Example #1
0
func (s *configSuite) TestClientConfigNonLocal(c *gc.C) {
	cfg := lxd.NewBaseConfig(c)
	ecfg := lxd.NewConfig(cfg)
	ecfg = ecfg.Apply(c, map[string]interface{}{
		"remote-url":  "10.0.0.1",
		"client-cert": "<a valid x.509 cert>",
		"client-key":  "<a valid x.509 key>",
	})

	clientCfg, err := ecfg.ClientConfig()
	c.Assert(err, jc.ErrorIsNil)

	c.Check(clientCfg, jc.DeepEquals, lxdclient.Config{
		Namespace: cfg.Name(),
		Dirname:   lxdlib.ConfigPath("juju-testenv"),
		Remote: lxdclient.Remote{
			Name: "juju-remote",
			Host: "10.0.0.1",
			Cert: &lxdclient.Cert{
				Name:    fmt.Sprintf("juju cert for env %q", s.config.Name()),
				CertPEM: []byte("<a valid x.509 cert>"),
				KeyPEM:  []byte("<a valid x.509 key>"),
			},
		},
	})
}
Example #2
0
// WithDefaults updates a copy of the config with default values
// where needed.
func (cfg Config) WithDefaults() (Config, error) {
	// We leave a blank namespace alone.
	// Also, note that cfg is a value receiver, so it is an implicit copy.

	if cfg.Dirname == "" {
		// TODO(ericsnow) Switch to filepath as soon as LXD does.
		dirname := path.Dir(lxd.ConfigPath("DUMMY"))
		cfg.Dirname = path.Clean(dirname)
	}

	var err error
	cfg.Remote, err = cfg.Remote.WithDefaults()
	if err != nil {
		return cfg, errors.Trace(err)
	}

	return cfg, nil
}
Example #3
0
func (s *configSuite) TestClientConfigLocal(c *gc.C) {
	cfg := lxd.NewBaseConfig(c)
	ecfg := lxd.NewConfig(cfg)
	values, _ := ecfg.Values(c)
	c.Assert(values.RemoteURL, gc.Equals, "")

	clientCfg, err := ecfg.ClientConfig()
	c.Assert(err, jc.ErrorIsNil)

	c.Check(clientCfg, jc.DeepEquals, lxdclient.Config{
		Namespace: cfg.Name(),
		Dirname:   lxdlib.ConfigPath("juju-testenv"),
		Remote: lxdclient.Remote{
			Name: "juju-remote",
			Host: "",
			Cert: nil,
		},
	})
}
Example #4
0
func run() error {
	gettext.BindTextdomain("lxd", "", nil)
	gettext.Textdomain("lxd")

	verbose := gnuflag.Bool("verbose", false, gettext.Gettext("Enables verbose mode."))
	debug := gnuflag.Bool("debug", false, gettext.Gettext("Enables debug mode."))
	forceLocal := gnuflag.Bool("force-local", false, gettext.Gettext("Enables debug mode."))

	gnuflag.StringVar(&lxd.ConfigDir, "config", lxd.ConfigDir, gettext.Gettext("Alternate config directory."))

	if len(os.Args) >= 3 && os.Args[1] == "config" && os.Args[2] == "profile" {
		fmt.Fprintf(os.Stderr, "`lxc config profile` is deprecated, please use `lxc profile`\n")
		os.Args = append(os.Args[:1], os.Args[2:]...)
	}

	if len(os.Args) >= 2 && (os.Args[1] == "-h" || os.Args[1] == "--help") {
		os.Args[1] = "help"
	}

	if len(os.Args) >= 2 && (os.Args[1] == "--all") {
		os.Args[1] = "help"
		os.Args = append(os.Args, "--all")
	}

	if len(os.Args) == 2 && os.Args[1] == "--version" {
		os.Args[1] = "version"
	}

	if len(os.Args) < 2 {
		commands["help"].run(nil, nil)
		os.Exit(1)
	}
	name := os.Args[1]
	cmd, ok := commands[name]
	if !ok {
		fmt.Fprintf(os.Stderr, gettext.Gettext("error: unknown command: %s\n"), name)
		commands["help"].run(nil, nil)
		os.Exit(1)
	}
	cmd.flags()
	gnuflag.Usage = func() {
		fmt.Fprintf(os.Stderr, gettext.Gettext("Usage: %s\n\nOptions:\n\n"), strings.TrimSpace(cmd.usage()))
		gnuflag.PrintDefaults()
	}

	os.Args = os.Args[1:]
	gnuflag.Parse(true)

	shared.SetLogger("", "", *verbose, *debug)

