Esempio n. 1
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func (s *backingSettings) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	parentId, url, ok := backingEntityIdForSettingsKey(id.(string))
	if !ok {
		return nil
	}
	info0 := store.Get(parentId)
	switch info := info0.(type) {
	case nil:
		// The parent info doesn't exist. Ignore the status until it does.
		return nil
	case *params.ServiceInfo:
		// If we're seeing settings for the service with a different
		// charm URL, we ignore them - we will fetch
		// them again when the service charm changes.
		// By doing this we make sure that the settings in the
		// ServiceInfo are always consistent with the charm URL.
		if info.CharmURL != url {
			break
		}
		newInfo := *info
		cleanSettingsMap(*s)
		newInfo.Config = *s
		info0 = &newInfo
	default:
		return nil
	}
	store.Update(info0)
	return nil
}
Esempio n. 2
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func (svc *backingMachine) removed(st *State, store *multiwatcher.Store, id interface{}) error {
	store.Remove(params.EntityId{
		Kind: "machine",
		Id:   id,
	})
	return nil
}
Esempio n. 3
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func (s *backingStatus) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	parentId, ok := backingEntityIdForGlobalKey(id.(string))
	if !ok {
		return nil
	}
	info0 := store.Get(parentId)
	switch info := info0.(type) {
	case nil:
		// The parent info doesn't exist. Ignore the status until it does.
		return nil
	case *params.UnitInfo:
		newInfo := *info
		newInfo.Status = s.Status
		newInfo.StatusInfo = s.StatusInfo
		newInfo.StatusData = s.StatusData
		info0 = &newInfo
	case *params.MachineInfo:
		newInfo := *info
		newInfo.Status = s.Status
		newInfo.StatusInfo = s.StatusInfo
		newInfo.StatusData = s.StatusData
		info0 = &newInfo
	default:
		panic(fmt.Errorf("status for unexpected entity with id %q; type %T", id, info))
	}
	store.Update(info0)
	return nil
}
Esempio n. 4
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func (a *backingAnnotation) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	info := &params.AnnotationInfo{
		Tag:         a.Tag,
		Annotations: a.Annotations,
	}
	store.Update(info)
	return nil
}
Esempio n. 5
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func (svc *backingAnnotation) removed(st *State, store *multiwatcher.Store, id interface{}) error {
	tag, ok := tagForGlobalKey(id.(string))
	if !ok {
		panic(fmt.Errorf("unknown global key %q in state", id))
	}
	store.Remove(params.EntityId{
		Kind: "annotation",
		Id:   tag,
	})
	return nil
}
Esempio n. 6
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func (r *backingRelation) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	eps := make([]params.Endpoint, len(r.Endpoints))
	for i, ep := range r.Endpoints {
		eps[i] = params.Endpoint{
			ServiceName: ep.ServiceName,
			Relation:    ep.Relation,
		}
	}
	info := &params.RelationInfo{
		Key:       r.Key,
		Id:        r.Id,
		Endpoints: eps,
	}
	store.Update(info)
	return nil
}
Esempio n. 7
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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
}
Esempio n. 8
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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
}
Esempio n. 9
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func (s *backingConstraints) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	parentId, ok := backingEntityIdForGlobalKey(id.(string))
	if !ok {
		return nil
	}
	info0 := store.Get(parentId)
	switch info := info0.(type) {
	case nil:
		// The parent info doesn't exist. Ignore the status until it does.
		return nil
	case *params.UnitInfo, *params.MachineInfo:
		// We don't (yet) publish unit or machine constraints.
		return nil
	case *params.ServiceInfo:
		newInfo := *info
		newInfo.Constraints = constraintsDoc(*s).value()
		info0 = &newInfo
	default:
		panic(fmt.Errorf("status for unexpected entity with id %q; type %T", id, info))
	}
	store.Update(info0)
	return nil
}
Esempio n. 10
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func (u *backingUnit) updated(st *State, store *multiwatcher.Store, id interface{}) error {
	info := &params.UnitInfo{
		Name:      u.Name,
		Service:   u.Service,
		Series:    u.Series,
		MachineId: u.MachineId,
		Ports:     u.Ports,
	}
	if u.CharmURL != nil {
		info.CharmURL = u.CharmURL.String()
	}
	oldInfo := store.Get(info.EntityId())
	if oldInfo == nil {
		// We're adding the entry for the first time,
		// so fetch the associated unit status.
		sdoc, err := getStatus(st, unitGlobalKey(u.Name))
		if err != nil {
			return err
		}
		info.Status = sdoc.Status
		info.StatusInfo = sdoc.StatusInfo
	} else {
		// The entry already exists, so preserve the current status.
		oldInfo := oldInfo.(*params.UnitInfo)
		info.Status = oldInfo.Status
		info.StatusInfo = oldInfo.StatusInfo
	}
	publicAddress, privateAddress, err := getUnitAddresses(st, u.Name)
	if err != nil {
		return err
	}
	info.PublicAddress = publicAddress
	info.PrivateAddress = privateAddress
	store.Update(info)
	return nil
}