traefik/provider/docker_test.go
2016-02-10 12:14:16 +01:00

792 lines
16 KiB
Go

package provider
import (
"reflect"
"strings"
"testing"
"github.com/emilevauge/traefik/types"
"github.com/fsouza/go-dockerclient"
)
func TestDockerGetFrontendName(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "Host-foo-docker-localhost",
},
{
container: docker.Container{
Name: "bar",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Header",
},
},
},
expected: "Header-bar-docker-localhost",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.value": "foo.bar",
},
},
},
expected: "Host-foo-bar",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.value": "foo.bar",
"traefik.frontend.rule": "Header",
},
},
},
expected: "Header-foo-bar",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.value": "[foo.bar]",
"traefik.frontend.rule": "Header",
},
},
},
expected: "Header-foo-bar",
},
}
for _, e := range containers {
actual := provider.getFrontendName(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetFrontendValue(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "foo.docker.localhost",
},
{
container: docker.Container{
Name: "bar",
Config: &docker.Config{},
},
expected: "bar.docker.localhost",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.value": "foo.bar",
},
},
},
expected: "foo.bar",
},
}
for _, e := range containers {
actual := provider.getFrontendValue(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetFrontendRule(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "Host",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.rule": "foo",
},
},
},
expected: "foo",
},
}
for _, e := range containers {
actual := provider.getFrontendRule(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetBackend(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "foo",
},
{
container: docker.Container{
Name: "bar",
Config: &docker.Config{},
},
expected: "bar",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
},
},
},
expected: "foobar",
},
}
for _, e := range containers {
actual := provider.getBackend(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetPort(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{},
},
expected: "",
},
{
container: docker.Container{
Name: "bar",
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: "80",
},
// FIXME handle this better..
// {
// container: docker.Container{
// Name: "bar",
// Config: &docker.Config{},
// NetworkSettings: &docker.NetworkSettings{
// Ports: map[docker.Port][]docker.PortBinding{
// "80/tcp": []docker.PortBinding{},
// "443/tcp": []docker.PortBinding{},
// },
// },
// },
// expected: "80",
// },
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.port": "8080",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: "8080",
},
}
for _, e := range containers {
actual := provider.getPort(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetWeight(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "0",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.weight": "10",
},
},
},
expected: "10",
},
}
for _, e := range containers {
actual := provider.getWeight(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetDomain(t *testing.T) {
provider := &Docker{
Domain: "docker.localhost",
}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "docker.localhost",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.domain": "foo.bar",
},
},
},
expected: "foo.bar",
},
}
for _, e := range containers {
actual := provider.getDomain(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetProtocol(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "http",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.protocol": "https",
},
},
},
expected: "https",
},
}
for _, e := range containers {
actual := provider.getProtocol(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetPassHostHeader(t *testing.T) {
provider := &Docker{}
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Name: "foo",
Config: &docker.Config{},
},
expected: "false",
},
{
container: docker.Container{
Name: "test",
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.passHostHeader": "true",
},
},
},
expected: "true",
},
}
for _, e := range containers {
actual := provider.getPassHostHeader(e.container)
if actual != e.expected {
t.Fatalf("expected %q, got %q", e.expected, actual)
}
}
}
func TestDockerGetLabel(t *testing.T) {
containers := []struct {
container docker.Container
expected string
}{
{
container: docker.Container{
Config: &docker.Config{},
},
expected: "Label not found:",
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"foo": "bar",
},
},
},
expected: "",
},
}
for _, e := range containers {
label, err := getLabel(e.container, "foo")
if e.expected != "" {
if err == nil || !strings.Contains(err.Error(), e.expected) {
t.Fatalf("expected an error with %q, got %v", e.expected, err)
}
} else {
if label != "bar" {
t.Fatalf("expected label 'bar', got %s", label)
}
}
}
}
func TestDockerGetLabels(t *testing.T) {
containers := []struct {
container docker.Container
expectedLabels map[string]string
expectedError string
}{
{
