Beispiel #1
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
}
Beispiel #2
0
// NewRsyslogAPI creates a new instance of the Rsyslog API.
func NewRsyslogAPI(st *state.State, resources *common.Resources, authorizer common.Authorizer) (*RsyslogAPI, error) {
	if !authorizer.AuthMachineAgent() && !authorizer.AuthUnitAgent() {
		return nil, common.ErrPerm
	}
	// Can always watch for environ changes.
	getCanWatch := common.AuthAlways(true)
	// Does not get the secrets.
	getCanReadSecrets := common.AuthAlways(false)
	return &RsyslogAPI{
		EnvironWatcher: common.NewEnvironWatcher(st, resources, getCanWatch, getCanReadSecrets),
		st:             st,
		authorizer:     authorizer,
		resources:      resources,
		canModify:      authorizer.AuthEnvironManager(),
		StateAddresser: common.NewStateAddresser(st),
	}, nil
}
Beispiel #3
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.NewUnitTag(unit).String() == 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
}
Beispiel #4
0
func (s *stateAddresserSuite) SetUpTest(c *gc.C) {
	s.addresser = common.NewStateAddresser(fakeAddresses{})
}