var (
msgChan chan *events.Envelope
errorChan chan error
)
BeforeEach(func() {
msgChan, errorChan = helpers.ConnectToFirehose()
})
AfterEach(func() {
Expect(errorChan).To(BeEmpty())
})
Context("When a counter event is emitted to metron", func() {
It("Gets delivered to firehose", func() {
envelope := createCounterEvent()
helpers.EmitToMetron(envelope)
receivedEnvelope := helpers.FindMatchingEnvelope(msgChan)
Expect(receivedEnvelope).NotTo(BeNil())
receivedCounterEvent := receivedEnvelope.GetCounterEvent()
Expect(receivedCounterEvent).To(Equal(counterEvent))
helpers.EmitToMetron(envelope)
receivedEnvelope = helpers.FindMatchingEnvelope(msgChan)
Expect(receivedEnvelope).NotTo(BeNil())
receivedCounterEvent = receivedEnvelope.GetCounterEvent()
Expect(receivedCounterEvent.GetTotal()).To(Equal(uint64(10)))
})
"github.com/cloudfoundry/dropsonde/envelope_extensions"
"github.com/cloudfoundry/noaa/consumer"
"github.com/cloudfoundry/sonde-go/events"
"github.com/gogo/protobuf/proto"
)
const (
cfSetupTimeOut = 10 * time.Second
cfPushTimeOut = 2 * time.Minute
defaultMemoryLimit = "256MB"
)
var _ = Describe("Logs", func() {
It("gets through recent logs", func() {
env := createLogEnvelope("I AM A BANANA!", "foo")
helpers.EmitToMetron(env)
tlsConfig := &tls.Config{InsecureSkipVerify: true}
consumer := consumer.New(config.DopplerEndpoint, tlsConfig, nil)
getRecentLogs := func() []*events.LogMessage {
envelopes, err := consumer.RecentLogs("foo", "")
Expect(err).NotTo(HaveOccurred())
return envelopes
}
Eventually(getRecentLogs).Should(ContainElement(env.LogMessage))
})
It("sends log messages for a specific app through the stream endpoint", func() {
msgChan, errorChan := helpers.ConnectToStream("foo")
Describe("the firehose receives a", func() {
var (
msgChan <-chan *events.Envelope
errorChan <-chan error
)
BeforeEach(func() {
msgChan, errorChan = helpers.ConnectToFirehose()
})
AfterEach(func() {
Expect(errorChan).To(BeEmpty())
})
It("counter event emitted to metron with correct total", func() {
envelope := createCounterEvent()
helpers.EmitToMetron(envelope)
receivedEnvelope := helpers.FindMatchingEnvelope(msgChan)
Expect(receivedEnvelope).NotTo(BeNil())
Expect(receivedEnvelope.GetCounterEvent()).To(Equal(envelope.GetCounterEvent()))
helpers.EmitToMetron(envelope)
receivedEnvelope = helpers.FindMatchingEnvelope(msgChan)
Expect(receivedEnvelope).NotTo(BeNil())
Expect(receivedEnvelope.GetCounterEvent().GetTotal()).To(Equal(uint64(10)))
})
It("value metric emitted to metron", func() {
envelope := createValueMetric()
var buildValueMetric = func(name string, value float64) *events.Envelope {
valueMetric := createValueMetric()
valueMetric.ValueMetric.Name = proto.String(name)
valueMetric.ValueMetric.Value = proto.Float64(value)
return valueMetric
}
var readFromErrors = func(errs <-chan error) {
defer GinkgoRecover()
Consistently(errs).ShouldNot(Receive())
}
var emitControlMessages = func() {
for i := 0; i < 20; i++ {
time.Sleep(10 * time.Millisecond)
helpers.EmitToMetron(buildValueMetric("controlValue", 0))
}
}
var waitForControl = func(msgs <-chan *events.Envelope) {
Eventually(msgs).Should(Receive())
}
var readEnvelopes = func(t time.Duration, msgs <-chan *events.Envelope) []*events.Envelope {
var envelopes []*events.Envelope
timer := time.NewTimer(t)
for {
select {
case <-timer.C:
return envelopes
case e := <-msgs:
var (
msgChan chan *events.Envelope
errorChan chan error
)
BeforeEach(func() {
msgChan, errorChan = helpers.ConnectToFirehose()
})
AfterEach(func() {
Expect(errorChan).To(BeEmpty())
})
Context("When a Http start/stop event emited into metron", func() {
It("should expect HttpStartStop metric out of firehose", func() {
startEnvelope := createHttpStartEvent()
helpers.EmitToMetron(startEnvelope)
stopEnvelope := createHttpStopEvent()
helpers.EmitToMetron(stopEnvelope)
receivedEnvelop := helpers.FindMatchingEnvelope(msgChan)
Expect(receivedEnvelop).NotTo(BeNil())
receivedHttpStartStopEvent := receivedEnvelop.GetHttpStartStop()
// not too sure if this deep equal would mach both objects
Expect(receivedHttpStartStopEvent).To(Equal(httpStartStop))
Expect(receivedHttpStartStopEvent.GetRequestId()).To(Equal(requestId))
Expect(receivedHttpStartStopEvent.GetPeerType().String()).To(Equal(events.PeerType_Client.Enum().String()))
Expect(receivedHttpStartStopEvent.GetMethod().String()).To(Equal(events.Method_GET.Enum().String()))