. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
const timeout = 15 * time.Second
type Stopper interface {
Stop()
}
var _ = Describe("End to end benchmarks", func() {
benchmarkEndToEnd := func() {
Measure("dropsonde metrics being passed from metron to the firehose nozzle", func(b Benchmarker) {
const writeRatePerSecond = 1000
metronStreamWriter := endtoend.NewMetronStreamWriter()
firehoseReader := endtoend.NewFirehoseReader()
generator := messagegenerator.NewValueMetricGenerator()
writeStrategy := writestrategies.NewConstantWriteStrategy(generator, metronStreamWriter, writeRatePerSecond)
ex := experiment.NewExperiment(firehoseReader)
ex.AddWriteStrategy(writeStrategy)
ex.Warmup()
go stopExperimentAfterTimeout(ex)
b.Time("runtime", func() {
ex.Start()
})
var _ = Describe("End to end tests", func() {
Context("with metron and doppler in tcp mode", func() {
It("messages flow through loggregator", func() {
etcdCleanup, etcdClientURL := integration_tests.SetupEtcd()
defer etcdCleanup()
metronCleanup, metronPort, metronReady := integration_tests.SetupMetron(etcdClientURL, "udp")
defer metronCleanup()
dopplerCleanup, dopplerOutgoingPort := integration_tests.SetupDoppler(etcdClientURL, metronPort)
defer dopplerCleanup()
trafficcontrollerCleanup, tcPort := integration_tests.SetupTrafficcontroller(etcdClientURL, dopplerOutgoingPort, metronPort)
defer trafficcontrollerCleanup()
metronReady()
const writeRatePerSecond = 10
metronStreamWriter := endtoend.NewMetronStreamWriter(metronPort)
generator := messagegenerator.NewLogMessageGenerator("custom-app-id")
writeStrategy := writestrategies.NewConstantWriteStrategy(generator, metronStreamWriter, writeRatePerSecond)
firehoseReader := endtoend.NewFirehoseReader(tcPort)
ex := experiment.NewExperiment(firehoseReader)
ex.AddWriteStrategy(writeStrategy)
ex.Warmup()
go func() {
defer ex.Stop()
time.Sleep(2 * time.Second)
}()
ex.Start()
Eventually(firehoseReader.LogMessages).Should(Receive(ContainSubstring("custom-app-id")))