Example #1
0
File: life.go Project: jkary/core
func (lg *LifeGetter) oneLife(tag string) (params.Life, error) {
	entity0, err := lg.st.FindEntity(tag)
	if err != nil {
		return "", err
	}
	entity, ok := entity0.(state.Lifer)
	if !ok {
		return "", NotSupportedError(tag, "life cycles")
	}
	return params.Life(entity.Life().String()), nil
}
Example #2
0
func (svc *backingService) updated(st *State, store *multiwatcher.Store, id interface{}) error {

	info := &params.ServiceInfo{
		Name:     svc.Name,
		Exposed:  svc.Exposed,
		CharmURL: svc.CharmURL.String(),
		OwnerTag: svc.fixOwnerTag(),
		Life:     params.Life(svc.Life.String()),
		MinUnits: svc.MinUnits,
	}
	oldInfo := store.Get(info.EntityId())
	needConfig := false
	if oldInfo == nil {
		// We're adding the entry for the first time,
		// so fetch the associated child documents.
		c, err := readConstraints(st, serviceGlobalKey(svc.Name))
		if err != nil {
			return err
		}
		info.Constraints = c
		needConfig = true
	} else {
		// The entry already exists, so preserve the current status.
		oldInfo := oldInfo.(*params.ServiceInfo)
		info.Constraints = oldInfo.Constraints
		if info.CharmURL == oldInfo.CharmURL {
			// The charm URL remains the same - we can continue to
			// use the same config settings.
			info.Config = oldInfo.Config
		} else {
			// The charm URL has changed - we need to fetch the
			// settings from the new charm's settings doc.
			needConfig = true
		}
	}
	if needConfig {
		var err error
		info.Config, _, err = readSettingsDoc(st, serviceSettingsKey(svc.Name, svc.CharmURL))
		if err != nil {
			return err
		}
	}
	store.Update(info)
	return nil
}
Example #3
0
func (m *backingMachine) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	info := &params.MachineInfo{
		Id:                       m.Id,
		Life:                     params.Life(m.Life.String()),
		Series:                   m.Series,
		Jobs:                     paramsJobsFromJobs(m.Jobs),
		Addresses:                mergedAddresses(m.MachineAddresses, m.Addresses),
		SupportedContainers:      m.SupportedContainers,
		SupportedContainersKnown: m.SupportedContainersKnown,
	}

	oldInfo := store.Get(info.EntityId())
	if oldInfo == nil {
		// We're adding the entry for the first time,
		// so fetch the associated machine status.
		sdoc, err := getStatus(st, machineGlobalKey(m.Id))
		if err != nil {
			return err
		}
		info.Status = sdoc.Status
		info.StatusInfo = sdoc.StatusInfo
	} else {
		// The entry already exists, so preserve the current status and
		// instance data.
		oldInfo := oldInfo.(*params.MachineInfo)
		info.Status = oldInfo.Status
		info.StatusInfo = oldInfo.StatusInfo
		info.InstanceId = oldInfo.InstanceId
		info.HardwareCharacteristics = oldInfo.HardwareCharacteristics
	}
	// If the machine is been provisioned, fetch the instance id as required,
	// and set instance id and hardware characteristics.
	if m.Nonce != "" && info.InstanceId == "" {
		instanceData, err := getInstanceData(st, m.Id)
		if err == nil {
			info.InstanceId = string(instanceData.InstanceId)
			info.HardwareCharacteristics = hardwareCharacteristics(instanceData)
		} else if !errors.IsNotFound(err) {
			return err
		}
	}
	store.Update(info)
	return nil
}
Example #4
0
File: agent.go Project: jkary/core
func (api *API) getEntity(tag string) (result params.AgentGetEntitiesResult, err error) {
	// Allow only for the owner agent.
	// Note: having a bulk API call for this is utter madness, given that
	// this check means we can only ever return a single object.
	if !api.auth.AuthOwner(tag) {
		err = common.ErrPerm
		return
	}
	entity0, err := api.st.FindEntity(tag)
	if err != nil {
		return
	}
	entity, ok := entity0.(state.Lifer)
	if !ok {
		err = common.NotSupportedError(tag, "life cycles")
		return
	}
	result.Life = params.Life(entity.Life().String())
	if machine, ok := entity.(*state.Machine); ok {
		result.Jobs = stateJobsToAPIParamsJobs(machine.Jobs())
		result.ContainerType = machine.ContainerType()
	}
	return
}