github.com/mattyw/juju@v0.0.0-20140610034352-732aecd63861/cmd/juju/authorizedkeys_add.go (about)

     1  // Copyright 2013 Canonical Ltd.
     2  // Licensed under the AGPLv3, see LICENCE file for details.
     3  
     4  package main
     5  
     6  import (
     7  	"errors"
     8  	"fmt"
     9  
    10  	"launchpad.net/gnuflag"
    11  
    12  	"github.com/juju/juju/cmd"
    13  	"github.com/juju/juju/cmd/envcmd"
    14  	"github.com/juju/juju/juju"
    15  )
    16  
    17  var addKeysDoc = `
    18  Add new authorized ssh keys to allow the holder of those keys to log on to Juju nodes or machines.
    19  `
    20  
    21  // AddKeysCommand is used to add a new authorized ssh key for a user.
    22  type AddKeysCommand struct {
    23  	envcmd.EnvCommandBase
    24  	user    string
    25  	sshKeys []string
    26  }
    27  
    28  func (c *AddKeysCommand) Info() *cmd.Info {
    29  	return &cmd.Info{
    30  		Name:    "add",
    31  		Args:    "<ssh key> [...]",
    32  		Doc:     addKeysDoc,
    33  		Purpose: "add new authorized ssh keys for a Juju user",
    34  	}
    35  }
    36  
    37  func (c *AddKeysCommand) Init(args []string) error {
    38  	switch len(args) {
    39  	case 0:
    40  		return errors.New("no ssh key specified")
    41  	default:
    42  		c.sshKeys = args
    43  	}
    44  	return nil
    45  }
    46  
    47  func (c *AddKeysCommand) SetFlags(f *gnuflag.FlagSet) {
    48  	f.StringVar(&c.user, "user", "admin", "the user for which to add the keys")
    49  }
    50  
    51  func (c *AddKeysCommand) Run(context *cmd.Context) error {
    52  	client, err := juju.NewKeyManagerClient(c.EnvName)
    53  	if err != nil {
    54  		return err
    55  	}
    56  	defer client.Close()
    57  
    58  	results, err := client.AddKeys(c.user, c.sshKeys...)
    59  	if err != nil {
    60  		return err
    61  	}
    62  	for i, result := range results {
    63  		if result.Error != nil {
    64  			fmt.Fprintf(context.Stderr, "cannot add key %q: %v\n", c.sshKeys[i], result.Error)
    65  		}
    66  	}
    67  	return nil
    68  }