38  func (flag *AuthFlag) String() string {
    39  	return fmt.Sprintf("%s:%s", flag.auth.Username, strings.Repeat("x", len(flag.auth.Password)))
    40  }
    41  
    42  func (flag *AuthFlag) Set(s string) error {
    43  	c := strings.SplitN(s, ":", 2)
    44  	if len(c) > 0 {
    45  		flag.auth.Username = c[0]
    46  		if len(c) > 1 {
    47  			flag.auth.Password = c[1]
    48  		}
    49  	}
    50  
    51  	return nil
    52  }
    53  
    54  func (flag *AuthFlag) Register(ctx context.Context, f *flag.FlagSet) {
    55  	env := "GOVC_GUEST_LOGIN"
    56  	value := os.Getenv(env)
    57  	err := flag.Set(value)
    58  	if err != nil {
    59  		fmt.Printf("could not set guest login values: %v", err)
    60  	}
    61  	usage := fmt.Sprintf("Guest VM credentials (<user>:<password>) [%s]", env)
    62  	f.Var(flag, "l", usage)
    63  	if flag.proc {
    64  		f.BoolVar(&flag.auth.GuestAuthentication.InteractiveSession, "i", false, "Interactive session")
    65  	}
    66  }
    67  
    68  func (flag *AuthFlag) Process(ctx context.Context) error {
    69  	if flag.auth.Username == "" {
    70  		return fmt.Errorf("guest login username must not be empty")
    71  	}
    72  
    73  	return nil
    74  }
    75  
    76  func (flag *AuthFlag) Auth() types.BaseGuestAuthentication {
    77  	return &flag.auth
    78  }