package integration import ( "context" "fmt" "net/http" "os" "os/exec" "sync" "time" "github.com/containous/staert" "github.com/containous/traefik/cluster" "github.com/containous/traefik/integration/try" "github.com/containous/traefik/provider" "github.com/docker/libkv" "github.com/docker/libkv/store" "github.com/docker/libkv/store/consul" "github.com/go-check/check" checker "github.com/vdemeester/shakers" ) // Consul test suites (using libcompose) type ConsulSuite struct { BaseSuite kv store.Store } func (s *ConsulSuite) setupConsul(c *check.C) { s.createComposeProject(c, "consul") s.composeProject.Start(c) consul.Register() kv, err := libkv.NewStore( store.CONSUL, []string{s.composeProject.Container(c, "consul").NetworkSettings.IPAddress + ":8500"}, &store.Config{ ConnectionTimeout: 10 * time.Second, }, ) if err != nil { c.Fatal("Cannot create store consul") } s.kv = kv // wait for consul err = try.Do(60*time.Second, try.KVExists(kv, "test")) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) setupConsulTLS(c *check.C) { s.createComposeProject(c, "consul_tls") s.composeProject.Start(c) consul.Register() clientTLS := &provider.ClientTLS{ CA: "resources/tls/ca.cert", Cert: "resources/tls/consul.cert", Key: "resources/tls/consul.key", InsecureSkipVerify: true, } TLSConfig, err := clientTLS.CreateTLSConfig() c.Assert(err, checker.IsNil) kv, err := libkv.NewStore( store.CONSUL, []string{s.composeProject.Container(c, "consul").NetworkSettings.IPAddress + ":8585"}, &store.Config{ ConnectionTimeout: 10 * time.Second, TLS: TLSConfig, }, ) if err != nil { c.Fatal("Cannot create store consul") } s.kv = kv // wait for consul err = try.Do(60*time.Second, try.KVExists(kv, "test")) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) TearDownTest(c *check.C) { // shutdown and delete compose project if s.composeProject != nil { s.composeProject.Stop(c) } } func (s *ConsulSuite) TearDownSuite(c *check.C) {} func (s *ConsulSuite) TestSimpleConfiguration(c *check.C) { s.setupConsul(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress file := s.adaptFile(c, "fixtures/consul/simple.toml", struct{ ConsulHost string }{consulHost}) defer os.Remove(file) cmd := exec.Command(traefikBinary, "--configFile="+file) err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // Expected a 404 as we did not configure anything err = try.GetRequest("http://127.0.0.1:8000/", 1*time.Second, try.StatusCodeIs(http.StatusNotFound)) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) TestNominalConfiguration(c *check.C) { s.setupConsul(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress file := s.adaptFile(c, "fixtures/consul/simple.toml", struct{ ConsulHost string }{consulHost}) defer os.Remove(file) cmd := exec.Command(traefikBinary, "--configFile="+file) err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() whoami1IP := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress whoami2IP := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress whoami3IP := s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress whoami4IP := s.composeProject.Container(c, "whoami4").NetworkSettings.IPAddress backend1 := map[string]string{ "traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5", "traefik/backends/backend1/servers/server1/url": "http://" + whoami1IP + ":80", "traefik/backends/backend1/servers/server1/weight": "10", "traefik/backends/backend1/servers/server2/url": "http://" + whoami2IP + ":80", "traefik/backends/backend1/servers/server2/weight": "1", } backend2 := map[string]string{ "traefik/backends/backend2/loadbalancer/method": "drr", "traefik/backends/backend2/servers/server1/url": "http://" + whoami3IP + ":80", "traefik/backends/backend2/servers/server1/weight": "1", "traefik/backends/backend2/servers/server2/url": "http://" + whoami4IP + ":80", "traefik/backends/backend2/servers/server2/weight": "2", } frontend1 := map[string]string{ "traefik/frontends/frontend1/backend": "backend2", "traefik/frontends/frontend1/entrypoints": "http", "traefik/frontends/frontend1/priority": "1", "traefik/frontends/frontend1/routes/test_1/rule": "Host:test.localhost", } frontend2 := map[string]string{ "traefik/frontends/frontend2/backend": "backend1", "traefik/frontends/frontend2/entrypoints": "http", "traefik/frontends/frontend2/priority": "10", "traefik/frontends/frontend2/routes/test_2/rule": "Path:/test", } for