Exemple #1
0
func (*removeSuite) TestRemove(c *gc.C) {
	st := &fakeState{
		entities: map[names.Tag]entityWithError{
			u("x/0"): &fakeRemover{life: state.Dying, errEnsureDead: fmt.Errorf("x0 EnsureDead fails")},
			u("x/1"): &fakeRemover{life: state.Dying, errRemove: fmt.Errorf("x1 Remove fails")},
			u("x/2"): &fakeRemover{life: state.Alive},
			u("x/3"): &fakeRemover{life: state.Dying},
			u("x/4"): &fakeRemover{life: state.Dead},
			u("x/5"): &fakeRemover{fetchError: "x5 error"},
		},
	}
	getCanModify := func() (common.AuthFunc, error) {
		u0 := u("x/0")
		u1 := u("x/1")
		u2 := u("x/2")
		u3 := u("x/3")
		u5 := u("x/5")
		return func(tag names.Tag) bool {
			return tag == u0 || tag == u1 || tag == u2 || tag == u3 || tag == u5
		}, nil
	}

	r := common.NewRemover(st, true, getCanModify)
	entities := params.Entities{[]params.Entity{
		{"unit-x-0"}, {"unit-x-1"}, {"unit-x-2"}, {"unit-x-3"}, {"unit-x-4"}, {"unit-x-5"}, {"unit-x-6"},
	}}
	result, err := r.Remove(entities)
	c.Assert(err, gc.IsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{&params.Error{Message: "x0 EnsureDead fails"}},
			{&params.Error{Message: "x1 Remove fails"}},
			{&params.Error{Message: `cannot remove entity "unit-x-2": still alive`}},
			{nil},
			{apiservertesting.ErrUnauthorized},
			{&params.Error{Message: "x5 error"}},
			{apiservertesting.ErrUnauthorized},
		},
	})

	// Make sure when callEnsureDead is false EnsureDead() doesn't
	// get called.
	r = common.NewRemover(st, false, getCanModify)
	entities = params.Entities{[]params.Entity{{"unit-x-0"}, {"unit-x-1"}}}
	result, err = r.Remove(entities)
	c.Assert(err, gc.IsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{nil},
			{&params.Error{Message: "x1 Remove fails"}},
		},
	})
}
Exemple #2
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// NewAddresserAPI creates a new server-side Addresser API facade.
func NewAddresserAPI(
	st *state.State,
	resources *common.Resources,
	authorizer common.Authorizer,
) (*AddresserAPI, error) {
	isEnvironManager := authorizer.AuthEnvironManager()
	if !isEnvironManager {
		// Addresser must run as environment manager.
		return nil, common.ErrPerm
	}
	getAuthFunc := func() (common.AuthFunc, error) {
		return func(tag names.Tag) bool {
			return isEnvironManager
		}, nil
	}
	sti := getState(st)
	return &AddresserAPI{
		EnvironWatcher: common.NewEnvironWatcher(sti, resources, authorizer),
		LifeGetter:     common.NewLifeGetter(sti, getAuthFunc),
		Remover:        common.NewRemover(sti, false, getAuthFunc),
		st:             sti,
		resources:      resources,
		authorizer:     authorizer,
	}, nil
}
Exemple #3
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func (*removeSuite) TestRemoveError(c *gc.C) {
	getCanModify := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	r := common.NewRemover(&fakeState{}, true, getCanModify)
	_, err := r.Remove(params.Entities{[]params.Entity{{"x0"}}})
	c.Assert(err, gc.ErrorMatches, "pow")
}
Exemple #4
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func (*removeSuite) TestRemoveNoArgsNoError(c *gc.C) {
	getCanModify := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	r := common.NewRemover(&fakeState{}, true, getCanModify)
	result, err := r.Remove(params.Entities{})
	c.Assert(err, gc.IsNil)
	c.Assert(result.Results, gc.HasLen, 0)
}
Exemple #5
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// NewProvisionerAPI creates a new server-side ProvisionerAPI facade.
func NewProvisionerAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*ProvisionerAPI, error) {
	if !authorizer.AuthMachineAgent() && !authorizer.AuthEnvironManager() {
		return nil, common.ErrPerm
	}
	getAuthFunc := func() (common.AuthFunc, error) {
		isEnvironManager := authorizer.AuthEnvironManager()
		isMachineAgent := authorizer.AuthMachineAgent()
		authEntityTag := authorizer.GetAuthTag()

