func (c *portCommand) Init(f *gnuflag.FlagSet, args []string) error {
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if args == nil {
return errors.New("no port specified")
}
parts := strings.Split(args[0], "/")
if len(parts) > 2 {
return fmt.Errorf("expected %s; got %q", portFormat, args[0])
}
port, err := strconv.Atoi(parts[0])
if err != nil {
return badPort(parts[0])
}
if port < 1 || port > 65535 {
return badPort(port)
}
protocol := "tcp"
if len(parts) == 2 {
protocol = strings.ToLower(parts[1])
if protocol != "tcp" && protocol != "udp" {
return fmt.Errorf(`protocol must be "tcp" or "udp"; got %q`, protocol)
}
}
c.Port = port
c.Protocol = protocol
return cmd.CheckEmpty(args[1:])
}
func (c *PublishCommand) Init(args []string) error {
if len(args) == 0 {
return nil
}
c.URL = args[0]
return cmd.CheckEmpty(args[1:])
}
func (v *VersionCommand) Init(f *gnuflag.FlagSet, args []string) error {
v.out.AddFlags(f, "smart", cmd.DefaultFormatters)
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *ExposeCommand) Init(args []string) error {
if len(args) == 0 {
return errors.New("no service name specified")
}
c.ServiceName = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *DestroyEnvironmentCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *UpgradeJujuCommand) Init(args []string) error {
if c.vers != "" {
vers, err := version.Parse(c.vers)
if err != nil {
return err
}
if vers.Major != version.Current.Major {
return fmt.Errorf("cannot upgrade to version incompatible with CLI")
}
if c.UploadTools && vers.Build != 0 {
// TODO(fwereade): when we start taking versions from actual built
// code, we should disable --version when used with --upload-tools.
// For now, it's the only way to experiment with version upgrade
// behaviour live, so the only restriction is that Build cannot
// be used (because its value needs to be chosen internally so as
// not to collide with existing tools).
return fmt.Errorf("cannot specify build number when uploading tools")
}
c.Version = vers
}
if len(c.Series) > 0 && !c.UploadTools {
return fmt.Errorf("--series requires --upload-tools")
}
return cmd.CheckEmpty(args)
}
func (c *RemoteCommand) Init(f *gnuflag.FlagSet, args []string) error {
f.StringVar(&c.msg, "error", "", "if set, fail")
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *RelationGetCommand) Init(f *gnuflag.FlagSet, args []string) error {
// TODO FWER implement --format shell lp:1033511
c.out.AddFlags(f, "smart", cmd.DefaultFormatters)
f.Var(newRelationIdValue(c.ctx, &c.RelationId), "r", "specify a relation by id")
if err := f.Parse(true, args); err != nil {
return err
}
if c.RelationId == -1 {
return fmt.Errorf("no relation id specified")
}
args = f.Args()
c.Key = ""
if len(args) > 0 {
if c.Key = args[0]; c.Key == "-" {
c.Key = ""
}
args = args[1:]
}
if name, found := c.ctx.RemoteUnitName(); found {
c.UnitName = name
}
if len(args) > 0 {
c.UnitName = args[0]
args = args[1:]
}
if c.UnitName == "" {
return fmt.Errorf("no unit id specified")
}
return cmd.CheckEmpty(args)
}
func (c *BootstrapCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
f.BoolVar(&c.UploadTools, "upload-tools", false, "upload local version of tools before bootstrapping")
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *GetCommand) Init(args []string) error {
// TODO(dfc) add --schema-only
if len(args) == 0 {
return errors.New("no service name specified")
}
c.ServiceName = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *RpcCommand) Init(f *gnuflag.FlagSet, args []string) error {
f.StringVar(&c.Value, "value", "", "doc")
f.BoolVar(&c.Slow, "slow", false, "doc")
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *GetConstraintsCommand) Init(args []string) error {
if len(args) > 0 {
if !state.IsServiceName(args[0]) {
return fmt.Errorf("invalid service name %q", args[0])
}
c.ServiceName, args = args[0], args[1:]
}
return cmd.CheckEmpty(args)
}
func (c *TestCommand) Init(f *gnuflag.FlagSet, args []string) error {
if !c.Minimal {
f.StringVar(&c.Option, "option", "", "option-doc")
}
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *DestroyServiceCommand) Init(args []string) error {
if len(args) == 0 {
return fmt.Errorf("no service specified")
}
if !state.IsServiceName(args[0]) {
return fmt.Errorf("invalid service name %q", args[0])
}
c.ServiceName, args = args[0], args[1:]
return cmd.CheckEmpty(args)
}
func (c *UnitGetCommand) Init(args []string) error {
if args == nil {
return errors.New("no setting specified")
}
if args[0] != "private-address" && args[0] != "public-address" {
return fmt.Errorf("unknown setting %q", args[0])
}
c.Key = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *StatusCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
c.out.AddFlags(f, "yaml", map[string]cmd.Formatter{
"yaml": cmd.FormatYaml,
"json": cmd.FormatJson,
})
if err := f.Parse(true, args); err != nil {
return err
}
return cmd.CheckEmpty(f.Args())
}
func (c *ConfigGetCommand) Init(args []string) error {
