func (r *RouteFetcher) deleteEndpoints(validRoutes []models.Route) {
var diff []models.Route
for _, curRoute := range r.endpoints {
routeFound := false
for _, validRoute := range validRoutes {
if routeEquals(curRoute, validRoute) {
routeFound = true
break
}
}
if !routeFound {
diff = append(diff, curRoute)
}
}
for _, aRoute := range diff {
r.RouteRegistry.Unregister(
route.Uri(aRoute.Route),
route.NewEndpoint(
aRoute.LogGuid,
aRoute.IP,
uint16(aRoute.Port),
aRoute.LogGuid,
"",
nil,
aRoute.GetTTL(),
aRoute.RouteServiceUrl,
aRoute.ModificationTag,
))
}
}
func registerAddr(reg *registry.RouteRegistry, path string, routeServiceUrl string, addr net.Addr, instanceId, instanceIndex, appId string) {
host, portStr, err := net.SplitHostPort(addr.String())
Expect(err).NotTo(HaveOccurred())
port, err := strconv.Atoi(portStr)
Expect(err).NotTo(HaveOccurred())
reg.Register(route.Uri(path), route.NewEndpoint(appId, host, uint16(port), instanceId, instanceIndex, nil, -1, routeServiceUrl, models.ModificationTag{}))
}
func (r *Trie) toMap(segment string, m map[route.Uri]*route.Pool) map[route.Uri]*route.Pool {
if r.Pool != nil {
m[route.Uri(segment)] = r.Pool
}
for _, child := range r.ChildNodes {
var newseg string
if len(segment) == 0 {
newseg = segment + child.Segment
} else {
newseg = segment + "/" + child.Segment
}
child.toMap(newseg, m)
}
return m
}
func (p *proxy) lookup(request *http.Request) *route.Pool {
requestPath := request.URL.EscapedPath()
uri := route.Uri(hostWithoutPort(request) + requestPath)
appInstanceHeader := request.Header.Get(router_http.CfAppInstance)
if appInstanceHeader != "" {
appId, appIndex, err := router_http.ValidateCfAppInstance(appInstanceHeader)
if err != nil {
p.logger.Error("invalid-app-instance-header", err)
return nil
} else {
return p.registry.LookupWithInstance(uri, appId, appIndex)
}
}
return p.registry.Lookup(uri)
}
func (r *RouteFetcher) HandleEvent(e routing_api.Event) {
eventRoute := e.Route
uri := route.Uri(eventRoute.Route)
endpoint := route.NewEndpoint(
eventRoute.LogGuid,
eventRoute.IP,
uint16(eventRoute.Port),
eventRoute.LogGuid,
"",
nil,
eventRoute.GetTTL(),
eventRoute.RouteServiceUrl,
eventRoute.ModificationTag)
switch e.Action {
case "Delete":
r.RouteRegistry.Unregister(uri, endpoint)
case "Upsert":
r.RouteRegistry.Register(uri, endpoint)
}
}
func (r *RouteFetcher) refreshEndpoints(validRoutes []models.Route) {
r.deleteEndpoints(validRoutes)
r.endpoints = validRoutes
for _, aRoute := range r.endpoints {
r.RouteRegistry.Register(
route.Uri(aRoute.Route),
route.NewEndpoint(
aRoute.LogGuid,
aRoute.IP,
uint16(aRoute.Port),
aRoute.LogGuid,
"",
nil,
aRoute.GetTTL(),
aRoute.RouteServiceUrl,
aRoute.ModificationTag,
))
}
}
var _ = Describe("AccessLogRecord", func() {
Measure("Register", func(b Benchmarker) {
logger := lagertest.NewTestLogger("test")
c := config.DefaultConfig()
r := registry.NewRouteRegistry(logger, c, new(fakes.FakeRouteRegistryReporter))
accesslog, err := access_log.CreateRunningAccessLogger(logger, c)
Expect(err).ToNot(HaveOccurred())
proxy.NewProxy(proxy.ProxyArgs{
EndpointTimeout: c.EndpointTimeout,
Ip: c.Ip,
TraceKey: c.TraceKey,
Registry: r,
Reporter: varz.NewVarz(r),
AccessLogger: accesslog,
})
b.Time("RegisterTime", func() {
for i := 0; i < 1000; i++ {
str := strconv.Itoa(i)
r.Register(
route.Uri("bench.vcap.me."+str),
route.NewEndpoint("", "localhost", uint16(i), "", "", nil, -1, "", models.ModificationTag{}),
)
}
})
}, 10)
})
err = natsClient.Publish("router.register", data)
Expect(err).ToNot(HaveOccurred())
Consistently(registry.RegisterCallCount).Should(BeZero())
})
})
})
Context("when a route is unregistered through NATS", func() {
BeforeEach(func() {
process = ifrit.Invoke(sub)
Eventually(process.Ready()).Should(BeClosed())
})
It("does not race against registrations", func() {
racingURI := route.Uri("test3.example.com")
racingMsg := mbus.RegistryMessage{
Host: "host",
App: "app",
RouteServiceURL: "https://url.example.com",
PrivateInstanceID: "id",
PrivateInstanceIndex: "index",
Port: 1111,
StaleThresholdInSeconds: 120,
Uris: []route.Uri{racingURI},