	var config *lxd.Config
	var err error

	if *forceLocal {
		config = &lxd.DefaultConfig
	} else {
		config, err = lxd.LoadConfig()
		if err != nil {
			return err
		}
	}

	certf := lxd.ConfigPath("client.crt")
	keyf := lxd.ConfigPath("client.key")

	if !*forceLocal && os.Args[0] != "help" && os.Args[0] != "version" && (!shared.PathExists(certf) || !shared.PathExists(keyf)) {
		fmt.Fprintf(os.Stderr, gettext.Gettext("Generating a client certificate. This may take a minute...\n"))

		err = shared.FindOrGenCert(certf, keyf)
		if err != nil {
			return err
		}

		fmt.Fprintf(os.Stderr, gettext.Gettext("If this is your first run, you will need to import images using the 'lxd-images' script.\n"))
		fmt.Fprintf(os.Stderr, gettext.Gettext("For example: 'lxd-images import ubuntu --alias ubuntu'.\n"))
	}

	err = cmd.run(config, gnuflag.Args())
	if err == errArgs {
		fmt.Fprintf(os.Stderr, gettext.Gettext("error: %v\n%s"), err, cmd.usage())
		os.Exit(1)
	}
	return err
}
Example #5
0
File: main.go Project: HPCNow/lxd
func run() error {
	verbose := gnuflag.Bool("verbose", false, i18n.G("Enables verbose mode."))
	debug := gnuflag.Bool("debug", false, i18n.G("Enables debug mode."))
	forceLocal := gnuflag.Bool("force-local", false, i18n.G("Force using the local unix socket."))

	configDir := os.Getenv("LXD_CONF")
	if configDir != "" {
		lxd.ConfigDir = configDir
	}

	if len(os.Args) >= 3 && os.Args[1] == "config" && os.Args[2] == "profile" {
		fmt.Fprintf(os.Stderr, i18n.G("`lxc config profile` is deprecated, please use `lxc profile`")+"\n")
		os.Args = append(os.Args[:1], os.Args[2:]...)
	}

	if len(os.Args) >= 2 && (os.Args[1] == "-h" || os.Args[1] == "--help") {
		os.Args[1] = "help"
	}

	if len(os.Args) >= 2 && (os.Args[1] == "--all") {
		os.Args[1] = "help"
		os.Args = append(os.Args, "--all")
	}

	if len(os.Args) == 2 && os.Args[1] == "--version" {
		os.Args[1] = "version"
	}

	if len(os.Args) < 2 {
		commands["help"].run(nil, nil)
		os.Exit(1)
	}

	var config *lxd.Config
	var err error

	if *forceLocal {
		config = &lxd.DefaultConfig
	} else {
		config, err = lxd.LoadConfig()
		if err != nil {
			return err
		}

		// One time migration from old config
		if config.DefaultRemote == "" {
			_, ok := config.Remotes["local"]
			if !ok {
				config.Remotes["local"] = lxd.LocalRemote
			}
			config.DefaultRemote = "local"
			lxd.SaveConfig(config)
		}
	}

	// This is quite impolite, but it seems gnuflag needs us to shift our
	// own exename out of the arguments before parsing them. However, this
	// is useful for execIfAlias, which wants to know exactly the command
	// line we received, and in some cases is called before this shift, and
	// in others after. So, let's save the original args.
	origArgs := os.Args
	name := os.Args[1]
	cmd, ok := commands[name]
	if !ok {
		execIfAliases(config, origArgs)
		fmt.Fprintf(os.Stderr, i18n.G("error: unknown command: %s")+"\n", name)
		commands["help"].run(nil, nil)
		os.Exit(1)
	}
	cmd.flags()
	gnuflag.Usage = func() {
		fmt.Fprintf(os.Stderr, i18n.G("Usage: %s")+"\n\n"+i18n.G("Options:")+"\n\n", strings.TrimSpace(cmd.usage()))
		gnuflag.PrintDefaults()
	}

	os.Args = os.Args[1:]
	gnuflag.Parse(true)

	shared.SetLogger("", "", *verbose, *debug, nil)

	certf := lxd.ConfigPath("client.crt")
	keyf := lxd.ConfigPath("client.key")

	if !*forceLocal && os.Args[0] != "help" && os.Args[0] != "version" && (!shared.PathExists(certf) || !shared.PathExists(keyf)) {
		fmt.Fprintf(os.Stderr, i18n.G("Generating a client certificate. This may take a minute...")+"\n")

