func (c *SetConstraintsCommand) Init(args []string) (err error) {
if c.ServiceName != "" && !state.IsServiceName(c.ServiceName) {
return fmt.Errorf("invalid service name %q", c.ServiceName)
}
c.Constraints, err = constraints.Parse(args...)
return err
}
func (*StateSuite) TestNameChecks(c *C) {
assertService := func(s string, expect bool) {
c.Assert(state.IsServiceName(s), Equals, expect)
c.Assert(state.IsUnitName(s+"/0"), Equals, expect)
c.Assert(state.IsUnitName(s+"/99"), Equals, expect)
c.Assert(state.IsUnitName(s+"/-1"), Equals, false)
c.Assert(state.IsUnitName(s+"/blah"), Equals, false)
}
assertService("", false)
assertService("33", false)
assertService("wordpress", true)
assertService("w0rd-pre55", true)
assertService("foo2", true)
assertService("foo-2", false)
assertService("foo-2foo", true)
assertMachine := func(s string, expect bool) {
c.Assert(state.IsMachineId(s), Equals, expect)
}
assertMachine("0", true)
assertMachine("1", true)
assertMachine("1000001", true)
assertMachine("01", false)
assertMachine("-1", false)
assertMachine("", false)
assertMachine("cantankerous", false)
}
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 *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 *UpgradeCharmCommand) Init(args []string) error {
switch len(args) {
case 1:
if !state.IsServiceName(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 *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)
}