key, value := range backend1 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range backend2 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range frontend1 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range frontend2 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } // wait for consul err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/frontends/frontend2/routes/test_2/rule")) c.Assert(err, checker.IsNil) // wait for traefik err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second, try.BodyContains("Path:/test")) c.Assert(err, checker.IsNil) req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil) c.Assert(err, checker.IsNil) req.Host = "test.localhost" err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(200), try.BodyContainsOr(whoami3IP, whoami4IP)) c.Assert(err, checker.IsNil) req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/test", nil) c.Assert(err, checker.IsNil) err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(200), try.BodyContainsOr(whoami1IP, whoami2IP)) c.Assert(err, checker.IsNil) req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/test2", nil) try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound)) c.Assert(err, checker.IsNil) req, err = http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil) req.Host = "test2.localhost" try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusNotFound)) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) TestGlobalConfiguration(c *check.C) { s.setupConsul(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress err := s.kv.Put("traefik/entrypoints/http/address", []byte(":8001"), nil) c.Assert(err, checker.IsNil) // wait for consul err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/entrypoints/http/address")) c.Assert(err, checker.IsNil) // start traefik cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml", "--consul", "--consul.endpoint="+consulHost+":8500") err = cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() whoami1IP := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress whoami2IP := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress whoami3IP := s.composeProject.Container(c, "whoami3").NetworkSettings.IPAddress whoami4IP := s.composeProject.Container(c, "whoami4").NetworkSettings.IPAddress backend1 := map[string]string{ "traefik/backends/backend1/circuitbreaker/expression": "NetworkErrorRatio() > 0.5", "traefik/backends/backend1/servers/server1/url": "http://" + whoami1IP + ":80", "traefik/backends/backend1/servers/server1/weight": "10", "traefik/backends/backend1/servers/server2/url": "http://" + whoami2IP + ":80", "traefik/backends/backend1/servers/server2/weight": "1", } backend2 := map[string]string{ "traefik/backends/backend2/loadbalancer/method": "drr", "traefik/backends/backend2/servers/server1/url": "http://" + whoami3IP + ":80", "traefik/backends/backend2/servers/server1/weight": "1", "traefik/backends/backend2/servers/server2/url": "http://" + whoami4IP + ":80", "traefik/backends/backend2/servers/server2/weight": "2", } frontend1 := map[string]string{ "traefik/frontends/frontend1/backend": "backend2", "traefik/frontends/frontend1/entrypoints": "http", "traefik/frontends/frontend1/priority": "1", "traefik/frontends/frontend1/routes/test_1/rule": "Host:test.localhost", } frontend2 := map[string]string{ "traefik/frontends/frontend2/backend": "backend1", "traefik/frontends/frontend2/entrypoints": "http", "traefik/frontends/frontend2/priority": "10", "traefik/frontends/frontend2/routes/test_2/rule": "Path:/test", } for key, value := range backend1 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range backend2 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range frontend1 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } for key, value := range frontend2 { err := s.kv.Put(key, []byte(value), nil) c.Assert(err, checker.IsNil) } // wait for consul err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/frontends/frontend2/routes/test_2/rule")) c.Assert(err, checker.IsNil) // wait for traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, try.BodyContains("Path:/test")) c.Assert(err, checker.IsNil) //check req, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8001/", nil) c.Assert(err, checker.IsNil) req.Host = "test.localhost" err = try.Request(req, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK)) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) skipTestGlobalConfigurationWithClientTLS(c *check.C) { c.Skip("wait for relative path issue in the composefile") s.setupConsulTLS(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress err := s.kv.Put("traefik/web/address", []byte(":8081"), nil) c.Assert(err, checker.IsNil) // wait for consul err = try.Do(60*time.Second, try.KVExists(s.kv, "traefik/web/address")) c.Assert(err, checker.IsNil) // start traefik cmd := exec.Command(traefikBinary, "--configFile=fixtures/simple_web.toml", "--consul", "--consul.endpoint="+consulHost+":8585", "--consul.tls.ca=resources/tls/ca.cert", "--consul.tls.cert=resources/tls/consul.cert", "--consul.tls.key=resources/tls/consul.key", "--consul.tls.insecureskipverify") err = cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for traefik err = try.GetRequest("http://127.0.0.1:8081/api/providers", 60*time.Second) c.Assert(err, checker.IsNil) } func (s *ConsulSuite) TestCommandStoreConfig(c *check.C) { s.setupConsul(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress cmd := exec.Command(traefikBinary, "storeconfig", "--configFile=fixtures/simple_web.toml", "--consul.endpoint="+consulHost+":8500") err := cmd.Start() c.Assert(err, checker.IsNil) // wait for traefik finish without error cmd.Wait() //CHECK checkmap := map[string]string{ "/traefik/loglevel": "DEBUG", "/traefik/defaultentrypoints/0": "http", "/traefik/entrypoints/http/address": ":8000", "/traefik/web/address": ":8080", "/traefik/consul/endpoint": consulHost + ":8500", } for key, value := range checkmap { var p *store.KVPair err = try.Do(60*time.Second, func() error { p, err = s.kv.Get(key) return err }) c.Assert(err, checker.IsNil) c.Assert(string(p.Value), checker.Equals, value) } } type TestStruct struct { String string Int int } func (s *ConsulSuite) TestDatastore(c *check.C) { s.setupConsul(c) consulHost := s.composeProject.Container(c, "consul").NetworkSettings.IPAddress kvSource, err := staert.NewKvSource(store.CONSUL, []string{consulHost + ":8500"}, &store.Config{ ConnectionTimeout: 10 * time.Second, }, "traefik") c.Assert(err, checker.IsNil) ctx := context.Background() datastore1, err := cluster.NewDataStore(ctx, *kvSource, &TestStruct{}, nil) c.Assert(err, checker.IsNil) datastore2, err := cluster.NewDataStore(ctx, *kvSource, &TestStruct{}, nil) c.Assert(err, checker.IsNil) setter1, _, err := datastore1.Begin() c.Assert(err, checker.IsNil) err = setter1.Commit(&TestStruct{ String: "foo", Int: 1, }) c.Assert(err, checker.IsNil) err = try.Do(3*time.Second, datastoreContains(datastore1, "foo")) c.Assert(err, checker.IsNil) err = try.Do(3*time.Second, datastoreContains(datastore2, "foo")) c.Assert(err, checker.IsNil) setter2, _, err := datastore2.Begin() c.Assert(err, checker.IsNil) err = setter2.Commit(&TestStruct{ String: "bar", Int: 2, }) c.Assert(err, checker.IsNil) err = try.Do(3*time.Second, datastoreContains(datastore1, "bar")) c.Assert(err, checker.IsNil) err = try.Do(3*time.Second, datastoreContains(datastore2, "bar")) c.Assert(err, checker.IsNil) wg := &sync.WaitGroup{} wg.Add(4) go func() { for i := 0; i < 100; i++ { setter1, _, err := datastore1.Begin() c.Assert(err, checker.IsNil) err = setter1.Commit(&TestStruct{ String: "datastore1", Int: i, }) c.Assert(err, checker.IsNil) } wg.Done() }() go func() { for i := 0; i < 100; i++ { setter2, _, err := datastore2.Begin() c.Assert(err, checker.IsNil) err = setter2.Commit(&TestStruct{ String: "datastore2", Int: i, }) c.Assert(err, checker.IsNil) } wg.Done() }() go func() { for i := 0; i < 100; i++ { test1 := datastore1.Get().(*TestStruct) c.Assert(test1, checker.NotNil) } wg.Done() }() go func() { for i := 0; i < 100; i++ { test2 := datastore2.Get().(*TestStruct) c.Assert(test2, checker.NotNil) } wg.Done() }() wg.Wait() } func datastoreContains(datastore *cluster.Datastore, expectedValue string) func() error { return func() error { kvStruct := datastore.Get().(*TestStruct) if kvStruct.String != expectedValue { return fmt.Errorf("Got %s, wanted %s", kvStruct.String, expectedValue) } return nil } }