github.com/cloudbase/juju-core@v0.0.0-20140504232958-a7271ac7912f/cmd/juju/authorisedkeys_delete.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 deleteKeysDoc = ` 17 Delete existing authorised ssh keys to remove ssh access for the holder of those keys. 18 The keys to delete are found by specifying either the "comment" portion of the ssh key, 19 typically something like "user@host", or the key fingerprint found by using ssh-keygen. 20 ` 21 22 // DeleteKeysCommand is used to delete authorized ssh keys for a user. 23 type DeleteKeysCommand struct { 24 cmd.EnvCommandBase 25 user string 26 keyIds []string 27 } 28 29 func (c *DeleteKeysCommand) Info() *cmd.Info { 30 return &cmd.Info{ 31 Name: "delete", 32 Args: "<ssh key id> [...]", 33 Doc: deleteKeysDoc, 34 Purpose: "delete authorized ssh keys for a Juju user", 35 } 36 } 37 38 func (c *DeleteKeysCommand) Init(args []string) error { 39 switch len(args) { 40 case 0: 41 return errors.New("no ssh key id specified") 42 default: 43 c.keyIds = args 44 } 45 return nil 46 } 47 48 func (c *DeleteKeysCommand) SetFlags(f *gnuflag.FlagSet) { 49 c.EnvCommandBase.SetFlags(f) 50 f.StringVar(&c.user, "user", "admin", "the user for which to delete the keys") 51 } 52 53 func (c *DeleteKeysCommand) Run(context *cmd.Context) error { 54 client, err := juju.NewKeyManagerClient(c.EnvName) 55 if err != nil { 56 return err 57 } 58 defer client.Close() 59 60 results, err := client.DeleteKeys(c.user, c.keyIds...) 61 if err != nil { 62 return err 63 } 64 for i, result := range results { 65 if result.Error != nil { 66 fmt.Fprintf(context.Stderr, "cannot delete key id %q: %v\n", c.keyIds[i], result.Error) 67 } 68 } 69 return nil 70 }