Esempio n. 1
0
File: status.go Progetto: bac/juju
func (context *statusContext) processApplication(service *state.Application) params.ApplicationStatus {
	serviceCharm, _, err := service.Charm()
	if err != nil {
		return params.ApplicationStatus{Err: common.ServerError(err)}
	}

	var processedStatus = params.ApplicationStatus{
		Charm:   serviceCharm.URL().String(),
		Series:  service.Series(),
		Exposed: service.IsExposed(),
		Life:    processLife(service),
	}

	if latestCharm, ok := context.latestCharms[*serviceCharm.URL().WithRevision(-1)]; ok && latestCharm != nil {
		if latestCharm.Revision() > serviceCharm.URL().Revision {
			processedStatus.CanUpgradeTo = latestCharm.String()
		}
	}

	processedStatus.Relations, processedStatus.SubordinateTo, err = context.processServiceRelations(service)
	if err != nil {
		processedStatus.Err = common.ServerError(err)
		return processedStatus
	}
	units := context.units[service.Name()]
	if service.IsPrincipal() {
		processedStatus.Units = context.processUnits(units, serviceCharm.URL().String())
	}
	applicationStatus, err := service.Status()
	if err != nil {
		processedStatus.Err = common.ServerError(err)
		return processedStatus
	}
	processedStatus.Status.Status = applicationStatus.Status.String()
	processedStatus.Status.Info = applicationStatus.Message
	processedStatus.Status.Data = applicationStatus.Data
	processedStatus.Status.Since = applicationStatus.Since

	metrics := serviceCharm.Metrics()
	planRequired := metrics != nil && metrics.Plan != nil && metrics.Plan.Required
	if planRequired || len(service.MetricCredentials()) > 0 {
		processedStatus.MeterStatuses = context.processUnitMeterStatuses(units)
	}

	versions := make([]status.StatusInfo, 0, len(units))
	for _, unit := range units {
		statuses, err := unit.WorkloadVersionHistory().StatusHistory(
			status.StatusHistoryFilter{Size: 1},
		)
		if err != nil {
			processedStatus.Err = common.ServerError(err)
			return processedStatus
		}
		// Even though we fully expect there to be historical values there,
		// even the first should be the empty string, the status history
		// collection is not added to in a transactional manner, so it may be
		// not there even though we'd really like it to be. Such is mongo.
		if len(statuses) > 0 {
			versions = append(versions, statuses[0])
		}
	}
	if len(versions) > 0 {
		sort.Sort(bySinceDescending(versions))
		processedStatus.WorkloadVersion = versions[0].Message
	}

	return processedStatus
}
Esempio n. 2
0
File: status.go Progetto: bac/juju
func isSubordinate(ep *state.Endpoint, service *state.Application) bool {
	return ep.Scope == charm.ScopeContainer && !service.IsPrincipal()
}