Esempio n. 1
0
func (c *BootstrapCommand) Init(args []string) (err error) {
	if len(c.Series) > 0 && !c.UploadTools {
		return fmt.Errorf("--upload-series requires --upload-tools")
	}
	if len(c.seriesOld) > 0 && !c.UploadTools {
		return fmt.Errorf("--series requires --upload-tools")
	}
	if len(c.Series) > 0 && len(c.seriesOld) > 0 {
		return fmt.Errorf("--upload-series and --series can't be used together")
	}
	if len(c.seriesOld) > 0 {
		c.Series = c.seriesOld
	}

	// Parse the placement directive. Bootstrap currently only
	// supports provider-specific placement directives.
	if c.Placement != "" {
		_, err = instance.ParsePlacement(c.Placement)
		if err != instance.ErrPlacementScopeMissing {
			// We only support unscoped placement directives for bootstrap.
			return fmt.Errorf("unsupported bootstrap placement directive %q", c.Placement)
		}
	}
	return cmd.CheckEmpty(args)
}
Esempio n. 2
0
func (c *AddMachineCommand) Init(args []string) error {
	if c.Constraints.Container != nil {
		return fmt.Errorf("container constraint %q not allowed when adding a machine", *c.Constraints.Container)
	}
	placement, err := cmd.ZeroOrOneArgs(args)
	if err != nil {
		return err
	}
	c.Placement, err = instance.ParsePlacement(placement)
	if err == instance.ErrPlacementScopeMissing {
		placement = c.EnvName + ":" + placement
		c.Placement, err = instance.ParsePlacement(placement)
	}
	if err != nil {
		return err
	}
	return nil
}
Esempio n. 3
0
func (s *PlacementSuite) TestParsePlacement(c *gc.C) {
	parsePlacementTests := []struct {
		arg                          string
		expectScope, expectDirective string
		err                          string
	}{{
		arg: "",
	}, {
		arg:             "0",
		expectScope:     instance.MachineScope,
		expectDirective: "0",
	}, {
		arg:             "0/lxc/0",
		expectScope:     instance.MachineScope,
		expectDirective: "0/lxc/0",
	}, {
		arg: "#:x",
		err: `invalid value "x" for "#" scope: expected machine-id`,
	}, {
		arg: "lxc:x",
		err: `invalid value "x" for "lxc" scope: expected machine-id`,
	}, {
		arg: "kvm:x",
		err: `invalid value "x" for "kvm" scope: expected machine-id`,
	}, {
		arg:             "kvm:123",
		expectScope:     string(instance.KVM),
		expectDirective: "123",
	}, {
		arg:         "lxc",
		expectScope: string(instance.LXC),
	}, {
		arg: "non-standard",
		err: "placement scope missing",
	}, {
		arg: ":non-standard",
		err: "placement scope missing",
	}, {
		arg:             "non:standard",
		expectScope:     "non",
		expectDirective: "standard",
	}}

	for i, t := range parsePlacementTests {
		c.Logf("test %d: %s", i, t.arg)
		p, err := instance.ParsePlacement(t.arg)
		if t.err != "" {
			c.Assert(err, gc.ErrorMatches, t.err)
		} else {
			c.Assert(err, gc.IsNil)
		}
		if t.expectScope == "" && t.expectDirective == "" {
			c.Assert(p, gc.IsNil)
		} else {
			c.Assert(p, gc.DeepEquals, &instance.Placement{
				Scope:     t.expectScope,
				Directive: t.expectDirective,
			})
		}
	}
}