		return func(tag names.Tag) bool {
			if isMachineAgent && tag == authEntityTag {
				// A machine agent can always access its own machine.
				return true
			}
			switch tag := tag.(type) {
			case names.MachineTag:
				parentId := state.ParentId(tag.Id())
				if parentId == "" {
					// All top-level machines are accessible by the
					// environment manager.
					return isEnvironManager
				}
				// All containers with the authenticated machine as a
				// parent are accessible by it.
				// TODO(dfc) sometimes authEntity tag is nil, which is fine because nil is
				// only equal to nil, but it suggests someone is passing an authorizer
				// with a nil tag.
				return isMachineAgent && names.NewMachineTag(parentId) == authEntityTag
			default:
				return false
			}
		}, nil
	}
	env, err := st.Environment()
	if err != nil {
		return nil, err
	}
	urlGetter := common.NewToolsURLGetter(env.UUID(), st)
	return &ProvisionerAPI{
		Remover:                common.NewRemover(st, false, getAuthFunc),
		StatusSetter:           common.NewStatusSetter(st, getAuthFunc),
		StatusGetter:           common.NewStatusGetter(st, getAuthFunc),
		DeadEnsurer:            common.NewDeadEnsurer(st, getAuthFunc),
		PasswordChanger:        common.NewPasswordChanger(st, getAuthFunc),
		LifeGetter:             common.NewLifeGetter(st, getAuthFunc),
		StateAddresser:         common.NewStateAddresser(st),
		APIAddresser:           common.NewAPIAddresser(st, resources),
		EnvironWatcher:         common.NewEnvironWatcher(st, resources, authorizer),
		EnvironMachinesWatcher: common.NewEnvironMachinesWatcher(st, resources, authorizer),
		InstanceIdGetter:       common.NewInstanceIdGetter(st, getAuthFunc),
		ToolsFinder:            common.NewToolsFinder(st, st, urlGetter),
		st:                     st,
		resources:              resources,
		authorizer:             authorizer,
		getAuthFunc:            getAuthFunc,
	}, nil
}
Exemple #6
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// NewDeployerAPI creates a new server-side DeployerAPI facade.
func NewDeployerAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*DeployerAPI, error) {
	if !authorizer.AuthMachineAgent() {
		return nil, common.ErrPerm
	}
	getAuthFunc := func() (common.AuthFunc, error) {
		// Get all units of the machine and cache them.
		thisMachineTag := authorizer.GetAuthTag()
		units, err := getAllUnits(st, thisMachineTag)
		if err != nil {
			return nil, err
		}
		// Then we just check if the unit is already known.
		return func(tag names.Tag) bool {
			for _, unit := range units {
				// TODO (thumper): remove the names.Tag conversion when gccgo
				// implements concrete-type-to-interface comparison correctly.
				if names.Tag(names.NewUnitTag(unit)) == tag {
					return true
				}
			}
			return false
		}, nil
	}
	getCanWatch := func() (common.AuthFunc, error) {
		return authorizer.AuthOwner, nil
	}
	return &DeployerAPI{
		Remover:         common.NewRemover(st, true, getAuthFunc),
		PasswordChanger: common.NewPasswordChanger(st, getAuthFunc),
		LifeGetter:      common.NewLifeGetter(st, getAuthFunc),
		StateAddresser:  common.NewStateAddresser(st),
		APIAddresser:    common.NewAPIAddresser(st, resources),
		UnitsWatcher:    common.NewUnitsWatcher(st, resources, getCanWatch),
		StatusSetter:    common.NewStatusSetter(st, getAuthFunc),
		st:              st,
		resources:       resources,
		authorizer:      authorizer,
	}, nil
}