"time"
"code.cloudfoundry.org/gorouter/route"
"github.com/cloudfoundry/dropsonde/metricbatcher"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("MetricsReporter", func() {
var metricsReporter *metrics.MetricsReporter
var req *http.Request
var endpoint *route.Endpoint
var sender *fake.FakeMetricSender
BeforeEach(func() {
metricsReporter = metrics.NewMetricsReporter()
req, _ = http.NewRequest("GET", "https://example.com", nil)
endpoint = route.NewEndpoint("someId", "host", 2222, "privateId", "2", map[string]string{}, 30, "", models.ModificationTag{})
sender = fake.NewFakeMetricSender()
batcher := metricbatcher.New(sender, time.Millisecond)
dropsondeMetrics.Initialize(sender, batcher)
})
It("increments the bad_requests metric", func() {
metricsReporter.CaptureBadRequest(req)
Eventually(func() uint64 { return sender.GetCounter("rejected_requests") }).Should(BeEquivalentTo(1))
metricsReporter.CaptureBadRequest(req)
Eventually(func() uint64 { return sender.GetCounter("rejected_requests") }).Should(BeEquivalentTo(2))
})
func main() {
flag.StringVar(&configFile, "c", "", "Configuration File")
flag.Parse()
c := config.DefaultConfig()
logCounter := schema.NewLogCounter()
if configFile != "" {
c = config.InitConfigFromFile(configFile)
}
prefix := "gorouter.stdout"
if c.Logging.Syslog != "" {
prefix = c.Logging.Syslog
}
logger, reconfigurableSink := lagerflags.NewFromConfig(prefix,
lagerflags.LagerConfig{LogLevel: c.Logging.Level})
logger.Info("starting")
err := dropsonde.Initialize(c.Logging.MetronAddress, c.Logging.JobName)
if err != nil {
logger.Fatal("dropsonde-initialize-error", err)
}
// setup number of procs
if c.GoMaxProcs != 0 {
runtime.GOMAXPROCS(c.GoMaxProcs)
}
if c.DebugAddr != "" {
debugserver.Run(c.DebugAddr, reconfigurableSink)
}
logger.Info("setting-up-nats-connection")
startMsgChan := make(chan struct{})
natsClient := connectToNatsServer(logger.Session("nats"), c, startMsgChan)
metricsReporter := metrics.NewMetricsReporter()
registry := rregistry.NewRouteRegistry(logger.Session("registry"), c, metricsReporter)
if c.SuspendPruningIfNatsUnavailable {
registry.SuspendPruning(func() bool { return !(natsClient.Status() == nats.CONNECTED) })
}
subscriber := createSubscriber(logger, c, natsClient, registry, startMsgChan)
varz := rvarz.NewVarz(registry)
compositeReporter := metrics.NewCompositeReporter(varz, metricsReporter)
accessLogger, err := access_log.CreateRunningAccessLogger(logger.Session("access-log"), c)
if err != nil {
logger.Fatal("error-creating-access-logger", err)
}
var crypto secure.Crypto
var cryptoPrev secure.Crypto
if c.RouteServiceEnabled {
crypto = createCrypto(logger, c.RouteServiceSecret)
if c.RouteServiceSecretPrev != "" {
cryptoPrev = createCrypto(logger, c.RouteServiceSecretPrev)
}
}
proxy := buildProxy(logger.Session("proxy"), c, registry, accessLogger, compositeReporter, crypto, cryptoPrev)
healthCheck = 0
router, err := router.NewRouter(logger.Session("router"), c, proxy, natsClient, registry, varz, &healthCheck, logCounter, nil)
if err != nil {
logger.Fatal("initialize-router-error", err)
}
members := grouper.Members{
grouper.Member{Name: "subscriber", Runner: subscriber},
grouper.Member{Name: "router", Runner: router},
}
if c.RoutingApiEnabled() {
logger.Info("setting-up-routing-api")
routeFetcher := setupRouteFetcher(logger.Session("route-fetcher"), c, registry)
// check connectivity to routing api
err = routeFetcher.FetchRoutes()
if err != nil {
logger.Fatal("routing-api-connection-failed", err)
}
members = append(members, grouper.Member{Name: "router-fetcher", Runner: routeFetcher})
}
group := grouper.NewOrdered(os.Interrupt, members)
monitor := ifrit.Invoke(sigmon.New(group, syscall.SIGTERM, syscall.SIGINT, syscall.SIGUSR1))
err = <-monitor.Wait()
if err != nil {
logger.Error("gorouter.exited-with-failure", err)
os.Exit(1)
}
os.Exit(0)
}