Ejemplo n.º 1
0
func (db *ETCDDB) UpdateDesiredLRP(logger lager.Logger, processGuid string, update *models.DesiredLRPUpdate) (*models.DesiredLRP, error) {
	logger.Info("starting")
	defer logger.Info("complete")

	var schedulingInfo *models.DesiredLRPSchedulingInfo
	var err error
	var beforeDesiredLRP *models.DesiredLRP

	for i := 0; i < 2; i++ {
		var index uint64

		beforeDesiredLRP, index, err = db.rawDesiredLRPByProcessGuid(logger, processGuid)
		if err != nil {
			logger.Error("failed-to-fetch-desired-lrp", err)
			break
		}

		schedulingInfoValue := beforeDesiredLRP.DesiredLRPSchedulingInfo()
		schedulingInfo = &schedulingInfoValue
		schedulingInfo.ApplyUpdate(update)

		err = db.updateDesiredLRPSchedulingInfo(logger, schedulingInfo, index)
		if err != nil {
			logger.Error("update-scheduling-info-failed", err)
			modelErr := models.ConvertError(err)
			if modelErr != models.ErrResourceConflict {
				break
			}
			// Retry on CAS fail
			continue
		}

		break
	}

	if err != nil {
		return nil, err
	}

	return beforeDesiredLRP, nil
}
Ejemplo n.º 2
0
						_, actualLRPKey, actualLRPInstanceKey, actualLrpNetInfo, ttl := fakeEvacuationDB.EvacuateActualLRPArgsForCall(0)
						Expect(*actualLRPKey).To(Equal(actual.ActualLRPKey))
						Expect(*actualLRPInstanceKey).To(Equal(actual.ActualLRPInstanceKey))
						Expect(*actualLrpNetInfo).To(Equal(actual.ActualLRPNetInfo))
						Expect(ttl).To(BeEquivalentTo(60))
					})

					It("unclaims the lrp and requests an auction", func() {
						Expect(fakeActualLRPDB.UnclaimActualLRPCallCount()).To(Equal(1))
						_, actualLRPKey, actualLRPInstanceKey, actualLrpNetInfo, ttl := fakeEvacuationDB.EvacuateActualLRPArgsForCall(0)
						Expect(*actualLRPKey).To(Equal(actual.ActualLRPKey))
						Expect(*actualLRPInstanceKey).To(Equal(actual.ActualLRPInstanceKey))
						Expect(*actualLrpNetInfo).To(Equal(actual.ActualLRPNetInfo))
						Expect(ttl).To(BeEquivalentTo(60))

						schedulingInfo := desiredLRP.DesiredLRPSchedulingInfo()
						expectedStartRequest := auctioneer.NewLRPStartRequestFromSchedulingInfo(&schedulingInfo, int(actual.Index))

						Expect(fakeAuctioneerClient.RequestLRPAuctionsCallCount()).To(Equal(1))
						startRequests := fakeAuctioneerClient.RequestLRPAuctionsArgsForCall(0)
						Expect(startRequests).To(Equal([]*auctioneer.LRPStartRequest{&expectedStartRequest}))
					})

					It("emits events to the hub", func() {
						Eventually(actualHub.EmitCallCount).Should(Equal(2))

						for i := 0; i < actualHub.EmitCallCount(); i++ {
							switch event := actualHub.EmitArgsForCall(i).(type) {
							case *models.ActualLRPCreatedEvent:
								Expect(event.ActualLrpGroup).To(Equal(&models.ActualLRPGroup{Evacuating: afterActual}))
							case *models.ActualLRPChangedEvent: