Пример #1
0
func (*lifeSuite) TestLife(c *gc.C) {
	st := &fakeState{
		entities: map[string]entityWithError{
			"x0": &fakeLifer{life: state.Alive},
			"x1": &fakeLifer{life: state.Dying},
			"x2": &fakeLifer{life: state.Dead},
			"x3": &fakeLifer{fetchError: "x3 error"},
		},
	}
	getCanRead := func() (common.AuthFunc, error) {
		return func(tag string) bool {
			switch tag {
			case "x0", "x2", "x3":
				return true
			}
			return false
		}, nil
	}
	lg := common.NewLifeGetter(st, getCanRead)
	entities := params.Entities{[]params.Entity{
		{"x0"}, {"x1"}, {"x2"}, {"x3"}, {"x4"},
	}}
	results, err := lg.Life(entities)
	c.Assert(err, gc.IsNil)
	c.Assert(results, gc.DeepEquals, params.LifeResults{
		Results: []params.LifeResult{
			{Life: params.Alive},
			{Error: apiservertesting.ErrUnauthorized},
			{Life: params.Dead},
			{Error: &params.Error{Message: "x3 error"}},
			{Error: apiservertesting.ErrUnauthorized},
		},
	})
}
Пример #2
0
func (*lifeSuite) TestLifeError(c *gc.C) {
	getCanRead := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	lg := common.NewLifeGetter(&fakeState{}, getCanRead)
	_, err := lg.Life(params.Entities{[]params.Entity{{"x0"}}})
	c.Assert(err, gc.ErrorMatches, "pow")
}
Пример #3
0
func (*lifeSuite) TestLifeNoArgsNoError(c *gc.C) {
	getCanRead := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	lg := common.NewLifeGetter(&fakeState{}, getCanRead)
	result, err := lg.Life(params.Entities{})
	c.Assert(err, gc.IsNil)
	c.Assert(result.Results, gc.HasLen, 0)
}
Пример #4
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
			}
			_, id, err := names.ParseTag(tag, names.MachineTagKind)
			if err != nil {
				return false
			}
			parentId := state.ParentId(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.MachineTag(parentId) == 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
}
Пример #5
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
}
Пример #6
0
// NewDeployerAPI creates a new server-side DeployerAPI facade.
func NewDeployerAPI(
	st *state.State,
	resources *common.Resources,
	authorizer common.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 string) bool {
			for _, unit := range units {
				if names.UnitTag(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),
		st:              st,
		resources:       resources,
		authorizer:      authorizer,
	}, nil
}
Пример #7
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.ServiceTag(unit.ServiceName())
		}, 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
}
Пример #8
0
// NewFirewallerAPI creates a new server-side FirewallerAPI facade.
func NewFirewallerAPI(
	st *state.State,
	resources *common.Resources,
	authorizer common.Authorizer,
) (*FirewallerAPI, error) {
	if !authorizer.AuthEnvironManager() {
		// Firewaller must run as environment manager.
		return nil, common.ErrPerm
	}
	// Set up the various authorization checkers.
	accessUnit := getAuthFuncForTagKind(names.UnitTagKind)
	accessService := getAuthFuncForTagKind(names.ServiceTagKind)
	accessMachine := getAuthFuncForTagKind(names.MachineTagKind)
	accessEnviron := getAuthFuncForTagKind("")
	accessUnitOrService := common.AuthEither(accessUnit, accessService)
	accessUnitServiceOrMachine := common.AuthEither(accessUnitOrService, accessMachine)

	// Life() is supported for units, services or machines.
	lifeGetter := common.NewLifeGetter(
		st,
		accessUnitServiceOrMachine,
	)
	// EnvironConfig() and WatchForEnvironConfigChanges() are allowed
	// with unrestriced access.
	environWatcher := common.NewEnvironWatcher(
		st,
		resources,
		accessEnviron,
		accessEnviron,
	)
	// Watch() is supported for units or services.
	entityWatcher := common.NewAgentEntityWatcher(
		st,
		resources,
		accessUnitOrService,
	)
	// WatchUnits() is supported for machines.
	unitsWatcher := common.NewUnitsWatcher(st,
		resources,
		accessMachine,
	)
	// WatchEnvironMachines() is allowed with unrestricted access.
	machinesWatcher := common.NewEnvironMachinesWatcher(
		st,
		resources,
		accessEnviron,
	)
	// InstanceId() is supported for machines.
	instanceIdGetter := common.NewInstanceIdGetter(
		st,
		accessMachine,
	)
	return &FirewallerAPI{
		LifeGetter:             lifeGetter,
		EnvironWatcher:         environWatcher,
		AgentEntityWatcher:     entityWatcher,
		UnitsWatcher:           unitsWatcher,
		EnvironMachinesWatcher: machinesWatcher,
		InstanceIdGetter:       instanceIdGetter,
		st:                     st,
		resources:              resources,
		authorizer:             authorizer,
		accessUnit:             accessUnit,
		accessService:          accessService,
	}, nil
}