package integration import ( "encoding/json" "net/http" "strings" "testing" "time" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/stretchr/testify/suite" "github.com/traefik/traefik/v2/integration/try" "github.com/traefik/traefik/v2/pkg/api" "github.com/traefik/traefik/v2/pkg/testhelpers" ) // Docker tests suite. type DockerComposeSuite struct { BaseSuite } func TestDockerComposeSuite(t *testing.T) { suite.Run(t, new(DockerComposeSuite)) } func (s *DockerComposeSuite) SetupSuite() { s.BaseSuite.SetupSuite() s.createComposeProject("minimal") s.composeUp() } func (s *DockerComposeSuite) TearDownSuite() { s.BaseSuite.TearDownSuite() } func (s *DockerComposeSuite) TestComposeScale() { tempObjects := struct { DockerHost string DefaultRule string }{ DockerHost: s.getDockerHost(), DefaultRule: "Host(`{{ normalize .Name }}.docker.localhost`)", } file := s.adaptFile("fixtures/docker/minimal.toml", tempObjects) s.traefikCmd(withConfigFile(file)) req := testhelpers.MustNewRequest(http.MethodGet, "http://127.0.0.1:8000/whoami", nil) req.Host = "my.super.host" _, err := try.ResponseUntilStatusCode(req, 5*time.Second, http.StatusOK) require.NoError(s.T(), err) resp, err := http.Get("http://127.0.0.1:8080/api/rawdata") require.NoError(s.T(), err) defer resp.Body.Close() var rtconf api.RunTimeRepresentation err = json.NewDecoder(resp.Body).Decode(&rtconf) require.NoError(s.T(), err) // check that we have only three routers (the one from this test + 2 unrelated internal ones) assert.Len(s.T(), rtconf.Routers, 3) // check that we have only one service (not counting the internal ones) with n servers services := rtconf.Services assert.Len(s.T(), services, 4) for name, service := range services { if strings.HasSuffix(name, "@internal") { continue } assert.Equal(s.T(), "service-mini@docker", name) assert.Len(s.T(), service.LoadBalancer.Servers, 2) // We could break here, but we don't just to keep us honest. } }