package integration import ( "bytes" "net/http" "os" "time" "github.com/containous/traefik/integration/try" "github.com/go-check/check" checker "github.com/vdemeester/shakers" ) // HealthCheck test suites (using libcompose) type HealthCheckSuite struct{ BaseSuite } func (s *HealthCheckSuite) SetUpSuite(c *check.C) { s.createComposeProject(c, "healthcheck") s.composeProject.Start(c) } func (s *HealthCheckSuite) TestSimpleConfiguration(c *check.C) { whoami1Host := s.composeProject.Container(c, "whoami1").NetworkSettings.IPAddress whoami2Host := s.composeProject.Container(c, "whoami2").NetworkSettings.IPAddress file := s.adaptFile(c, "fixtures/healthcheck/simple.toml", struct { Server1 string Server2 string }{whoami1Host, whoami2Host}) defer os.Remove(file) cmd, _ := s.cmdTraefik(withConfigFile(file)) err := cmd.Start() c.Assert(err, checker.IsNil) defer cmd.Process.Kill() // wait for traefik err = try.GetRequest("http://127.0.0.1:8080/api/providers", 60*time.Second, try.BodyContains("Host:test.localhost")) c.Assert(err, checker.IsNil) frontendHealthReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/health", nil) c.Assert(err, checker.IsNil) frontendHealthReq.Host = "test.localhost" err = try.Request(frontendHealthReq, 500*time.Millisecond, try.StatusCodeIs(http.StatusOK)) c.Assert(err, checker.IsNil) // Fix all whoami health to 500 client := &http.Client{} whoamiHosts := []string{whoami1Host, whoami2Host} for _, whoami := range whoamiHosts { statusInternalServerErrorReq, err := http.NewRequest(http.MethodPost, "http://"+whoami+"/health", bytes.NewBuffer([]byte("500"))) c.Assert(err, checker.IsNil) _, err = client.Do(statusInternalServerErrorReq) c.Assert(err, checker.IsNil) } // Waiting for Traefik healthcheck try.Sleep(2 * time.Second) // Verify frontend health : 500 err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusInternalServerError)) c.Assert(err, checker.IsNil) // Change one whoami health to 200 statusOKReq1, err := http.NewRequest(http.MethodPost, "http://"+whoami1Host+"/health", bytes.NewBuffer([]byte("200"))) c.Assert(err, checker.IsNil) _, err = client.Do(statusOKReq1) c.Assert(err, checker.IsNil) // Verify frontend health : after err = try.Request(frontendHealthReq, 3*time.Second, try.StatusCodeIs(http.StatusOK)) c.Assert(err, checker.IsNil) frontendReq, err := http.NewRequest(http.MethodGet, "http://127.0.0.1:8000/", nil) c.Assert(err, checker.IsNil) frontendReq.Host = "test.localhost" // Check if whoami1 respond err = try.Request(frontendReq, 500*time.Millisecond, try.BodyContains(whoami1Host)) c.Assert(err, checker.IsNil) // Check if the service with bad health check (whoami2) never respond. err = try.Request(frontendReq, 2*time.Second, try.BodyContains(whoami2Host)) c.Assert(err, checker.Not(checker.IsNil)) // TODO validate : run on 80 resp, err := http.Get("http://127.0.0.1:8000/") // Expected a 404 as we did not configure anything c.Assert(err, checker.IsNil) c.Assert(resp.StatusCode, checker.Equals, http.StatusNotFound) }