conf = config.Config{
JobName: "doppler_z1",
Index: 0,
EtcdMaxConcurrentRequests: 1,
EtcdUrls: []string{fmt.Sprintf("http://127.0.0.1:%d", etcdPort)},
Zone: "z1",
ContainerMetricTTLSeconds: 120,
DropsondeIncomingMessagesPort: 1234,
}
})
Context("Heartbeats", func() {
It("arrives safely in etcd", func() {
storeAdapter := setupAdapter(legacyETCDKey, conf)
legacyReleaseChan := announcer.AnnounceLegacy(localIp, time.Second, &conf, storeAdapter, loggertesthelper.Logger())
defer close(legacyReleaseChan)
Eventually(func() error {
_, err := storeAdapter.Get(legacyETCDKey)
return err
}, 3).ShouldNot(HaveOccurred())
})
})
Context("Store Transport", func() {
Context("With EnableTlsTransport set to true", func() {
It("stores udp and tcp transport in etcd", func() {
conf.EnableTLSTransport = true
conf.TLSListenerConfig = config.TLSListenerConfig{
Port: 4567,
func main() {
seed := time.Now().UnixNano()
rand.Seed(seed)
flag.Parse()
runtime.GOMAXPROCS(runtime.NumCPU())
localIp, err := localip.LocalIP()
if err != nil {
panic(errors.New("Unable to resolve own IP address: " + err.Error()))
}
if *cpuprofile != "" {
f, err := os.Create(*cpuprofile)
if err != nil {
panic(err)
}
pprof.StartCPUProfile(f)
defer func() {
pprof.StopCPUProfile()
f.Close()
}()
}
if *memprofile != "" {
f, err := os.Create(*memprofile)
if err != nil {
panic(err)
}
go func() {
defer f.Close()
ticker := time.NewTicker(time.Second * 1)
defer ticker.Stop()
for {
<-ticker.C
pprof.WriteHeapProfile(f)
}
}()
}
conf, err := config.ParseConfig(*configFile)
if err != nil {
panic(err)
}
log := logger.NewLogger(*logLevel, *logFilePath, "doppler", conf.Syslog)
log.Info("Startup: Setting up the doppler server")
dropsonde.Initialize(conf.MetronAddress, DOPPLER_ORIGIN)
dopplerStoreAdapter := NewStoreAdapter(conf.EtcdUrls, conf.EtcdMaxConcurrentRequests)
legacyStoreAdapter := NewStoreAdapter(conf.EtcdUrls, conf.EtcdMaxConcurrentRequests)
doppler := New(localIp, conf, log, dopplerStoreAdapter, conf.MessageDrainBufferSize, DOPPLER_ORIGIN, time.Duration(conf.SinkDialTimeoutSeconds)*time.Second)
if err != nil {
panic(err)
}
go doppler.Start()
log.Info("Startup: doppler server started.")
killChan := make(chan os.Signal)
signal.Notify(killChan, os.Kill, os.Interrupt)
dumpChan := registerGoRoutineDumpSignalChannel()
releaseNodeChan := announcer.Announce(localIp, config.HeartbeatInterval, conf, dopplerStoreAdapter, log)
legacyReleaseNodeChan := announcer.AnnounceLegacy(localIp, config.HeartbeatInterval, conf, legacyStoreAdapter, log)
for {
select {
case <-dumpChan:
logger.DumpGoRoutine()
case <-killChan:
log.Info("Shutting down")
doppler.Stop()
close(releaseNodeChan)
close(legacyReleaseNodeChan)
return
}
}
}
})
})
Context("without a valid ETCD config", func() {
It("does not send a heartbeat", func() {
conf := config.Config{
JobName: "doppler_z1",
Index: 0,
EtcdMaxConcurrentRequests: 10,
}
announcer.Announce(localIP, time.Second, &conf, adapter, loggertesthelper.Logger())
Expect(adapter.GetMaintainedNodeName()).To(BeEmpty())
})
})
Context("AnnounceLegacy", func() {
var legacyKey string
BeforeEach(func() {
legacyKey = fmt.Sprintf("/healthstatus/doppler/%s/%s/%d", conf.Zone, conf.JobName, conf.Index)
})
It("Should maintain legacy healthstatus key and value", func() {
announcer.AnnounceLegacy(localIP, time.Second, &conf, adapter, loggertesthelper.Logger())
Expect(adapter.GetMaintainedNodeName()).To(Equal(legacyKey))
Expect(string(adapter.MaintainedNodeValue)).To(Equal(localIP))
})
})
})