container: docker.Container{
Config: &docker.Config{},
},
expectedLabels: map[string]string{},
expectedError: "Label not found:",
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"foo": "fooz",
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
},
expectedError: "Label not found: bar",
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
},
},
expectedLabels: map[string]string{
"foo": "fooz",
"bar": "barz",
},
expectedError: "",
},
}
for _, e := range containers {
labels, err := getLabels(e.container, []string{"foo", "bar"})
if !reflect.DeepEqual(labels, e.expectedLabels) {
t.Fatalf("expect %v, got %v", e.expectedLabels, labels)
}
if e.expectedError != "" {
if err == nil || !strings.Contains(err.Error(), e.expectedError) {
t.Fatalf("expected an error with %q, got %v", e.expectedError, err)
}
}
}
}
func TestDockerTraefikFilter(t *testing.T) {
containers := []struct {
container docker.Container
expected bool
}{
{
container: docker.Container{
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{},
},
expected: false,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.enable": "false",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: false,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: false,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.value": "foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: false,
},
{
container: docker.Container{
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
"443/tcp": {},
},
},
},
expected: false,
},
{
container: docker.Container{
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: true,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.port": "80",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
"443/tcp": {},
},
},
},
expected: true,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.enable": "true",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: true,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.enable": "anything",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: true,
},
{
container: docker.Container{
Config: &docker.Config{
Labels: map[string]string{
"traefik.frontend.rule": "Host",
"traefik.frontend.value": "foo.bar",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
},
},
expected: true,
},
}
for _, e := range containers {
actual := containerFilter(e.container)
if actual != e.expected {
t.Fatalf("expected %v, got %v", e.expected, actual)
}
}
}
func TestDockerLoadDockerConfig(t *testing.T) {
cases := []struct {
containers []docker.Container
expectedFrontends map[string]*types.Frontend
expectedBackends map[string]*types.Backend
}{
{
containers: []docker.Container{},
expectedFrontends: map[string]*types.Frontend{},
expectedBackends: map[string]*types.Backend{},
},
{
containers: []docker.Container{
{
Name: "test",
Config: &docker.Config{},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
IPAddress: "127.0.0.1",
},
},
},
expectedFrontends: map[string]*types.Frontend{
`"frontend-Host-test-docker-localhost"`: {
Backend: "backend-test",
EntryPoints: []string{},
Routes: map[string]types.Route{
`"route-frontend-Host-test-docker-localhost"`: {
Rule: "Host",
Value: "test.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-test": {
Servers: map[string]types.Server{
"server-test": {
URL: "http://127.0.0.1:80",
},
},
CircuitBreaker: nil,
LoadBalancer: nil,
},
},
},
{
containers: []docker.Container{
{
Name: "test1",
Config: &docker.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
"traefik.frontend.entryPoints": "http,https",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
IPAddress: "127.0.0.1",
},
},
{
Name: "test2",
Config: &docker.Config{
Labels: map[string]string{
"traefik.backend": "foobar",
},
},
NetworkSettings: &docker.NetworkSettings{
Ports: map[docker.Port][]docker.PortBinding{
"80/tcp": {},
},
IPAddress: "127.0.0.1",
},
},
},
expectedFrontends: map[string]*types.Frontend{
`"frontend-Host-test1-docker-localhost"`: {
Backend: "backend-foobar",
EntryPoints: []string{"http", "https"},
Routes: map[string]types.Route{
`"route-frontend-Host-test1-docker-localhost"`: {
Rule: "Host",
Value: "test1.docker.localhost",
},
},
},
`"frontend-Host-test2-docker-localhost"`: {
Backend: "backend-foobar",
EntryPoints: []string{},
Routes: map[string]types.Route{
`"route-frontend-Host-test2-docker-localhost"`: {
Rule: "Host",
Value: "test2.docker.localhost",
},
},
},
},
expectedBackends: map[string]*types.Backend{
"backend-foobar": {
Servers: map[string]types.Server{
"server-test1": {
URL: "http://127.0.0.1:80",
},
"server-test2": {
URL: "http://127.0.0.1:80",
},
},
CircuitBreaker: nil,
LoadBalancer: nil,
},
},
},
}
provider := &Docker{
Domain: "docker.localhost",
}
for _, c := range cases {
actualConfig := provider.loadDockerConfig(c.containers)
// Compare backends
if !reflect.DeepEqual(actualConfig.Backends, c.expectedBackends) {
t.Fatalf("expected %#v, got %#v", c.expectedBackends, actualConfig.Backends)
}
if !reflect.DeepEqual(actualConfig.Frontends, c.expectedFrontends) {
t.Fatalf("expected %#v, got %#v", c.expectedFrontends, actualConfig.Frontends)
}
}
}