func (s *Simulator) emitHeartbeatFor(dea string) {
hb := models.Heartbeat{
DeaGuid: dea,
InstanceHeartbeats: make([]models.InstanceHeartbeat, len(s.DEAs[dea])),
}
for i, app := range s.DEAs[dea] {
hb.InstanceHeartbeats[i] = app.InstanceAtIndex(0).Heartbeat()
hb.InstanceHeartbeats[i].State = s.AppInstanceState[app.AppGuid]
}
s.messageBus.Publish("dea.heartbeat", hb.ToJSON())
}
var err error
store, err = storecassandra.New([]string{"127.0.0.1:9042"}, gocql.One, conf, timeprovider.NewTimeProvider())
Ω(err).ShouldNot(HaveOccured())
justOnce = true
}
})
for _, numApps := range numberOfApps {
numApps := numApps
iteration := 1
Context(fmt.Sprintf("With %d apps", numApps), func() {
Measure("Read/Write/Delete Performance", func(b Benchmarker) {
fmt.Printf("%d apps iteration %d\n", numApps, iteration)
iteration += 1
heartbeat := models.Heartbeat{
DeaGuid: models.Guid(),
InstanceHeartbeats: []models.InstanceHeartbeat{},
}
n := 0
for i := 0; i < numApps; i++ {
app := appfixture.NewAppFixture()
for j := 0; j < numberOfInstancesPerApp; j++ {
heartbeat.InstanceHeartbeats = append(heartbeat.InstanceHeartbeats, app.InstanceAtIndex(j).Heartbeat())
n += 1
}
}
b.Time("WRITE", func() {
err := store.SyncHeartbeats(heartbeat)
Ω(err).ShouldNot(HaveOccured())
}, StorePerformanceReport{
NumApps: numApps,
Ω(stopMessages()).Should(HaveLen(3))
expectedMessage := models.NewPendingStopMessage(clock.Now(), 0, conf.GracePeriod(), app.AppGuid, app.AppVersion, app.InstanceAtIndex(3).InstanceGuid, models.PendingStopMessageReasonExtra)
Ω(stopMessages()).Should(ContainElement(EqualPendingStopMessage(expectedMessage)))
expectedMessage = models.NewPendingStopMessage(clock.Now(), 0, conf.GracePeriod(), app.AppGuid, app.AppVersion, duplicateExtraInstance1.InstanceGuid, models.PendingStopMessageReasonExtra)
Ω(stopMessages()).Should(ContainElement(EqualPendingStopMessage(expectedMessage)))
expectedMessage = models.NewPendingStopMessage(clock.Now(), 0, conf.GracePeriod(), app.AppGuid, app.AppVersion, duplicateExtraInstance2.InstanceGuid, models.PendingStopMessageReasonExtra)
Ω(stopMessages()).Should(ContainElement(EqualPendingStopMessage(expectedMessage)))
})
})
})
Describe("Handling evacuating instances", func() {
var heartbeat models.Heartbeat
var evacuatingHeartbeat models.InstanceHeartbeat
BeforeEach(func() {
evacuatingHeartbeat = app.InstanceAtIndex(1).Heartbeat()
evacuatingHeartbeat.State = models.InstanceStateEvacuating
heartbeat = dea.HeartbeatWith(
app.InstanceAtIndex(0).Heartbeat(),
evacuatingHeartbeat,
)
store.SyncHeartbeats(heartbeat)
})
Context("when the app is no longer desired", func() {
It("should send an immediate stop", func() {
err := analyzer.Analyze()
Ω(err).ShouldNot(HaveOccurred())
