github.com/cloudbase/juju-core@v0.0.0-20140504232958-a7271ac7912f/cmd/juju/authorisedkeys_import.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  	"launchpad.net/juju-core/cmd"
    13  	"launchpad.net/juju-core/juju"
    14  )
    15  
    16  var importKeysDoc = `
    17  Import new authorised ssh keys to allow the holder of those keys to log on to Juju nodes or machines.
    18  The keys are imported using ssh-import-id.
    19  `
    20  
    21  // ImportKeysCommand is used to add new authorized ssh keys for a user.
    22  type ImportKeysCommand struct {
    23  	cmd.EnvCommandBase
    24  	user      string
    25  	sshKeyIds []string
    26  }
    27  
    28  func (c *ImportKeysCommand) Info() *cmd.Info {
    29  	return &cmd.Info{
    30  		Name:    "import",
    31  		Args:    "<ssh key id> [...]",
    32  		Doc:     importKeysDoc,
    33  		Purpose: "using ssh-import-id, import new authorized ssh keys for a Juju user",
    34  	}
    35  }
    36  
    37  func (c *ImportKeysCommand) Init(args []string) error {
    38  	switch len(args) {
    39  	case 0:
    40  		return errors.New("no ssh key id specified")
    41  	default:
    42  		c.sshKeyIds = args
    43  	}
    44  	return nil
    45  }
    46  
    47  func (c *ImportKeysCommand) SetFlags(f *gnuflag.FlagSet) {
    48  	c.EnvCommandBase.SetFlags(f)
    49  	f.StringVar(&c.user, "user", "admin", "the user for which to import the keys")
    50  }
    51  
    52  func (c *ImportKeysCommand) Run(context *cmd.Context) error {
    53  	client, err := juju.NewKeyManagerClient(c.EnvName)
    54  	if err != nil {
    55  		return err
    56  	}
    57  	defer client.Close()
    58  
    59  	results, err := client.ImportKeys(c.user, c.sshKeyIds...)
    60  	if err != nil {
    61  		return err
    62  	}
    63  	for i, result := range results {
    64  		if result.Error != nil {
    65  			fmt.Fprintf(context.Stderr, "cannot import key id %q: %v\n", c.sshKeyIds[i], result.Error)
    66  		}
    67  	}
    68  	return nil
    69  }