Tags: map[string]string{"key": "value"},
}
racingData, err := json.Marshal(racingMsg)
Expect(err).NotTo(HaveOccurred())
*response[1].TTL = 1
*response[2].TTL = 1
})
It("updates the route registry", func() {
client.RoutesReturns(response, nil)
err := fetcher.FetchRoutes()
Expect(err).ToNot(HaveOccurred())
Expect(registry.RegisterCallCount()).To(Equal(3))
for i := 0; i < 3; i++ {
expectedRoute := response[i]
uri, endpoint := registry.RegisterArgsForCall(i)
Expect(uri).To(Equal(route.Uri(expectedRoute.Route)))
Expect(endpoint).To(Equal(
route.NewEndpoint(expectedRoute.LogGuid,
expectedRoute.IP, uint16(expectedRoute.Port),
expectedRoute.LogGuid,
"",
nil,
*expectedRoute.TTL,
expectedRoute.RouteServiceUrl,
expectedRoute.ModificationTag,
)))
}
})
It("uses cache when fetching token from UAA", func() {
client.RoutesReturns(response, nil)
Ip: conf.Ip,
TraceKey: conf.TraceKey,
Registry: r,
Reporter: test_helpers.NullVarz{},
Logger: logger,
AccessLogger: fakeAccessLogger,
SecureCookies: conf.SecureCookies,
TLSConfig: tlsConfig,
RouteServiceEnabled: conf.RouteServiceEnabled,
RouteServiceTimeout: conf.RouteServiceTimeout,
Crypto: crypto,
CryptoPrev: cryptoPrev,
HealthCheckUserAgent: "HTTP-Monitor/1.1",
})
r.Register(route.Uri("some-app"), &route.Endpoint{})
})
Context("when backend fails to respond", func() {
It("logs the error and associated endpoint", func() {
body := []byte("some body")
req := test_util.NewRequest("GET", "some-app", "/", bytes.NewReader(body))
resp := httptest.NewRecorder()
proxyObj.ServeHTTP(resp, req)
Eventually(logger).Should(Say("error"))
Eventually(logger).Should(Say("route-endpoint"))
})
})
package route_test
import (
"code.cloudfoundry.org/gorouter/route"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("URIs", func() {
Context("RouteKey", func() {
var key route.Uri
It("creates a route key based on uri", func() {
key = route.Uri("dora.app.com").RouteKey()
Expect(key.String()).To(Equal("dora.app.com"))
key = route.Uri("dora.app.com/").RouteKey()
Expect(key.String()).To(Equal("dora.app.com"))
key = route.Uri("dora.app.com/v1").RouteKey()
Expect(key.String()).To(Equal("dora.app.com/v1"))
})
Context("has a context path", func() {
It("creates route key with context path", func() {
key = route.Uri("dora.app.com/v1").RouteKey()
Expect(key.String()).To(Equal("dora.app.com/v1"))
Expect(logger).ToNot(gbytes.Say(`prune.*"log_level":0.*foo.com/bar`))
})
})
Context("when suspend pruning is triggered (i.e. nats offline)", func() {
var totalRoutes int
BeforeEach(func() {
totalRoutes = 1000
Expect(r.NumUris()).To(Equal(0))
Expect(r.NumEndpoints()).To(Equal(0))
// add endpoints
for i := 0; i < totalRoutes; i++ {
e := route.NewEndpoint("12345", "192.168.1.1", uint16(1024+i), "id1", "", nil, -1, "", modTag)
r.Register(route.Uri(fmt.Sprintf("foo-%d", i)), e)
}
r.StartPruningCycle()
r.SuspendPruning(func() bool { return true })
time.Sleep(configObj.PruneStaleDropletsInterval + configObj.DropletStaleThreshold)
})
It("does not remove any routes", func() {
Expect(r.NumUris()).To(Equal(totalRoutes))
Expect(r.NumEndpoints()).To(Equal(totalRoutes))
interval := configObj.PruneStaleDropletsInterval + 50*time.Millisecond
Eventually(logger, interval).Should(gbytes.Say("prune-suspended"))
Expect(r.NumUris()).To(Equal(totalRoutes))
})
for _, e := range endpoints {
pool.Remove(e)
}
}
It("responds with a 502 BadGateway", func() {
ln := registerHandler(r, "nil-endpoint", func(conn *test_util.HttpConn) {
conn.CheckLine("GET / HTTP/1.1")
resp := test_util.NewResponse(http.StatusOK)
conn.WriteResponse(resp)
conn.Close()
})
defer ln.Close()
removeAllEndpoints(r.Lookup(route.Uri("nil-endpoint")))
conn := dialProxy(proxyServer)
req := test_util.NewRequest("GET", "nil-endpoint", "/", nil)
conn.WriteRequest(req)
b := make([]byte, 0, 0)
buf := bytes.NewBuffer(b)
log.SetOutput(buf)
res, _ := conn.ReadResponse()
log.SetOutput(os.Stderr)
Expect(buf).NotTo(ContainSubstring("multiple response.WriteHeader calls"))
Expect(res.StatusCode).To(Equal(http.StatusBadGateway))
})
It("does not capture routing response", func() {