Example #1
0
func (*deadEnsurerSuite) TestEnsureDeadError(c *gc.C) {
	getCanModify := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	d := common.NewDeadEnsurer(&fakeState{}, getCanModify)
	_, err := d.EnsureDead(params.Entities{[]params.Entity{{"x0"}}})
	c.Assert(err, gc.ErrorMatches, "pow")
}
Example #2
0
func (*removeSuite) TestEnsureDeadNoArgsNoError(c *gc.C) {
	getCanModify := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	d := common.NewDeadEnsurer(&fakeState{}, getCanModify)
	result, err := d.EnsureDead(params.Entities{})
	c.Assert(err, gc.IsNil)
	c.Assert(result.Results, gc.HasLen, 0)
}
Example #3
0
// 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 string) bool {
			if isMachineAgent && tag == authEntityTag {
				// A machine agent can always access its own machine.
				return true
			}
			t, err := names.ParseTag(tag, names.MachineTagKind)
			if err != nil {
				return false
			}
			parentId := state.ParentId(t.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.
			return isMachineAgent && names.NewMachineTag(parentId).String() == authEntityTag
		}, nil
	}
	// Both provisioner types can watch the environment.
	getCanWatch := common.AuthAlways(true)
	// Only the environment provisioner can read secrets.
	getCanReadSecrets := common.AuthAlways(authorizer.AuthEnvironManager())
	return &ProvisionerAPI{
		Remover:                common.NewRemover(st, false, getAuthFunc),
		StatusSetter:           common.NewStatusSetter(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),
		ToolsGetter:            common.NewToolsGetter(st, getAuthFunc),
		EnvironWatcher:         common.NewEnvironWatcher(st, resources, getCanWatch, getCanReadSecrets),
		EnvironMachinesWatcher: common.NewEnvironMachinesWatcher(st, resources, getCanReadSecrets),
		InstanceIdGetter:       common.NewInstanceIdGetter(st, getAuthFunc),
		st:                     st,
		resources:              resources,
		authorizer:             authorizer,
		getAuthFunc:            getAuthFunc,
		getCanWatchMachines:    getCanReadSecrets,
	}, nil
}
Example #4
0
// NewMachinerAPI creates a new instance of the Machiner API.
func NewMachinerAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*MachinerAPI, error) {
	if !authorizer.AuthMachineAgent() {
		return nil, common.ErrPerm
	}
	getCanModify := func() (common.AuthFunc, error) {
		return authorizer.AuthOwner, nil
	}
	getCanRead := func() (common.AuthFunc, error) {
		return authorizer.AuthOwner, nil
	}
	return &MachinerAPI{
		LifeGetter:         common.NewLifeGetter(st, getCanRead),
		StatusSetter:       common.NewStatusSetter(st, getCanModify),
		DeadEnsurer:        common.NewDeadEnsurer(st, getCanModify),
		AgentEntityWatcher: common.NewAgentEntityWatcher(st, resources, getCanRead),
		APIAddresser:       common.NewAPIAddresser(st, resources),
		st:                 st,
		auth:               authorizer,
		getCanModify:       getCanModify,
	}, nil
}
Example #5
0
// NewUniterAPI creates a new instance of the Uniter API.
func NewUniterAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*UniterAPI, error) {
	if !authorizer.AuthUnitAgent() {
		return nil, common.ErrPerm
	}
	accessUnit := func() (common.AuthFunc, error) {
		return authorizer.AuthOwner, nil
	}
	accessService := func() (common.AuthFunc, error) {
		unit, ok := authorizer.GetAuthEntity().(*state.Unit)
		if !ok {
			panic("authenticated entity is not a unit")
		}
		return func(tag string) bool {
			return tag == names.NewServiceTag(unit.ServiceName()).String()
		}, nil
	}
	accessUnitOrService := common.AuthEither(accessUnit, accessService)
	// Uniter can always watch for environ changes.
	getCanWatch := common.AuthAlways(true)
	// Uniter can not get the secrets.
	getCanReadSecrets := common.AuthAlways(false)
	return &UniterAPI{
		LifeGetter:         common.NewLifeGetter(st, accessUnitOrService),
		StatusSetter:       common.NewStatusSetter(st, accessUnit),
		DeadEnsurer:        common.NewDeadEnsurer(st, accessUnit),
		AgentEntityWatcher: common.NewAgentEntityWatcher(st, resources, accessUnitOrService),
		APIAddresser:       common.NewAPIAddresser(st, resources),
		EnvironWatcher:     common.NewEnvironWatcher(st, resources, getCanWatch, getCanReadSecrets),

		st:            st,
		auth:          authorizer,
		resources:     resources,
		accessUnit:    accessUnit,
		accessService: accessService,
	}, nil
}
Example #6
0
func (*deadEnsurerSuite) TestEnsureDead(c *gc.C) {
	st := &fakeState{
		entities: map[string]entityWithError{
			"x0": &fakeDeadEnsurer{life: state.Dying, err: fmt.Errorf("x0 fails")},
			"x1": &fakeDeadEnsurer{life: state.Alive},
			"x2": &fakeDeadEnsurer{life: state.Dying},
			"x3": &fakeDeadEnsurer{life: state.Dead},
			"x4": &fakeDeadEnsurer{fetchError: "x4 error"},
		},
	}
	getCanModify := func() (common.AuthFunc, error) {
		return func(tag string) bool {
			switch tag {
			case "x0", "x1", "x2", "x4":
				return true
			}
			return false
		}, nil
	}
	d := common.NewDeadEnsurer(st, getCanModify)
	entities := params.Entities{[]params.Entity{
		{"x0"}, {"x1"}, {"x2"}, {"x3"}, {"x4"}, {"x5"},
	}}
	result, err := d.EnsureDead(entities)
	c.Assert(err, gc.IsNil)
	c.Assert(result, gc.DeepEquals, params.ErrorResults{
		Results: []params.ErrorResult{
			{&params.Error{Message: "x0 fails"}},
			{nil},
			{nil},
			{apiservertesting.ErrUnauthorized},
			{&params.Error{Message: "x4 error"}},
			{apiservertesting.ErrUnauthorized},
		},
	})
}