if args == nil {
return nil
}
c.Key = args[0]
if c.Key != "" && c.All {
return fmt.Errorf("cannot use argument --all together with key %q", c.Key)
}
return cmd.CheckEmpty(args[1:])
}
func (c *ConfigGetCommand) Init(f *gnuflag.FlagSet, args []string) error {
c.out.AddFlags(f, "smart", cmd.DefaultFormatters)
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if args == nil {
return nil
}
c.Key = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *RelationIdsCommand) Init(args []string) error {
if r, found := c.ctx.HookRelation(); found {
c.Name = r.Name()
}
if len(args) > 0 {
c.Name = args[0]
args = args[1:]
} else if c.Name == "" {
return fmt.Errorf("no relation name specified")
}
return cmd.CheckEmpty(args)
}
func (c *UnexposeCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if len(args) == 0 {
return errors.New("no service name specified")
}
c.ServiceName = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *AddUnitCommand) Init(args []string) error {
switch len(args) {
case 1:
c.ServiceName = args[0]
case 0:
return errors.New("no service specified")
}
if err := cmd.CheckEmpty(args[1:]); err != nil {
return err
}
return c.UnitCommandBase.Init(args)
}
func (c *ResolvedCommand) Init(args []string) error {
if len(args) > 0 {
c.UnitName = args[0]
if !names.IsUnit(c.UnitName) {
return fmt.Errorf("invalid unit name %q", c.UnitName)
}
args = args[1:]
} else {
return fmt.Errorf("no unit specified")
}
return cmd.CheckEmpty(args)
}
func (c *UnitGetCommand) Init(f *gnuflag.FlagSet, args []string) error {
c.out.AddFlags(f, "smart", cmd.DefaultFormatters)
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if args == nil {
return errors.New("no setting specified")
}
if args[0] != "private-address" && args[0] != "public-address" {
return fmt.Errorf("unknown setting %q", args[0])
}
c.Key = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *GetCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
// TODO(dfc) add json formatting ?
c.out.AddFlags(f, "yaml", map[string]cmd.Formatter{
"yaml": cmd.FormatYaml,
})
// TODO(dfc) add --schema-only
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if len(args) == 0 {
return errors.New("no service name specified")
}
c.ServiceName = args[0]
return cmd.CheckEmpty(args[1:])
}
func (c *RelationIdsCommand) Init(f *gnuflag.FlagSet, args []string) error {
c.out.AddFlags(f, "smart", cmd.DefaultFormatters)
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if r, found := c.ctx.HookRelation(); found {
c.Name = r.Name()
}
if len(args) > 0 {
c.Name = args[0]
args = args[1:]
} else if c.Name == "" {
return fmt.Errorf("no relation name specified")
}
return cmd.CheckEmpty(args)
}
func (c *UpgradeCharmCommand) Init(args []string) error {
switch len(args) {
case 1:
if !names.IsService(args[0]) {
return fmt.Errorf("invalid service name %q", args[0])
}
c.ServiceName = args[0]
case 0:
return errors.New("no service specified")
default:
return cmd.CheckEmpty(args[1:])
}
if c.SwitchURL != "" && c.Revision != -1 {
return fmt.Errorf("--switch and --revision are mutually exclusive")
}
return nil
}
func (c *RelationListCommand) Init(f *gnuflag.FlagSet, args []string) (err error) {
c.out.AddFlags(f, "smart", cmd.DefaultFormatters)
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
v := newRelationIdValue(c.ctx, &c.RelationId)
if len(args) > 0 {
if err := v.Set(args[0]); err != nil {
return err
}
args = args[1:]
}
if c.RelationId == -1 {
return fmt.Errorf("no relation id specified")
}
return cmd.CheckEmpty(args)
}
func (c *ResolvedCommand) Init(f *gnuflag.FlagSet, args []string) error {
addEnvironFlags(&c.EnvName, f)
f.BoolVar(&c.Retry, "r", false, "re-execute failed hooks")
f.BoolVar(&c.Retry, "retry", false, "")
if err := f.Parse(true, args); err != nil {
return err
}
args = f.Args()
if len(args) > 0 {
c.UnitName = args[0]
if !state.IsUnitName(c.UnitName) {
return fmt.Errorf("invalid unit name %q", c.UnitName)
}
args = args[1:]
} else {
return fmt.Errorf("no unit specified")
}
return cmd.CheckEmpty(args)
}
func (c *ImageMetadataCommand) Init(args []string) error {
cred := identity.CredentialsFromEnv()
if c.Region == "" {
c.Region = cred.Region
}
if c.Endpoint == "" {
c.Endpoint = cred.URL
}
if c.ImageId == "" {
return fmt.Errorf("image id must be specified")
}
if c.Region == "" {
return fmt.Errorf("image region must be specified")
}
if c.Endpoint == "" {
return fmt.Errorf("cloud endpoint URL must be specified")
}
return cmd.CheckEmpty(args)
}
func (c *DeployCommand) Init(args []string) error {
switch len(args) {
case 2:
if !state.IsServiceName(args[1]) {
return fmt.Errorf("invalid service name %q", args[1])
}
c.ServiceName = args[1]
fallthrough
case 1:
if _, err := charm.InferURL(args[0], "fake"); err != nil {
return fmt.Errorf("invalid charm name %q", args[0])
}
c.CharmName = args[0]
case 0:
return errors.New("no charm specified")
default:
return cmd.CheckEmpty(args[2:])
}
return c.UnitCommandBase.Init(args)
}