		err = shared.FindOrGenCert(certf, keyf)
		if err != nil {
			return err
		}

		fmt.Fprintf(os.Stderr, i18n.G("If this is your first run, you will need to import images using the 'lxd-images' script.")+"\n")
		fmt.Fprintf(os.Stderr, i18n.G("For example: 'lxd-images import ubuntu --alias ubuntu'.")+"\n")
	}

	err = cmd.run(config, gnuflag.Args())
	if err == errArgs {
		/* If we got an error about invalid arguments, let's try to
		 * expand this as an alias
		 */
		execIfAliases(config, origArgs)
		fmt.Fprintf(os.Stderr, i18n.G("error: %v")+"\n%s\n", err, cmd.usage())
		os.Exit(1)
	}
	return err
}
Example #6
0
func (c *remoteCmd) run(config *lxd.Config, args []string) error {
	if len(args) < 1 {
		return errArgs
	}

	switch args[0] {
	case "add":
		if len(args) < 3 {
			return errArgs
		}

		if rc, ok := config.Remotes[args[1]]; ok {
			return fmt.Errorf(i18n.G("remote %s exists as <%s>"), args[1], rc.Addr)
		}

		err := addServer(config, args[1], args[2], c.acceptCert, c.password, c.public)
		if err != nil {
			delete(config.Remotes, args[1])
			removeCertificate(args[1])
			return err
		}

	case "remove":
		if len(args) != 2 {
			return errArgs
		}

		if _, ok := config.Remotes[args[1]]; !ok {
			return fmt.Errorf(i18n.G("remote %s doesn't exist"), args[1])
		}

		if config.DefaultRemote == args[1] {
			return fmt.Errorf(i18n.G("can't remove the default remote"))
		}

		delete(config.Remotes, args[1])

		removeCertificate(args[1])

	case "list":
		data := [][]string{}
		for name, rc := range config.Remotes {
			if rc.Public {
				data = append(data, []string{name, rc.Addr, i18n.G("YES")})
			} else {
				data = append(data, []string{name, rc.Addr, i18n.G("NO")})
			}
		}

		table := tablewriter.NewWriter(os.Stdout)
		table.SetHeader([]string{
			i18n.G("NAME"),
			i18n.G("URL"),
			i18n.G("PUBLIC")})
		sort.Sort(ByName(data))
		table.AppendBulk(data)
		table.Render()

		return nil

	case "rename":
		if len(args) != 3 {
			return errArgs
		}

		rc, ok := config.Remotes[args[1]]
		if !ok {
			return fmt.Errorf(i18n.G("remote %s doesn't exist"), args[1])
		}

		if _, ok := config.Remotes[args[2]]; ok {
			return fmt.Errorf(i18n.G("remote %s already exists"), args[2])
		}

		// Rename the certificate file
		oldPath := filepath.Join(lxd.ConfigPath("servercerts"), fmt.Sprintf("%s.crt", args[1]))
		newPath := filepath.Join(lxd.ConfigPath("servercerts"), fmt.Sprintf("%s.crt", args[2]))
		if shared.PathExists(oldPath) {
			err := os.Rename(oldPath, newPath)
			if err != nil {
				return err
			}
		}

		config.Remotes[args[2]] = rc
		delete(config.Remotes, args[1])

		if config.DefaultRemote == args[1] {
			config.DefaultRemote = args[2]
		}

	case "set-url":
		if len(args) != 3 {
			return errArgs
		}
		_, ok := config.Remotes[args[1]]
		if !ok {
			return fmt.Errorf(i18n.G("remote %s doesn't exist"), args[1])
		}
		config.Remotes[args[1]] = lxd.RemoteConfig{Addr: args[2]}

	case "set-default":
		if len(args) != 2 {
			return errArgs
		}

		_, ok := config.Remotes[args[1]]
		if !ok {
			return fmt.Errorf(i18n.G("remote %s doesn't exist"), args[1])
		}
		config.DefaultRemote = args[1]

	case "get-default":
		if len(args) != 1 {
			return errArgs
		}
		fmt.Println(config.DefaultRemote)
		return nil
	default:
		return errArgs
	}

	return lxd.SaveConfig(config)
}
Example #7
0
// ConfigPath returns the full path to Juju LXC config directory.
// This is here so we do not have to import lxc/lxd into the provider.
func ConfigPath(namespace string) string {
	return lxd.ConfigPath(namespace)
}
Example #8
0
// ConfigPath returns the full path to Juju LXC config directory.
// This is here so we do not have to import lxc/lxd into the provider.
func ConfigPath(namespace string) string {
	// Here we use the same path as lxc for convention, but we could use
	// any juju specific path.
	return lxd.ConfigPath(namespace)
}