Example #1
0
func (*unitsWatcherSuite) TestWatchUnits(c *gc.C) {
	st := &fakeState{
		entities: map[names.Tag]entityWithError{
			u("x/0"): &fakeUnitsWatcher{fetchError: "x0 fails"},
			u("x/1"): &fakeUnitsWatcher{initial: []string{"foo", "bar"}},
			u("x/2"): &fakeUnitsWatcher{},
		},
	}
	getCanWatch := func() (common.AuthFunc, error) {
		x0 := u("x/0")
		x1 := u("x/1")
		return func(tag names.Tag) bool {
			return tag == x0 || tag == x1
		}, nil
	}
	resources := common.NewResources()
	w := common.NewUnitsWatcher(st, resources, getCanWatch)
	entities := params.Entities{[]params.Entity{
		{"unit-x-0"}, {"unit-x-1"}, {"unit-x-2"}, {"unit-x-3"},
	}}
	result, err := w.WatchUnits(entities)
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result, jc.DeepEquals, params.StringsWatchResults{
		Results: []params.StringsWatchResult{
			{Error: &params.Error{Message: "x0 fails"}},
			{"1", []string{"foo", "bar"}, nil},
			{Error: apiservertesting.ErrUnauthorized},
			{Error: apiservertesting.ErrUnauthorized},
		},
	})
}
Example #2
0
func (*unitsWatcherSuite) TestWatchUnitsError(c *gc.C) {
	getCanWatch := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	resources := common.NewResources()
	w := common.NewUnitsWatcher(
		&fakeState{},
		resources,
		getCanWatch,
	)
	_, err := w.WatchUnits(params.Entities{[]params.Entity{{"x0"}}})
	c.Assert(err, gc.ErrorMatches, "pow")
}
Example #3
0
func (*unitsWatcherSuite) TestWatchNoArgsNoError(c *gc.C) {
	getCanWatch := func() (common.AuthFunc, error) {
		return nil, fmt.Errorf("pow")
	}
	resources := common.NewResources()
	w := common.NewUnitsWatcher(
		&fakeState{},
		resources,
		getCanWatch,
	)
	result, err := w.WatchUnits(params.Entities{})
	c.Assert(err, jc.ErrorIsNil)
	c.Assert(result.Results, gc.HasLen, 0)
}
Example #4
0
File: deployer.go Project: bac/juju
// 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
}
Example #5
0
// NewFirewallerAPI creates a new server-side FirewallerAPI facade.
func NewFirewallerAPI(
	st *state.State,
	resources facade.Resources,
	authorizer facade.Authorizer,
) (*FirewallerAPI, error) {
	if !authorizer.AuthModelManager() {
		// Firewaller must run as environment manager.
		return nil, common.ErrPerm
	}
	// Set up the various authorization checkers.
	accessEnviron := common.AuthFuncForTagKind(names.ModelTagKind)
	accessUnit := common.AuthFuncForTagKind(names.UnitTagKind)
	accessService := common.AuthFuncForTagKind(names.ApplicationTagKind)
	accessMachine := common.AuthFuncForTagKind(names.MachineTagKind)
	accessUnitOrService := common.AuthEither(accessUnit, accessService)
	accessUnitServiceOrMachine := common.AuthEither(accessUnitOrService, accessMachine)

	// Life() is supported for units, services or machines.
	lifeGetter := common.NewLifeGetter(
		st,
		accessUnitServiceOrMachine,
	)
	// ModelConfig() and WatchForModelConfigChanges() are allowed
	// with unrestriced access.
	modelWatcher := common.NewModelWatcher(
		st,
		resources,
		authorizer,
	)
	// Watch() is supported for applications only.
	entityWatcher := common.NewAgentEntityWatcher(
		st,
		resources,
		accessService,
	)
	// WatchUnits() is supported for machines.
	unitsWatcher := common.NewUnitsWatcher(st,
		resources,
		accessMachine,
	)
	// WatchModelMachines() is allowed with unrestricted access.
	machinesWatcher := common.NewModelMachinesWatcher(
		st,
		resources,
		authorizer,
	)
	// InstanceId() is supported for machines.
	instanceIdGetter := common.NewInstanceIdGetter(
		st,
		accessMachine,
	)

	environConfigGetter := stateenvirons.EnvironConfigGetter{st}
	cloudSpecAPI := cloudspec.NewCloudSpec(environConfigGetter.CloudSpec, common.AuthFuncForTag(st.ModelTag()))

	return &FirewallerAPI{
		LifeGetter:           lifeGetter,
		ModelWatcher:         modelWatcher,
		AgentEntityWatcher:   entityWatcher,
		UnitsWatcher:         unitsWatcher,
		ModelMachinesWatcher: machinesWatcher,
		InstanceIdGetter:     instanceIdGetter,
		CloudSpecAPI:         cloudSpecAPI,
		st:                   st,
		resources:            resources,
		authorizer:           authorizer,
		accessUnit:           accessUnit,
		accessService:        accessService,
		accessMachine:        accessMachine,
		accessEnviron:        accessEnviron,
	}, nil
}
Example #6
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.
	accessEnviron := common.AuthFuncForTagKind(names.EnvironTagKind)
	accessUnit := common.AuthFuncForTagKind(names.UnitTagKind)
	accessService := common.AuthFuncForTagKind(names.ServiceTagKind)
	accessMachine := common.AuthFuncForTagKind(names.MachineTagKind)
	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,
		authorizer,
	)
	// Watch() is supported for services only.
	entityWatcher := common.NewAgentEntityWatcher(
		st,
		resources,
		accessService,
	)
	// WatchUnits() is supported for machines.
	unitsWatcher := common.NewUnitsWatcher(st,
		resources,
		accessMachine,
	)
	// WatchEnvironMachines() is allowed with unrestricted access.
	machinesWatcher := common.NewEnvironMachinesWatcher(
		st,
		resources,
		authorizer,
	)
	// 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,
		accessMachine:          accessMachine,
		accessEnviron:          accessEnviron,
	}, nil
}